What Are Backlinks and How to Check Them (2026 Guide)
Everything you need to know about backlinks — why they're still one of Google's top 3 ranking factors, and how to find who's linking to your site for free.
Published May 2026 · 5 min read
A backlink is simply a link from another website to yours. Despite all the AI changes in search, backlinks remain one of Google's strongest ranking signals — right alongside content quality and user experience.
But not all backlinks are created equal. A link from developer.mozilla.org (Domain Authority ~98) is worth thousands of links from low-quality blog networks. Knowing who links to you — and how authoritative they are — is critical for any SEO strategy.
In this guide, you'll learn what backlinks are, why they matter, and how to check yours right now with free tools.
What Is a Backlink?
A backlink (also called an "inbound link" or "incoming link") is a hyperlink from one website to another. When site A links to site B, site B has a backlink from site A.
Dofollow links pass "link juice" (ranking power) to your site. Nofollow links (rel="nofollow") tell search engines not to pass authority — but they can still drive traffic and build brand visibility.
The clickable text of the link. Google uses anchor text to understand what your page is about. "Click here" links are far less valuable than descriptive anchors like "email deliverability checker."
A score from 0-100 that estimates how well a domain will rank. High-DA sites (.edu, .gov, major publishers) pass more value. Our tool estimates DA based on domain age, TLD, and link profile.
Why Backlinks Still Matter in 2026
Despite Google's increasing use of AI (SGE, MUM, BERT), backlinks remain fundamental because they represent third-party validation. An algorithm can't fake the fact that Wikipedia chose to link to your research page.
- Rankings: Backlinks are consistently confirmed as a top-3 ranking factor in every major SEO study.
- Discoverability: Google discovers new pages by crawling links. More quality backlinks = faster indexing.
- Referral Traffic: A well-placed link from a high-traffic site can send thousands of visitors.
- Credibility: Users (and search engines) trust sites that trusted sources link to.
Step 1: Check Your Backlinks (Free Tool)
The fastest way to see who's linking to your site:
10 free backlinks per check. No signup. Instant results.
Or try the demo: see example backlinks for example.com →
Step 2: Understand Your Results
Our backlink checker shows:
- Source: The domain linking to you, with a clickable URL.
- Anchor Text: The exact text used in the link — great for spotting unnatural link patterns.
- Source DA: Domain Authority of the linking site. Green (50+) = valuable. Orange (30-49) = decent.
- Target URL: Which page on your site is being linked to.
Step 3: Build More Quality Backlinks
Create Link-Worthy Content
The best backlinks come naturally when you publish content people want to reference. Think:
- Original research and data studies
- Comprehensive guides (like this one)
- Free tools and calculators
- Infographics and visual explainers
Guest Posting (the Right Way)
Write for reputable blogs in your niche. Avoid "write for us" spam farms — focus on sites your audience actually reads. One guest post on a DA 60+ site is worth more than 50 posts on DA 10 blogs.
Fix Broken Links
Find broken outbound links on high-authority sites (use a broken link checker), then reach out to the site owner offering your content as a replacement. It's a win-win: they fix a dead link, you get a backlink.
Monitor Competitors
Check where your competitors get backlinks. If a site linked to them, it might link to you too — especially if your content is better or more up-to-date.
🚀 Ready to Check Your Backlinks?
See who links to your site in 30 seconds. Free — no signup required.
🔗 Check Backlinks Now →Quick-Start Checklist
- ✅ Run your domain through the backlink checker
- ✅ Note your top-referring domains and their DA scores
- ✅ Check anchor text diversity — too many exact-match anchors can look spammy
- ✅ Identify competitors getting backlinks from sites you don't have yet
- ✅ Create one piece of "link-worthy" content per month
- ✅ For serious link building: upgrade to Pro (€9/mo) for unlimited checks
FAQ
How many backlinks do I need?
Quality beats quantity. 10 links from DA 60+ sites will do more for your rankings than 1,000 links from DA 5 blogs. Focus on earning links from real, authoritative sites in your niche.
How often should I check my backlinks?
Monthly is a good cadence for most sites. If you're actively building links, check weekly. Our Pro plan (€9/mo) gives you unlimited checks so you can monitor as often as you like.
What if no backlinks show up?
New sites or sites with very little traffic may not have backlinks indexed by search engines yet. Focus on creating great content and getting your first few links — they'll start showing up as search engines index them.
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