Diigo.com

[DHS_SH]

I was using Open Site Explorer to look at a competitors back links and they had a lot from Diigo.com...a site I must must confess to have never heard of before.

Diigo seem to have a strong Domain Authority but I don't understand how (or if it is wise) to utilise it to boost the organic performance of my website.

My competitor seems to be taking advantage of it to good effect, but I cant work out how! In my mind it is a bookmarking & commenting tool that is geared up towards nofollow link sharing...I must be wrong?!

http://www.diigo.com

What do you guys reckon? Has any one here got any experience in optimisation via Diigo.com?

[DHS_SH]

Thanks for the advice Mat  - certainly useful to know it isn't worth investing a lot of time into for SEO purposes.

[matbennett]

diigo is a bookmarking service.  I use it myself, largely to save things I find online for later reading in a cross platform manner: ie I spot something on my phone and diigo it for later reading on my laptop.

diigo has a few features that similar services don't offer, which I why I switched from evernote.  Groups sharing is a win for me as are some of the annotation features.

You can make your bookmarks public as well, which is where those backlinks you are seeing probably come from.  Are they all from a couple of users or seem to be quite widespread?

Social bookmarking as a link building means is pretty old hat to be honest and generally not too effective. In fact too high a proportion of this could be risky.  I think that most people would rather have one nice authority link than a load of diigo links.

Short version then: good service, but not for link building.