Speed Optimization Guide

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A complete and Comprehensive Guide On Making WordPress websites faster.

Don’t be overwhelmed by the table below; most optimizations can be easily achieved with an optimization plugin. I personally use the free Speed Optimization plugin that comes bundled with SiteGround’s Hosting plan. However, there are several other options, including W3 Total Cache (W3TC), WP Rocket, and FlyingPress.

Steps to optimizing your WordPress website :

1. Visit GTmetrix: Enter your website’s URL to begin the test. GTmetrix offers this tool for free and allows multiple tests to be performed every hour, at no charge.

2. Review the Report: GTmetrix will quickly generate a performance report, pinpointing each area that requires improvement.

3. Consult our table below to address the specific areas highlighted by GTmetrix. While GTmetrix often uses complex terminology, overcomplicates its instructions, and provides guidance for a broad spectrum of websites, we’ve streamlined and tailored their recommendations specifically for WordPress sites. With our clear and straightforward guidelines, you’ll find it much easier to understand and implement the necessary changes.

4. Re-test After Implementing Changes: After making a change, clear your website’s cache if it’s enabled. Re-test on GTmetrix to assess the impact of your adjustments. Using the new results, move on to the next suggested improvement and continue the process.

Implementing this feature can be achieved by using an Optimization Plugin:



Deferring Offscreen Images

Deferring offscreen images, or using the lazy-loading technique, delays the loading of images outside the immediate viewport until they’re needed. By default, browsers load all images on a page, even if they aren’t instantly visible. This can slow down the initial page load and negatively impact the user experience. Lazy-loading is an industry best practice as it optimizes load times by ensuring only immediately necessary images are loaded.


How does deferring off-screen images affect page performance?

Images are typically the bulkiest resources on a webpage and require more time to load than text. Without lazy-loading, users have to wait for every image to load, even those not immediately in view. Lazy-loading images ensures they’re loaded only when they become visible upon scrolling. This not only speeds up interactions above the fold but also enhances the overall page experience. Additionally, it conserves bandwidth, especially valuable for mobile users, offering a perception of quicker page load times. Adopting lazy-loading can also improve vital performance indicators, such as Time to Interactive (TTI) and Speed Index (SI).

How to defer offscreen images?

Users can leverage any number of WordPress optimization plugins to assisit you in lazy loading for images that appear below-the-fold.