Access dedecn.com. 德语德国网站——德语学习，德国信息交流专业门户网站

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

dedecn.com

257 ms

base.css

73 ms

index.css

127 ms

jquery-1.7.2.min.js

231 ms

stats

317 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Dedecn.com, 4% (1 request) were made to Tajs.qq.com. The less responsive or slowest element that took the longest time to load (317 ms) relates to the external source Tajs.qq.com.

Content Size

301.2 kB

After Optimization

241.2 kB

In fact, the total size of Dedecn.com main page is 301.2 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. 20% of websites need less resources to load. Images take 216.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.3 kB

Original 41.3 kB
After minification 35.5 kB
After compression 8.0 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 5.8 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 33.3 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 24.7 kB

Original 216.5 kB
After minification 191.8 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, Dedecn needs image optimization as it can save up to 24.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 1.4 kB

Original 39.0 kB
After minification 39.0 kB
After compression 37.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 631 B

Original 4.4 kB
After minification 4.4 kB
After compression 3.8 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. Dedecn.com needs all CSS files to be minified and compressed as it can save up to 631 B or 14% of the original size.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dedecn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.