- Categorize paginated documents.
- More language-relevant navigational results.
- Country identification for webpages.
- Anchors bug fix.
- More domain diversity.
- More local sites from organizations.
- Improvements to local navigational searches.
- Improvements to how search terms are scored in ranking.
- Disable salience in snippets.
- More text from the beginning of the page in snippets.
- Smoother ranking changes for fresh results.
- Improvement in a freshness signal.
- No freshness boost for low-quality content.
- Tweak to trigger behavior for Instant Previews.
- Sunrise and sunset search feature internationalization.
- Improvements to currency conversion search feature in Turkish.
- Improvements to news clustering for Serbian.
- Better query interpretation.
- News universal results serving improvements.
- UI improvements for breaking news topics.
- More comprehensive predictions for local queries.
- Improvements to triggering of public data search feature.
- Adding Japanese and Korean to error page classifier.
- More efficient generation of alternative titles.
- More concise and/or informative titles.
- Fewer bad spell corrections internationally.
- More spelling corrections globally and in more languages.
- More spell corrections for long queries.
- More comprehensive triggering of “showing results for” goes international.
- “Did you mean” suppression goes international.
- Spelling model refresh and quality improvements.
- Fewer auto-complete predictions leading to low-quality results.
- Improvements to SafeSearch for videos and images.
- Improved SafeSearch models.
- Improvements to SafeSearch signals in Russian.
- Increase base index size by 15%.
- New index tier.
- Backend improvements in serving.
- “Sub-sitelinks” in expanded sitelinks.
- Better ranking of expanded sitelinks.
- Sitelinks data refresh.
- Less snippet duplication in expanded sitelinks.
- Movie showtimes search feature for mobile in China, Korea and Japan.
- MLB search feature.
- Spanish football (La Liga) search feature.
- Formula 1 racing search feature.
- Tweaks to NHL search feature.
- Keyword stuffing classifier improvement.
- More authoritative results.
- Better HTML5 resource caching for mobile.
- Updates to rich snippets
- Another step to reward high-quality sites
Source : Google Insight Search Blog