I think the percentage that the GP is referencing is from W3Techs [0]. It's currently 39.7% in fact, and that's only looking at the top 10 million websites [1],

I think the percentage that the GP is referencing is from W3Techs [0]. It's currently 39.7% in fact, and that's only looking at the top 10 million websites [1], so it's not just a simple installation count across all sites ever created. [0] https://w3techs.com/ https://w3techs.com/ [1] https://w3techs.com/technologies https://w3techs.com/technologies