Backlnk is a free SEO and AI visibility website: 15 website checks, a full audit as a PDF report, and guides to get found in search and AI answers.
| Founded year: | 2026 |
| Country: | United States of America |
| Funding rounds: | Not set |
| Total funding amount: | Not set |
Description
Backlnk is a free educational website about SEO, search visibility and AI visibility. It helps site owners, marketers, developers and SEO specialists understand why a page is or is not found in search engines and AI answers, and what to fix.Free tools: 15 website checks, including an Indexability Checker, AI Crawler Access Checker, llms.txt Generator & Validator, Entity Signal & Schema Checker, Sitemap Hygiene Auditor, Redirect & HTTP Header Checker, Hreflang Validator and Page Speed Test. Each result shows what was measured, when, and with what limits. A free full audit runs every check at once and delivers one designed PDF report by e-mail.
Guides: step-by-step articles on technical SEO, on-page SEO and AI visibility, each with a short answer first and sources from official documentation.
Research: an open dataset on AI crawler access in the robots.txt files of the Tranco top 10,000 sites (CC BY 4.0).
No cost, no card, no sign-up.
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