How Search Engine works

How does a search engine work?

Search engine follows three basic steps to get results from web pages:

1. Crawling.
2. Indexing.
3. Serving or ranking.

1. Crawling:

The first step is checking out what pages exist on the web. There’s not a central registry of all web content, therefore the search engine must constantly look for new pages and add them to its list of known pages. Some pages are known because search engines have already visited them before. Other pages are discovered when a search engine follows a link from a known page to a brand new page. Still, other pages are discovered when a website owner submits a listing of pages (a sitemap) for a search engine to crawl. If you're employing a managed web host, like Wix or Blogger, they could tell the search engine to crawl any updated or new pages that you just make.

Once a search engine discovers a page URL, it visits or crawls, the page to search out what's on that. Search engine renders the page and analysis both the text and non-text content and overall visual layout to make a decision where it should appear in search results. The higher that search engine can understand your site, the higher this will match it to people that are searching for your content.

How to improve your site crawling?

Verify that search engines can reach the pages on your site which they appear correct. Search engine accesses the web as an anonymous user (a user with no passwords or information). A search engine should even be ready to see all the images and other elements of the page to be able to comprehend it correctly. You’ll be able to do a fast check by typing your page URL within the Mobile-Friendly test tool.

If you've created or updated one page, you'll submit an individual URL to a search engine, to inform the search engines about many new or updated pages quickly, use a sitemap.

If you ask search engines to crawl just one page, make it your home page. Your home page is that the most vital page on your site, as far as search engines are concerned. To encourage an entire site crawl, make certain that your home page (and all pages) contain an honest site navigation system that links to all or any the important sections and pages on your site; this helps users (and search engines) find their way around your site. For smaller sites (less than 1,000 pages), making search engines conscious of only your homepage is all you would like, as long as search engines can reach all of your other pages by following a path of links that start from your homepage.

Get your page linked to a different page that search engines already realize. However, be warned that links in advertisements, links that you simply buy in other sites, links in comments, or other links that do not follow the search engine's Webmaster Guidelines won't be followed by search engines.

 

2. Indexing:

After a page is discovered, search engines try to know what the page is about. This process is named indexing. Search engines analyze the content of the page, catalog images and video files embedded on the page, and otherwise try to know the page. This information is stored within the search engines index, an enormous database stored in many, many & many computers.

How to improve your page indexing?

• ·     Create a short, relevant, and meaningful page titles.

• ·        Use page headings that are additionally relevant of the topic of the page.

• ·        Use text instead of images to convey content. (Search engines can understand some images and videos, but not also because it can understand the text. At a minimum, annotate your video and pictures with alt text and other attributes as appropriate.)

 

3. Serving or ranking:

When a user types a question, search engines try to seek out the foremost relevant answer from its index supported many factors. search engines try to see the very best quality answers and think about other considerations which will provide the simplest user experience and most appropriate answer, by considering things like the user's location, language, and device (desktop or phone). as an example, looking for "bicycle repair shops" would show different answers to a user in Paris than it might to a user in Hong Kong. Search engines don't accept payment to rank pages higher, and ranking is completed programmatically.

How to improve your serving and ranking?

• ·          Make your page fast to load, and mobile-friendly.

• ·        Put useful and relevant contents on your page and keep it up so far.

• ·        Follow the search engines Webmaster Guidelines, which helps ensure an honest user experience.

• ·        To know more tips and best practices in SEO guide.