Shefali Pandey Shefali Pandey on

As browsers evolve so do best practices for page performance. Some classics have endured like making fewer requests from CSS and writing concise semantic markup for faster rendering. And then there are some contentious performance grey areas like Data URIs (when to use? should they be used?), inline styles (are they faster than external styles? if yes, should one sacrifice readability for performance?), using SVGs for images, using CSS preprocessors (a battle between maintainability and performance?).