Support » Plugin: W3 Total Cache » [Plugin: W3 Total Cache] "Add Expires Headers" and "Compress components"

  • Resolved ronblaisdell


    Things have been working great! I have reduced the load time for my site by 70% — however — I am stuck on some reports that I am getting from YSlow.

    In the “Browser Cache,” I have ensured that I have “Set expires header”, “Set cache control header”, and “Enable HTTP (gzip) compression” all checked. And in each of the three sub-sections, I have the “Cache Control policy” set to “cache with max-age,” and the “Expires header lifetime” set to 604800 for Media, CSS and JS files.

    But I am still seeing reports indicating that things are being delivered without expirations — and that the system is not delivering gzipped versions (and yes, they do exist).

    Any thoughts on what I should check next?

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  • Plugin Contributor Frederick Townes


    Why did you change the browser cache default settings? 31536000 is the expires value YSlow is looking for.

    Ok … I reset the “Expires header lifetime” to 31536000, cleared all the cached files, and accessed the site with a browser not logged in as Admin.

    However, YSlow still shows that we have files without expiration dates (and a grade of F).

    By deleting items from my CDN and then re-loading them via the appropriate CDN section, I have been able to take care of the “expires lifetime header” once I reset to the default 31536000.

Viewing 3 replies - 1 through 3 (of 3 total)
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