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BEST PRACTICES FOR FASTER WEBSITES WordPress Meetup - April 25, 2017 Irina Blumenfeld @irinablumenfeld #wporl
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> < @irinablumenfeld #WPORL netmagik.com 2 SPEED IMPACTS Revenue Bounce Rate User Experience SEO Conversion
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> < Average load time for mobile sites is 19 sec on 3G @irinablumenfeld #WPORL netmagik.com INTERESTING STATS 3 Source: Google’s Double Click
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> < 53% of visits to MOBILE sites are abandoned after 3 seconds @irinablumenfeld #WPORL netmagik.com INTERESTING STATS 4 Source: Google’s Double Click
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> < gtmetrix.com tools.pingdom.com @irinablumenfeld #WPORL netmagik.com 5 MEASURE SPEED
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> < Hosting Images Caching Number of Requests Third Parties @irinablumenfeld #WPORL netmagik.com WHY IS THE WEBSITE SLOW? 6
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> < Ads Weather Images Analytics Social Media Widgets Fonts & Icons @irinablumenfeld #WPORL netmagik.com THIRD PARTIES 7
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> < @irinablumenfeld #WPORL netmagik.com 8 REQUEST MAP GENERATOR http://requestmap.webperf.tools
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> < @irinablumenfeld #WPORL netmagik.com AVERAGE PAGE - 2.5 MB 9 Source: httparchive.org httparchive.org
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> < Lossy vs Lossless @irinablumenfeld #WPORL netmagik.com IMAGE COMPRESSION 10
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> < @irinablumenfeld #WPORL netmagik.com IMAGE COMPRESSION 11 Compress via Web Interface tinypng.com kraken.io Compress with a plugin EWWW image optimizer plugin Compress JPG and PNG plugin Kraken plugin
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> < @irinablumenfeld #WPORL netmagik.com IMAGE COMPRESSION 12 Before After
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> < @irinablumenfeld #WPORL netmagik.com CACHING 13 NO CACHING CACHING
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> < @irinablumenfeld #WPORL netmagik.com 14 Plugins Managed Hosting (own plugin) WP Rocket (premium) WP Super Cache Comet Cache CACHING
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> < @irinablumenfeld #WPORL netmagik.com 15 LESS IS BETTER Number of Requests
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> < @irinablumenfeld #WPORL netmagik.com 16 HTTP/2 Protocol HTPP/1.1 Waterfall HTPP/2 Waterfall SAME WEBSITE
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> < @irinablumenfeld #WPORL netmagik.com 17 HTTP/2 Protocol DEMO FROM CLOUDFLARE Load Time: 0.33 s Load Time: 1.95 s
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> < Hosting Images Caching Number of Requests Third Parties @irinablumenfeld #WPORL netmagik.com Performance Problems 18
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> < Thank you @irinablumenfeld #WPORL netmagik.com 19 WHAT ARE YOUR WEBSITE PERFORMANCE CHALLENGES?