Given how prevalent invalid, fantasy HTML has become, HTML validation (conformance-checking) has actually become a performance optimization vector.

A footnote from my article on the first step of reducing HTML file size (omitting optional markup):

https://meiert.com/blog/reduce-html-file-size/

#html #performance #conformance

5 Ways to Reduce HTML File Size on Your Website, Step 0 · Jens Oliver Meiert

The journey begins with an unpopular step.

@j9t em -> i (50%)
strong -> b (16.6%)

xhtml semantic tags also represents in html 5

#fun