Google strategy for matching the web pages to the searching requests
Scroll down a bit until you reach How to Google and then read, read, read and take notes.
http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html
Google's strategy for matching web pages to search queries is based on several key factors. Here are the main elements involved:
1. Crawling: Google uses web crawlers (also known as spiders or bots) to discover and analyze web pages across the Internet. These crawlers follow links from page to page, building an index of the web.
2. Indexing: Once crawled, Google's index is created, which is essentially a giant database of all the web pages the crawlers have found. This index is constantly updated and includes information about each page's content, keywords, and other relevant data.
3. Relevance: When a user submits a search query, Google's algorithm determines the relevance of each web page in its index to that specific query. The algorithm considers multiple factors, such as the keywords and content on a page, its relevance to the search intent, and its overall quality.
4. Ranking: After evaluating relevance, Google's algorithm ranks the web pages in order of perceived quality and relevance. Pages with higher rankings appear at the top of the search results page. Google analyzes various signals, including the trustworthiness of a site, the number and quality of backlinks, and user engagement metrics such as click-through rates and bounce rates.
5. Personalization: Google also takes into account user preferences and behavior to personalize search results. Factors like location, search history, and user settings can influence the order and content of the results shown to an individual user.
It is important to note that Google's algorithm is constantly evolving, and the company regularly updates it to improve the search experience and better match web pages to search queries.