How to Refresh the Cache on the Back-End

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How to Optimize WordPress Performance

1	Measuring Site Performance	21:08
1.1	If You Can Measure, You Can Optimize	1:10
1.2	Using Query Monitor	3:51
1.3	Conducting Remote Performance Tests	14:58
1.4	Performance Recap	1:09
2	Installing Memcached	21:18
2.1	Intro to Object Caching	4:17
2.2	Installing & Testing Memcached	4:47
2.3	Teach PHP to speak Memcached	3:12
2.4	Teaching WordPress to use Memcached	9:02
3	Using Object Caching	30:28
3.1	Analyzing a Poor-Performing Plugin	9:36
3.2	Introducing Caching to a Plugin	8:06
3.3	How to Refresh the Cache on the Back-End	12:46
4	Using Bat Cache	27:07
4.1	Intro to Page Caching	1:49
4.2	Using Siege to Test Performance	11:23
4.3	Installing Bat Cache	7:37
4.4	Testing Bat Cache using Siege	6:18
5	Using Varnish	29:54
5.1	Intro to Varnish	2:24
5.2	Installing Varnish 4.0	7:10
5.3	Configuring Varnish to Cache WordPress	14:44
5.4	Testing Varnish Performance with Siege	5:36
6	Improving Front-End Performance	1.5 hours
6.1	Another look at WebPageTest.org	11:30
6.2	Minifying & Concatenating JS and CSS	17:37
6.3	DNS Prefetch Explained!	7:59
6.4	Forcing jQuery (and other JS) into the footer	10:31
6.5	Loading web fonts asynchronously	11:52
6.6	Final Performance Results & Explanation	3:59