The speed of the website is extremely important. Nobody loves sluggish websites, right? Increasing your website loading speed is always the top issue to bring the best experience for the visitor.

A research from Kissmetrics shows that nearly half of web users expect a website to load within two seconds or less and users tend to leave if website takes more than three seconds to load. Additionally, page loading time is becoming more important factor when it comes to search engine rankings.

Here are the ten factors that affects the website performance

1. Your Internet Connection Speed

The type of your internet connection will directly affect the speed at which any website loads. If  you are one of the person who is still stuck with 3G or any other legacy internet connection, no matter how much the website is optimized, it will take longer time to load.

2. Web hosting and Location of your server

Your website may load slow if you have not hosted the website or web application with the good web hosting provider and the hosting the website in the right location. Server sizing should be done before hosting the website. Few types of hosting servers are Shared hosting, Virtual Private Server, Dedicated servers, etc.

While choosing web hosting company or cloud provider, look for the uptime guarantee of at least 99.5%. If your hosted website has a sluggish server, no matter what improvements you make to boost the speed of loading time, your website will remain sluggish.

3. Number of HTTP Requests

HTTP(s) requests are directly proportional to load time of your website. Meaning, as the number of http(s) requests increase, your loading time also suffers. Multiple scripts can be combined to make them one file. The same can be done for CSS as well. If the multiple files cannot be combined, use inline scripts.

4. File Types and Sizes

Larger the file sizes are, the longer it will take to load in the browser and the more files you have to load on a page. With HTTP/2 protocol, it’s possible to load files in less time but it’s important to optimize the files as much as possible.

You can minify your code (you can minify JavaScript or CSS code at https://www.minifier.org/) and optimize image formats and sizes to keep your files as optimized as possible. (Using tinypng.com, you can compress PNG and JPEG files).

5. Content Delivery Network

Content Delivery Network (CDN) is one of the factors which affects loading speed of a website. Assuming the website server is located in India, visitors from other regions will find the site to load slower than those people who visits sites from India. If you site uses CDN, visitors see content from a nearest location or also known as edge server and not from original server so that latency can be avoided.

6. No Caching

Caching is the process of storing files locally for retrieving them faster for further use. If the content is cached in the browser, it doesn’t make repetitive requests to load the same content. Cache should be used for least modified contents like images, external scripts and other media files. It’s also important to add expiration header to determine how long the cache should be available locally.

7. Browser

The favourite browser we use to view the website can affect the speed at which the site loads. It’s always important to update the browsers or else it may struggle to load certain assets and run the code because they’re not compatible. If you don’t have the browser set to update automatically, make sure that you regularly check for updates to ensure you are running the most current browser version.

8. Number of Redirections

Redirection is requesting a file which in return get rerouted to somewhere else rather than the requested location. Using redirections unnecessarily will negatively affect loading time but at the same time redirections like non-www to www or vice-versa are necessary. Redirect Mapper tools helps you in finding the number of redirections on your website. Analyse the purpose of each redirections and remove them if you find it unnecessary.

9. Malwares

Our suggestion is to download plugins, themes and other dependency scripts from trusted sources and never install the nulled plugins or themes. Nulled plugins and themes may contain malware which creates the backdoor on your server and they add lots of loads to your server.

Always check your website with malware scanners which are available online and take necessary
actions if any malwares are found.

10. Hotlinking

Hotlinking is displaying an image from another server on your website without uploading it. When we copy the URL from another page and paste the same on our site, it exhausts the bandwidth of the third-party site. Assuming this happening to your site, if anyone uses images from your site to display them in their website, your bandwidth quota will be exhausted soon and leading to slow loading of website.

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