Martin Splitt from Google said on the latest SEO office hours that having lots of nofollow or noindex tags or attributes on your site does not signal to Google that you have quality issues with your site or many low quality pages.
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How Google Search & Google Discover Picks Image Thumbnails
Google updated its image SEO best practices and Google Discover documentation to clarify how Google picks a preferred image thumbnail for Google Search and Google Discover. Google wrote it “uses both schema.org markup and the og:image meta tag as sources when determining image thumbnails in Google Search and Discover.”
Google Fixed Favicon Bug & Crawl Stats Missing Data
Google has fixed two bugs this weekend related to Google Search. The first is the bug with many favicons not showing up in the Google Search result snippets. The second is the bug with two days of data missing from the Google Search Console crawl stats report.
Google Search Continues Tests Highlighted Snippets & Light Backgrounds
Google Search seems to be continuing to test highlighting words in blue in its search results snippets. Plus, Google is also testing showing light background color for some words in the search result snippets.
