Access sfo.ru.

sfo.ru

473 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Sfo.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (473 ms) belongs to the original domain Sfo.ru.

Content Size

912.7 kB

After Optimization

369.8 kB

In fact, the total size of Sfo.ru main page is 912.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 650.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 2.6 kB

Original 3.8 kB
After minification 3.6 kB
After compression 1.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.6 kB or 69% of the original size.

Image Optimization

-8%

Potential reduce by 6.9 kB

Original 85.1 kB
After minification 78.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sfo images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 456.9 kB

Original 650.4 kB
After minification 564.3 kB
After compression 193.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 456.9 kB or 70% of the original size.

CSS Optimization

-44%

Potential reduce by 76.5 kB

Original 173.4 kB
After minification 160.6 kB
After compression 96.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sfo.ru needs all CSS files to be minified and compressed as it can save up to 76.5 kB or 44% of the original size.