Every link from another site is a backlink, but the word covers everything from a feature in a national newspaper to a comment-section spam link. Buyers usually shop by the label, so it helps to understand what each type actually is, where it comes from, and how search engines are likely to read it.
The honest summary up front: the label matters less than the page the link sits on and the reason it exists. A "guest post" on a respected industry site can be excellent; an "editorial link" on a fake news site is worthless. Treat the categories below as a starting point, not a guarantee.
The three ways backlinks get classified
Most guides sort backlinks three ways at once, and it is worth holding all three in mind because they overlap. First, by how the link was acquired: editorial, digital PR, guest post, niche edit, directory, press release, comment, network. Second, by link attribute: dofollow, nofollow, sponsored or ugc, the code that tells Google whether to pass ranking credit. Third, by position on the page: a link in the body of an article counts for more than one in a footer, sidebar or widget. The same link can be an editorial, dofollow, in-content link, which is the strongest combination there is.
The categories, compared
| Type | What it is | Typical value | Risk |
|---|---|---|---|
| Editorial links | Links a writer chose to include inside genuine content | High | Low |
| Digital PR links | Editorial links earned through press coverage, data studies and expert comment | High | Low |
| Resource links | Listings on genuinely curated resource and reference pages | Medium to high | Low |
| Guest posts | Articles you write or commission on third-party sites, often paid | Mixed, depends on the site | Medium |
| Niche edits (link insertions) | Links inserted into existing published articles, usually paid | Mixed, often thin | Medium to high |
| Directories and citations | Business listings, local and industry directories | Low to medium | Low if relevant |
| Press release links | Links in distributed releases, usually nofollow and syndicated widely | Low | Low to medium |
| Comment and profile links | Links you place in comments, forums or profile fields | Low | Medium |
| Network and bulk links | Private blog networks, spun sites, comment and profile spam | Negative | High, breaches policy |
Editorial and digital PR links, the gold standard
An editorial link is one a writer chose to include because it genuinely added to their piece. Digital PR is the active way to earn them: you give a journalist a story, data or expert comment worth covering, and the link arrives inside the resulting article. These score highest on every quality factor at once, which is why the industry rates them so highly. In Editorial.link's State of Link Building study, 48.6% of professionals named digital PR the most effective tactic, and in BuzzStream's research the vast majority of practitioners say backlinks are the primary benefit they take from it.
Guest posts and niche edits, the mixed middle
Guest posts and niche edits are the categories most often sold as "links", and they are the easiest to get wrong. A relevant guest article on a real, well-read site can be a fine link. The problem is the market behind it: BuzzStream found 85.3% of guest-posting sites are low quality, defined as below DR 40 with under 10,000 monthly organic visits, and the average estimated guest-post cost sits around $364 before vendor markup, rising to $692 to $957 for a top-tier placement. Niche edits, inserting a link into an existing article, are thinner still, because the surrounding content was never written about you. Both cross into spam the moment they are bought purely to pass ranking credit.
Directories, citations and the low tier
Directory and citation links, business listings on relevant directories, still help local SEO where consistent name, address and phone details build trust. Press-release links are usually nofollow and syndicated across many low-value sites, so they support brand awareness more than ranking. Comment, forum and profile links you place yourself sit at the bottom: easy to get, easy for Google to discount, and a quick way to look manipulative if done at scale.
The tier to avoid
Private blog networks, spun-content sites, hacked or injected links, and bulk packages promising thousands of links for a small fee all manufacture links at scale with no real reader behind them. They pass no lasting value and can trigger a penalty. The quality gap is stark in the data: one analysis cited by Searchlab found a single link from a DR 70+ domain can be worth around 12 times a dozen links from DR 20 to 30 sites, which is exactly why bulk volume from weak domains does so little.
Common mistakes
The usual errors are shopping by label instead of inspecting the actual page, chasing volume from cheap tiers, treating a nofollow link as worthless (it still drives traffic and brand signal), and ignoring relevance because a domain metric looks high. The fix is the same in every case: judge the page the link sits on, not the category it is sold under.
How SEO Backlinks approaches this
We do not sell niche edits, paid guest posts or network links as standalone products, because the safe versions are too rare to scale and the rest carry risk we will not pass to a client. Instead we lead with PR backlinks: contextual links earned inside real editorial coverage. If you are specifically weighing the paid options, we have honest comparisons of guest posts vs PR backlinks and niche edits vs PR backlinks so you can decide with eyes open.
Keep reading
- What are backlinks?, the fundamentals in plain English
- What makes a good backlink?, the quality checklist
- Dofollow vs nofollow backlinks, how link attributes work
- Editorial backlinks, why context beats placement
- Book a call to plan the right mix for your site
FAQs
Which type of backlink is the most valuable?
Editorial and digital PR links earned inside real journalism tend to pass the most value, because the surrounding article gives them relevance, context and the trust of a publisher with real readers. In Editorial.link's 2025 study, 48.6% of SEO professionals rated digital PR the single most effective tactic, more than three times the next-highest option.
Are guest posts and niche edits against Google's rules?
Not automatically. A relevant, genuinely useful guest post on a real site is fine. The problem is when they are bought purely to pass ranking credit, which Google treats as link spam regardless of how natural the placement looks. Quality is a real concern too: BuzzStream found 85.3% of guest-posting sites are low quality, defined as below DR 40 with under 10,000 monthly organic visits.
What is the difference between dofollow, nofollow, sponsored and ugc links?
They are link attributes, a piece of code that tells Google how to treat the link. A standard dofollow link passes ranking credit. Nofollow, sponsored and ugc each signal that credit should not pass, used for untrusted, paid and user-generated links respectively. A nofollow link from a major title still drives traffic and brand signal even though it passes no direct credit.
Do directory and citation links still help?
Relevant ones do, especially for local SEO where consistent business listings build trust. Bulk submissions to hundreds of low-quality directories add nothing and can look manipulative, so quality and relevance still decide it.
What backlink types should I avoid completely?
Private blog networks, hacked or injected links, bulk profile and comment spam, and any package that promises thousands of links for a small fee. These pass no real value and can trigger a penalty.