Free · no sign-up · nothing stored
Free SEO tools
Quick checks for one page or domain at a time, and calculators for campaigns. For a full picture of your site, run the free site audit.
SEO checks
Check how search engines and social sites see a page.
- Redirect checkerEnter a URL and see every hop to the final page, with status codes (301, 302, 307, 308), redirect chains and loops. No sign-up.
- Robots.txt testerCheck whether Googlebot, Bingbot, GPTBot or ClaudeBot may crawl a URL, see the rule that decides it, and read the live file.
- Sitemap checkerFinds your sitemap through robots.txt, checks it loads, counts the URLs in it and in each child sitemap, and flags common problems.
- Title & meta description checkerSee a page’s title and description, their length, and a preview of how they may look in Google results.
- Open Graph checkerSee the og:title, og:description and og:image tags on any page, a preview of the shared link, and which tags are missing.
- X (Twitter) card validatorSee the twitter:card tags on any page, which Open Graph tags X falls back to, and a preview of the shared link.
- Security headers checkerSee which HTTP security headers a site sends (HSTS, Content-Security-Policy, X-Frame-Options and more) and what’s missing.
Domains & DNS
Look up who registered a domain, when, and where it points.
- Domain age checkerSee when a domain was first registered, how old it is, when it expires and its registrar, from official registry (RDAP) data.
- WHOIS lookupA domain’s registrar, registration and expiry dates, last update, status codes and nameservers.
- DNS lookupSee a domain’s A, AAAA, CNAME, MX, NS, TXT, CAA and SOA records with their TTLs, using Cloudflare’s 1.1.1.1 resolver.
Marketing calculators
Quick maths for campaigns and ad budgets.
- UTM builderAdd utm_source, utm_medium, utm_campaign and other tags to a link so Google Analytics shows which campaign brought each visitor.
- CPM calculatorWork out cost per thousand impressions, or the budget or impressions you need, from any two of cost, impressions and CPM.
- CTR calculatorWork out click-through rate from clicks and impressions, or the clicks you’d get at a given CTR. For ads, emails and search results.
- Conversion rate calculatorWork out the percentage of visitors who bought or signed up, or how many conversions to expect at a given rate.
- ROAS calculatorWork out return on ad spend from revenue and ad cost, and the break-even ROAS for your profit margin.
- ROI calculatorWork out return on investment from what you spent and what you got back, as a profit and a percentage.
Whole-site tools
Bigger checks that look at more than one page.
- Website readiness checkerA private setup checklist for SEO, analytics and launch essentials. Free with Google sign-in.
- Search Console reportTurn your Search Console export into a to-do list. Runs in your browser.
- Technical SEO auditCrawl your whole site and find what stops pages ranking.
- Google indexing checkerFind out why a page isn’t in Google.
- Competitor snapshotCompare authority, speed and SEO setup with competitors.