59 free website tools
Every check from the full report as a tool of its own, plus the ones other sites charge for. No account and nothing to sign up for. Enter your site once and every tool opens with it.
Or run the full report: speed, SEO, security, accessibility, structured data and social previews in one go.
Showing 59 of 59 tools
Most used
Lab and field speed tests, Core Web Vitals history, image and code checks, for one URL or fifty at once.
Speed & Core Web Vitals
- Website speed testMobile and desktop, lab + fieldScore, Core Web Vitals, ranked fixes
- Core Web Vitals checkerReal-user LCP, INP and CLSGood, needs work or poor per metric
- Core Web Vitals history40 weeks for any siteWeekly chart against the thresholds
- Website speed comparisonNewUp to 5 sites side by sideSide-by-side table, winner per metric
- Bulk PageSpeed InsightsNewUp to 50 URLsScore per URL, sortable, CSV export
Server & delivery
- TTFB testServer response timeFirst-byte time from 3 sources
- HTTP/2 & HTTP/3 testProtocol and compressionProtocol, compression and caching
Images & code
- Image size checkerOversized images and old formatsWeight per image, total image bytes
- Image compressorRuns on your computerWebP and AVIF, in bulkSmaller WebP or AVIF files
- Unused CSS/JS checkerNewCode you ship but don't useUnused bytes per file, time saved
On-page checks, schema, crawling and indexing, links and redirects: the technical SEO basics, each as one free check.
On-page & schema
- SEO audit40+ on-page checksProblems ranked by points lost
- Schema markup validatorJSON-LD and rich resultsErrors and rich-result eligibility
- Canonical checkerSelf, cross-domain and chainsThe canonical and what disagrees
- Hreflang checkerIncluding return linksLanguage matrix with return links
- Schema markup generatorRuns on your computerJSON-LD for 8 common typesCopy-ready JSON-LD
- Hreflang generatorRuns on your computerTags for every language versionValidated hreflang tags to copy
- JavaScript SEO auditNewWhat Google actually rendersHTML vs rendered page, field by field
Crawling & indexing
- Log file analyzerRuns on your computerGooglebot and AI bots in your logsBot hits per page, verified bots
- robots.txt testerTest URLs against your rulesOne verdict: indexable or not
- Sitemap checkerFormat and status of every URLProtocol errors, sample page status
- Bulk URL checker1,000 URLs at onceStatus, redirect, title per URL, CSV
- XML sitemap generatorUp to 100 pagesA sitemap.xml of indexable pages
- Website change monitorAlerts when a page changesAn email when the text changes
Links & redirects
- Broken link checkerUp to 150 links per pageBroken, redirecting and fine links
- Redirect checkerEvery hop, status and timeEvery hop with its status code
- 301 redirect generatorRuns on your computer.htaccess, nginx, CloudflareRules for 6 servers and platforms
- 301 redirect map validatorOld URLs to new URLsA verdict per old and new URL pair
Headers, certificates, cookies set before consent, email authentication and WCAG issues, explained in plain words.
- Security headers checkerHSTS, CSP, cookie flagsA grade and 14 header checks
- SSL checkerCertificate, chain and protocols8 HTTPS checks, each with a fix
- Accessibility checkerWCAG issues by severityWCAG issues with the elements
- DMARC checker (email & DNS)SPF, DKIM, MX, DNSSEC, MTA-STS, BIMI14 checks with the record to fix
- Tech stack & CMS detectorNewCMS, plugins, known CVEsCMS, plugins, versions, advisories
- Mobile-friendly test + CSP generatorNew5 screen sizes, CSP from real loads5 screenshots plus a CSP to copy
Whether AI assistants can read your site, quote it and name you: crawler rules, quotable passages, citations and your brand across the web.
Answers & content
- AI visibility checkerNewAccess, llms.txt, schema and indexability, then ask AIA readiness score and the fixes
- Passage quotability checkerNewRuns on your computerWhich paragraphs an AI would quote, and whyA score and reasons per paragraph
- Does AI mention my brand?NewAsk an AI assistant a question about your marketThe answer, its sources, your mention
- AI citation checkerNewIs your page cited for its own topic?Cited or not, and who is instead
- Answer-first rewriterNewA paragraph rewritten as a quotable answerAn answer of 60 words or less
Crawlers & bots
- AI crawlers checkGPTBot, ClaudeBot, llms.txtAllowed or blocked per AI crawler
- llms.txt generatorBuilt from your sitemapAn editable, valid llms.txt
- AI bot IP verifierNewIs this IP really GPTBot, ClaudeBot or Googlebot?Verified, fake or unverifiable
- robots.txt AI rules generatorNewRuns on your computerAllow or block each AI bot, with its purpose explainedrobots.txt rules to copy
- Cloudflare AI bot settingsNewRuns on your computerFind the Cloudflare settings that block AI botsThe settings to change, step by step
Brand & traffic
- AI referral tracking for GA4NewRuns on your computerA channel group and regex for AI assistant trafficGA4 regex and channel rules to copy
- Entity consistency checkerNewName, founding year, address and phone across site and WikidataField by field: match or mismatch
- Wikidata presence checkerNewIs your organisation on Wikidata, and what is it missing?Entries found, facts, what is missing
Health, plugin, hosting and WooCommerce checks that understand WordPress and name the plugin to fix.
- WordPress health checkRookie mistakes and security basicsRookie mistakes and security gaps
- WordPress theme & plugin detectorWhich plugins slow you downPlugin weight, updates and warnings
- Hacked site & SEO spam checkerWhat Google sees vs visitors3 copies compared, with evidence
- WooCommerce SEO checkerCart fragments, product schemaCart, checkout and plugin issues
- Web hosting speed testNewYour host vs its peersYour host's TTFB against its peers
“Runs on your computer” tools never upload your files or text.
Want all of them at once?
The full report runs the speed, SEO, security, accessibility, schema and social checks together.
Social & sharing
6 toolsSocial & sharing: guides and FAQ →How your pages look when shared, the tags behind the cards, campaign links and the icons people see next to your name.