What is the difference between nofollow and dofollow links?
Dofollow links pass authority and boost rankings; nofollow links do not pass authority and are used for untrusted or paid content.
Dofollow links are standard hyperlinks that pass PageRank (link juice) from your site to the linked page, helping it rank higher. Nofollow links include the rel="nofollow" attribute and instruct search engines not to count the link as an endorsement or pass authority.
- Dofollow: Default state; boosts SEO of the target page.
- Nofollow: Used for ads, comments, and untrusted content; does not pass authority.
Google treats nofollow as a hint, not a directive, since 2019, but the general rule remains: use nofollow when you don't want to vouch for the link.
When should you use nofollow links?
Use nofollow for user-generated content, paid links, untrusted sources, and widgets to avoid passing authority and risking penalties.
Use nofollow for any link you don't want to endorse or that could be seen as a paid placement. Common scenarios:
- User-generated content: Blog comments, forum posts, and guestbooks to prevent spam.
- Paid links and ads: Sponsored or affiliate links must be nofollow (or sponsored) per Google's guidelines.
- Untrusted sources: Links to sites you don't fully trust or that may harm your reputation.
- Widgets and badges: Embedded widgets that include links should be nofollow.
Failing to nofollow paid links can result in a manual penalty from Google.
How do you implement nofollow and dofollow links correctly?
Add rel="nofollow" to the anchor tag for nofollow links; omit it for dofollow. Use sponsored and ugc for specific cases.
Implementing the attributes is straightforward in HTML:
- Dofollow: Simply use <a href="https://example.com">Anchor Text</a> without any rel attribute.
- Nofollow: Add rel="nofollow" to the anchor tag: <a href="https://example.com" rel="nofollow">Anchor Text</a>.
Modern best practices also include rel="sponsored" for paid links and rel="ugc" for user-generated content. These are variations of nofollow that provide more context to search engines.
Always audit your outbound links regularly to ensure compliance and maintain link equity.
Frequently Asked Questions
Quick answers to structural technical gaps
Do nofollow links still matter for SEO?
Yes, nofollow links help control link equity and avoid penalties, even though they don't directly boost rankings. They are essential for a healthy backlink profile.
Can I change a nofollow link to dofollow later?
Absolutely. You can edit the HTML to remove the rel="nofollow" attribute, but ensure the link is trustworthy and not paid. Otherwise, you risk a penalty.
What happens if I use nofollow on internal links?
Using nofollow on internal links can waste crawl budget and dilute PageRank flow. It's generally not recommended unless you want to hide a page from search engines.
How do I check if a link is nofollow or dofollow?
Use a free SEO audit tool or browser extensions that highlight link attributes. You can also inspect the page source for the rel attribute.
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