RackCache vs Varnish

Varnish is the more common of the two in our index: it runs on 2,914 websites against 32 for RackCache, and 2 sites use both. Counts come from real scans, not vendor claims.

RackCache: 32
Varnish: 2,914

RackCache

RackCache is a quick drop-in component to enable HTTP caching for Rack-based applications.

Indexed sites: 32
Share of Caching: 1%

Well-known sites using it

All 32 sites

Varnish

Varnish is a reverse caching proxy.

Indexed sites: 2,914
Share of Caching: 62%

Well-known sites using it

All 2,914 sites

Used together

2 sites run both RackCache and Varnish. That is 6% of the sites using RackCache, the smaller of the two.

More comparisons

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.