ShadowXVII edited a comment on issue #1685: Pagespeed causes high FTTB on nginx URL: https://github.com/apache/incubator-pagespeed-ngx/issues/1685#issuecomment-613142726 ### Timings @Lofesa , re: TTFB, I wasn't clear with my timings -- the full details are provided by Chrome which the lionshare of that figure is TTFB in my scenario. No Pagespeed in URL (standby)  With PageSpeed (?PageSpeed=on&PageSpeedFilters=%20debug)  ### Cache I think Cache Control might be the culprit here (or rather, is causing it to look like PageSpeed). @jmarantz , I'm not sure -- [the documentation is ambiguous](https://docs.microsoft.com/en-us/azure/frontdoor/front-door-caching#cache-expiration) -- It says "assets" are cached, but doesn't mention HTML output. The origin request is to a Wordpress website, backed by redis. Maybe I can use some cache control headers to bypass the CDN temporarily to verify the behaviour? From further reading of Downstream Caches, it might just not be possible to run both. I'd like to use pagespeed for the basic page optimization, but skip the beacons etc.
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