How to index websites in Google

Most well-known search engines have trillions of pages of search index , For example, Google. 、 Baidu 、Bing. therefore , Let's discuss the ranking algorithm before , Let's first understand Web Index construction and maintenance mechanism . The process of sharing is specific to Google Of , But other web search engines such as Baidu 、Bing It may be very similar . There are other types of search engines , For example, Amazon, which only displays results from its website 、YouTube、 Wikipedia .

step 1、 website

Everything from the known URL The list starts . Google discovered these through various processes , But the three most common are ：

Backlink

Google already has e There is already an index that contains trillions of pages , If someone adds a link to one of your pages , You can find it .

 

You can use the site explorer , Use Ahrefs Webmaster tools are free to view the backlinks of your website .

• by Ahrefs The webmaster registers a free tool account .

• Paste your domain in site explorer .

• Go to the backlink report .

Our reptile is the second active reptile , Second only to Google, So you should see a fairly complete backlink view here .

Site map .

The site map lists all the important pages of your site . If you go to Google Submit site map , It may help them find your site faster .

 

Submitted from URL.

Google Also allows a single URL adopt GoogleSearchConsole Submit .

step 2、 Crawling steps

Computer robot ( Such as Googlebot) Visit and download the discovered page , They are called spiders .

Please note that ,Google They don't always grab pages in the order they find them .

Google In line URL According to several factors , Include ：

• PageRankURL.

• How often does it change URL.

• New or not .

This is very important , Because this means that search engines may grab some of your pages and index them before other pages . If your site is big , It may take a while for search engines to fully crawl .

step 3、 Handle

Processing is where Google learns and extracts key information from crawl pages . No one knows every detail of the process outside Google , But extracting links and storing content for indexing is an important part of our understanding .

To fully handle Google , Google must render the page , This is where Google runs the page code , Learn how it finds users .

 

​ in other words , Some processing occurs before and after rendering —— As shown in the figure .

The first 4 Step 、 Indexes

An index is a large database called a search index , Added to future processing information from crawling web pages . This is essentially a digital library with trillions of pages , Google's search results come from these pages .

This is important . When you enter a query into a search engine , You are not directly searching the Internet for matching results . You are searching the web page index of the search engine . If the page is not in the search index , Search engine users will not be able to find it . That's why your website is Google、 Baidu and Bing And other major search engines .

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