The Great Purge: How Algorithms Changed the Internet
Until 2011, Search Engine Results Pages (SERPs) were like the " Wild West " . The top spots were occupied by empty sites overloaded with keywords () and poor-quality purchased links. In response, Google released a series of " animal " algorithm updates that permanently changed the rules of the SEO game.
Learning Supplement
Ranking Factors: Why Are You Not Top 1?
Google uses hundreds of factors to rank pages. They can be divided into technical (speed), content (relevance), and external (links and authority).
Lesson Terms
Case Study Example
The site had great text, but loaded in 10 seconds. Users left immediately (Bounce Rate 90%). Google realized the site was bad and lowered its ranking.
Real Life Example
A restaurant might have the best chef (content), but if there are cockroaches in the hall (technical errors) and nobody recommends it (links), it won't become popular.