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The disadvantage would be if your server is slow or your connection is slow. If both are fast then, no, you don't need a separate server. Your server can get bogged down, even with small files, if you get a lot of random requests for different files and it doesn't have enough memory to keep it all in cache. Even Gigabytes of ram won't help if your internet ...


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There is a performance difference between the two, using background-size: 100%; is not supported for Android 4.3 Browser and below. Also, background-size percentage values are not properly supported for SVG images on Safari. Also, iOS Safari has long had very buggy behaviour with background-size: cover. All this info is from the excellent Can I Use... ...


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This is not necessary. The latest ad code uses the "async" attribute on the script tag, which means it does not block rendering or delay loading of your site. The tag that loads the script looks like this: <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> If you are loading multiple ads per page you should ...


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This'll be a bit of a promotion (I do not own this site, nor will I have any advantage of naming them): Kraken.io is an image optimise website. The compress your image to the absolute minimum size, without quality loss! If you can afford to loose a tiny bit of quality, you can even go for "lossy" which is a tiny bit less quality, but in return the result ...


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You should resize an image manually, rather than using styles to resize it. As reducing the file size will improve your download and load speed. Additionally, the effect of resizing an image via styles on rendering performance is small but present (at least when using background-image) From http://www.artlebedev.com/tools/technogrette/html/browser-...


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Doesn't effect. Google bots just crawl through the pages unlike the normal HTML pages that users view as. The bots feed on robot.txt files at the time of indexing for SEO purposes. It crawls through the urls being fed to it by the system eg, in xml format. So, the images wrapped around with padding or margin is of least importance to google robots while ...


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View ( that what client see) in webpage don't have (in normal case) impact on seo . Google robot reads text (html),and don't see webpage as human . Only case that view can have negtive inpact on seo is when you have invisible (the same color as background etc.) text on site . Scaling down images is good idea ( faster site = better user ...


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As far as i know "load time" don't have much inpact on SEO ( at least for now). Of course that you shoud do whatever you can , to make website faster, but remember that UX is the key ( not technical details that only google robot will see) Try: make your css and js cachable ( using .htaccess for example) combine and minimize your js/css - look ...


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The page is only fully loaded when all linked resources (including <script async defer) have loaded. This is when the onload event fires. However, the DOMContentLoaded event is likely to fire before this - which will probably be before the async defer scripts have loaded. (I say "probably" - if the browser is able to determine that it can load the script ...


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This question might belong in Stackoverflow and not here but you are including the complete stylesheets and scripts in each of your pages. That increases the download and computation time for each page significantly while the recommendation you speak of is only talking about less significant amounts of styling and code. Doing what you show can increase your ...



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