Mission: To examine how many joomla sites there are in Denmark
Many times i asked myself – how many sites actually runs joomla in e.g. Denmark and i’ve could’t find the answer anywhere. Even extensive search on Google, posting in forums etc.
So i decided to find out myself.
Currently lacking danish doimains in the DB Please drop a comment, if you know how to get a complete list of domains in the danish TLD.
The Plan: Build a spider
My idea was to build a spider, that could parse HTML files for evidence of Joomla, and then increment in a DB.
What did I do
The Spider loads the index page of a domain (with the DK TLD), searches for “joomla” in the “Generator” meta tag. (Simple, is’t it 
)
Next I wanted the domain database to grow, so a added a domain grapper, thats takes all the links on the index page, checks for duplicates in the DB, and if new – adds to the spiders TO-DO list.
Conclusions
For now, I can conclude that under 1 percent is running Joomla, but I am only approx. 25-30% through the 1 million danish registered domains.
I’ve added a small “widget” here under, that refreshes on every load the spiders progress.
Its quite positive joomla! gaining good ground in Denmark. From zero to thousands of sites in a few years only for use at DK TLD´s, and with increasing speed. Wont be long till its a five figured number of sites.
For the conclusion I would say that x percent use joomla and have joomla in the generator tag. Some people do actually edit or remove that tag :p