It’s well known that a site which gathers links too quickly can be penalised by search engines – but what about sitewide links ?

Are they just discounted to count as one link by search engines or is the effect more significant ?

Well over the last month we conducted a small experiment with a couple of sites.

Firstly we have a site which has not been highly promoted, but has been getting a trickle of natural search traffic. We added a link to it from an article directory with over 50,000 pages. Almost immediately the natural search traffic dried up.

A couple of weeks later the links where removed. Traffic came back in a few days.

So now we turned our attention to this site. In the early days I promoted it any way I could – sometimes copping a 2 or 3 month trip to the sin bin, courtesy of our friends at Google and Yahoo.

All the way through it though I’ve had a sitewide link on the same article directory above.

After seeing the results of the sitewide link on the newer site, we decided to try removing the site wides pointing here. I had thought about doing it on an off for a while but never did because I was afraid the sudden removal of the links would have a negative effect.

Its a bit harder to tell what the real results are with a more mature site. However, since removing the links serps have stayed static for the major terms but we seem to be getting a lot more traffic from the long tail keywords.

Overall traffic appears to have risen. Could be coincidence (natural fluctuation) but it feels like removing the links from the article directory has had a positive effect.

For me the take-away from this experiment is two fold:

  • Always make small changes to your sites, watch the results and take action accordingly. When it come to search engines, there is always an opportunity to make small improvements by tweaking the on-site and off-site SEO
  • This has confirmed for me, that its best to stay clear of site-wide links for sites where natural search is an important component of incoming traffic. They do more harm than good.

If you’ve done some experimentation with sitewide links, please drop some notes below so other readers may benefit from your experience.

Filed under: Search Engines

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