[brettermeier]

Some things are a standard, and thats a good thing... Line lenghts discussed here for example: https://baymard.com/blog/line-length-readability

[kjs3]

Sorry...I'm too busy laughing at the idea of "there is one canonical 'standard' for anything in web UX that everyone agrees with" to google up one (or a dozen) websites that disagree with the undoubtedly fine folks at the Baymard Institute.