gistfile1.txt

    pagespeed on;
    # pagespeed RewriteLevel PassThrough;
    pagespeed RewriteLevel CoreFilters;
    pagespeed FileCachePath /var/cache/nginx/ngx_pagespeed;
    pagespeed EnableFilters collapse_whitespace,remove_comments,remove_quotes;
    pagespeed EnableFilters inline_google_font_css,move_css_above_scripts,move_css_to_head,flatten_css_imports,prioritize_critical_css,combine_css,rewrite_css,fallback_rewrite_css_urls,inline_css,extend_cache_css;
    pagespeed CssFlattenMaxBytes 5120;
    pagespeed EnableFilters rewrite_javascript,combine_javascript,defer_javascript,inline_javascript;
    pagespeed EnableFilters lazyload_images,rewrite_images,convert_jpeg_to_progressive,convert_png_to_jpeg,convert_jpeg_to_webp,recompress_images,recompress_jpeg,recompress_png,recompress_webp,convert_gif_to_png,strip_image_color_profile,strip_image_meta_data;