Despite the fact that there are lots of changes in SEO that it’s not all about back links, but still we cannot deny the fact the back links still the greatest backbone in SEO. Not like before, today it is necessary to build quality back links from authority sites with high PR and traffic. Recently the Google link spam algorithm was updated, that tend to kill all private blog sites and less quality links. Nonetheless, as a link builder we focus on accumulating quality links for our website, and in this article we are going to discuss some of the great online back link checking sites and tools, that you may use to evaluate the number of back links your site have.

Below are few of the free Best Online Backlink Checker Tools that able to help you evaluate all back links of your website.

Best Online Backlink Checker Tools

1. BackLinkWatch

This is one of the most popular back link checker tool today. BackLinkWatch really provides all of the details of your back links of your site allow you to examine if those links are quality or not. But one thing we hate about this tool is the pop-ups; however it can easily be out of your site by simply closing them with a single click.

2. Analyze Backlinks

The good thing about Analyze Back links is that it has a fine clutter-free homepage to test out back links of your site or blog. Aside from just placing your website address, this tool as well gives special options such as show links only from homepage; don’t repeat back links from same domain; Total Links; Anchor Text; Outbound Links and many more. It allows you to choose those options in accordance to your requirements.

3. Open Site Explorer

Open Site Explorer perhaps one of the Best Online Backlink Checker Tools today. If you want to compare back links among the two or more websites, this tool is worthy for a try. If you have a paid account of SEOmoz then this tool will work at its best, however free tool is enough to use to get you started checking and evaluating back links of your site and your competitor as well.

4. AHrefs

Though AHrefs  is a paid back link checker tool but it is worthy for the price, however you can register here for free and this tool allow you to have a complete anchor text analysis and back link analysis of your site. Indeed this site also provides bid deal of detailed relevant links to your website and with time, and gives details how your site increases and decreases its back links.

5. Link Diagnosis

This online back links checker provides you diverse options while checking back links for your site and blog, and you need an optimized and detailed report, and if you want to evaluate back links for a single page or even a whole website, different kind of results and whole lot more. However, always bear in mind that Link Diagnosis only works best with Mozilla Firefox.