What are the 4 pillars of SEO?

4 pillars of SEO

Search engine optimization

Search engine optimization (SEO) is optimizing and improving the website for search engines to rank and generate more traffic. This will help increase your website's visibility in the search results.

Everyone starts with a search in Google and other browsers to find and research something they want. This makes it crucial for websites to be search-engine friendly to earn more traffic and searches on the product or brand.

4 pillars of SEO

Let's check into the 4 pillars of SEO:

  • On-page SEO
  • Off-page SEO
  • Technical SEO
  • Content
  1. On-page SEO

  2. On-page SEO is optimizing the on-page elements of your website for the users and Google to rank higher with better organic traffic. It focuses on the contents of the webpage. Implementing on-page strategies helps Google to understand the contents of the page. The main elements considered in optimizing websites are:


    Keywords help your content to reach the user's search queries. These are words the users search for more often. Keyword research is conducted to find relevant keywords related to your topic.


    URL is made SEO-friendly by adding keywords, and parts of the title, and making it short.

    Meta description

    Every single page of your website must be given a meta description with a limit of 160 characters, describing the content for the users and search engines. This description appears on the SERP and it has a huge impact on making the users click, ensuring that you optimize your meta description in perfect ways to attract the desired audience.

    Header tags

    The contents can be blocked with header tags. Header tags with keywords and make it easier for the users to better understand the content.

    Image Alt Text

    Image alts are used to describe what the image is about to users and search engines. Accessibility is improved by using alt texts for the images and is helped for better ranking.

    Structured data

    It is the information contained in the webpage organized in the form of a code snippet. It helps the search engine to better understand the page content. These structured data are used by the search engine to display rich snippets like small descriptions, images, reviews, etc.

  3. Off-page SEO

  4. Off-page SEO is activities done outside the website but impacts the ranking of the webpage in Google. It includes taking backlinks from other websites and sharing links on social media platforms. An external website can pass its authority through links to your website. Offpage elements include:


    Backlinks are links pointed from other websites to yours. Linking from a high authority and relevant website website brings more value to your website. These links give more value to the website leading to a better ranking.

    Local search profile

    Creating a Google My Business page can help in ranking for local businesses. Apart from links, website addresses and maps, images, and other information can also be provided. These listings improve the credibility and reputation of the website.

    Social Media

    Creating a profile on social media increases the online presence and credibility of your website.

  5. Technical SEO

  6. Technical SEO is optimizing the website by meeting all the technical requirements such as:

    - Crawlability
    - Indexability
    - Speed
    - Mobile-friendliness

    To have efficient search results and to show your web pages we need technical SEO. The primary objective is to locate, crawl, and index them effectively. Major search engines like Yahoo, Google, and Bing, utilize spiders to crawl, and from that, they gather information about everything about the web pages.

    Within every website, there will be some files and some directives that will give the search engine spiders directions or information about how they would like to be crawled and indexed. These directives play an important role in guiding the search engine effectively.

    In simple words we can say, it makes it easier for search engine bots to discover, crawl, and index your pages. As a result, they show the results to the users that are most likely to click on them.

  7. Content

  8. Technical SEO facilitates the process by which the search engine locates, and indexes all the web pages. The primary focus that they find on every page is content and how the user experiences. Content has played a crucial role in SEO and we can say it is often referred to as the backbone of SEO since its inception. This mainly includes images, video PDF text etc.