Working Man Creative | 6 quick things developers can do to improve performance
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6 quick things developers can do to improve performance


6 quick things developers can do to improve performance

92 West is an Omaha Web Design Agency

6 quick things developers can do to improve performance | Web design | Creative Bloq

Web designTips

Developer and web performance expert Tim Kadlec shares six tips.

We’re building some pretty fat sites right now. The average site is over 2MB, which is ridiculous – and in many countries very expensive.

A lot of that is just unnecessary bloat things like images that are too big, misbehaving third-party scripts, and heavy JavaScript frameworks.

Tim Kadlec ensured performance was optimum on the new Radio Free Europe/Radio Liberty website

But it’s not such a huge problem that it can’t be solved. Developers need to build with care to make sure the sites they produce are lean and fast.


Here are six things all developers should be doing to improve the performance of their websites…

  1. Compress your images and serve them at correct size
  2. Minify and compress all your HTML, CSS, and JavaScript
  3. Limit the use of heavy JavaScript. Render as much as you can on the server and use JavaScript to sprinkle on enhancements
  4. Optimise for the critical path so that your content appears as quickly as possible
  5. Start familarising yourself with HTTP/2 because that changes so many things
  6. If you’re going to use something like Bootstrap, be sure you remove all the unused CSS in a build process. There’s a ton of unnecessary bloat.

Words: Tim Kadlec

Tim Kadlec is a performance expert currently working as a web technology advocate at ‎Akamai Technologies.  Don’t miss net magazine’s in-depth interview with Tim – where he talks performance and life-or-death website speeds – in issue 275, on sale from 26 November.

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