Access deepsky.ru. DeepSky — телескопы, продажа телескопов, окуляр, рефрактор, бинокуляр, монтировка, монтеровка, линза...

deepsky.ru

921 ms

style.css

645 ms

highslide.css

658 ms

validationEngine.jquery.css

265 ms

jquery-1.6.min.js

937 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that all of those requests were addressed to Deepsky.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Deepsky.ru.

Content Size

526.3 kB

After Optimization

296.1 kB

In fact, the total size of Deepsky.ru main page is 526.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 280.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 27.1 kB

Original 31.8 kB
After minification 27.3 kB
After compression 4.7 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 27.1 kB or 85% of the original size.

Image Optimization

-17%

Potential reduce by 46.6 kB

Original 280.7 kB
After minification 234.0 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. Obviously, Deep Sky needs image optimization as it can save up to 46.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 141.2 kB

Original 195.2 kB
After minification 154.4 kB
After compression 54.0 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 141.2 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 15.3 kB

Original 18.7 kB
After minification 14.4 kB
After compression 3.3 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. Deepsky.ru needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deep Sky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.