utags opened a new issue #1991:
URL: https://github.com/apache/incubator-pagespeed-mod/issues/1991
I use a responsive theme and use a LEMP stack and use the WordPress
platform.
When I test the site performance using the pagespeed insights, I can achieve
81% score for the desktop site but mobile site score less than 30%.
Below you can find my configuration file. My I know which filters improve
the mobile site performance?
`pagespeed on;
#add header
pagespeed XHeaderValue "Powered By ngx_pagespeed";
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header " " " ";
}
location ~ "^/pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
#Disable PageSpeed Core Filters and enabale one by one.
pagespeed RewriteLevel PassThrough;
pagespeed FileCachePath
/var/cache/ngx_pagespeed_cache;
pagespeed AllowVaryOn
"Auto";
#Cause Render Blocking CSS
#pagespeed EnableFilters
hint_preload_subresources;
pagespeed UseExperimentalJsMinifier on;
#Sizes
pagespeed JsOutlineMinBytes 3000;
pagespeed MaxCombinedCssBytes -1;
pagespeed MaxCombinedJsBytes -1;
pagespeed CssInlineMaxBytes 28000;
#pagespeed JsInlineMaxBytes 16096;
pagespeed LazyloadImagesAfterOnload on;
pagespeed RewriteDeadlinePerFlushMs 2000;
pagespeed MaxCacheableContentLength 2048000;
pagespeed FetchHttps enable,allow_self_signed;
# Implicit cache-lifetime for resources
pagespeed ImplicitCacheTtlMs 3600000;
# In-memory LRU Cache
pagespeed LRUCacheKbPerProcess 16192;
pagespeed LRUCacheByteLimit 64384;
pagespeed EnableCachePurge on;
pagespeed PurgeMethod PURGE;
pagespeed LoadFromFileRuleMatch disallow .*;
pagespeed LoadFromFileRuleMatch allow \.css$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.jpe?g$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.png$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.gif$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.js$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.ico$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.svg$ps_dollar;
pagespeed LoadFromFileRuleMatch allow \.php$ps_dollar;
#pagespeed Disallow */js/buzz.js*;
#pagespeed Disallow */lost-password/lost;
#pagespeed Disallow */lost-password/*;
pagespeed Disallow */cron.php*;
pagespeed Disallow */admin.php*;
pagespeed DownstreamCacheRebeaconingKey "{{PAGESPEED_BEACON}}";
pagespeed RespectVary on;
pagespeed RespectXForwardedProto on;
pagespeed LowercaseHtmlNames on;
#JavaScript Optimization.
pagespeed EnableFilters
rewrite_javascript,outline_javascript,combine_javascript,extend_cache,local_storage_cache,canonicalize_javascript_libraries,defer_javascript;
#Other Optimization.
pagespeed EnableFilters insert_dns_prefetch,add_head;
pagespeed RetainComment "
google_ad_section*";
pagespeed EnableFilters trim_urls;
#3rd Party script Optimization.
pagespeed EnableFilters inline_google_font_css;
pagespeed EnableFilters
make_show_ads_async;
pagespeed EnableFilters
make_google_analytics_async;
#HTML Optimization.
pagespeed EnableFilters
elide_attributes,remove_comments,combine_heads,collapse_whitespace;
#CSS Optimization.
pagespeed EnableFilters
prioritize_critical_css,rewrite_css,combine_css,fallback_rewrite_css_urls,flatten_css_imports,inline_css,inline_import_to_link,rewrite_style_attributes_with_url,move_css_above_scripts,move_css_to_head;
pagespeed PermitIdsForCssCombining *-css;
#Image Optimization.
pagespeed EnableFilters
inline_preview_images,resize_rendered_image_dimensions,insert_image_dimensions,responsive_images,lazyload_images,dedup_inlined_images,inline_images,rewrite_images,recompress_images,rewrite_css,sprite_images;
#Mobile Optimization.
pagespeed EnableFilters
resize_mobile_images;
#Browser Optimization
pagespeed EnableFilters convert_meta_tags;
# redis storage backend
#pagespeed RedisServer "{{REDIS_UPSTREAM}}";
#pagespeed RedisTimeoutUs 1000;
#Combine CSS wildcard.
pagespeed PermitIdsForCssCombining font*;
pagespeed MinImageSizeLowResolutionBytes 10;
#Extend Cache
pagespeed EnableFilters extend_cache;
#Fix PageSpeed remove comment AMP validation error.
pagespeed RetainComment "AMP_VALIDATION:*";
#Disable meta refresh.
pagespeed SupportNoScriptEnabled false;`
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