Definition
The Google algorithm is a set of sophisticated computer programs that analyze hundreds of factors to determine the display order of web pages in SERPs. It considers over 200 ranking criteria, including content relevance, domain authority, backlink quality, user experience, and page load speed. Google regularly updates its algorithm with major updates (Panda, Penguin, Hummingbird, BERT, Core Updates) and thousands of annual micro-adjustments. Understanding how the algorithm works is fundamental to any SEO strategy, even though its exact formula remains confidential.
Key Points
- Google uses over 200 ranking factors in its algorithm
- Major updates (Core Updates) can strongly impact site rankings
- The algorithm is evolving toward semantic understanding of content (AI, BERT, MUM)
Practical Examples
Google Penguin update
In 2012, Google launched the Penguin algorithm to penalize sites practicing abusive link building with low-quality links. Affected sites saw their traffic drop drastically overnight.
Quarterly Core Update
During a Core Update, a news site loses 30% of its traffic because Google revised its expertise and authority criteria. After an audit and E-E-A-T content improvements, the site recovers its positions within a few months.
Frequently Asked Questions
Google makes thousands of micro-adjustments each year and deploys several major updates (Core Updates) per year, typically quarterly. Core Updates are the most impactful and can significantly change site rankings. Google officially announces major updates, but many adjustments are deployed without communication.
To avoid algorithmic penalties, adopt ethical (white hat) SEO practices: create original, quality content, earn backlinks naturally from relevant and authoritative sites, optimize user experience, and avoid manipulation techniques like keyword stuffing, cloaking, or artificial links.
Go Further with LemmiLink
Discover how LemmiLink can help you put these SEO concepts into practice.
Last updated: 2026-02-07