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by jacques_chester 4662 days ago
It's funny you should mention this. I was chatting to a mate about this thread and he suggested using an ESI approach.

I think it would work well if the Recent Comments widget was modified to spit a HTML fragment to predictably-named files that varnish could pick up and include with ESI.
1 comments
SonOfLilit 4662 days ago
I never installed Wordpress in production, this is the first time I hear about ESI and in general have almost no relevant experience, but maybe this suggestion has some worth:

ESI sounds like it would couple your web application code to your cache. This sounds negative to my ear. How about modifying the Recent Comments widget to work with an IFRAME or some AJAX? It adds another request to the server, but now both requests can be cached and compressed.

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jacques_chester 4662 days ago
I wouldn't mind coupling Wordpress to Varnish, since I'm controlling my particular installation.

An ajax solution isn't a bad idea, though it would mean at least hitting PHP (whereas the Varnish option never gets that far).

link