Free SEO and website tools
Check links, speed, domains, and meta tags. Build sitemaps and robots.txt files. Free to use, no sign-up needed.
Dead Link Checker
Find broken outbound links on a page or across a site, and check inbound links this app has recorded.
Open toolXML Sitemap Generator
Enter your URL and get a clean XML sitemap from a real crawl of up to 500 pages, with a reason for each page that is left out.
Open toolWebsite Speed Test
Enter your URL and get its load time, latency, page weight, a timing breakdown, and a list of what to fix.
Open toolWebsite Checker
Enter a URL and see if the site is online, when its domain and its security certificate expire, and its registrar, DNS, and Whois records.
Open toolOpen Graph Preview
Enter a URL and see what its social-share preview looks like, plus every raw Open Graph and Twitter Card tag found.
Open toolCanonical URL Checker
Enter a URL and check its canonical tag: self-referencing, scheme/host match, and whether the target is actually reachable.
Open toolRobots.txt Generator
Build a robots.txt file with custom rules per crawler, plus your sitemap URLs. Copy or download it, nothing is stored.
Open toolDomain Rank Checker
Enter a domain and get its Ahrefs Domain Rating (DR). A live check, nothing stored.
Open toolEmbed Code Tester
Paste an embed code and see a live preview, plus a report: blocked frames, insecure addresses, missing titles, and the hosts it contacts.
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