What is a Google Nofollow tag and why should I care?

Using nofollow tags to support SEO


Nofollow tags are important in SEO, but I find many marketers I speak to haven't heard of the approach.

That's understandable since you would only expect SEO specialists to be aware of them. However, I think they are a useful concept to understand as a "hands-on" marketer, since they will effect conversations you have about buying media or understanding the way links in social media work.

Nofollow tags explained

A nofollow tag is a basic piece of HTML. Appended to a hyperlink, it allows webmasters to control whether search engines follow a link or not.

For example, the following URL on a page of another site allows search engines to visit Smart Insights’ website and credit the website with the link; each link is scored by the search engines, supporting SEO:

<a href="http://www.smartinsights.com/" title="Smart Insights">Visit Smart Insights</a>

Here's the same hyperlink, now including a nofollow tag (highlighted in red):

<a href="http://www.smartinsights.com/" title="Smart Insights" rel="nofollow">Visit Smart Insights</a>

The inclusion of a nofollow tag instructs the search engines NOT to visit the site or rather not to ascribe credit to boost the ranking of the destination site based on the link.

A summary of what Google has to say on nofollow links

“In general, we don't follow them. This means that Google does not transfer PageRank or anchor text across these links. Essentially, using nofollow causes us to drop the target links from our overall graph of the web. However, the target pages may still appear in our index if other sites link to them without usingnofollow, or if the URLs are submitted to Google in a Sitemap. Also, it's important to note that other search engines may handle nofollow in slightly different ways.”

Three ways to use nofollow tags support SEO

  1. Paying for adverts  and/or links to your website. While you would obviously never do this to boost your SEO ;-), using a nofollow tag means you can pay for links on sites you believe will deliver quality traffic without running the risk of being penalised by search engines for buying links.
  2. Link to competitors without supporting their SEO. Although you won't want to link to direct competitors, you may sometimes have to link to SEO competitors.
  3. Forcing indexing and crawl prioritisation of your own website. Nofollow tags can be used to ensure search engines prioritise links to your important content rather than to generic power pages, such as Sitemap, Contact Us and Registration. This use of nofollow tags, sometimes known as "page rank sculpting" is most  relevant to large websites.

See our internal linking post for more information and a reminder of the importance of editorial links.

Tactical SEO considerations from marketing campaigns

These are other implications of nofollow which may affect your campaigns.

  • When an agency adds comments to blogs, forums or social media, these will generally be nofollowed, so there is no SEO benefit. This is true for most links on Facebook, Twitter and LinkedIn.
  • Links in blog post articles are "dofollowed" so do support SEO and make guest posting a popular SEO activity.
  • Links are not always about the ‘credit’. Wikipedia includes nofollow tags in all its eternal links but still receives a lot of traffic. Relevant links are still effective in traffic generation despite the inclusion of nofollow tags.

Nofollow tagged social network links are still of great SEO value

Despite the fact that popular social networks include nofollow tags in most of their external links, social networks still have an important role to play in SEO; as well their contribution to other key aspects of digital marketing strategy, such as consumer engagement.

Links from social networks help to establish your brand is active and well shared.

Links from social networks help to build your ‘Social score’ - a key to SEO success.

Checkout this video of Google's Matt Cutts describing how links within Wikipedia and other social networks are of no SEO ranking value since they use nofollow tags.

Share your thoughts

  • Well, nofollow tags are less important than dofollow for some reasons but still, we can have some chances of traffic from those links. Here are my some of the websites to visit: Upcoming Article Directory and Chat Room

    • Suman commented on May 1, 2015

      Here are my some of the websites to visit: Upcoming Article Directory and Chat Room

    • Suman commented on May 1, 2015

      Well, nofollow links also works! See here :) Chat Room and Upcoming Article Directory

    • Suman commented on May 1, 2015

      Simply! How people can post here with Anchor Texts! While some can’t! Chat Room

  • I have read so many posts on follow no follow links but i think this one is far better and nicely written . THanks for sharing

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  • Mark Phua commented on January 18, 2015

    Even links with nofollow attribute can give SEO value and drive traffic if you know to use them for SEO. :-)

    Mark
    http://www.iconversing.com

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  • NBA commented on December 17, 2014

    Nofollow links are still important in driving traffic, building an audience and getting your website indexed by the various search engines. You need an assortment of backlinks to look natural but in reality, all most companies need is excellent original content and a strong social media following.
    http://www.fromthisseat.com/index.php/blog/18963-why-are-the-portland-trail-blazers-nicknamed-rip-city

  • Zeeshan Memon commented on November 8, 2014

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  • Ethnic Food commented on July 4, 2014

    I am impressed with nicely written and Fabulous post. THanks for sharing

  • Mona Ali commented on June 26, 2014
  • Now I got clearly what this no follow is all about ! Thanks

  • Shan commented on January 5, 2014

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  • Arun commented on July 22, 2013

    so google do follow “no -follow” links but does not use them for ranking

  • Hi new to this but was wondering if have disqus with some advertising at the bottom of my comments with other outside links will this effect my google ranking? Is it best to have comments only on disqus? And one quick rather girly question LOL how did you get your disqus links at the bottom to other parts of your site to be coloured?

    • Hi Kelly, Disqus ads shouldn’t affect your ranking since they’re nofollowed links. In fact we had them for 6 months with no problem.

      The coloured links are our own styling :)

      • Thanks Dave for your really fast response. That is good to know, as per your advice now going through my blog and adding no follow. Great tips!

  • AnandaKannanP commented on April 28, 2013

    I am a web geek and i comment on good posts across the web. And the comments section asks for website url, and i give them my website link. If they have nofollow will it affect my ranking? If so why those website shouldn’t remove website text box from their comments section?

    • Hiya – most comments like these are now no-followed, so don’t directly positively impact your ranking.

      They are, however part of a balanced link profile necessary for a site to be seen to be practicing ethical SEO.

      Not sure why some remove text, perhaps they’re unaware of how nofollow works?

  • Well said… One thing I need to add is like what Matt said on the video, if a top website like Wikipedia or CNN link your site because they think it have great content and it can be trust, you don’t really need to focus so much on the fact that the link is nofollow. Because you will still get a lot of traffic and specially your web authority will level up, which can get others in your market to mention your site with a dofollow link and that’s a win, win situation.

    So, building great back links need to different campaigns one for increasing your search engine ranking and the other one to increase your industry authority.

    • I’m just reading your comment after 7 months Luis while updating our SEO guide about Dofollow. It’s a great point. It’s also important to have a natural amount of Nofollows as part of a balanced backlink profile to help with the Penguin update.

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