Google chose different canonical than user [Google Search Console / Webmaster Tools]

This URL is marked as canonical for a set of pages, but Google thinks another URL makes a better canonical. Because we consider this page a duplicate, we did not index it; only the canonical page is indexed. We recommend that you explicitly mark this page as a duplicate of the canonical URL. To learn which page is the canonical, … Read more

Submitted URL not selected as canonical [Google Search Console / Webmaster Tools]

The URL is one of a set of duplicate URLs without an explicitly marked canonical page. You explicitly asked this URL to be indexed, but because it is a duplicate, and Google thinks that another URL is a better candidate for canonical, Google did not index this URL. Instead, we indexed the canonical that we selected. The difference … Read more

Google Search Console Definitions

Google Webmaster Tools / Search Console Definitions Errors: Server error (5xx): Your server returned a 500-level error when the page was requested. Redirect error: The URL was a redirect error. Could be one of the following types: it was a redirect chain that was too long; it was a redirect loop; the redirect URL eventually exceeded the max URL … Read more

Jan-22 2017: Search Console performed an infrastructure update that may cause a change in your data.

Google Webmaster Tools performed an update on January 22nd which may cause anomalies in search data. For my web properties, this resulted in a 50% drop in reported “Structured Data” elements in webmaster tools. According to Google’s Data Anomalies reporting page, an event for January 22nd has not yet been reported.