What the dofollow and nofollow attributes actually do, why nofollow links still matter, and how to check which type you're getting before you order.
Every link on the web can carry an HTML attribute that tells search engines how to treat it. A dofollow link is the default — no special attribute is added, and search engines are free to follow it and pass along a share of the linking page's authority to the destination site. A nofollow link includes a rel="nofollow" attribute, which historically told search engines not to pass ranking value through that link, and not to necessarily follow it when crawling.
In practice, most guest posting and link building conversations reduce this to a simple question: does this link help my SEO, or is it mainly there for traffic and visibility?
Dofollow links are the primary way backlinks contribute to search rankings. When a relevant, authoritative site links to you with a dofollow link, it passes along a signal of trust that search engines factor into how they rank your pages. This is why dofollow links are generally considered more valuable in a link building strategy focused specifically on rankings.
It's a common misconception that nofollow links are worthless. They still provide real value in several ways:
Beyond dofollow and nofollow, two more specific attributes exist: rel="sponsored", meant for paid or advertising links, and rel="ugc", meant for user-generated content like comments and forum posts. These were introduced to give search engines more precise signals about why a link exists, though nofollow remains the most commonly used catch-all in practice.
Always confirm the link type before ordering a guest post or placement — publishers don't always specify this upfront, and it materially changes what you're paying for. A few ways to check:
rel="nofollow" appears in the link tag.Rather than chasing 100% dofollow links, aim for a natural mix — a majority dofollow is generally fine for a site actively building authority, but a total absence of nofollow links is one of the patterns that can look unnatural to search engines evaluating a backlink profile. If you're unsure how your current mix looks, our free Backlink Counter can help you get a picture of your existing links.
Every listing in our marketplace states the link type upfront — no guessing after you pay.