ngx_pagespeed作为google开发的nginx第三方模块通过各种过滤指令可以自动的优化网站。这篇文章贴出自用的配置。具体的模块介绍和每个“过滤器”的用法解释，参考官网的文档
(https://www.modpagespeed.com/doc/ 和示例说明(https://www.modpagespeed.com/examples/)
pagespeed on;
pagespeed HttpCacheCompressionLevel 9;
pagespeed PrivateNotVaryForIE off;
pagespeed EnableFilters in_place_optimize_for_browser;
pagespeed RespectVary on;
pagespeed EnableFilters make_google_analytics_async;
pagespeed LowercaseHtmlNames on;
pagespeed LazyloadImagesAfterOnload on;
pagespeed EnableFilters inline_preview_images;
pagespeed EnableFilters resize_mobile_images;
#pagespeed RedisServer "localhost";
pagespeed EnableFilters hint_preload_subresources;
pagespeed ReportUnloadTime on;
pagespeed FetchHttps enable;
pagespeed LoadFromFile "https://chaihongjun.me/public/uploads/" "/alidata1/www/web/chaihongjun.me/public/uploads/";
pagespeed LoadFromFile "https://chaihongjun.me/public/static/" "/alidata1/www/web/chaihongjun.me/public/static/";
pagespeed SslCertDirectory /usr/local/nginx/conf/ssl/chaihongjun.me;
pagespeed SslCertFile /usr/local/nginx/conf/ssl/chaihongjun.me/fullchain.cer;
pagespeed Disallow "*/response/*";
pagespeed DisableFilters defer_javascript;
pagespeed FileCachePath /dev/shm/ngx_pagespeed_cache/chaihongjun.me;
pagespeed FileCacheSizeKb 307200;
pagespeed FileCacheCleanIntervalMs 3600000;
pagespeed FileCacheInodeLimit 500000;
pagespeed MemcachedThreads 1;
pagespeed MemcachedServers "127.0.0.1:11211";
#pagespeed RedisServer "127.0.0.1:6379";
pagespeed EnableFilters prioritize_critical_css;
pagespeed EnableFilters flatten_css_imports;
pagespeed CssFlattenMaxBytes 5120;
pagespeed EnableFilters add_head;
pagespeed DisableFilters add_instrumentation;
pagespeed EnableFilters combine_heads;
pagespeed EnableFilters convert_meta_tags;
pagespeed EnableFilters dedup_inlined_images;
pagespeed EnableFilters inline_images;
pagespeed EnableFilters recompress_images;
pagespeed EnableFilters jpeg_subsampling;
pagespeed EnableFilters convert_to_webp_animated;
pagespeed EnableFilters convert_gif_to_png;
pagespeed EnableFilters convert_png_to_jpeg;
pagespeed EnableFilters convert_jpeg_to_progressive;
pagespeed EnableFilters convert_jpeg_to_webp;
pagespeed EnableFilters convert_to_webp_lossless;
pagespeed EnableFilters inline_import_to_link;
pagespeed EnableFilters local_storage_cache;
pagespeed EnableFilters responsive_images,resize_images;
pagespeed ImageResolutionLimitBytes 128000000;
pagespeed EnableFilters move_css_above_scripts;
pagespeed EnableFilters move_css_to_head;
pagespeed EnableFilters remove_quotes;
pagespeed RewriteLevel PassThrough;
pagespeed EnableFilters collapse_whitespace;
pagespeed EnableFilters canonicalize_javascript_libraries;
pagespeed EnableFilters combine_css;
pagespeed EnableFilters combine_javascript;
pagespeed EnableFilters elide_attributes;
pagespeed EnableFilters extend_cache;
pagespeed EnableFilters lazyload_images;
pagespeed EnableFilters responsive_images_zoom;
pagespeed EnableFilters rewrite_css,sprite_images,rewrite_style_attributes_with_url;
pagespeed EnableFilters trim_urls;
pagespeed EnableFilters rewrite_javascript;
pagespeed UseExperimentalJsMinifier on;
pagespeed EnableFilters rewrite_images;
pagespeed EnableFilters strip_image_meta_data;
pagespeed EnableFilters insert_dns_prefetch;
pagespeed EnableFilters remove_comments;
pagespeed RetainComment " make*";
pagespeed Disallow "*/lbs/*";
pagespeed XHeaderValue "Proudly Presented by Google";
pagespeed PreserveUrlRelativity off;
pagespeed Statistics on;
pagespeed StatisticsLogging on;
pagespeed LogDir /alidata1/pagespeed_logs;
pagespeed StatisticsPath /ngx_pagespeed_statistics;
pagespeed MessagesPath /ngx_pagespeed_message;
pagespeed ConsolePath /pagespeed_console;
pagespeed AdminPath /pagespeed_admin;
pagespeed EnableCachePurge on;
pagespeed PurgeMethod PURGE;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" { }
location /ngx_pagespeed_statistics { }
location /ngx_pagespeed_message { }
location /pagespeed_console { }
location ~ ^/pagespeed_admin { }查看缓存情况以及管理缓存的入口：
你的网站域名/pagespeed_admin
