• Website and domain authority is define by the number and quality of backlinks. Backlinks are one of the most important search ranking factors of a website and also one of the search engine optimization(SEO) areas where you can gain the huge advantage over your competitors.
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• This is the reason that you should know the best backlink checker tools/website. The best backlink checker tools/website will help you to spot new link making opportunities, discover your competitors backlink, and monitor the health of your backlink profile. In this blog, we will focus on best backlink checkers on the market which is free of cost. Many things have changed in SEO over the past few years, but one thing has remained the unchange that is the backlink. It used to be that the more Backlinks you have, the better your site would rank, but in year 2021, it's about the quality of those backlinks. Using free backlink checker tools, you can find the best backlink for your website.

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• 1.Ahrefs
• Ahrefs is one of the best free backlink-checker online. Ahrefs backlink checker will allow you to have unlimited number of checks per day, but the number of backlinks you can view is limited to 100. Backlinks shown in ahrefs has some additional metrics like domain and page authority, traffic, and anchor text and type. There is also a quick review of your overall backlink profile like domain rating, the total number of backlinks, and the total number of referring domains.

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• 2.Seobility
• Seobility is our 2nd best free backlink-checker tool that allow you three backlink checks per day and the number of backlinks you can see is 400 per check. The list of backlinks is sorted from the high link rating to the low. The number of links you can view is limited although you can see the best ones. The backlinks have some additional parameters like anchor texts, dofollow/nofollow attributes, link types, and linked pages. At the top of the page, you also get a quick summary of the overall backlink profile like total backlink count, domain rating,the number of referring domains etc.

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• 3.Google Search Console
• Google Search Console reports help you to measure your website Search traffic ,performance, fix many issues .Search Console is a free tool to that will improve your website on google search.The search-console will analyze the websites that you own but not other website.
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• Once you logged in then click on "links", then the search-console show you external and internal links of your website, you can only view the top 1,000 results. No additional metrics and no analytics features are provided on-site.

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• 4.SEMrush
• SEMrush is our best 4th choice for a free backlink checker.But first you have to log-in to access the features.When you logged in ,there will be some other seo related features like keyword,website audit,etc for limit number of use only. It’s one of the best keyword research tools on the market, and it has lots of powerful tools to let you analyze backlinks. To use the backlink features, login to Semrush, select ‘Backlink Analytics,’ and type in the name of the domain you want to investigate. You’ll then see lots of information about the domain and its backlinks.

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