jmarantz commented on issue #1557: Optimized javascript is not compressed URL: https://github.com/apache/incubator-pagespeed-ngx/issues/1557#issuecomment-388572017 This is probably not the issue, or may even be a cut&paste error, but in your accept-encoding you misspelled "deflate" (lacking the L). It does say content-encoding:gzip in the response headers. Also of note: Varnish appears to be in the serving path, which may do its own inflation or something. In any case, an equivalent fetch from ngxpagespeed.com appears to work as expected. ``` curl -v -H 'Accept-Encoding: gzip,deflate' 'https://www.ngxpagespeed.com/rewrite_javascript.js.pagespeed.ce.Fa3p2b86VH.js' ... GET /rewrite_javascript.js.pagespeed.ce.Fa3p2b86VH.js HTTP/1.1 > Host: www.ngxpagespeed.com > User-Agent: curl/7.54.0 > Accept: */* > Accept-Encoding: gzip,deflate > < HTTP/1.1 200 OK < Server: nginx/1.13.8 < Content-Type: application/javascript < Transfer-Encoding: chunked < Connection: keep-alive < Vary: Accept-Encoding < Strict-Transport-Security: max-age=15768000 < X-Original-Content-Length: 260 < Date: Sat, 12 May 2018 17:52:27 GMT < Expires: Sun, 12 May 2019 17:52:27 GMT < Cache-Control: max-age=31536000 < ETag: W/"0" < X-Page-Speed: 1.13.35.2-0 < Content-Encoding: gzip < U?K?0 D?9ňU ?k?e{?U * Connection #0 to host www.ngxpagespeed.com left intact ```
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