I have a website that scores 88% on on GTmetrix pagespeed test (89 Google), the total page size is 343kb and the page load time is 1.4s but it takes and age to display when testing (approx 20 seconds) The…
I've noticed that the reactDOM.renderToString() method starts to slow down significantly when rendering a large component tree on the server. Background A bit of background. The system is a fully isomorphic stack. The highest level App component renders templates, pages,…
Function is question is from postcss-discard-duplicates plugin. Here is code in index.js: 'use strict'; var postcss = require('postcss'); function dedupe (node) { if (node.nodes) { node.each(dedupe); } if (node.type === 'comment') { return; } var nodes = node.parent.nodes.filter(function (n) {…
I was told that specifying inline width and height for all images will be good for SEO and also helps the site loads faster, like so: <img src="http://www.example.com/images/free-size.jpg" width="200" height="400" alt="random image" /> Although I can still overwrite the inline…
I've found a lot of techniques to preload images both with CSS and JS, but none of them was able to REALLY preload images the way I need, or more specifically in the order I need. Simply put the browser…
I'm trying to improve my Google Page Speed score. Currently 51/100 for mobile and 83/100 for desktop. One of the issues is "Eliminate render-blocking JavaScript and CSS in above-the-fold content". The two items where this is applicable is my minified…
The company I work for has an in-house administrative side to our site. I've noticed its running alot slower and I'm assuming its not because the side of our database but the way we are making the calls and rendering…
Working on a project that requires 10 large animated gifs to be loaded on a site. We are having trouble reducing the file size. Each image is 1200px high (varying widths) and include dozens of frames. Photoshop save for web…
Following the pointers in an ebay tech blog and a datastax developers blog, I model some event log data in Cassandra 1.2. As a partition key, I use “ddmmyyhh|bucket”, where bucket is any number between 0 and the number of…
I have osCommerce installed with a website that has 140k products and product_description table size is about 300MB. Page load tooks 15 second to 20 second, I cut the table to 100MB for testing purpose and now it seem it…