About Page Speed Optimization and Mobile Compatibility

If you want to increase your website’s visibility and performance in search engines, understanding technical SEO concepts and applying them correctly is of great importance. Here are some basic concepts about page speed optimization and mobile compatibility that you should focus on to strengthen the technical infrastructure of your website:

Page Speed Optimization

Page speed optimization is very important for technical SEO. Thus, both user experience will increase. Both search engine rankings will be positively affected. The first thing to do within the scope of page optimization is to conduct a comprehensive analysis using Google PageSpeed Insights and other speed analysis tools. These analysis tools will guide you in determining what you need to do to speed up your page. If you want to learn in detail how to use the Google PageSpeed Insights tool, you can click here a>

First, when you enter the Google PageSpeed Insights page, you must paste the link of your web page into the section that appears. So you can analyze site speed. Then, you should evaluate the metrics you encounter. The site will tell you one by one what you need to do to fix the problems.

Visual optimization is generally the first thing you need to do to make your page faster. In this context, you should compress the image files and clean their unnecessary metadata. You should also use lazy loading to delay the loading of images while the page is loading.

Apart from this, another action you need to do for page speed is “CSS and JavaScript Optimization”. So, how is this done? Let’s examine.

How to Optimize CSS and JavaScript?

To make these optimizations, one of the first steps you need to perform is file defragmentation and compression.

File Combination and Compression

To understand how to do it, let’s assume you are using WordPress infrastructure. For WordPress, merging is usually done in the functions.php file of the theme files. However, since it will be safer and easier to perform this process using a plug-in, let’s explain this method.

These plugins are easy to use and often offer a variety of options to improve site performance. Here are some popular plugins you can use to perform merge operations:


The Autoptimize plugin allows you to easily merge and compress CSS, JavaScript and HTML files.

After installing the plugin, you can enable the optimization options you want by going to the Autoptimize page from the Settings menu.

W3 Total Cache

W3 Total Cache plugin is used to combine CSS and JavaScript files, as well as optimize the page cache.

Settings > You can enable and configure “CSS and JS Combining” options under General Settings.

Fast Velocity Minify

Fast Velocity Minify plugin is useful for combining and compressing CSS and JavaScript files.

Settings > You can configure the necessary settings on the Fast Velocity Minify page.

These plugins are reliable options that can be used to improve the performance of your WordPress site and optimize page load times. However, I recommend that you make a backup of your site before using plugins and check your site after every change. It is also important to test to make sure it is compatible with the theme and plugins used.

Asynchronous Loading

Asynchronous loading is a technique used to make a web page load faster. Normally, when loading a web page, the browser waits for other page content before downloading and executing JavaScript files. However, when asynchronous loading is used, JavaScript files are downloaded and executed at the same time, allowing other components of the page to load without waiting.

It is quite simple to implement on your WordPress page. You can easily perform this process thanks to plug-ins. Here are the steps to use a plugin for asynchronous loading:

Install Autoptimize Plugin:

  • Log in to the WordPress admin panel.
  • Go to the “Plugins” section from the left-hand menu.
  • Click the “Add New” button.
  • Search by typing “Autoptimize” in the search box.
  • Find the “Autoptimize” plugin from the results and install and activate the plugin by clicking the “Install Now” button.

Configure Settings:

  • Go to “Settings” from the menu on the left.
  • Click “Autoptimize”.
  • In the “Javascript Options” section, check the “Enable asynchronous loading” option.
  • Click the “Save Changes” button to save the settings.

The plugin will automatically take care of loading your site’s JavaScript files asynchronously. In this way, asynchronous loading will be achieved without requiring coding knowledge. This plugin also includes performance-boosting features such as CSS and HTML optimization.

However, you should be careful when installing plugins and make sure that the installed plugins are compatible with your site. After installing the relevant plugin, it would be a good practice to check your site for any errors or incompatibilities.

Mobile Compatibility

Mobile compatibility is of critical importance in SEO strategies today. Due to Google’s mobile-first indexing policy and increasing traffic from mobile devices, an SEO expert must develop a careful and effective strategy for mobile compatibility. Choosing a responsive theme is very important for a mobile compatible site. For this reason, when choosing a WordPress theme, you should choose ones with a “responsive” or “responsive” design. If you need to change your theme preference, you can install and activate a new theme by going to “Appearance > Themes” from the Admin Panel

For mobile speed optimization, you can use prominent plugins such as Autoptimize or W3 Total Cache. These plugins automatically perform optimizations such as combining and compressing CSS and JavaScript files.

If you want to use AMP, you can install the “AMP” plugin in WordPress. After installing the plugin, all pages of your site will be converted to AMP format.

You can use plugins like OneSignal or PushEngage to add push notifications. For quick access icons, check your site’s theme settings or use a plugin.

At each step, settings may vary slightly depending on the theme and plugins used. Therefore, it is important to make a backup of your site before making any settings changes. It can also be helpful to check user comments and reviews when choosing plugins and making theme changes.

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