PageRanks are stored inside the site's database/
Requests to Google are made in the moment visitors request a site.
Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.
Here are some key features of "Pagerank tools":
· Overview of all urls with pageranks
· Storing PageRank history of all sites
· Random requests of PageRanks
· WordPress 2.9 or higher
What's New in This Release: [ read full changelog ]
· Added actions hooks.