Free web tools for speed, SEO, security & AEO
Focused checkers for one job each — from performance and SEO to security and AI-ready content. For a complete report, use the full website checker →.
Category
Performance
Free Page Speed Checker
Check how fast a single web page loads. Free page speed checker with scores, top problems, measured files, and plain-English fixes. No signup.
Check Page Speed →
Free CLS Checker
Measure Cumulative Layout Shift (CLS) on a single page and learn how to fix jumping layout.
Check CLS →
Free Core Web Vitals Checker
Free Core Web Vitals checker for a single page: LCP, CLS and related loading metrics with plain-English explanations and fixes.
Check Core Web Vitals →
Free FCP Checker
Measure First Contentful Paint (FCP) for a public webpage — when the first text or image appears.
Check FCP →
Free INP Checker
Measure Interaction to Next Paint (INP) for a single page and learn what may be delaying taps and clicks.
Check INP →
Free LCP Checker
Measure LCP for a public webpage and find out what may be slowing the main content from appearing.
Check LCP →
Free TTFB Checker
Measure Time to First Byte (TTFB) for a public webpage and see whether the server responds quickly enough.
Check TTFB →
Category
SEO
Free SEO Checker
Check a webpage for common SEO issues including titles, meta descriptions, headings, canonical tags, images and indexability.
Check SEO →
Free Title Tag Checker
Free title tag checker: missing or empty titles, estimated search-result width in pixels, generic wording, keyword stuffing, brand consistency and a search-result preview with a suggested rewrite.
Check Title Tag →
Free Meta Description Checker
Free meta description checker for one page: missing or empty description, short or long text, generic wording, keyword stuffing and a search-result preview of how the snippet reads.
Check Meta Description →
Free Image Alt Text Checker
Alt text report for one page: missing alt, weak or duplicated alt, filenames used as alt, linked images and icon buttons.
Check Image Alt Text →
Free Heading Checker
Analyze a page's complete heading hierarchy: H1 clarity, skipped levels, empty and repeated headings, title alignment, and exact fixes.
Check Headings →
Free Canonical Checker
Check canonical tags, destination status and redirects, robots/indexability, sitemap membership, and internal URL consistency on one page.
Check Canonical →
Free robots.txt Checker
Check site-level robots.txt status, crawler groups, Allow/Disallow rules, scanned URL access, and sitemap references with matching details.
Check robots.txt →
Free XML Sitemap Checker
Review your XML sitemap for missing URLs, invalid entries, and crawlability issues that could limit discovery.
Check Sitemap →
Free Indexability Checker
Check whether a page appears likely to be indexable by search engines based on common issues like noindex directives, canonical conflicts, and crawl blockers.
Check Indexability →
Category
Security
Free Website Security Checker
Check important security configuration settings on a public webpage: HTTPS, HSTS, headers, cookies and more.
Check Security →
Free HTTPS Checker
Check whether a public page uses HTTPS, redirects from HTTP, HSTS, mixed content and related secure-connection settings.
Check HTTPS →
Free Security Headers Checker
Check HTTPS, HSTS, CSP, frame protection, cookies and other security configuration headers on any public page.
Check Security Headers →
Category
AEO
Free AEO Checker
Review a page for AI visibility signals such as structured answers, FAQ content, schema markup, and direct-answer clarity.
Check AEO →
Free FAQ Checker
Review FAQ structure, clarity, and question coverage on a page to improve answer-engine visibility and user comprehension.
Check FAQ →
Free Schema Markup Checker
Inspect structured data on a page for missing or invalid schema types, answer-optimized markup, and AI-readable context.
Check Schema →
Free AI Content Readiness Checker
Review whether a page is ready for AI and answer-engine discovery based on clarity, structure, context, and direct-answer usability.
Check AI Readiness →
These tools identify common configuration issues on one public page. They are not a full security audit or penetration test, and they do not guarantee Google rankings. Need everything in one pass? Use the full website checker or page audit.