From W3Tech; > PHP is used by 77% of all the websites whose server-side programming language we know. I had a quick look at the methodology section, but it’s not clear to me how accurate this data is. Determining whether a site uses PHP can be relatively straightforward (especially with default extensions / if Wordpress is used / etc), but if a site (potentially using a different language) is behind a reverse proxy/u…
The conclusion has no coherence to the source.
I guess that most of the web runs on PHP (because it runs on Wordpress) if counted by page-view. But I'm not sure that's the proper measure.