Permute IT Pvt. Ltd. has listed some of the most important changes related to Google SEO below by generalized category, which focuses on the search experience for consumers as much as anything of note for SEO professionals. In line with previous search quality change reports, Google has assigned codenames for each change which does make it easy to keep track of the impact of the changes in the future.
New index tier. We keep our index in “tiers” where different documents areindexed at different rates depending on how relevant they are likely to be to users. This month we introduced an additional indexing tier to support continued comprehensiveness in search results.
Keyword stuffing classifier improvement. We have classifiers designed to detect when a website is keyword stuffing. This change made the keyword stuffing classifier better.
No freshness boost for low quality sites. We’ve modified a classifier we use to promote fresh content to exclude sites identified as particularly low-quality.
More authoritative results. We’ve tweaked a signal we use to surface more authoritative content.
Fewer autocomplete predictions leading to low-quality results. We’ve rolled out a change designed to show fewer autocomplete predictions leading to low-quality results.
More efficient generation of alternative titles. We use a variety of signals to generate titles in search results. This change makes the process more efficient, saving tremendous CPU resources without degrading quality.
More concise and/or informative titles. We look at a number of factors when deciding what to show for the title of a search result. This change means you’ll find more informative titles and/or more concise titles with the same information.
Better query interpretation. This launch helps us better interpret the likely intention of your search query as suggested by your last few searches.
Anchors bug fix. This change fixed a bug related to our handling of anchors.
More domain diversity. Sometimes search returns too many results from the same domain. This change helps surface content from a more diverse set of domains.