Not easy as this is a complex setup but I'll try to brief it related to pagespeed:
nginx.conf
include /etc/nginx/al/pagespeed/core.conf;
core.conf
pagespeed off;
# CACHE
pagespeed FileCachePath /tmp/ngx_pagespeed;
pagespeed FileCacheSizeKb 302400;
pagespeed FileCacheCleanIntervalMs 3600000;
pagespeed FileCacheInodeLimit 500000;
pagespeed LRUCacheKbPerProcess 1024;
pagespeed LRUCacheByteLimit 16384;
## PageSpeed admin pages configuration
pagespeed UsePerVhostStatistics on;
pagespeed Statistics on;
pagespeed StatisticsLogging on;
pagespeed on;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header "" "";
}
location ~ "^/pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
include al/pagespeed/admin_ui.conf;
client_body_buffer_size 64k;
#filters activated
pagespeed EnableFilters responsive_images;
pagespeed EnableFilters convert_to_webp_lossless;
pagespeed EnableFilters insert_image_dimensions;
pagespeed EnableFilters recompress_images;
pagespeed EnableFilters recompress_jpeg;
pagespeed EnableFilters recompress_png;
pagespeed EnableFilters recompress_webp;
pagespeed EnableFilters convert_gif_to_png;
pagespeed EnableFilters strip_image_color_profile;
pagespeed EnableFilters strip_image_meta_data;
pagespeed EnableFilters resize_images;
pagespeed EnableFilters inline_preview_images;
pagespeed EnableFilters collapse_whitespace;
pagespeed EnableFilters extend_cache;
pagespeed EnableFilters extend_cache_css;
pagespeed EnableFilters extend_cache_images;
pagespeed EnableFilters extend_cache_scripts;
pagespeed EnableFilters sprite_images;
pagespeed EnableFilters convert_meta_tags;
pagespeed EnableFilters insert_dns_prefetch;
pagespeed SupportNoScriptEnabled false;
pagespeed on;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header "" "";
}
location ~ "^/pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
include al/pagespeed/admin_ui.conf;
client_body_buffer_size 64k;
#filters activated
pagespeed EnableFilters responsive_images;
pagespeed EnableFilters convert_to_webp_lossless;
pagespeed EnableFilters insert_image_dimensions;
pagespeed EnableFilters recompress_images;
pagespeed EnableFilters recompress_jpeg;
pagespeed EnableFilters recompress_png;
pagespeed EnableFilters recompress_webp;
pagespeed EnableFilters convert_gif_to_png;
...
Thanks