Free Website Tools

Check any website the way Google and your visitors see it. Run an SEO audit, test page speed, find broken links, see who hosts a site or scan its cookies. Every result tells you what to fix, in plain English.

22 free toolsNo sign-upNo watermarks

Which tool do I need?

All Website Tools

Page Speed Checker

Test load speed and Core Web Vitals on mobile and desktop, with fixes ranked by impact.

SEO Checker & Page Audit

35+ SEO checks for any page: meta tags, content, keyword, technical SEO and links, plus competitor comparison.

AI Search Visibility Checker

Check if ChatGPT, Claude, Perplexity and Google AI can find, understand and recommend your site.

Mobile-Friendly Test

See your site on a phone and check viewport, tap targets and mobile speed.

Website Screenshot

Capture any website on mobile and desktop, and download a device mockup image.

DNS & WHOIS Lookup

Domain age, registrar and expiry, every DNS record, and email security (SPF, DMARC).

CMS & Theme Detector

See what any site is built with: WordPress theme and plugins, Shopify theme, hosting and more.

SSL Certificate Checker

Check SSL expiry, trust, certificate chain, TLS version and HTTPS redirects.

Broken Link Checker

Find dead links, 404 errors, redirects and broken images on any page.

Meta Tag & Social Preview

Preview how a page looks in Google, Facebook, LinkedIn, X and WhatsApp, and fix its tags.

Robots.txt & Sitemap Checker

Check robots.txt for mistakes, see if Google and AI crawlers can access your site, and validate sitemaps.

HTTP Header & Redirect Checker

Trace redirect chains, check www and https versions, and grade your security headers.

Website Down Checker

Is it down for everyone or just you? Check status, response time and DNS.

Website Speed Comparison

Compare your site's speed with a competitor's: scores, Core Web Vitals and real-visitor data.

XML Sitemap Generator

Crawl your site and create sitemap.xml for Google, plus a list of broken links.

Robots.txt Generator

Create a correct robots.txt with WordPress and Shopify presets and AI crawler controls.

llms.txt Generator

Create an llms.txt file from your site's main pages to help AI tools understand it.

Who Hosts This Site?

Find any website's hosting company, server IP, CDN, DNS and email provider.

Cookie & Tracker Scanner

See which cookies and trackers a site loads, and whether it has a GDPR consent banner.

Accessibility Checker

Test any page for WCAG accessibility problems: contrast, labels, alt text and more.

Website Generator

Build a one-page business website from your details, preview it and download it free.

Website Cost Calculator

Estimate what your website will cost to build and run, then get an exact quote.

Fixes, not just scores

Each check explains the problem and the next step, so you know exactly what to change.

Real data

Speed tests use Google PageSpeed Insights, the same data Google uses for rankings.

No account needed

Paste a web address and get results in seconds. Nothing to install.

Frequently asked questions

Are these website tools really free?

Yes. Every checker is free with no sign-up and no limit on the number of websites, apart from a fair-use limit that stops automated abuse.

Which tool should I start with?

Start with the SEO checker for a full audit of one page, then the page speed checker. Together they cover most of what affects your Google rankings.

Can I check a competitor's website?

Yes. All checkers work on any public website, which makes them useful for comparing your site with competitors.

Can you fix the problems for me?

Yes. These tools are made by Wasiq Khan, a web developer. Use the "Get help" links on any result to ask for a quote.

More free tools