# DataJelly

> DataJelly renders JavaScript pages for search engines and AI crawlers at the edge, helping modern apps get indexed, cited, and monitored without a rebuild.

DataJelly helps JavaScript-heavy websites become visible to search engines, AI answer engines, and social crawlers by serving crawler-ready HTML and clean AI-readable content at the edge.

## Pricing

DataJelly Edge plans start with a 7-day free trial. Basic is $25/month for personal projects and small sites, Indie is $45/month for independent developers and freelancers, and Startup is $100/month for growing businesses.

## Core Pages

- [DataJelly | Web Data, Monitoring and AI Enrichment Technology](https://datajelly.com/): DataJelly builds the rendering, monitoring, data-pipeline, and AI-enrichment technology behind TrackDemand.ai and KeyPages.ai. Guard is our production page-monitoring technology, and KeyPages.ai is where you buy and run it.
- [AI SEO Platform](https://datajelly.com/guides/ai-search-visibility): Make your website visible to Google, ChatGPT, Perplexity, and every modern AI search engine.
- [Contact DataJelly](https://datajelly.com/contact): Contact the DataJelly team.
- [Pricing - The Visibility Layer for Modern Apps](https://datajelly.com/pricing): Choose your visibility tier for Google, Bing, ChatGPT, and Perplexity inclusion. Plans from $25/month.
- [Free AI + Search Visibility Test](https://datajelly.com/visibility-test): Test if ChatGPT, Perplexity, Google, and Bing can read your content.

## Products

- [DataJelly Edge](https://datajelly.com/products/edge): DataJelly Edge is an edge visibility layer for JavaScript apps that serves rendered HTML to search crawlers, clean Markdown to AI agents, social metadata to preview bots, and your unchanged app to humans.
- [DataJelly Edge Deep Dive](https://datajelly.com/products/edge/deep-dive): Technical deep dive into DataJelly Edge diagrams and architecture.
- [DataJelly Guard](https://datajelly.com/products/guard): Guard is DataJelly's production monitoring technology: it renders live pages in a real browser and detects blank renders, hydration crashes, DOM drops, missing content, canonical/noindex changes, resource failures, and performance regressions after deploys. Guard is sold and run as KeyPages.ai.
- [Explore DataJelly Guard](https://datajelly.com/products/guard/explore): A guided tour of the Guard monitoring technology that powers KeyPages.ai — configure the pages that matter, watch checks run in real time, read per-page health, manage alerts, and prove your site actually works.
- [DataJelly Commerce](https://datajelly.com/products/commerce): DataJelly Commerce renders your store's revenue path in a real browser, captures proof, compares each page to a healthy baseline, and alerts when product, cart, checkout, search, or pricing pages break.
- [TrackDemand](https://datajelly.com/products/trackdemand): TrackDemand is a Reddit demand intelligence workspace powered by DataJelly. It tracks keywords, competitors, and pain phrases, scores buyer intent with AI, and turns messy Reddit threads into leads, research, and reports.
- [KeyPages.ai](https://datajelly.com/products/keypages): KeyPages.ai is the DataJelly product built on our Guard monitoring technology. Paste a URL and KeyPages works out what the page is for, turns on the protections that fit, and keeps checking as you ship — covering product pages, checkout paths, pricing, signup, and other critical URLs.

## Guides

- [AI Markdown View](https://datajelly.com/guides/ai-markdown-view): How DataJelly generates clean, token-efficient Markdown for AI crawlers.
- [The AI-Native Web: Serving Markdown for LLMs](https://datajelly.com/guides/ai-native-web): How DataJelly turns modern websites into high-signal, machine-readable knowledge surfaces for AI agents by serving Markdown instead of HTML.
- [AI SEO Testing Guide](https://datajelly.com/guides/ai-seo): Master Generative Engine Optimization and learn how AI crawlers work.
- [AI SEO Philosophy](https://datajelly.com/guides/ai-seo-philosophy): Why even successful websites fail AI SEO tests and how to adapt.
- [AI Visibility Infrastructure](https://datajelly.com/guides/ai-visibility-infrastructure): Technical whitepaper: rendering, token efficiency, and retrieval-ready content for AI search.
- [Bolt.new SEO Guide](https://datajelly.com/guides/bolt-seo): Complete SEO guide for Bolt.new apps. Fix indexing, AI visibility, and search rankings.
- [Bots: The Complete Guide](https://datajelly.com/guides/bots): Comprehensive directory of SEO bots, AI crawlers, and social media bots with detection info.
- [DataJelly Edge Is Being Sunset](https://datajelly.com/guides/datajelly-edge-sunset): DataJelly Edge is no longer offered to new customers. Guard is now our active product. Educational resources stay available, and the rendering problems Edge solved are still real.
- [Dynamic Rendering vs Prerendering](https://datajelly.com/guides/dynamic-rendering-vs-prerendering): Understand the difference and when to use each approach for JavaScript SEO.
- [Getting Started with DataJelly](https://datajelly.com/guides/getting-started): Set up DataJelly and make your JavaScript site visible to search engines and AI crawlers.
- [DataJelly Guard Test Suite: What We Monitor](https://datajelly.com/guides/guard-test-suite-details): A practical guide to the production checks DataJelly Guard runs across availability, rendering, content integrity, SEO signals, performance, and crawler safety.
- [Index Monitor: How DataJelly Tracks Google Indexing](https://datajelly.com/guides/guard-index-monitor-guide): Learn how DataJelly discovers pages, checks Google visibility, runs URL Inspection, and helps you decide which pages should be added to Guard.
- [Google Search Console + Guard Integration](https://datajelly.com/guides/guard-google-search-console-guide): Connect Google Search Console to DataJelly Guard so organic traffic, queries, impressions, and ranking changes can be mapped back to monitored page quality.
- [Static File Monitoring: Sitemaps & Robots.txt](https://datajelly.com/guides/guard-static-file-monitoring-guide): How DataJelly Guard monitors sitemap.xml, robots.txt, llms.txt, and related crawler-facing files so silent file failures do not become visibility problems.
- [Lighthouse Monitoring: Page Quality Over Time](https://datajelly.com/guides/guard-lighthouse-monitoring-guide): Understand DataJelly Lighthouse monitoring, Core Web Vitals context, score trends, and how to use Lighthouse data inside Guard without chasing noise.
- [How to Test What Google Actually Sees](https://datajelly.com/guides/how-to-test-what-google-sees): Learn how to test what Googlebot sees by comparing raw HTML and rendered DOM, validating canonical tags and noindex directives, checking visible text and internal links, and confirming Search Console URL Inspection signals for JavaScript SEO.
- [How Snapshots Work](https://datajelly.com/guides/how-snapshots-work): Technical deep dive into DataJelly snapshot technology for SEO.
- [Start Monitoring Your Pages for Free](https://datajelly.com/guides/start-for-free): Open a free DataJelly account, verify your email, and add 2 pages to monitor with no credit card required. We recommend your homepage and pricing page — try Guard's full feature set before you buy.
- [JavaScript SEO Guide](https://datajelly.com/guides/javascript-seo): Best practices for client-side rendering, React, Vue, and Angular SEO.
- [Why Google Can't See Your JavaScript Site](https://datajelly.com/guides/javascript-seo-why-google-cant-see-your-site): JavaScript SEO guide: when Googlebot fetch sees thin HTML instead of the rendered DOM, indexing can fail. Learn how crawler-visible content, canonical, noindex, and internal links affect indexing.
- [JavaScript Production Monitoring](https://datajelly.com/guides/javascript-production-monitoring): JavaScript production monitoring catches HTTP 200 blank pages, DOM drops, hydration crashes, missing CTAs, canonical/noindex changes, resource failures, performance regressions, and post-deploy page-output breaks.
- [Production Page Monitoring: Catch Silent Breaks](https://datajelly.com/guides/production-page-monitoring): Production page monitoring validates the rendered output of live pages — not just a 200 status. Catch missing content, broken CTAs, accidental noindex and canonical changes, and silent post-deploy regressions before they cost traffic or revenue.
- [Staging vs Production Parity Explained](https://datajelly.com/guides/staging-vs-production-parity): Pages that pass every check in staging still break in production because the two environments drift apart. Learn the seven dimensions of environment parity, why config drift and missing env vars cause silent failures, and how to monitor the gap.
- [Conversion Path Monitoring: Forms & Checkout](https://datajelly.com/guides/conversion-path-monitoring): A deploy can break your signup form, checkout, or login without any error or downtime. Learn how conversion paths fail silently, why 70% of carts are abandoned, and how to monitor forms, checkout, and auth flows in production.
- [Lovable SEO 101](https://datajelly.com/guides/lovable-seo): Complete, practical guide for ranking a Lovable.dev website with SSR, content structure, and local SEO.
- [How to Fix SEO for Lovable Apps](https://datajelly.com/guides/lovable-seo-guide): Practical Lovable SEO guide for making Lovable apps visible to Google and AI crawlers. Fix thin HTML, metadata, canonical tags, internal links, indexing issues, and post-deploy regressions.
- [Lovable SEO Troubleshooting](https://datajelly.com/guides/lovable-seo-troubleshooting): Diagnose and fix common SEO problems in Lovable.dev apps. Step-by-step solutions.
- [Lovable Default Stack](https://datajelly.com/guides/lovable-stack): Recommended tech stack, build methodology, and pro tips for a successful Lovable project.
- [Next.js vs Prerendering](https://datajelly.com/guides/nextjs-vs-prerendering): Should you migrate to Next.js or use a prerendering service? Compare costs, timelines, and trade-offs.
- [Prerender.io Alternatives](https://datajelly.com/guides/prerender-alternatives): Compare prerendering solutions for JavaScript SEO. Managed services, self-hosted, and framework options.
- [Reddit Demand Tracking: The Complete Guide](https://datajelly.com/guides/reddit-demand-tracking): Learn how to monitor public Reddit conversations for buying intent, pain points, and competitor signals — and turn demand tracking into real market insight.
- [Reddit Competitor Monitoring: The Complete Guide](https://datajelly.com/guides/reddit-competitor-monitoring): Learn how to monitor Reddit for competitor intelligence — why customers switch, which features they value, pricing concerns, and market gaps you can act on.
- [How to Track Competitor Mentions on Reddit](https://datajelly.com/guides/track-competitor-mentions-reddit): Learn how to track competitor mentions on Reddit, identify alternative and switching signals, understand customer complaints, and turn conversations into useful competitive intelligence.
- [How to Build a Reddit Keyword Strategy](https://datajelly.com/guides/reddit-keyword-strategy-demand-monitoring): Learn how to build a Reddit keyword strategy using customer problems, buying intent, competitors, workflows, community filters, and a practical process for reducing noise.
- [Reddit Lead Generation Without Spamming](https://datajelly.com/guides/reddit-lead-generation): Learn how to find real buying signals on Reddit, qualify high-intent conversations, separate leads from research, and engage without spamming communities.
- [Reddit Customer Research and Voice of Customer](https://datajelly.com/guides/reddit-customer-research): Learn how to turn Reddit conversations into structured customer research, voice-of-customer insights, recurring themes, competitor intelligence, and better product decisions.
- [Redirects: SEO & Edge Routing](https://datajelly.com/guides/redirects): Complete guide to HTTP redirects, types, best practices, and edge routing.
- [Rendertron Alternatives](https://datajelly.com/guides/rendertron-alternatives): Migrate from deprecated Rendertron to modern dynamic rendering solutions.
- [Replit SEO Guide](https://datajelly.com/guides/replit-seo): Complete SEO guide for Replit JavaScript apps. Fix indexing and AI visibility issues.
- [Google Search Console Guide](https://datajelly.com/guides/search-console): Find striking distance keywords and turn Search Console data into a growth workflow.
- [How Search Engines Crawl and Rank](https://datajelly.com/guides/search-engine-crawling): How Google discovers, crawls, renders, indexes, and ranks websites.
- [SEO Testing Guide](https://datajelly.com/guides/seo-testing): Tools, techniques, and best practices for continuous SEO improvement.
- [SERP Tracking Guide](https://datajelly.com/guides/serp-tracking): Monitor SERP positions, understand fluctuations, and measure SEO success.
- [Social Preview Stabilization](https://datajelly.com/guides/social-preview-stabilization): Fix broken social link previews in SPAs at the edge with no code changes required.
- [SEO Best Practices for Single Page Applications (SPAs)](https://datajelly.com/guides/spa-seo): Unlock the full potential of your JavaScript applications with proven SPA SEO strategies that improve search engine visibility, indexing, and organic traffic.
- [Server-Side Rendering Guide](https://datajelly.com/guides/ssr): SSR fundamentals from easiest to hardest, including DataJelly and full framework migration.
- [AI + Search Visibility Guide](https://datajelly.com/guides/visibility-layer): Fix missing AI visibility and search indexing for JavaScript apps with the Visibility Layer.
- [Why Pages Break After Deploy Even When Monitoring Looks Green](https://datajelly.com/guides/why-pages-break-after-deploy): Post-deploy page failures can happen even with HTTP 200 and green uptime. Learn how blank pages, DOM drops, hydration crashes, missing CTAs, canonical/noindex changes, and JavaScript production monitoring gaps slip past normal checks.

## Blog Posts

- [How to Monitor Website Forms So You Know They Still Work](https://datajelly.com/blog/how-to-monitor-website-forms-so-you-know-they-still-work): A tactical guide to monitor website forms—contact, signup, demo requests—so you can detect silent failures from JS errors to CAPTCHA and third-party issues, with practical steps and evidence capture.
- [Synthetic Monitoring for Websites: A Practical Guide to Critical User Flows](https://datajelly.com/blog/synthetic-monitoring-critical-user-flows-guide): A practical, no-fluff guide to synthetic website monitoring. Learn how automated checks simulate users, choose key flows, set meaningful assertions, capture evidence, and confirm recovery without building sprawling end-to-end tests.
- [Website Functionality Monitoring: How to Know a Page Actually Works](https://datajelly.com/blog/website-functionality-monitoring-how-to-know-a-page-actually-works): Monitor website functionality beyond load times. Practical checks, examples, and a framework to verify pages perform their intended jobs in production.
- [Real Browser Monitoring vs Uptime Monitoring: What's the Difference?](https://datajelly.com/blog/real-browser-monitoring-vs-uptime-monitoring-difference): A practical comparison of real browser monitoring and traditional uptime checks. Learn what a ping or 200 OK proves—and what it misses—plus real-world examples and guidance for when to use each.
- [Reddit for Product Research: Turning Conversations Into Roadmap Evidence](https://datajelly.com/blog/reddit-product-research-turning-conversations-into-roadmap-evidence): How product teams use Reddit product research to extract voice-of-customer evidence, group recurring demands, and turn threads into prioritized roadmap signals.
- [How to Build a Reddit Keyword Strategy for Demand Monitoring](https://datajelly.com/blog/reddit-keyword-strategy-demand-monitoring): A practical guide to choosing Reddit keywords for demand monitoring: group phrases by intent, cut noise with exclusions, use subreddit filters, and build a repeatable keyword framework.
- [How to Track Competitor Mentions on Reddit—and Learn Why Customers Switch](https://datajelly.com/blog/track-competitor-mentions-reddit-customer-switching): A practical guide to Reddit competitor monitoring: capture mentions, “alternative to” queries, cancellations, pricing complaints, and turn them into competitive intelligence.
- [Onboarding a New Client Site: Monitoring Setup Checklist](https://datajelly.com/blog/onboarding-new-client-site-monitoring-checklist): A practical onboarding guide for agencies to add monitoring fast: inventory key pages, capture a rendered baseline, define healthy states, route alerts, assign owners, and use a copy-ready checklist.
- [Reddit Buying Signals: Separate Real Intent From Noise](https://datajelly.com/blog/reddit-buying-signals-separate-real-customer-intent): Learn how to spot real Reddit buying signals, rank intent, qualify leads, and prioritize outreach with AI scoring and human review.
- [What a Good Client-Facing Site Health Report Looks Like](https://datajelly.com/blog/client-facing-site-health-report): A practical guide for agencies to turn monitoring data into clear site health reports that build trust, justify retainers, and drive action.
- [What Is Reddit Demand Tracking? Find Real Market Signals](https://datajelly.com/blog/reddit-demand-tracking-find-market-signals): Learn how Reddit demand tracking reveals buying intent, product failures, feature requests, and competitor pain. Includes tactics, examples, and a simple tracking framework.
- [Turn Client Site Monitoring Into a Retainer Line Item](https://datajelly.com/blog/turn-client-site-monitoring-into-a-retainer-line-item): Turn unpaid firefighting into recurring revenue by packaging rendered-page monitoring. Scope it, price it, sell it, and prove the value with hard evidence.
- [The Noindex Mistake That Can Quietly Kill Ecommerce Revenue](https://datajelly.com/blog/noindex-mistake-kills-ecommerce-revenue): How accidental noindex, bad canonicals, missing schema, or sitemap regressions after deploy can crush product discovery — and the checks that catch them fast.
- [The Changes You Didn't Make: Monitoring Client Sites You Don't Control](https://datajelly.com/blog/changes-you-didnt-make-monitoring-client-sites): How agencies catch silent breakage from CMS edits, plugins, tags, and third-party scripts with rendered checks, baselines, and evidence trails.
- [How Shopify Apps and Third-Party Scripts Break Revenue Pages](https://datajelly.com/blog/shopify-apps-third-party-scripts-break-revenue-pages): Third-party commerce scripts can silently break product, cart, and checkout flows. Learn the common failure modes, what to watch, how to detect them, and how to respond fast.
- [Which Client Pages Should You Actually Monitor? (Per-Site Playbook)](https://datajelly.com/blog/which-client-pages-should-you-actually-monitor): A per-site monitoring playbook for agencies: which client pages to watch, which signals matter, how to prioritize on a budget, and the onboarding checklist to set coverage fast.
- [What Ecommerce Pages to Monitor Beyond the Homepage](https://datajelly.com/blog/what-ecommerce-pages-should-you-monitor-besides-the-homepage): A tactical guide for ecommerce teams: which revenue pages to monitor, what breaks silently, and which signals matter on each page type.
- [Why "The Site Is Up" Is the Most Dangerous Statement](https://datajelly.com/blog/why-the-site-is-up-is-dangerous): A responding server does not mean customers can use the site. Practical agency scenarios, failure modes, and a checklist for rendered-page monitoring.
- [How Agencies Catch Client Site Failures Before Clients Do](https://datajelly.com/blog/how-agencies-catch-client-site-failures-before-clients-do): A practical guide for agencies and dev shops to catch silent page breakage across client sites—beyond 200 OK—with rendered checks, evidence, and alert workflows.
- [The Add-to-Cart Button Is the Real Uptime Check](https://datajelly.com/blog/add-to-cart-button-real-uptime-check): A product page can return 200 OK and still kill sales. Monitor rendered DOM, screenshots, price, images, variants, and add-to-cart state to catch silent storefront failures.
- [Outsourced Payments Don't Mean You Can Ignore Checkout](https://datajelly.com/blog/outsourced-payments-dont-ignore-checkout): Stripe, PayPal, and Shopify Payments can shrink PCI scope. They do not make your checkout page irrelevant. Scripts, headers, and iframes still affect security, uptime, and conversion.
- [Your Store Can Be Up While Checkout Is Broken](https://datajelly.com/blog/store-up-while-checkout-broken): A 200 OK does not mean customers can buy. Learn how frontend code, JS failures, third-party scripts, and redirects silently break checkout on Shopify, WooCommerce, and headless stores.
- [Why PCI DSS Now Tracks JavaScript on Payment Pages](https://datajelly.com/blog/pci-dss-javascript-payment-page): PCI DSS now targets browser-side code on checkout pages. Learn why JavaScript matters, what Requirements 6.4.3 and 11.6.1 demand, and how to respond without slowing delivery.
- [GSC Tells What Happened — Guard Tells What Broke Now](https://datajelly.com/blog/gsc-tells-what-happened-guard-tells-what-broke): Compare lagging Google Search Console signals with active production checks. Learn how to catch blank pages, noindex mistakes, and broken metadata before SEO damage spreads.
- [What to Check After Every Deploy: Production Page Checklist](https://datajelly.com/blog/what-to-check-after-every-deploy-production-page-checklist): A practical, repeatable checklist for post-deploy page checks: HTTP status, content, screenshots, SEO tags, structured data, scripts, forms, Lighthouse, and Search Console signals.
- [Files Crawlers Depend On: robots, sitemaps, llms, favicons](https://datajelly.com/blog/files-crawlers-depend-on-robots-sitemap-llms-favicons): Practical guide to monitoring robots.txt, sitemap.xml, llms.txt, favicons, and social metadata. Catch 404s, bad directives, cache bugs, and deploys that quietly break discovery.
- [Why Lighthouse Scores Aren't Enough Post-Deploy](https://datajelly.com/blog/why-lighthouse-scores-arent-enough-post-deploy): Lighthouse finds performance and accessibility failures, but a green score doesn't mean production is healthy. Learn the real failure modes it misses and what to watch after every deploy.
- [Canonical Tag Mistakes That Quietly Steal Traffic Now](https://datajelly.com/blog/canonical-tag-mistakes-steal-traffic): Canonical tags can wreck search visibility after redesigns, migrations, or CMS updates. Learn the failures, examples, tests, and production checks that catch them fast.
- [Accidental Noindex: How a Small Tag Removes SEO Traffic](https://datajelly.com/blog/accidental-noindex-small-tag-removes-seo-traffic): Learn how an accidental noindex drops pages from Google. Causes, real examples, code snippets, and a monitoring checklist to catch it fast.
- [Blank Pages in React, Next.js & Vite: Root Causes](https://datajelly.com/blog/why-blank-pages-still-happen-react-nextjs-vite): A debugging playbook for blank pages in React, Next.js, and Vite. Walk through the real root causes—JS crashes, hydration failures, broken bundles, routing bugs, bad env vars, third-party scripts—with repros, diagnostics, and fixes.
- [Homepage Isn't Enough: Which Pages to Monitor](https://datajelly.com/blog/homepage-isnt-enough-pages-to-monitor): A practical guide to monitoring business-critical pages beyond the homepage: pricing, signup, checkout, docs, account, landing, and high-traffic SEO pages.
- [200 OK But Broken: Why Uptime Monitors Miss It](https://datajelly.com/blog/200-ok-but-broken-blank-page-broken-ui): A modern JavaScript app can return 200 OK and still ship a blank page, broken UI, or dead-end flow. Here's why uptime monitors and ping checks stay green while users see a broken page, and which rendered checks catch it.
- [Deploys Break Pages Your Logging Stack Won't Catch](https://datajelly.com/blog/deploys-break-pages-logs-dont-catch): Your logging and observability stack tracks status codes, latency, and stack traces, but a deploy can ship blank pages, broken third-party scripts, or wrong canonicals while every log stays clean. Here's why rendered checks close the gap.
- [Monitor Business-Critical Pages Like Production](https://datajelly.com/blog/monitor-business-critical-pages-like-production): Not all URLs matter equally. Monitor high-value pages — home, pricing, signup, docs — with production-grade checks that catch performance regressions, broken flows, and conversion risk.
- [SEO Features Are Not Production Monitoring](https://datajelly.com/blog/seo-features-not-production-monitoring): SSR, prerendering, and structured data help discovery. They do not prove your live pages survived deploy. Here is how production checks catch the failures that quietly kill search traffic.
- [Lovable Ships SSR by Default: What It Means for DataJelly Edge](https://datajelly.com/blog/lovable-ssr-update-edge-sunset): Lovable now ships SSR, markdown for AI bots, and social sharing HTML for free across new TanStack apps and existing React/Vite apps. Here is how that changes our Edge roadmap and why we are focusing on Guard.
- [Why Lighthouse Scores Lie and Still Matter for Search](https://datajelly.com/blog/why-lighthouse-scores-lie): Lighthouse showed Performance 92, SEO 98. Meanwhile, field LCP hit 14.3s, the HTML shell was 8.42KB, and organic clicks dropped 0.37% overnight. Here's how a green score masked a rendering failure.
- [DOM Drop After Deploy: How Silent Content Loss Breaks Production](https://datajelly.com/blog/dom-drop-after-deploy): A pricing page lost 1,300 words and 1.5pp of conversion in three days. No errors, no rollback, no alerts. The DOM shrank silently and no one noticed until traffic dropped.
- [Why Your Page Lost 40% of Its Content Overnight](https://datajelly.com/blog/lost-40-percent-content-overnight): A pricing page lost 1,300 words and 1.5pp of conversion in three days - with no errors, no rollback, no alerts. The four content-loss patterns we see in production and how Guard catches them before traffic drops.
- [Canonical Tag Mistakes That Kill Your Traffic](https://datajelly.com/blog/canonical-mistakes-kill-traffic): A redesign ships. Two weeks later: indexed pages drop 162 to 31, organic traffic down 58%. Nothing broke. Every page was canonicalising to a staging domain.
- [Why Internal Links Don't Exist in Your SPA (From Google's POV)](https://datajelly.com/blog/spa-internal-links-invisible-google): A team ships a React site. Two weeks later: 80% of pages are not indexed, crawl depth stops at 2, traffic down 60%. Nothing is broken. Google just never saw the links.
- [Accidentally Adding Noindex: How Sites Disappear Overnight](https://datajelly.com/blog/accidental-noindex-disappear-overnight): Friday deploy. Sunday morning: impressions down 80%, key pages gone from index. Root cause: a global noindex tag shipped in the HTML.
- [How to Test Your Site for AI Visibility (Fast)](https://datajelly.com/blog/test-site-ai-visibility-fast): AI crawlers do not run JavaScript. If your raw HTML is empty, your AI visibility is zero. A fast workflow to test what AI crawlers actually see.
- [Why Your Site Randomly Breaks After Deploy (And No One Notices)](https://datajelly.com/blog/site-breaks-after-deploy-silent): A deploy ships, status is 200, but the form never renders because the JS bundle 404s. Modern sites degrade silently. Here is how Guard catches it.
- [Why Google Renders JavaScript Is Misleading](https://datajelly.com/blog/google-renders-javascript-misleading): Google does render JavaScript, but later, deprioritized, and often not at all. If raw HTML is empty, your page is invisible when it matters.
- [Critical JavaScript Failures: When One Script Breaks Your Site](https://datajelly.com/blog/critical-js-failures): Homepage returns 200, deploy is green, and checkout drops to zero. One failed script can take down a whole SPA while uptime monitoring stays green.
- [What AI Crawlers Actually Extract From Your Site](https://datajelly.com/blog/ai-crawlers-extract): AI crawlers do not render your app. They extract text from raw HTML. If it is not in the initial response, you do not exist to ChatGPT, Claude, or Perplexity.
- [Why Your Site Is Indexed But Gets No Traffic](https://datajelly.com/blog/indexed-but-no-traffic): Why indexed pages still do not perform, focusing on thin HTML, weak structure, and missing signals instead of keyword or backlink myths.
- [Your Site Loads - But Google Sees Nothing](https://datajelly.com/blog/site-loads-google-sees-nothing): Homepage loads fast, but traffic drops because Google receives empty HTML. This is a rendering failure that ordinary monitoring misses.
- [How to Debug SEO Issues in a React App](https://datajelly.com/blog/debug-react-seo-issues): A step-by-step debugging playbook for React SEO failures with curl commands, thresholds, and fixes that actually work.
- [Script Shell Pages: When Your App Loads But Nothing Works](https://datajelly.com/blog/script-shell-pages): A 4KB HTML response with a div and script tag can return 200 OK while users and crawlers get a broken page. Here is why script shells fail.
- [The Hidden Costs of Prerendering (That Teams Ignore)](https://datajelly.com/blog/hidden-costs-of-prerendering): Prerendering is a second system with stale content, broken invalidation, snapshot drift, and debugging overhead. Here is what breaks in production.
- [Hydration Crashes: The Silent Killer of Modern Web Apps](https://datajelly.com/blog/hydration-crashes-silent-killer): Your site returns 200 OK, but every button is dead. Hydration failures are silent, invisible to monitoring, and lethal to conversion.
- [Your HTML Is Only 4KB (And Why That's a Problem)](https://datajelly.com/blog/html-only-4kb): If your HTML is 4KB, your site is not SEO-compatible. You are shipping empty documents and hoping crawlers reconstruct them.
- [AI SEO vs Traditional SEO: What Actually Changes](https://datajelly.com/blog/ai-seo-vs-traditional-seo): Traditional SEO is index-first. AI SEO is extract-first. If content is not in initial HTML, it does not exist to AI crawlers.
- [Your Site Returns 200 OK - But Is Completely Broken](https://datajelly.com/blog/site-returns-200-but-broken): Status 200 does not mean a page works. Learn how silent production failures happen in modern JavaScript apps and how to catch them.
- [Why Google Finds Your Pages But Won't Rank Them](https://datajelly.com/blog/indexed-not-ranking): Your pages are indexed but get zero impressions. This is not a backlink problem. It is often a delivery and rendering failure.
- [Why Your React App Shows a Blank Page in Production](https://datajelly.com/blog/react-blank-page-production): Build passes and health checks are green, but the homepage returns 200 OK and renders nothing. Learn why and how to catch it.
- [How to Check What Googlebot Actually Sees](https://datajelly.com/blog/check-what-googlebot-sees): Your page renders in Chrome, but Googlebot may get empty HTML. Learn how to verify what bots actually receive.
- [Why Vite Apps Have SEO Problems](https://datajelly.com/blog/vite-seo-problems): Vite apps often ship fine and index poorly. Learn why bot HTML is thin and the three real fixes for Vite SEO.
- [Why Your Content Doesn't Show Up in ChatGPT](https://datajelly.com/blog/chatgpt-cant-see-your-content): Your page ranks in Google but ChatGPT cannot see your content. Learn why this is often a rendering failure.
- [Page Crawled But Not Indexed: The Real Reasons](https://datajelly.com/blog/crawled-not-indexed): Crawled but not indexed is often a delivery failure, not a content problem. Broken HTML, empty shells, and JavaScript rendering failures are common causes.
- [How AI Crawlers Actually Read Your Website](https://datajelly.com/blog/how-ai-crawlers-read-your-website): AI crawlers do not render JavaScript. If your HTML is empty, you are invisible to ChatGPT, Claude, and Perplexity.
- [Serving the Same HTML to Everyone Is a Bad Idea](https://datajelly.com/blog/serving-same-html-bad-idea): Teams ship one HTML response and assume it works for everyone. Learn what breaks for browsers, bots, and AI crawlers.
- [Why Script-Based Prerendering Breaks on Real Apps](https://datajelly.com/blog/script-prerendering-breaks-real-apps): Script-based prerendering fails quietly with stale content, missing personalization, and broken images. Here is what breaks in production.
- [Prerender vs SSR vs Edge Rendering](https://datajelly.com/blog/prerender-vs-ssr-vs-edge-rendering): Compare prerendering, server-side rendering, and edge rendering for JavaScript SEO with real production tradeoffs.
- [Why Your Sitemap Exists But Google Ignores Your Pages](https://datajelly.com/blog/sitemap-exists-google-ignores-pages): Your sitemap is valid and Google found your URLs, but pages still are not indexed. Learn why discovery is not indexing.
- [Lovable SEO Guide: Why Your Site Isn't Ranking](https://datajelly.com/blog/lovable-seo-not-ranking): Your Lovable site works in the browser, but Google sees almost nothing. Here is why you are not ranking and how to fix it fast.
- [React SEO Is Broken by Default - Here's How to Fix It](https://datajelly.com/blog/react-seo-broken-by-default): React apps often ship HTML that search engines cannot use. Learn what is happening and the real fixes for JavaScript SEO.
- [SPA SEO Checklist: 10 Things You Must Fix](https://datajelly.com/blog/spa-seo-checklist): Your SPA works, but that does not mean it is visible. Here are the real production issues that break SPA visibility.
- [Why Google Can't See Your SPA](https://datajelly.com/blog/why-google-cant-see-your-spa): Your app works in the browser, but Google cannot see it. Learn what happens when bots crawl JavaScript apps and the fixes that work.
- [SPA SEO: The Complete Guide for Modern JavaScript Apps](https://datajelly.com/blog/spa-seo-complete-guide): Modern JavaScript apps work great for users but break in subtle ways for search engines and AI crawlers. Here is what works in production.
- [The SEO Foundation Checklist for Lovable Sites](https://datajelly.com/blog/seo-foundation-checklist): A practical guide to sitemap.xml, robots.txt, Google Search Console, and Google Tag Manager setup for Lovable sites.
- [Why Script-Based Prerendering Struggles with Modern Web Apps](https://datajelly.com/blog/script-based-prerendering-limits): Script-based prerendering sounds simple, but modern dynamic apps expose serious limitations for SEO and AI visibility.
- [How We Built DataJelly Redirects](https://datajelly.com/blog/how-we-built-redirects): A technical deep dive into edge routing, redirect validation, SEO auditing, management tooling, and documentation.
- [March 2026 Platform Update](https://datajelly.com/blog/march-platform-update): Monthly update covering domain redirects, social preview stabilization, Google Search Console integration, DNS setup, and debugging tools.
- [Fixing Broken Social Previews in Modern SPAs](https://datajelly.com/blog/fixing-broken-social-previews-in-spas): Social platforms do not execute JavaScript for link previews. Learn how DataJelly fixes broken SPA social previews at the edge.
- [WebMCP and the Future of AI-Native Web Infrastructure](https://datajelly.com/blog/webmcp-future-ai-native-infrastructure): A technical analysis of WebMCP, the rendering gap, and why protocols need a visibility layer for AI agents.
- [Free SEO Tools We Use Every Day](https://datajelly.com/blog/free-seo-tools-we-use-every-day): A walkthrough of the diagnostic tools we use daily to find visibility problems in under 60 seconds.
- [Understanding the Bots Crawling Your Site](https://datajelly.com/blog/understanding-bots-crawling-your-site): A plain-language look at the AI, search, and social bots visiting your website every day and why they matter.
- [February 2026 Platform Update](https://datajelly.com/blog/february-platform-update): Monthly update covering Traffic Digest email, Snapshot Pages, AI Markdown responses, expanded SEO tools, and performance improvements.
- [AI Markdown Snapshots for AI Crawlers](https://datajelly.com/blog/ai-markdown-snapshots): DataJelly generates clean Markdown for AI crawlers, reducing token usage while preserving content and structure.
- [January 2026 Platform Update](https://datajelly.com/blog/january-platform-update): Quarterly update covering DNS pipeline upgrades, edge rendering, SEO and security scanning, AI SEO analysis, and dashboard enhancements.

## SEO Tools

- [Guard Page Audit](https://datajelly.com/seo-tools/guard-page-audit): Run 30 production-grade checks on any URL — render integrity, SEO signals, Core Web Vitals, dependencies, and more. Powered by DataJelly Guard.
- [Visibility Test](https://datajelly.com/seo-tools/visibility-test): See how your site appears to Google, Bing, and AI crawlers like ChatGPT or Perplexity.
- [HTTP Bot Comparison](https://datajelly.com/seo-tools/http-debug): Compare raw HTTP and JavaScript-rendered output for Googlebot, Bingbot, GPTBot, Claude-Web, PerplexityBot, Gemini, curl, and Chrome. Find crawler-visible content gaps, metadata differences, JSON-LD structured data preservation, headers, links, and AI Markdown behavior.
- [Site Crawler](https://datajelly.com/seo-tools/site-crawler): Discover URLs from sitemap.xml, internal HTML links, and crawler mapping. Build a complete URL inventory before fixing redirects, broken pages, sitemap gaps, and GSC indexing issues.
- [Redirects Audit](https://datajelly.com/seo-tools/redirects-audit): Crawl a site and audit redirects, chains, loops, broken redirect paths, www/non-www redirects, http/https redirects, trailing slash normalization, and page-level URL moves.
- [Structured Data Validator](https://datajelly.com/seo-tools/structured-data-validator): Validate JSON-LD schema markup for rich results and AI discoverability.
- [Sitemap Validator](https://datajelly.com/seo-tools/sitemap-validator): Fetch, validate, and inspect XML sitemaps. Find duplicate URLs, invalid XML, stale pages, missing metadata, oversized files, and sitemap issues before Google Search Console resubmission.
- [Robots.txt Tester](https://datajelly.com/seo-tools/robots-txt-tester): Test and validate your robots.txt configuration for search and AI crawlers.
- [SEO Page Validator](https://datajelly.com/seo-tools/page-validator): Analyze any page for SEO readiness, indexability, structured data, and social tags.
- [Social Card Preview](https://datajelly.com/seo-tools/social-card-preview): Preview how your links look when shared on Slack, Twitter, LinkedIn, and WhatsApp.
- [Page Speed Analyzer](https://datajelly.com/seo-tools/page-speed-analyzer): Measure Core Web Vitals and get performance recommendations for a page.
- [Website Screenshot Tool](https://datajelly.com/seo-tools/website-screenshot): Capture live website screenshots in mobile, tablet, desktop, compare, or full-page mode. Review visual rendering, responsive layout, and page appearance after deploy.
- [HTTP Header Checker](https://datajelly.com/seo-tools/http-header-checker): Analyze HTTP response headers, caching directives, and security headers.
- [DNS Records Viewer](https://datajelly.com/seo-tools/dns-records-viewer): Look up public DNS records for any domain, including A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, TTL, resolver, and query timing.
- [HTTP Status Checker](https://datajelly.com/seo-tools/http-status-checker): Check HTTP status codes for URLs in bulk and identify redirects or broken responses.

## Crawler Access

DataJelly allows Googlebot, Bingbot, OAI-SearchBot, GPTBot, ChatGPT-User, Claude-Web, PerplexityBot, Twitterbot, and facebookexternalhit in robots.txt.

## Contact

- Website: https://datajelly.com
- Contact: https://datajelly.com/contact