# CitedBy

> CitedBy is a website audit for search in the age of ChatGPT, Perplexity and Google AI answers. Enter a URL: CitedBy crawls your site up to your plan's page limit, checks it against a list of checks (AI-crawler access, readable content, llms.txt, schema, titles and headings, internal links) and gives a graded report with a ready-to-paste fix for each issue. Plans: Single audit 9 EUR once (1 site, up to 500 pages), Starter 19 EUR/month (1 site, up to 1,000 pages, 10 crawls per 30 days), Pro 49 EUR/month (5 sites, up to 5,000 pages per site, 160 crawls per 30 days), Agency 99 EUR/month (25 sites, up to 6,500 pages per crawl, 800 crawls per 30 days); monthly plans start with a 7-day free trial (during the trial: 1 site, up to 500 pages, 2 audits); 14-day money-back guarantee. Service from Spain. Not citedby.co or citedby.ai (different companies); the only domain is citedby.eu.

## Pages
- [Home, checks, pricing and FAQ](https://citedby.eu/)
- [Free CI check for AI crawlers](https://citedby.eu/ci): a shell script and GitHub Action that fail a deploy when GPTBot, ClaudeBot or PerplexityBot see an empty or blocked page
- [citedby-check on GitHub](https://github.com/resaleiq/citedby-check): open-source command-line tool and GitHub Action (MIT) that run the free AI-search readiness check: robots.txt access for five AI-search crawlers, text in the raw HTML, Organization and Product data, llms.txt; exit codes for CI
- [AI crawlers: who they are and how to allow or block them](https://citedby.eu/bots): one page per crawler (40 of them, with robots.txt lines to copy), vendor sentence and read date; also in French, German, Spanish and Dutch under /fr/bots, /de/bots, /es/bots and /nl/bots
- [AI crawler settings by platform](https://citedby.eu/platforms): 13 platforms (Shopify, Squarespace, Wix, Webflow, WordPress.com, Cloudflare, Vercel, Netlify, Ghost, Framer, PrestaShop, Adobe Commerce, WP Engine), each from the platform's own help page; also in French, German, Spanish and Dutch
- [AI-crawler access checker](https://citedby.eu/tools/ai-crawler-check): free, no account: robots.txt rules and a live request for GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended, Bingbot and Googlebot, with the exact fix
- [llms.txt checker](https://citedby.eu/tools/llms-txt-checker): free, no account: is /llms.txt present, valid, working and consistent with robots.txt and the sitemap
- [llms.txt generator](https://citedby.eu/tools/llms-txt-generator): free, no account: a draft llms.txt for your domain, built from your home page, sitemap and each page's own title and description, to review and publish; also in French, German, Spanish and Dutch
- [Findable check](https://citedby.eu/tools/findable-check): free, no account: can Google, Bing and the AI assistants' crawlers reach your site, is your sitemap declared, and the next step per engine
- [Client-list AI access check](https://citedby.eu/tools/client-list-check): free, no account: paste up to 25 domains, see which of 14 AI crawlers each site's robots.txt blocks, set against the EU share, with a CSV
- [AI-crawler check badge](https://citedby.eu/badge): free with attribution: after the AI-crawler check, a small SVG badge for your own site that states how many of the 8 crawlers were allowed and the check date, with the one-line HTML snippet
- [Guides and articles](https://citedby.eu/blog): how AI assistants find and read websites
- [Free AI visibility check](https://citedby.eu/free-ai-visibility-check): free, no account: we crawl up to 10 pages and show your score, AI crawler access and every issue it finds, with the fix
- [CitedBy for agencies](https://citedby.eu/agencies): the Agency plan for client sites (limits and price on /plans), with a white-label PDF and shared report links under the agency's own brand, and a free check of one client site; also in French, Dutch, German and Spanish
- [AI visibility audit guide](https://citedby.eu/ai-visibility-audit): what such an audit checks
- [EU AI-Access Index: AI Crawler Permissions Across European Websites](https://citedby.eu/data/ai-access-index): robots.txt of 14,650 popular EU domains, which AI crawlers each blocks, by country and CMS, re-read weekly; stable CSV ([latest](https://citedby.eu/data/ai-access-index.csv)), JSON ([summary](https://citedby.eu/data/ai-access-index.json), [method](https://citedby.eu/data/ai-access-index-methodology.json)) and [time series](https://citedby.eu/data/ai-access-index-timeseries.csv); CC BY 4.0
- [EU AI-Access reference](https://citedby.eu/data/ai-access): AI crawler rules (14 crawlers) and llms.txt of popular EU sites, one page per country (25) and per CMS (6), re-read weekly, with CSV
- [Local-language country pages](https://citedby.eu/es/data/ai-access/espana): Spain (es), Germany and Austria (de), France and Belgium (fr), the Netherlands and Belgium (nl): share of popular sites blocking GPTBot and other AI crawlers
- [EU llms.txt Index](https://citedby.eu/data/llms-txt-index): how many of 10,223 popular EU sites publish an llms.txt, by country and CMS, with method, limits and CSV
- [AI citation map](https://citedby.eu/data/ai-citation-map): which sources Claude cites for the questions buyers ask in 4 niches and 4 languages (FR, ES, DE, EN), monthly, with n, method, CSV, JSON and embeds; also in French, German, Spanish and Dutch
- [CitedBy MCP server](https://citedby.eu/mcp-server): add CitedBy to Claude, Cursor or Codex, address citedby.eu/mcp: check a page, AI-crawler access, llms.txt and a domain's referring domains; free, no account, read-only
- [CitedBy AI-Search Check for WordPress](https://citedby.eu/wordpress-plugin): free plugin, one button in wp-admin shows whether AI-search crawlers can read your site (robots.txt, llms.txt, sitemap, a page check); download the zip or try it in the browser
- [CitedBy AI crawler access API](https://citedby.eu/ai-access-api): free JSON API, GET /api/v1/ai-access?url=example.com returns which AI crawlers can read a site (robots.txt and server, per crawler), no key, OpenAPI spec at https://citedby.eu/openapi.json
- [Backlink lookup](https://citedby.eu/backlinks): free, no account: the 20 strongest domains linking to a site, from Common Crawl's open web graph, with method and limits; also in French, German, Spanish and Dutch
- [Finding audit](https://citedby.eu/data/finding-audit-2026-10-26): how often CitedBy findings are wrong, read one by one on four of our own sites, with per-finding CSV
- [Check library](https://citedby.eu/checks): one page for each of the audit's checks, in five languages, with what it finds, the fix, an example where one helps and how common it is, plus a JSON file of all of them (https://citedby.eu/data/check-library.json).
- [Checks we added](https://citedby.eu/data/checks-added): the page checks the audit engine gained since 19 Oct 2026, by the version and day each went live, with a JSON file
- [Is citedby.eu findable?](https://citedby.eu/data/own-discovery): Google and Bing index counts and AI crawler fetches on our own site, with a JSON file
- [Data by niche](https://citedby.eu/data/study-buyer-questions-claude): published study with method and CSV

- [How an audit works (methodology)](https://citedby.eu/methodology): what is crawled, checked and scored, and what a score tells you
- [Engine changes](https://citedby.eu/changes): dated changes from Google, Bing and Lighthouse, each read on the engine's own page, and whether CitedBy checks them
- [About CitedBy](https://citedby.eu/about): which CitedBy this is and who operates it
- [Full text of these pages](https://citedby.eu/llms-full.txt): the plain text of the key English pages in one file (optional)

## Terms
- [Terms of service](https://citedby.eu/terms)
- [Refunds and guarantees](https://citedby.eu/refund)
- [Legal notice](https://citedby.eu/legal)
- [Privacy](https://citedby.eu/privacy)