It is possible to know if a webpage was written directly with html and css, or if other tool such as wordpress was used ?

Question

when seing the source code of a webpage for example, is possible to identify if was written in html or with other tool

Answer 1

✔Inspect Elements can help you.

Answer 2

It is possible to guess relatively accurately. The biggest giveaway is the spacing. (e.g. Why have ten empty lines when one or three will do?)

Answer 3

Yes by inspecting elements and you can found many useful informations by using website like similarweb or other website analysis.