“HTML file is not compressed” error. How TO FIX

The “HTML file is not compressed” error typically refers to a situation where an HTML file is being sent from a web server to a client’s web browser, but the file has not been compressed using a method such as Gzip compression.

When an HTML file is compressed, it is reduced in size, which can make it load faster when it reaches the client’s browser. This is because smaller files take less time to transfer over the network.

The error message “HTML file is not compressed” suggests that the HTML file being served has not undergone this compression and is being served in its original size, which can make the page load slower for the end-user.

This error message is often triggered by website performance monitoring tools that look at the size of HTML files and determine that they are larger than they should be. It could be also triggered by web developers inspecting their site’s network traffic to see how the site is performing.

HTML-Why this error occurs?

There can be multiple reasons why an HTML file may not be compressed, but some of the most common reasons include:

1. The web server is not configured to use Gzip compression: Most web servers support Gzip compression, but it may not be enabled by default.
2. The HTML file is already small: If the HTML file is small enough, then the file size reduction from compression may not be significant.
3. Some web pages are dynamic, that is generated by a script, like a PHP script or a Node.js script, so they can’t be compressed by default.
4. The client browser is not configured to accept compressed files: Some browsers do not support Gzip compression and so the server will not compress the files.
5. Missing proper headers on the server response: The server should send response headers indicating that the files are compressed and allowing the browser to decompress them.

It’s worth noting that the size of 130.57 kB is not that high and many small sites are usually smaller than that, it’s always good to measure it with tools like google page speed to see if it affects the loading time and then decide to apply compression or not.

HTML-How to fix this error?

There are several ways to reduce the size of an HTML file and improve its load time. Some common techniques include:

1. Minifying the HTML, CSS, and JavaScript: This involves removing unnecessary whitespace, comments, and other characters from the code to make the files smaller.
2. Using Gzip compression: This is a method of compressing the files before they are sent to the user’s browser. The browser then decompresses the files so that they can be rendered. Most web servers support Gzip compression and it can be easily enabled.
3. Optimizing images: Large image files can significantly increase the size of an HTML file. Compressing or resizing images can significantly reduce their file size.
4. Using a Content Delivery Network (CDN): This involves hosting your files on multiple servers around the world, so that users can download the files from a server that is closest to them. This can help to reduce the load time of the HTML file.
5. Using lazy loading, this way images and other media only get loaded when they become visible on the viewport.

It’s important to measure the effect of each technique and decide which is the best for your specific use case. In general, a combination of techniques will likely be necessary to achieve the best results.