# OnPage.dev > OnPage.dev is a free SEO and AI-visibility scanner at onpage.dev. Scan one page or up to 10 pages of a site and get a score plus advice in English on what to fix first. ## What it does - Gives a score with an explanation in plain language for every point, in order of importance - Shows the title and description as a Google result, on desktop and mobile - Shows how a shared link looks on Facebook, LinkedIn and X - Lists all headings, keyword tables of 1 to 4 words and a word cloud - Checks whether AI crawlers such as GPTBot and ClaudeBot may read the site, and whether an llms.txt exists - Scans a single page, or up to 10 pages of a site in one scan, with a table and what changed since the previous scan - Exports the results as CSV or prints them to PDF ## How to use it - [OnPage.dev](https://onpage.dev/): enter a URL on the home page and start the scan ## Limits - Per IP address per minute: 10 page scans, 5 discoveries, 2 crawls - A crawl covers at most 10 pages ## What it does not do - It does not render JavaScript. It reads the HTML the server returns. - It reads only public pages. - It does not store page content, except a per-site change snapshot that is kept for 14 days.