Finally, we worked on compressing and resizing images on each of the sites. In some cases, the images on the sites had already been compressed, and the biggest culprit was (as you’ll see) the home page for site four. I find that on sites that have been ignoring it, image optimization is frequently the quickest, easiest and highest-impact page speed win. … [Read more...] about The non-developer’s guide to reducing WordPress load times up to 2 seconds (with data)
Improve server response time
Expires: indicates how long a proxy-cache or browser can consider a document “fresh” and not have to go back and get it. By setting this to a date two decades ago, the server is indicating that it should never be considered fresh. Cache-control: is used to explicitly tell proxy-caches or browsers information about the cacheability of the document. “no-store” and “no-cache” tell it not to cache the document. “must-revalidate” means that the cache should never serve the document without checking with the server first. “post-check” and “pre-check” are IE-specific settings that tell IE to always retreive the document from the server. Pragma: is an HTTP request header, so it has no meaning in this instance. … [Read more...] about How To Improve Crawl Efficiency With Cache Control Headers
Take Summit County Metro Parks mobile site as an example, in the header section alone, I was able to use a combination of CSS shapes and font icons to create what could’ve been six different images. Activating the mobile menu shows an example of a CSS-shape animation (the hamburger menu morphing into an “X”), and the use of an additional icon on the right side of accordion triggers shows open and closed states.” … [Read more...] about How to optimize images for mobile: Implementing light, responsive, correctly formatted images
The emphasis placed on mobile may be disproportionate to its commercial impact. However, it is impossible to deny that mobile is vitally important for international targeting and that it is being prioritized by the world's largest technology firms (e.g., Google and Facebook, which account for 73 percent of all digital advertising spend in the U.S.). … [Read more...] about The Mobile-First World: Is It Time to Batten Down the Hatches?