# 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 | Prerendering for JavaScript SEO](https://datajelly.com/): DataJelly renders JavaScript pages for search engines and AI crawlers at the edge, helping modern apps get indexed, cited, and monitored without a rebuild.
- [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): Monitor production pages for blank renders, hydration crashes, DOM drops, missing content, canonical/noindex changes, resource failures, and performance regressions after deploys.

## 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: Why Serving Markdown Is the Missing Layer for LLM Visibility](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.
- [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.
- [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.
- [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.
- [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.
- [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

- [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

- [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, 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.
- [Bot Test Tool](https://datajelly.com/seo-tools/bot-test): Test what search bots and AI crawlers can retrieve from a page. Compare raw HTTP and SEO bot output, including status, words, links, title, meta description, headers, HTML sample, and SSR/prerender signals.
- [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.
- [Snapshot Asset Test](https://datajelly.com/seo-tools/snapshot-asset-test): Test whether images, stylesheets, videos, and relative asset paths inside a DataJelly Snapshot resolve correctly using the base href tag and return valid HTTP status codes.
- [Site Audit](https://datajelly.com/seo-tools/site-audit): Run a comprehensive website audit covering SEO, security, and AI/GEO optimization.
- [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.
- [SSL Certificate Checker](https://datajelly.com/seo-tools/ssl-checker): Verify SSL/TLS certificate validity, expiry, and security configuration.
- [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