#include this in nginx.conf pagespeed on; pagespeed RewriteLevel corefilters; #pagespeed RewriteLevel OptimizeForBandwidth; pagespeed XHeaderValue "Powered By ngx_pagespeed"; pagespeed PreserveUrlRelativity on; pagespeed DefaultSharedMemoryCacheKB 50000; pagespeed FetchHttps enable; pagespeed UseNativeFetcher on; pagespeed EnableCachePurge on; pagespeed NumRewriteThreads 8; pagespeed NumExpensiveRewriteThreads 8; # Needs to exist and be writable by nginx. Use tmpfs for best performance. # Can be replaced by memcache or redis, see https://www.modpagespeed.com/doc/system pagespeed FileCachePath "/var/cache/pagespeed/"; pagespeed FileCacheSizeKb 502400; pagespeed FileCacheCleanIntervalMs 3600000; pagespeed FileCacheInodeLimit 500000; pagespeed DefaultSharedMemoryCacheKB 500000;