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Plugin Description
This plugin uses Varnish and ESI to cache the sidebar separately from the page and aggressively uses Purges so that you can set long expire times without worrying about comments and post edits not showing up immediately.
I did a presentation on the methodology behind this which explains how
the plugin works. Blog Post
Should you use this?
Probably not.
If you’re on a Virtual server, it is likely that you won’t be able to install
Varnish or run your site behind it. If you are able to run Varnish, the use
case for this plugin is a little different than Wordpress-Varnish.
If you are trying to cache your site where your visitors are hitting one
or two pages and you don’t get many comments, Wordpress-Varnish will result in faster pageloads.
If your site is dynamic and you receive a lot of comments, or, your visitors
are likely to surf multiple pages rather than a single landing page, using
ESI will probably provide enough benefit to make the plugin worthwhile for
you.
Image used under Creative Commons License from Varnish Software.
Screenshots
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Move the ESI Widget to the sidebar, populate the ESI Widget Sidebar
with the Widgets you want displayed.
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Configure the plugin with the IP address(s) or Hostname(s) of your
Varnish Servers. You’ll need to make sure your VCL allows the server
to purge.
