i am trying to reduce my webpage load time . When i am searching i come to this point preload css and javascript .   So i am trying to implement this in my html page  please see my html code before and after implementation  before  <html> <h...
Just asked my first question and got a great response. So helpful. Helped me create this bit of javascript to create two random numbers on the same page.  <script> window.onload = function(){ generateRandomNumber1(); generateRandomNumber2(); }&...
The effect i am refering to is visible at http://whyinteractive.com/showreel. The elements appear to scroll behind and in front of one another at different speeds creating some cool effects. How was this done?...
Just wondering if the amount of document.ready calls affects page load speed.  Is there a way in Gulp / Grunt to uglify / minify JS by removing seperate document ready functions?...
Google Page Speed Insights     "Try to defer or asynchronously load blocking resources, or inline the   critical portions of those resources directly in the HTML."   The above issue is prompting me for my 2 stylesheets. So I load my styleshee...
It is widely recommended that JS files should be put at the bottom of page to allow html codes to be loaded first. In this case, visitors will see something when waiting for full load of the page. However, I think this is disadvantageous for these re...
Google recommends (https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery) using following JS code to optimize page speed (async CSS loading)  <script>   var cb = function() {     var l = document.createElement('link'); l...
I have the following js script referenced on the bottom of the page:  <script src="http://example.com/test.js" type="text/javascript"></script>   Google PageSpeed suggestion is to defer the loading of this js. I don't...
I have jQuery added at the bottom of the page. However, when I run my site on pagespeed insights (Mobile), I get the error:     Eliminate render-blocking JavaScript and CSS in above-the-fold content   Your page has 2 blocking script resources and 1 b...
I try to build an Angular App with the best performance possible. This App is very simple:     One Header (with two links), one Footer, the homepage and the about page. The app is available here  I use LightHouse from Chrome to see the metrics. Using...

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