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helps Google grasp how words can have diverse meanings.
deliver SOS notifications while looking for natural disasters.
avoid serving duplicate or near-duplicate pages.
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A mechanism that assures Google doesn't overcredit websites with exact-match domains.
show fresher results for predicted searches.
A system that ensures users view genuine, helpful content, not just search engine-optimized stuff.
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assess what pages are about based on how they link to each other.
display relevant local news sources.
is a language-understanding AI system. It enhances featured snippet callouts but not ranking.
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lets Google match concepts from queries and pages.
help Google prioritise original information, including original reporting, over citations.
Systems that demote websites with several content removal requests.
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A system that evaluates web pages for user-friendliness.
identifies "passages" of a web page to determine its search relevance.
A system that compensates expert authors who write informative product reviews using original research.
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helps Google understand word-to-concept relationships. Google can offer results without exact query phrases.
Google's systems elevate authoritative pages, demote low-quality content, and reward quality journalism to show accurate information.
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deal with Google's spam restrictions.
stops Google from presenting more than two results from the same site.
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Google's 2013 ranking system upgrade. Google says systems have evolved.
A system that favours mobile-friendly content. It's now in Google's page experience system.
2018's Page Speed System favoured fast-loading mobile content. It's now in Google's page experience system.
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2011's Panda system favoured high-quality, original content. It joined Google's core rankings in 2015.
2012's Penguin system demoted spammy link-building websites.
2014's Secure Sites System preferred HTTPS websites. It's part of Google's page experience system.