Last Updated on June 7, 2025 by Admin
HTML tags are read by search engines for understanding your website. The visitors do not see them, it is only for the use of search engines algorithms. Each HTML tag has key clues about your content and its purpose and structure.
What Are HTML Tags?
HTML tags are used for creating a webpages for custom style and use as per the requirements. They used by the web browsers and the search engines about how to present the content and information of the page to users.
HTML tags are much like name tags for sections of your webpage for SEO purpose. These tags assist in categorizing and explaining the elements of your page.
One can easily identify a HTML tag, as it appear inside angle brackets come in pairs, like opener <tag> and closer </tag> The content is placed between these tags as per its type. For instance, there are tags for headings, paragraphing, images, and links.
15 Must Know HTML Tags for SEO
Let’s discuss the 15 most significant HTML tags for SEO. All these tags have a specific purpose in SEO and enhancing user experience of your website visitors.
1. Title Tags <title>
The title tag is one of the most important tag for SEO and user experience. It is the clickable link on the SERP and is located at the top of the browser window which attracts users’ attention. Keep the title tag short, preferably within 60 characters as per the content of the page and try to include the primary keyword in the start.
2. Meta Descriptions <meta description>
Meta descriptions is another important tag used by search engines. It is useful for summarizing the content of your page and displayed below the page title in the SERP. The meta description should be precise and describe the content of the page with the key phrase. Ideally, limit them to 150-160 characters. A good meta description will give you better click-through rates, which in turn should help you rank higher over time and boost your SEO.
3. Header Tags <h1> to <h6>
Heading tag helps organizing your content, which is helpful for users to understand the main points of your page and for search engine crawlers to understand its hierarchy. H1 tag is mostly used for the page title, and try to keep the primary keyword in it. It is best to limit the use of H1 tag once to page ideally. Additionally secondary headings from level H2 to H6 can be applied to group subtopics in a hierarchy as per the need of topic.
4. Image Alt Tag <alt>
Alt tag for images has many significant functions. For SEO, it gives information about the image to the search engines, also assists the images to be indexed for image search and boosts the relevancy of the page for a given keyword. It is needed also for accessibility because it provides descriptions of images for users with vision impairments.
5. Canonical Tags <canonical>
A canonical tag indicate the original copy of a webpage content when there are multiple copies are there of the same website. It directs the search engine that which of the URL you want to index by search engine for that specific content.
Canonical tags are crucial also helps in avoiding index of duplicate webpages, which may have a negative impact on rankings.
6. Robots Meta Tag <meta robots>
The meta robot’s tag indicates whether a given page should be crawled by search engines or links on the page should be followed or not.
A robot meta tag is a type of page level tag that instructs search engines and website crawlers to crawl your webpage. With the help of this robot meta tag, you can direct the crawler or search engine at page level to index or noindex the webpage.
7. Schema Markup
Schema markup is a form of structured data that can be implemented at a site’s source level to help search engines index it. Site owners frequently utilize this data to describe a specific page in more detail. This includes product details, reviews, ratings, and things to serps.
8. Table <table>
A table tag is used to present content in a tabular manner on web pages. Employ table tags to create rows and columns inside your content, presenting data in a systematic and highly arranged manner as per topic need. This can improve the appearance of your content and makes it easier to read.
9. Iframe <iframe>
An iframe is used to embed an HTML document inside another HTML document. It is a part of your page that shows content from other source like a window does. Some quick examples available for iframe tag is embedding multimedia elements like videos, audio, animations, social media posts, PDF, Google Maps widget etc.
10. List Tag <li>
List <li> tag is beneficial in providing information in a format that is easy to scan and quickly process. An ordered list should be used whenever there are steps in the process or items that are ranked, while an unordered list is used for a collection of related points.
11. Hyperlinks <a>
The <a> tag creates a clickable connection between the pages. It makes easier for the users to navigate using your text to other trustworthy sources for information as well distributing the page authority of every site page.
12. Open Graph Tags and Twitter Cards
Open Graph tags are used to share your page on social media platforms. Facebook and Twitter Cards Open Graph tags use the title, description, and image to be used when the content you create is shared on social networks, which also affect the click-through rates.
13. Hreflang Tag
The hreflang tag is used by search engine to index and display to users of that specific region and language. This way, you can even define the language and country of the user, which gives you a very precise level of control over which version of your content will be displayed to them.
14. Nofollow Tag
The nofollow attribute is used within anchor tags to instruct the search engine not to pass link juice through that given link. It is a useful instrument for keeping your site’s link profile clean and free from manipulations and is still actively used.
15. Responsive Site Meta Tag
A responsive site meta tag also called a viewport meta tag, specifies how browsers should control the screen size for your site and its elements where it is displayed on. Using this tag is one of the starting points in designing a responsive view, which can result in improved user experience, and possibly better position in search results.
Conclusion
Implementing the HTML tags for SEO can make a huge difference in your website user experience. All these technical factors affect your business website and performance in serp. With the help of AlgoSaga’s SEO services, these tags are used and optimized correctly which makes your website user experience better.