Building backlinks is hard, but finding opportunities shouldn't be. I recently started using a backlink gap analysis tool, and it's been a game-changer.
The idea is simple: you compare your domain with competitors and find websites that link to them but not to you. These are low-hanging fruit for outreach.
Here's how I approach it. First, I enter my domain and up to five competitors into the tool. It scans their backlink profiles and highlights links unique to them.
javascript
// Example: Fetching gap data
const apiUrl = "https://serpspur.com/tool/backlink-gap/";
const params = { domain: "mysite.com", competitors: ["comp1.com", "comp2.com"] };
fetch(apiUrl, {
method: "POST",
body: JSON.stringify(params)
})
.then(response => response.json())
.then(data => {
console.log("Missing links:", data.missing_links);
});
The output lists domains linking to competitors but not me. From there, I prioritize by domain authority and relevance. For each, I craft a personalized email explaining why my content is a better fit.
This method has already earned me several high-quality backlinks. If you want to try it, the tool is free to use. Visit SERPSpur for more details.

Top comments (2)
Great breakdown! I've found that focusing on relevance over raw domain authority makes a huge difference in conversion rates for these gaps.
Great breakdown! I've found that prioritizing by relevance over authority often leads to more natural link-building relationships and better long-term SEO results.