Another crucial metric for link building success is the number of primary domains that point to your site

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Unique domains
Even more than the number of backlinks. Studies have shown a clear correlation between linking domains and higher rankings. Diversity of domains that link to you should therefore be a key element of your strategy.

Referring domains chart
Credit: Backlinko

You can see the number of unique domains linking to your site in the Backlinks tab of the Backlink Analytics tool, and then dive deeper into the information in the Referring Domains tab .


Thematic relevance
You should always aim to get links from sites that are in line with yours . For example, if you run a czechia email list travel site, you should try to get most of your links from other travel-related sites: bloggers, online publishers (like Lonely Planet), travel boards, and the like.

That said, it's okay to have some links from other industries if they're natural and make sense ; the goal is for most of them to be closely aligned with your site's topic.

You can check out our detailed guide on link building strategies that work to learn how to earn quality backlinks with techniques like Digital PR, brand mentions, and newsjacking. There are many effective tactics you can use to build excellent links and diversify your backlink profile.

Off-Page SEO Tactic #2: Brand Building
It is now well known that Google rewards brands.

Brand building activities should therefore be a key part of your broader SEO and marketing strategy and your approach to off-page SEO. And again, it all comes back to building your online authority, both with users and search engines.

But how does brand building intersect with your SEO strategy and what are the success metrics?