Free web analysis tools.
Check backlinks, estimate traffic, look up tech stacks, score keyword difficulty, and scan blacklists. No signup, no limits.
Backlink Checker
See referring domains, backlink counts, and dofollow ratios for any domain.
Traffic Checker
Estimate organic & paid traffic with competitor comparison.
Technology Lookup
See what CMS, frameworks, analytics, and other tools a site runs on.
Keyword Difficulty
Score up to 5 keywords at once and find the easiest ones to rank for.
Blacklist Checker
Check if a domain is listed on Spamhaus, SURBL, URIBL, Barracuda, or SpamCop.
Free SEO & Web Analysis Tools
Everything here is free. No signup, no usage caps. Type in a domain or keyword and you'll get results in a few seconds.
The backlink checker pulls referring domains and dofollow ratios. The traffic checker gives you organic and paid estimates with a competitor breakdown. Technology lookup shows you what CMS, frameworks, and analytics a site runs. Keyword difficulty scores competition for up to 5 keywords. And the blacklist checker scans the major DNS blocklists so you know if a domain has reputation problems.
Data comes from the same APIs that paid SEO tools use, updated regularly. Whether you're sizing up a competitor, planning content, or keeping tabs on your own domain, the results should give you something to work with.