Free tools to analyse websites and domains — authority, indexing, hosting and more.
Inspect HTTP response headers for any URL instantly.
Measure webpage file size and loading weight.
Trace redirect chains and detect redirect loops instantly.
Measure LCP, FID and CLS scores for any page.
Test page loading speed and get optimisation recommendations.
Check if your website passes Google mobile-friendly tests.
Look up location and ISP details for any IP address.
Find domain registration and ownership information.
Query DNS records for any domain name.
Check SSL certificate validity, expiry and details.
Check if any website is currently down or accessible.
Ping any website or IP address and measure response time.
Check if specific ports are open on any host.
Trace the network path packets take to any host.
Analyse and score any website's overall SEO health.
Find out where any domain is hosted instantly.
Check Google PageRank for any URL or domain.
Check Alexa global traffic ranking for any website.
Check Moz domain and page rank metrics instantly.
View Google's cached version of any webpage.
Count how many pages from a domain Google has indexed.
Simulate how search engine crawlers see any page.
Detect if a website shows different content to bots.
Count all internal and external links on any page.
Analyse all links on a webpage including status codes.
Check if two websites are linking back to each other.
Preview how any URL appears when shared on social media.
Trace full redirect chains and identify redirect loops.
Find the geographic location of any IP address.
Detect your browser, OS and device information.
Check if any website is down for everyone or just you.
Capture a full-page screenshot of any website URL.
Calculate the carbon footprint of any website.
Detect the tech stack and tools used on any website.
Verify HTTP to HTTPS redirects are working correctly.
Count words on any webpage or URL instantly.
Validate XML sitemaps for errors and proper formatting.
Test your robots.txt to see what crawlers can access.
Build advanced Google search operator queries visually.
Generate available domain name ideas for any brand.
Discover all subdomains associated with any domain.
Test email deliverability and check for spam issues.
Check if any website has a valid privacy policy.
Check when any website's SSL certificate expires.
Verify DNSSEC configuration for any domain.
Look up mail exchange records for any domain.
Validate SPF records for email authentication.
Check DKIM email authentication records for any domain.
Verify DMARC email security policies for any domain.
Check if any domain or IP is on email blacklists.
Test website accessibility for WCAG compliance issues.
Scan any website for malware and security threats.
Check HTTP security headers for any website.
Audit cookie usage for GDPR compliance on any website.
Measure server response time for any website or URL.
Analyse any webpage's structure, size and performance.
Find the server IP address for any website or domain.
Look up the hostname associated with any IP address.
Find the Autonomous System Number for any IP address.
Check if any URL has a suspicious or malicious reputation.
Estimate monthly traffic for any website or domain.
Analyse competitor websites for traffic and SEO insights.
