Link Building

What is link building?

Link building is the process of acquiring hyperlinks from other websites to your own. Each link acts as a vote of confidence, telling search engines that your page is credible and worth ranking.

Moz describes it this way: a hyperlink is a way for users to navigate between pages on the internet. When an external site links to yours, that link signals to Google that your content is legitimate, which improves its ranking potential.

Why link building still matters in 2026

Search engines have grown more sophisticated, but backlinks remain one of Google's most reliable signals for determining authority and relevance. A page with strong, relevant inbound links consistently outranks comparable content with weaker link profiles.

The practical payoff for you: better rankings mean more organic traffic, more visibility, and more decisions you can make with confidence, without waiting for someone to pull a report or pasting numbers into a chatbot to figure out what's working.

Quality link building

Not all links are equal. Search engines weigh the quality of the sites linking to you, not just the count. A single link from a reputable, topically relevant domain carries more weight than dozens of links from low-authority sites.

This is where Keyword Opportunity matters: attaching links to relevant keywords, rather than inserting bare URLs, is central to quality link building. Search engines read the anchor text as context for what your page covers.

Websites accumulate authority over time based on their own backlink profiles and site age. When a high-authority site links to yours, it passes some of that authority along. Earning those links from credible, relevant sources is the goal.

How to identify content worth building links to

Not every page on your site is worth building links to. Focus on content that already drives decent traffic and relates directly to the topic where you want to build authority.

The following metrics are the link building KPIs worth adding to your SEO dashboard.

Backlinks SEO metric

How many links are bringing users to your website?

Backlinks are links directed to your website from another website, also called inbound links. Tracking this metric tells you how many external sources are vouching for your content, and lets you benchmark against competitors.

Why are backlinks important for SEO?

Search engines interpret each backlink as a vote of confidence. The more quality backlinks a page earns, the more authoritative it appears, and the higher it tends to rank. An example of a strong backlink: a link from a topically relevant, high-authority site in your industry.

Quantity matters, but quality matters more. Google and other search engines assess the content of the linking site to determine how much weight a backlink carries. A link from a niche publication covering your exact topic is worth far more than a link from an unrelated directory.

Building backlinks that move the needle

When inbound links come from sites with content related to yours, they carry more relevance. Links from unrelated sites carry less. The higher the relevance, the greater the quality.

One proven approach: write guest posts on reputable websites in your niche. Focus on sites with strong domain authority, ideally higher than your own. A link from a weaker site adds little value and may not last.

• Drive relevant traffic first. Build links to pages that already demonstrate value. A link to a page that converts reinforces both authority and business outcomes.

• Prioritize topical relevance. A link from a site covering your exact subject area signals to search engines that your content belongs in that conversation.

• Avoid low-authority targets. Writing for sites with domain authority well below yours produces links with little to no value.

You can learn how to use Moz as a data source to pull backlink data directly into your reporting.

Backlinks: common challenges

The biggest challenge is relevance. Guest posting and link exchanges can inflate your backlink count without improving the quality of traffic those links send. Focus on sources your actual audience reads, not just any site willing to publish a link.

Deeplinks ratio SEO metric

Are your links keeping users on your website?

The deeplinks ratio compares homepage links to deep links across your domain. Deep linking points visitors directly to a specific page within your site, rather than to the homepage, so they land exactly where the information they need lives.

Learn more about Moz integrations for tracking this metric.

Why is deep linking important for SEO?

Deep linking keeps visitors on your site longer. When a user arrives through search, they've landed because Google determined your page matches their intent. That's a signal worth building on.

A well-placed internal link, connecting a term on one page to a deeper explanation on another, extends the visit, exposes more of your content, and distributes authority across your site. It also gives users a reason to explore beyond the page they landed on.

Deep linking best practices

Keep deep links natural. Concentrating all your internal links on a single page creates a poor reading experience and concentrates authority in one place rather than distributing it across your site.

Page authority is not shared across your site automatically. Heavy internal linking to one page builds authority there, but it doesn't lift other pages. Domain Authority, which reflects the trust factor of your entire domain, is different from page-level authority. Confusing the two leads to misreading your link building results.

Distribute internal links across your highest-value pages. A balanced internal link structure spreads authority, improves crawlability, and gives every important page a better chance of ranking.

How to monitor your SEO link building in real time

Link building metrics tell part of the story. The full picture comes from pairing them with related web metrics, including click-through rates and marketing return on investment.

Monitoring these together on a Marketing Dashboard means you're not checking metrics in isolation. You can see whether a spike in backlinks is actually moving traffic, whether that traffic converts, and whether the investment is producing a return, without having to pull each number from a separate tool.

That's the difference between knowing your link count and knowing whether your link building is working.