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9 reasons why your website is loading slowly

Website owners continue to struggle with page optimization. Have you ever wondered why your website loads so slowly? Here are 9 of the most frequent causes of sluggish website loading speeds, along with suggestions for how to address them. Avoid being tardy!


  1. Unoptimized Images

The most frequent cause of a website’s delay is typically a high number of poorly optimized images. When loading, high-resolution photographs might use a lot of bandwidth. Scaling down larger-sized photographs after uploading them can unnecessarily increase the size of your web page, slowing down the loading of your website. Whatever CMS and website builder you select, this is true.



  • Check your image file sizes; anything above 1MB is truly too large.
  • JPEG is preferable than PNG, particularly for larger photos. Icons are fine.
  • To quickly check image sizes and make corrections, use waterfall testing.
  • Images that aren’t optimized can cost you money by using up more bandwidth.
  • Make sure a front-end developer, not a full-stack one, is handling the development of your website. Due to the variations in the development scope, front-end developers are typically more skilled at taming JavaScript on the client side and can address any JS/jQuery problems.


  1. JavaScript problems

The ability to add dynamic content to websites has been greatly facilitated by the availability of JavaScript/jQuery plugins. JavaScript can, however, severely slow down the page load time of your website if it is used improperly.


JQuery and JavaScript require some time to load, interpret, and run. Therefore, utilizing many API requests to produce JavaScript/jQuery data might cause a noticeable delay in how quickly web pages load.



  • Think about utilizing a program like Segment or Google Tag Manager. One script to control all of your tools!
  • There must be asynchronous loading.
  • Real script bloat exists. Examine your JavaScript scripts to determine what you actually need and get rid of the rest.


  1. Unclean Code

Unclean coding is another typical reason why websites take so long to load. When you create your website, extraneous white space, inline stylings, blank new lines, and pointless comments can increase the size of the website stylesheet.


By getting rid of these extraneous components, you may compress the code, shrink the file size, and speed up the entire page load time. If you’re monitoring rankings, you’ll probably also see an improvement in your SEO performance. This procedure is known as minifying technically. There are a number of internet tools that may be used to clean and minify your CSS files if you are not acquainted with coding. As an alternative, you could benefit from various IT services companies’ assistance.



  • The finer points matter.
  • When using a single CSS stylesheet, try to avoid creating additional ones.
  • Minify!


  1. Absence of use of Caching Methods

The performance of webpages can be greatly enhanced via caching. You are losing out if you are not caching. Using this method, you can save frequently used data points in the so-called “cached memory.”


The same content is served from the cached memory for any subsequent requests, accelerating the entire data retrieval process.



You are likely to notice a significant improvement in your website’s performance after integrating browser/HTTP caching and server-side caching.



  • Performance is dramatically enhanced by caching.
  • Many different things, including HTTP, database queries, and pictures, can be cached.
  • Consider caching something if you can. However, proceed cautiously to avoid damaging anything. It may be difficult.


  1. Several HTTP Requests

A high number of image, CSS, and JavaScript files can cause excessive HTTP requests. The browser makes multiple requests to load each of these files when a user accesses your website, which can considerably slow down page load time.



  • Reduce HTTP requests by using sprites.
  • Wherever you can, lessen the quantity of files on your pages. includes Javascript, pictures, and CSS.
  • The number of files that users must download is reduced when CSS and Javascript files are minified.


  1. Absence of gZIP compression

By turning on gZIP compression, you tell the server to send the web objects—such as pictures, CSS, and JavaScript files—to the requesting browser in a single container.


By minimizing the amount of data sent between your server and the visitor’s browser, compression decreases response times and makes it possible to offer the requested material much more quickly.



If you haven’t yet made gZIP compression available on your website, you should get started with that right away.



  • An effortless performance gain is gZIP compression.
  • All of your web assets (images, CSS, and JS) are bundled together and sent to the requesting browser in this container.


  1. Not Using a CDN Service

A CDN (content delivery network) service is a distributed network of independent servers set up in several locations that can provide visitors with online material with a high level of availability and performance.


The node in the closest accessible data center will offer the requested material, depending on where in the world your visitor is. The round-trip time (RTT) would be reduced, and the required content would be delivered considerably more quickly.



  • Though not required, CDN can be useful. especially if you frequently host visitors from abroad.
  • In geographically dispersed data centers, CDN caches frequently accessed data.
  • They can reduce round-trip time (RTT) and deliver content to audiences more quickly.


  1. Too Many Ads

Display ads are undoubtedly a terrific way to monetize popular websites and boost your advertising report’s performance.


However, the user experience or performance shouldn’t suffer as a result. Don’t let your website’s slowness be caused by too many adverts!


The addition of HTTP requests, which would require more processing time, is the most evident effect of having too many adverts on your website. Rich media ads, such as pop-unders, interstitials, and automatic downloads, can generate hundreds of HTTP requests, rendering your website inoperable. In conclusion, reducing the quantity of display ads will boost your website’s functionality.



  • Due to the additional HTTP requests made by advertisements, page loading times are slowed.
  • Use them sparingly; doing so will enhance your advertising’ performance, user experience, and CTRs.


  1. Too much traffic

A web server can only handle requests from a specific number of users at any given level. When that threshold is reached, the page will load more slowly. The website gets slower the more users it has. The server providers may also need to allocate extra resources to the website as a result of increased traffic. But without an improvement, the current services would undoubtedly be inadequate and cause lengthy page loads.



The functionality and reaction time of your website is crucial to its success, so you should take advantage of any chance you get to make improvements. Understanding the cause of your website’s slow load times can improve both its User Experience (UX) and Search Engine Optimization (SEO), leading to greater visibility and a higher conversion rate.


In this blog, we’ve covered nine typical reasons why websites load slowly. While it’s ideal to optimize your site in each of the ways we’ve listed, focusing on particular areas for improvement, like activating caching or compressing your media files, might help you start by addressing the most important problems.

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