Web Performance modpagespeed Jeremy Solarz jeremysolarz Web Performance

Web Performance mod_pagespeed Jeremy Solarz @jeremysolarz Web Performance Group @ Meetup 1

Remember “The Rules”? Web Performance Group @ Meetup 2

“The Rules” (31) • • • Caching Combine “everything” Minify “everything” Move your code around Remove unnecessary stuff https: //developers. google. com/speed/docs/best-practices/rules_intro Web Performance Group @ Meetup 3

Wouldn’t it be cool… Web Performance Group @ Meetup 4

If everything just happens… Welcome to mod_pagespeed: • Changes resources on page • Uses apache filters • Some “Core Filters” active by default Web Performance Group @ Meetup 5

Core Filters • • add_head combine_css convert_jpeg_to_progressive convert_meta_tags extend_cache flatten_css_imports inline_css • • • inline_import_to_link inline_javascript rewrite_css rewrite_images rewrite_javascript rewrite_style_attributes_with_url https: //developers. google. com/speed/docs/mod_pagespeed/config_filters Web Performance Group @ Meetup 6

Too good to be true you say? Let’s see … Web Performance Group @ Meetup 7

Online • List of Possible Filters, https: //developers. google. com/speed/docs/mod_pagespeed/config_f ilters? hl=de • Image Optimization, https: //developers. google. com/speed/docs/mod_pagespeed/filterimage-optimize? hl=de • Get started, https: //developers. google. com/speed/docs/mod_pagespeed/using_ mod? hl=de • Google Insight for Analysis, https: //developers. google. com/speed/pagespeed/insights_extension s? hl=de Web Performance Group @ Meetup 8

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Last words • Please review the meetup on, http: //www. meetup. com/Vienna-Web-Performance -Group/events/113866282/ Next Meetup: 15. 05. 2013 Web Performance Group @ Meetup 10