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James Cryer
Works at BBC Future Media
Attended Cardiff University
Lives in Cardiff
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James Cryer

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Are JavaScript frameworks too costly on mobile? Fantastic article by Paul Lewis on the cost of developer convenience vs. user performance

https://aerotwist.com/blog/the-cost-of-frameworks/
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Offline-first Polymer apps are incredibly simple to write. As in, like, no code whatsoever. Platinum service worker elements are straight up magic. Check it out.

https://www.youtube.com/watch?v=BucGrYACJdQ
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how to make manipulating dom faster, by Stoyan.
http://www.phpied.com/rendering-repaint-reflowrelayout-restyle/
2010 update: Lo, the Web Performance Advent Calendar hath moved. Dec 17 This post is part of the 2009 performance advent calendar experiment. Stay tuned for the articles to come. UPDATE: Ukraine translation here. Nice 5 "R" words in the title, eh? Let's talk about rendering - a phase that comes ...
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Hey folks! We just started a Slack channel to make it easier to chat with the Polymer team and each other. You can join in by following this invite link: polymer-slack.herokuapp.com
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Great talk on how to optimize delivery of "dynamic content"... which is all too often treated as "not cacheable", but definitely doesn't have to be.
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First public draft of Frame Timing API: http://bit.ly/1J9DiuV  - aka, real user measurement (RUM) for smoothness... allowing you to measure frame-level timing data from real-world devices and users!

p.s. bonus: implementation already underway in Chrome! \o/
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TCP and the lower bound of web performance... is a must watch talk on plumbing, history, and people behind TCP. Awesome.
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Interesting lessons from optimizing atom.io's rendering performance: bit.ly/1Niv5pU - yay for leveraging the GPU!
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How Yelp delivered 60FPS animations on their gallery: http://bit.ly/1Hn0bO1 - great tips.
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You'd think large ecommerce sites would lead in HTTPS adoption.. sadly, exactly the opposite is true: http://bit.ly/1yPP8Jd - sad... disturbing, even.
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Have him in circles
125 people
Dylan Thomas's profile photo
Simon Lightfoot's profile photo
Gareth Bouch's profile photo
Ian Jenkins's profile photo
Gavin Davies's profile photo
Sean Robbins's profile photo
Steve Dimmick's profile photo
Robert Kenny's profile photo
Andrew Kasper's profile photo
Education
  • Cardiff University
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Male
Work
Occupation
Web Developer
Employment
  • BBC Future Media
    Senior Software Engineer, 2012 - present
  • Box UK
    Senior Software Developer, 2011 - 2012
  • Box UK
    Software Developer, 2008 - 2011
  • Careers Wales Online
    I.T Support Officer, 2006 - 2008
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Currently
Cardiff
Previously
UK
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