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2

InstantClick has no effect on SEO, as far as I know. Google has no way to detect the cool trickery that’s going on with JavaScript, so InstantClick’s UX benefits unfortunately aren’t reflected in SEO. (I’m InstantClick’s creator.)


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Google has its own pre-fetch both at bot and browser-client level, and there is a high chance it wont run that JS as a bot. Actually it doesnt run most JS unless its from its own Googroot (like conversion, analytics, tagmanager container). That being said, there are significantly better layers to optimize for pagespeed. Google even has its own Apache module ...


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Google does factor page speed into its ranking algorithm but it is a small factor affecting only the slowest of sites. So if it makes a difference, and as of right now there is no indication that it does, it isn't going to be much. While site speed is a new signal, it doesn't carry as much weight as the relevance of a page. Currently, fewer than 1% of ...


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1) You have Adobe TypeKit which is not loading asynchronously with the current code. Try replacing it with the advanced asynchronous code: http://help.typekit.com/customer/portal/articles/649336-embed-code This standard embed code takes advantage of the fact that tags block further rendering of the page to help prevent the FOUT [Flash of Unstyled ...


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PHP vs. Non-PHP Elements If you compare your non-PHP asset load times to your PHP based load times, you will see that the server responds quickly if PHP is not involved. This typically indicates an issues internal to your PHP script. The problem could be within the PHP layer or the database. Using advanced debugging tools like XDebug or NewRelic ...


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The technical term for waiting is refereed to as time to first byte and determines the responsiveness of a web server or other network resources. Some common reasons you might see an high time to first byte: Overloaded network (normally shared hosting) Misconfiguration servers Distance from you and the server (geo location plays a minor role) Server ...


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Responsive Design does not normally use any width or height attributes Google Development Tools is a guide and you shouldn't need to enforce everything you read on their site, in fact some of the stuff is outdated. The majority of responsive websites do not use width or height because they want the images to adapt to the screen size and by using fixed ...


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Browsers download data in parallel and try to start rendering the page as soon as possible. If you do not specify the size, the browser has no idea how large the image is going to be until after the image download is fully complete. This delay forces the browser to repaint or reflow the layout - delaying the page load time. The more images with this ...


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The process goes something like this: read .html file from .html file header, read .css, .js files (.js should be AFTER .css...) read img and script from the page Thus, image tags are read "late". However to calculate the formatting of your page, having the size of the image is a good thing (otherwise browsers use a "random" size such as 1x1, 25x25, ... ...



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