Access tencent.com. Tencent 腾讯

name

value

score

weighting

FCP (First Contentful Paint)

Value25.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value64.0 s

0/100

25%

SI (Speed Index)

Value34.5 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value50.8 s

0/100

10%

tencent.com

2579 ms

www.tencent.com

1047 ms

aq_common.js

1986 ms

jquery.min.js

257 ms

js.js

459 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Tencent.com, 14% (10 requests) were made to Static.www.tencent.com and 1% (1 request) were made to Js.aq.qq.com. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Static.www.tencent.com.

Content Size

8.0 MB

After Optimization

7.5 MB

In fact, the total size of Tencent.com main page is 8.0 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. Only a small number of websites need less resources to load. Images take 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 47.0 kB

Original 57.3 kB
After minification 45.9 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 11.4 kB, which is 20% 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 47.0 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 377.3 kB

Original 7.7 MB
After minification 7.3 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. Tencent images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 31.2 kB

Original 143.6 kB
After minification 134.7 kB
After compression 112.4 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 31.2 kB or 22% of the original size.

CSS Optimization

-61%

Potential reduce by 61.5 kB

Original 100.6 kB
After minification 94.2 kB
After compression 39.1 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. Tencent.com needs all CSS files to be minified and compressed as it can save up to 61.5 kB or 61% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tencent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tencent.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Tencent.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

tencent.com

Open Graph description is not detected on the main page of Tencent. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Tencent 腾讯

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tencent.com

www.tencent.com

aq_common.js

jquery.min.js

js.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tencent.com

www.tencent.com

aq_common.js

jquery.min.js

js.js

js-2.js

swiper.min.js

qrcode.js

tencent.js

imgsize.js

yearpicker.js

jquery-throttle-debounce.js

aegis.min.js

base.css

base-2.css

index.css

ten-search.css

yearpicker.css

swiper.min.css

enhancement-base.css

home-new.css

rem.css

rem-2.css

menu_logo.png

banner.jpg

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icon_arrow_r.png

index_detail_1.jpg

index_detail_2.jpg

index_detail_3.jpg

index_link_1_1.jpg

index_link_2_3.jpg

index_link_3_1.jpg

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