Backlink Types
Here's how I actually work with backlink types when the stakes are real.
Start here
- A backlink is a link from one webpage or website that points to another webpage or website.
- Backlinks are commonly grouped by acquisition method, such as natural/editorial, guest post, digital PR, HARO, link insertion, reciprocal, UGC, directory, and PBN links.
- Backlinks can also be grouped by attribute, especially dofollow/follow, nofollow, sponsored, and UGC.
For SEO, backlink type affects whether a link can pass authority, how risky it is, and how likely it is to help rankings or discovery. Knowing the main types helps practitioners prioritize earned editorial links, avoid spammy schemes, and build a safer link profile.
Example
A backlink is a link from one webpage or website that points to another webpage or website.
Quick start
- Define the goal for this topic.
- Check the live SERP format.
- Improve one page that matches the intent.
- Measure in Google Search Console.
Common mistakes
- Treating the topic as a one-time task
- Ignoring search intent
- Copying tactics without checking your SERP
Next step
Quick answers
What is the difference between dofollow and nofollow backlinks?
Dofollow backlinks pass link equity (authority) to the linked page and can help with rankings. Nofollow backlinks include a rel="nofollow" attribute that tells search engines not to pass authority, though they can still drive traffic and discovery.
Are sponsored backlinks bad for SEO?
Sponsored backlinks are not inherently bad, but they must be labeled with rel="sponsored" to comply with Google's guidelines. Unlabeled paid links can lead to penalties.
What are UGC backlinks?
UGC backlinks are links found in user-generated content such as blog comments, forum posts, or social media. They should be marked with rel="ugc" to indicate their source.
Which backlink type is most valuable?
Editorial or natural backlinks are generally the most valuable because they are earned based on content quality and relevance, and they typically pass full authority without risk.
Sources
Primary documentation is linked directly. Anything commercial is marked nofollow.
- Google Search Central — Primary source for Google’s link and spam policies, including how Google treats link attributes and manipulative link schemes.
- Google Search Central - Link spam policies — Best source for risky backlink types such as paid links, link exchanges, and other manipulative practices.
- Google Search Central - Qualify outbound links — Explains rel attributes like sponsored, nofollow, and UGC, which are central to backlink type classification.
Notes from Callum Bennett.