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sy19.net

782 ms

display.js

747 ms

metinfo.css

236 ms

public.js

655 ms

jquery-1.4.2.min.js

661 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 87% of them (33 requests) were addressed to the original Sy19.net, 8% (3 requests) were made to Polysciences.com.cn and 3% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Sy19.net.

Content Size

937.0 kB

After Optimization

873.2 kB

In fact, the total size of Sy19.net main page is 937.0 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. 50% of websites need less resources to load. Images take 852.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 27.3 kB

Original 33.9 kB
After minification 28.0 kB
After compression 6.5 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 5.9 kB, which is 17% 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 27.3 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 852.0 kB
After minification 852.0 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. Sy 19 images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 2.3 kB

Original 16.9 kB
After minification 16.9 kB
After compression 14.6 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 2.3 kB or 14% of the original size.

CSS Optimization

-99%

Potential reduce by 34.1 kB

Original 34.3 kB
After minification 320 B
After compression 178 B

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. Sy19.net needs all CSS files to be minified and compressed as it can save up to 34.1 kB or 99% of the original size.

Requests Now

After Optimization

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sy 19. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.