Otto Kekäläinen: Improving WordPress performance with XDebug and PHP profiling
Published
February 3, 2018
XDebug is a tool for developers to gain insight into how PHP is executed. Using it for profiling is a very effective, fast and precise method to find bottlenecks in your WordPress site. In this talk I explain how to use it with Webgrind, how to find potential optimization targets, show examples of real cases when XDebug helped fix a performance problem and also explain what XDebug is not suitable for and what can be used instead. If you are not a developer, you’ll learn what XDebug is capable of and when to ask a developer to use it.
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WordPress.tv 
February 19, 2018 at 9:06 am |
Playback seems broken for this video. Clicking play produces no effect.
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June 10, 2018 at 1:06 pm |
Video still broken.
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June 19, 2018 at 7:37 am |
Checking back again + link still doesn’t work.
Be great if someone can post a different link to this video.
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July 6, 2018 at 6:22 am |
David, sorry for the delay in replying. The link works OK on my end. Try pasting the title in the search bar on wordpress.tv.
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July 6, 2018 at 6:38 am |
Video fails to play in Version 67.0.3396.99 (Official Build) (64-bit).
Plays in FireFox… so… this suggests something broken with WordPress.tv marking up (HTML wrapping) videos to play.
Looks like possible problem is WP.tv uses iframe, rather than object + there are many HTML syntax errors on the page. Just a guess.
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