Access cctv.com. 央视网_世界就在眼前

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

cctv.com

644 ms

www.cctv.com

109 ms

index_chanjing.css

111 ms

jquery-1.7.2.min.js

238 ms

echo.js

614 ms

Our browser made a total of 207 requests to load all elements on the main page. We found that 7% of them (15 requests) were addressed to the original Cctv.com, 30% (63 requests) were made to P2.img.cctvpic.com and 22% (46 requests) were made to P1.img.cctvpic.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Time.tv.cctv.com.

Content Size

3.6 MB

After Optimization

3.0 MB

In fact, the total size of Cctv.com main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 290.4 kB

Original 349.5 kB
After minification 326.0 kB
After compression 59.1 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 290.4 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 152.5 kB

Original 2.6 MB
After minification 2.5 MB

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. Cctv images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 68.4 kB

Original 440.2 kB
After minification 435.5 kB
After compression 371.8 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 68.4 kB or 16% of the original size.

CSS Optimization

-77%

Potential reduce by 132.5 kB

Original 171.1 kB
After minification 150.6 kB
After compression 38.6 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. Cctv.com needs all CSS files to be minified and compressed as it can save up to 132.5 kB or 77% of the original size.

Requests Now

204

After Optimization

144

The browser has sent 204 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cctv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.