Jeff Kaufman

> doesn't it depend on airflow? A lower-filtration option should outperform a higher-filtration one if the flow difference is large enough. Lots more on this now: https://www.jefftk.com/p/merv-filters-for-covid

Could you paste screenshots of PageSpeed Insights for your site, with the PageSpeed module on and off? I want to see what score components decreased, which should tell us what...

To confirm, when fetching `/res/css/A.fontello.css+paper.css+scrollbar.css+style.css,Mcc.pyRZM-96yH.css.pagespeed.cf.yyQUpjEnFC.css`, turning off `ModifyCachingHeaders` removes `Cache-Control`, `ETag`, `Expires`, and `Last-Modified`?

Reproduced. I added a stanza to my test config: ``` server { server_name test.example.com; root /var/www-test; listen 80; pagespeed on; #pagespeed ModifyCachingHeaders off; } ``` Ran: ``` http_proxy=www.jefftk.com:80 headers test.example.com/A.test.css,qa=b.pagespeed.cf.X13vJaX7nm.css...

What version of PageSpeed are you using? This should be working with 1.12

If you're on mod-pagespeed-stable then upgrading with apt-get will leave you at the most recent stable release, which is still 1.11 (currently). To check what version you're running, the easiest...

When I manually load the headers for your site I see `X-Mod-Pagespeed: 1.11.33.5-0`, which is our latest stable version. I'm not sure why `ismodpagespeedworking.com` doesn't see the same headers. If...

Could you say more about what you tried, what happened, and what you expected to happen instead?

What happens if you run `mkdir /tmp/pagespeed/Easy` between steps 1 and 2?

Sorry, my previous suggestion was wrong. When you ran `/usr/local/cpanel/3rdparty/bin/git clone https://github.com/pagespeed/cpanel.git /tmp/pagespeed/` that should have created a directory `/tmp/pagespeed/Easy`. Did the `clone` step print out any error messages when...