Page Speed and SEO
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Transcript of Page Speed and SEO
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Source (http://backlinko.com/google-ranking-factors )
Source (http://googlewebmastercentral.blogspot.com.au/2010/04/using-site-speed-in-web-search-ranking.html)
Source (https://blog.kissmetrics.com/speed-is-a-killer/)
Shopzilla speeded up average page load time from 6
seconds to 1.2 seconds, and
increased revenue by 12% and page
views by 25%.
Amazon increased revenue by 1% for
every 100ms of improvement
(same as Walmart).
Yahoo increased traffic by 9% for every 400ms of improvement.
Mozilla got 60 million more
Firefox downloads per year, by
making their pages 2.2 seconds faster.
Source (http://www.globaldots.com/how-website-speed-affects-conversion-rates/)
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http://www.fastly.com/
Source (http://www.stevesouders.com/blog/2012/02/10/the-performance-golden-rule/)
PageSpeed Insights ( From Google)
http://www.webpagetest.org/ (supported by Google)
GTMetrix (GTMetrix and Yslow)
Webpage Analyzer
Load Impact
Image source (http://softstribe.com/wordpress/enable-gzip-compression-in-wordpress)
photo credit: PetitPlat – Stephanie Kilgast – cc
Image Source (http://moz.com/ugc/expires-headers-for-seo-why-you-should-think-twice-before-using-them)
Google Analytics
Source: https://support.google.com/analytics/answer/2383341?hl=en
Google Analytics
Page Load Time
Source (http://gtmetrix.com/why-is-my-page-slow.html)
• Government website
• They were using an external JavaScript file to serve three lots of Google Analytics code, sending data to three different UA numbers (a requirement for government sites).
• The three code versions were all asynchronous ga.js. Combined, with three lots of GA and their external javascript file, it was taking 914 ms to load everything required for the tracking.
• Government sites consider accessibility to be very important and page load is a big part of accessibility, especially for users on mobile devices or on regional ADSL
