Free SEO tools

Every tool SkySiteAudit offers, what it needs and what its limits are. Nothing here costs money — some tools need a free account so we can save your data.

Fully working
SEO Checker
Audit any public page for technical SEO, on-page, links, performance, mobile and security issues — with the evidence behind every finding.
No account needed
Fully working
Website Crawler
Crawl a whole website: follow internal links and sitemaps, then find duplicate titles, broken links, redirect chains, orphan pages and more across every page.
Free account
Working with limits
Page Speed Test
Measure loading performance in a real browser: LCP, CLS, Total Blocking Time, FCP, server response time, page weight and oversized images.
No account needed
Fully working
Robots.txt & Sitemap Validator
Fetch and parse robots.txt, test whether URLs are allowed, discover sitemaps (including sitemap indexes) and validate their structure.
No account needed
Fully working
HTTP Headers & Redirect Checker
Trace every redirect hop, inspect response headers, TLS certificate details and canonical/indexing signals for any URL.
No account needed
Working with limits
Structured Data Validator
Extract JSON-LD and microdata from a page and check syntax and @type declarations.
No account needed
Working with limits
Rank Tracking
Import your Google Search Console performance export (CSV) or add positions manually, then follow average positions, clicks and impressions over time.
Free account
Working with limits
Backlink Analysis
Import linking pages (e.g. from Search Console's Links report) and SkySiteAudit checks whether each still links to you, with anchor text and rel attributes.
Free account
Working with limits
Keyword Research
See which terms your pages actually emphasise (titles, headings, body text) and combine them with queries from your Search Console export.
Free account
Fully working
Competitor Analysis
Run the same public audit on competitor homepages and compare scores, issues and lab performance side by side.
Free account
Fully working
Content Optimization
Review each crawled page's title, description, headings, word count and internal links, with suggestions based on what was actually found.
Free account
Fully working
Uptime Monitoring
Check your verified website every 5–60 minutes and get an email when it goes down and comes back up.
Free account + verified site
Fully working
PDF Reports
Download any audit as a PDF or CSV, or create a share link with an expiry date.
No account needed