Backlinks are links from one website to another and can be acquired in various ways. These links can be in the form of text or images, and when obtained from the right sources, they provide significant benefits for search engine optimization (SEO).
For websites aiming to drive more traffic from Google, backlinks are one of the key SEO ranking factors to pay attention to. Indeed, in 2016, Google stated that after content, backlinks are among the most critical ranking factors.
If you are new to SEO and looking to increase your website traffic, you might be wondering what backlinks are and why they are so important. In this article, you will find everything you need to know about the concept of backlinks.
What is a Backlink? Why Is It Preferred?
Backlinks, often referred to in the SEO world as “incoming links” or “external links,” are redirects from one page on a website to another page. Unlike internal links between pages within your own site, these links come from external sources directing traffic to your site.
Trustworthiness
If your goal is to improve your site’s ranking on search engines, you should focus on the links that Google and similar platforms use to measure a site’s authority. These links can be considered as indicators of a site’s trustworthiness. When one site links to another, it is seen as a form of endorsement indicating that the source is reliable.
For example, if five different strangers recommend a restaurant in your city as the best place to eat, you are likely to trust that restaurant because it is recommended by multiple people. The same logic applies to your website.
Popularity
Google views backlinks pointing to a web page as a sign of that page’s popularity. Sites with more backlinks generally achieve higher rankings.
Every link from someone else’s website to your site or to another site counts as a backlink. However, not all backlinks carry the same value. It’s like receiving a recommendation from someone you don’t know versus a trusted person. Google places more value on links from reliable sources.
This trustworthiness is represented by PageRank, one of Google’s algorithms that analyzes the quality and quantity of backlinks pointing to a page to determine its importance and authority. While PageRank was once openly discussed and debatable, today it is a metric that is not clearly measurable.


Types of Backlinks
Backlinks are connections established between web pages, but not all backlinks hold the same value. It is important to understand the different types of backlinks and how they play a role in your strategy. Here are some common backlink types and their characteristics:
Nofollow Links
These links indicate a website’s lack of endorsement or trust towards another site. If you want to link to a site but do not want to directly recommend it, you can use the “nofollow” tag. Nofollow links include the rel=”nofollow” attribute, signaling search engines like Google not to follow or pass authority through these links. They do not pass PageRank value and therefore do not directly improve search rankings. However, since 2019, Google has adjusted its approach to nofollow links and may consider them as potential signals.
Dofollow Links
These links are considered indicators of trust between sites and do pass PageRank value. Dofollow links, which do not contain the nofollow attribute, have a direct impact on search rankings.
Sponsored Links
If you pay someone to promote content or receive a link in exchange for a product review, these links should be marked with the “sponsored” attribute. Google views paid links as unnatural and such links can negatively affect your site’s ranking.
UGC (User Generated Content) Links
Introduced in 2019, this attribute is used for links coming from user-generated content, such as forums and blog comments. The UGC tag signals to Google that the link was placed by a user rather than a site administrator.
High Authority Links
To improve your site’s ranking, you should aim to obtain backlinks from high-authority sources. Google gives more weight to links from trusted and reputable websites. High authority links typically come from well-known, reliable sites.
Harmful Links
These are low-quality or guideline-violating links that can damage your site’s ranking. Harmful links can negatively impact your SEO, and you can use Google’s Disavow Tool to remove or ignore such links.
Google rewards organically earned links that reflect the quality and value of your content with the highest authority. Editorial links, given by editors or content creators who recognize the quality and value of a page and wish to share it with their audience, are genuine and focus on providing real value rather than manipulating search rankings.

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