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name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

cctbs.com

3466 ms

background.jpg

600 ms

mt_style.css

566 ms

style.css

650 ms

Menu_func.js

1353 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 64% of them (63 requests) were addressed to the original Cctbs.com, 25% (25 requests) were made to Sysimages.tq.cn and 3% (3 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (16.2 sec) relates to the external source Icon.51.la.

Content Size

358.3 kB

After Optimization

145.2 kB

In fact, the total size of Cctbs.com main page is 358.3 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. 25% of websites need less resources to load. Javascripts take 177.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.0 kB

Original 61.3 kB
After minification 54.3 kB
After compression 10.3 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 7.0 kB, which is 11% 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 51.0 kB or 83% of the original size.

Image Optimization

-20%

Potential reduce by 20.9 kB

Original 106.1 kB
After minification 85.2 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. Obviously, Cctbs needs image optimization as it can save up to 20.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 130.6 kB

Original 177.6 kB
After minification 174.0 kB
After compression 47.0 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 130.6 kB or 74% of the original size.

CSS Optimization

-79%

Potential reduce by 10.6 kB

Original 13.4 kB
After minification 11.5 kB
After compression 2.8 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. Cctbs.com needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cctbs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.