AMP-related issues |
Broken internal links |
External links that are broken |
Duplicate content issues |
Homepage does not use HTTPS encryption (No SSL) |
External images that are broken |
HTTP URLs in sitemap.xml for HTTPS site |
Hreflang conflicts within page source code |
Issues with broken external JavaScript and CSS files |
Images that don’t have alt attributes |
Issues with duplicate title tags |
Incorrect pages found in sitemap.xml |
Issues with expiring or expired certificate (SSL) |
Internal images that are broken |
Issues with hreflang values |
Issues with blocked external resources in robots.txt |
Issues with incorrect certificate name (SSL) |
Issues with blocked internal resources in robots.txt |
Issues with incorrect hreflang links |
Issues with broken internal JavaScript and CSS files |
Issues with uncached JavaScript and CSS files |
Issues with mixed content |
No redirect or canonical to HTTPS homepage from HTTP version |
Issues with old security protocol |
Outgoing external links contain nofollow attributes |
Issues with uncompressed JavaScript and CSS files |
Outgoing internal links that contain the nofollow attribute |
Issues with unminified JavaScript and CSS files |
Pages blocked by X-Robots-Tag: noindex HTTP header |
Links on HTTPS pages that lead to an HTTP page |
Pages couldn’t be crawled (incorrect URL formats) |
Non-secure pages |
Pages have a meta refresh tag |
Orphaned pages in sitemaps |
Pages have a WWW resolve issue |
Page’s that don’t have character encoding declared |
Pages have duplicate meta descriptions |
Pages don’t have enough text within the title tags |
Pages have slow load speed |
Pages have a JavaScript and CSS total size that is too large |
Pages have too large HTML size |
Pages have hreflang language mismatch issues |
Pages have too many on-page links |
Pages have multiple canonical URLs |
Pages that don’t have an h1 heading |
Pages have no viewport tag |
Pages that don’t have doctype declared |
Pages that are blocked from crawling |
Pages that don’t have meta descriptions |
Pages that contain frames |
Pages that have a low word count |
Pages that couldn’t be crawled |
Pages that have duplicate H1 and title tags |
Pages that couldn’t be crawled (DNS resolution issues) |
Pages that have low text-HTML ratio |
Pages that don’t have a title tag |
Pages that have more than one H1 tag |
Pages that have no hreflang and lang attributes |
Pages that have only one incoming internal link |
Pages that have temporary redirects |
Pages that have underscores in the URL |
Pages that have too many parameters in their URLs |
Pages that returned 4XX status code |
Pages that have too much text within the title tags |
Pages that returned 5XX status code |
Pages that need more than 3 clicks to be reached |
Pages that use Flash |
Redirect chains and loops |
Pages use too many JavaScript and CSS files |
Robots.txt file format errors |
Pages with a broken canonical link |
Sitemap.xml files are too large |
Robots.txt not found |
Sitemap.xml not found |
Sitemap.xml files have format errors |
Sitemap.xml not indicated in robots.txt |
Subdomains don’t support HSTS |
Subdomains don’t support SNI |
Subdomains don’t support secure encryption algorithms |
URLs on pages that are too long |
Uncompressed pages |
URLs with a permanent redirect |