Aviva Directory is back in Google listings, and has some Google Toolbar PageRank (PR4). Google de-listed Aviva for various reasons, which Geoff explains. He has worked with Matt Cutts and others to ensure Aviva is index and appearing for its site name in search results. There are valuable lessons to be learned her for all directory owners and web masters.

Matt Cutts has indicated that a new Google Toolbar PageRank update is on its way. Don't forget this wont increase the PR value of your web directory or website. PR is constantly changing. Google update the toolbar value every three months or so, and the next update is now.

DMOZ is not showing in Google's search results for the term "DMOZ". The recent algorithm changes at Google have affected even the biggest of web directories.

Social networks are a great way of gaining backlinks and traffic to your websites. You will probably have seen various bookmarking shortcuts appearing on various websites. I have spent quite a bit of time creating my own shortcuts to the many social networks that are current.

addthis.com offer a great service that allows a single piece of JavaScript to be added to your site. When rendered a single good looking link appears, making it easy for your visitors to bookmark your pages.

The service offers two types of JavaScript code. The first links to the addthis.com website, where the visitor can choose the social network to use. The second, which at this stage is in Beta, is a drop down, which allows the visitors to chose the network on your website, removing a stage of the process. I like this second method. Check it out yourself.

Google and Yahoo are now firmly fighting for online display advertising in the UK. Read more on the BBC website.