Technical Crawl Errors Internal Redirects Internally Linked Dead Pages Historic Dead Pages Server Errors Meta Refreshes JavaScript Redirects Blocked By Robots.txt Redirect Chains HTTP Links / Unsecured Content Status Codes 200 Page OK 301 Permanent Redirect 302 Temporary Redirect 307 Temporary Redirect 404 Not Found 500 Server Error Meta Elements Title Tag Meta Description Canonical Tag Hreflang Tag Meta Robots Header Tag Image Alt Tag / Alt Text