How to increase the page loading speed?

Fast download speed is extremely important. It improves the user experience, increase conversion rates, user involvement, and even raises the site in search results. Especially important, it gets when it comes to mobile traffic. After all, no one wants to go from a smartphone to a page that weighs 4 MB, and wait for it to boot forever.

How fast should download speed?

1 second – great.

2-3 seconds – very good.

4-7 seconds – okay, but there is room to grow.

8-10 seconds – bad.

11 seconds or more – awful start to sound the alarm, because funneling huge amounts of money right out from under your nose.

According to a study Strangeloop, during which has been tested download speed 2000 top online stores, the average download speed of commercial sites is 10 seconds. You might ask: “Why should we have to improve the speed of loading your site, even if the top online stores are loaded so long?” And here is the answer:

57% of visitors leave the page that is loaded more than 3 seconds.

In those moments, when the site slows down due to the large amount of traffic, over 75% of online shoppers prefer to go to the competitor’s site.

2 seconds – about as many will wait patiently until the user until the information is displayed. Adding an element such as a “progress bar” can extend the time up to his expectations 38 seconds.

The site, which is loaded for 3 seconds has 22% fewer views, 50% more failures and 22% conversion less than a site which is loaded one second. The site, which is loaded 5 seconds, has an even worse performance – 35% less than the display on 105% more failures and 38% less than the conversion.

8% of people believe that the main reason for their departure from the site is slow loading pages.

Services, with which you can test the download speed:


Google PageSpeed ​​insights


Please note, these services will not be able to solve your problems. Their main function – to analyze the download speed. All further action must come precisely from you.


The faster loading site, the better conversion


To verify this, examine the following research results:


Aberdeen Group Research has shown that as a result of delays in the second one the number of views is reduced (by 11%), the percentage of audience satisfaction (16%), and the conversion rate (7%).

Company Shopzilla increased site speed for 5 seconds, and thereby increase the conversion to 12%

By reducing the loading time of their landing pages, the Mozilla was able to increase the number of downloads by 15.4%, leading to 60 million additional downloads.

85% of mobile users expect websites to be loaded as fast as your computer. Not getting the same result, they leave the site.



If you’re wondering how much your company could earn if the download speed of your site would more use calculator companies Tagman (in English). Perhaps the specific numbers will be for you the best stimulus to action.


5 ways to increase the download speed


So, what can be done to speed up the loading of the site:


  1. Reduce the size of pages


Too “heavy” content long time to load. By reducing the size of the pages, you will automatically increase the speed of its download. Additionally, you save money if the hosting provider charges you a fee for traffic.


To reduce the size of the pages in the first place, use data compression protocol HTTP. This reduces the size of the text resources, including elements of HTML, CSS, and JavaScript, by 50% or more. For data compression protocol used HTPP technology zip, gzip, and others.


To reduce the size of the pages, ask your hosting provider or server administrator to enable the data compression protocol HTPP. To evaluate the effect obtained, use one of the services of compression test, for example, here this . If the server administrator did everything correctly, you should see something like the following picture:


  1. Reduce the “weight” of the graphics


Graphics are often 80% or more of total pages. Therefore it is very important to optimize the published photos . The following tips will help you reduce the size of the image by 50% or more:


Share photos in JPEG, avoid format PNG. The JPEG format lets you highly compress image without losing quality. For example, on the date of Windows 8, Microsoft has published on the front page photo in the format PNG, «weight” which amounted to 1 MB. Photos of similar quality in JPEG format has a size of approximately 140 KB.

Do not abuse the use of the PNG format to ensure transparency graphics. The effect of transparency – it is very beautiful, but not always functional.

Correctly choose quality images in JPEG. By reducing the quality of the photo by 25-50%, you hardly notice the difference compared with the original image. The “weight” of the illustrations significantly reduced.

Clean the image files from the digital collection. Various photo editors, which probably enjoys your designer is left in a file many different data, such as comments, the working version of the image, unused palette, etc. This digital waste does not need your readers. To clear the file, use the services Pngcrush , or .

By reducing the “weight” pictures, try to keep the aesthetic appeal of the site. Users and search engines value more visually appealing resources.


  1. Simplify JavaScript and CSS


Using special tools to simplify the JavaScript and CSS reduces the “weight” of the respective elements is stronger than standard compression technologies, eg, gzip. Services simplify the code is removed from the unnecessary elements, as well as reduce the function names.


To simplify the code elements of JavaScript and CSS, use the software or online services, for example, Online Javascript Compression Tool or Online JavaScript / CSS Compression .


  1. Reduce the number of requests the browser


The more requests the reader sends the browser when the page is loaded, the slower it is loaded. To reduce download time, you need to create the conditions under which browser sends requests as low as possible. This can be achieved by reducing the number of photos, files, JavaScript, code-party resources and services, etc.


Have you ever wondered why Google home page looks like this ascetic? Probably one of the reasons is the desire of developers to increase the speed of loading.


  1. Reduce the distance between the site and the users


If the server of your hosting provider is located in Vladivostok, visitors from St. Petersburg will have to be patient, waiting for page loads. This issue is particularly relevant for sites with a “heavy” content that users visit physically deleted from the server over long distances. To solve this problem, use a content delivery network (CDN), for example, Amazon CloudFront and Akamai.


Using CDN, you will automatically change the URL of your photo, CSS- and JavaScript-files on When a user comes to your site, CDN loads it “heavy” elements from your server physically located closest to the visitor.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>