A backlink is a link from one website to another. When a reputable site links to yours, search engines interpret it as a vote of confidence.
Why backlinks matter
Authority signals. Google uses backlinks to determine which sites are trustworthy. A page with 100 links from respected sites outranks a page with zero, all else equal.
Referral traffic. A good backlink sends visitors directly to your site. Even one link from a high-traffic blog can send hundreds of visitors.
Domain authority. High-quality links raise your site's overall authority over time, making every future link more valuable.
Quality beats quantity — always
- One link from a DA 80 site outweighs 100 links from DA 10 sites
- Relevance matters — a link from a healthcare site to a health blog is worth more than a random link
- Anchor text matters — the words used in the link ("best supplements" vs. "click here") carry signal
Types of backlinks
- Editorial links — naturally earned through great content. Best kind.
- Guest post links — earned by writing for other sites. Good if done right.
- Directory links — mostly low-value today, but some niche directories still work.
- Profile links — low-value, often spammy.
- Comment links — usually nofollow, minimal value.
What about spam?
Any link from soup.io, ampblogs.com, pages10.com, link farms, PBN networks, auto-generated content sites, or adult/unrelated niches is likely to hurt you. We'll cover avoiding spam in the next article.
Want to rank higher?
Start tracking keywords, discovering backlinks, and monitoring competitors — free.
Get started free
