Crawlcenter is cloud based on page SEO tool which bloggers, seo agencies, seo professionals can use to find the pages on a website that are thin, slow, lack H1 to H6 tags, has most number of external, nofollow, internal links, images with and w/o alt tags, broken internal/external links etc.

Crawlcenter makes you aware of invalid canonical URLs and pages that are being indexed/not indexed by Google because of an in correct robots meta tag. It has filters to display titles/meta descriptions by length. It allows you to see headings containing a specific keyword.