Crawl your entire website for SEO issues that can hurt your rankings. Check the Health score for a high-level view of your site's SEO health.
Analyze every page on your site for 100+ SEO issues related to:
Titles & descriptions: missing, duplicate, too long, or too short
Internal and external links: broken links & pages, redirects, etc.
Performance: slow pages, size of resource files
Social tags: issues with Open Graph & Twitter cards
Canonicals: duplicate pages & canonicalization issues
Localization: Hreflang issues
Indexability and crawlability: noindex & nofollow pages, sitemaps
Images: image sizes, alt texts
You can also analyze the mobile version of your website.
See the importance of each flagged issue, and get recommendations on how to fix them.
Create and save custom issues at your discretion.
Understand the scale and depth of SEO issues with informative charts. Find the most common problems on your site at a glance.
Crawl your website without hardware or bandwidth limitations. Our SEO Checker runs in the cloud.
What does that mean for you?
Your hardware does not restrict your website analysis.
You don’t need fast internet, and the crawl consumes no traffic.
You don’t have to worry about app crashes mid-crawl.
You don’t need to keep your computer on for the crawl.
You can even run an SEO analysis from your smartphone!
Get access to the raw data collected by our SEO Checker while crawling your website. Mix and match custom filters to view URLs with specific attributes and issues.
Create segments to analyze different sections of your site for SEO issues separately.
Set up the daily, weekly, or monthly crawls to keep track of your site's SEO health. See what’s changed on your website between checks.
Start using Ahrefs SEO Checker and find out what's holding your website back from ranking — right now!Start a 7-day trial for $7