Access vivo.com.cn. vivo智能手机官方网站

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

vivo.com.cn

600 ms

vivo.com.cn

930 ms

www.vivo.com.cn

1349 ms

common-base_68f4610.css

441 ms

index_680f3b2.css

512 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Vivo.com.cn, 75% (80 requests) were made to Wwwstatic.vivo.com.cn and 11% (12 requests) were made to Wwwresstatic.vivo.com.cn. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Vivo.com.cn.

Content Size

4.7 MB

After Optimization

4.0 MB

In fact, the total size of Vivo.com.cn main page is 4.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 90.8 kB

Original 112.8 kB
After minification 112.8 kB
After compression 22.1 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 90.8 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 334.6 kB

Original 4.3 MB
After minification 4.0 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. Vivo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

Original 4.3 kB
After minification 4.3 kB
After compression 4.3 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

-88%

Potential reduce by 252.8 kB

Original 288.4 kB
After minification 287.9 kB
After compression 35.6 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. Vivo.com.cn needs all CSS files to be minified and compressed as it can save up to 252.8 kB or 88% of the original size.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vivo. 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.

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

[id] attributes on active, focusable elements are not unique

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

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

Browser errors were logged to the console

Search Engine Optimization Advices

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

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vivo.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Vivo.com.cn 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

vivo.com.cn

Open Graph description is not detected on the main page of Vivo. 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

vivo智能手机官方网站 - S50系列 长焦Live神器

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

vivo.com.cn

vivo.com.cn

www.vivo.com.cn

common-base_68f4610.css

index_680f3b2.css

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

vivo.com.cn

vivo.com.cn

www.vivo.com.cn

common-base_68f4610.css

index_680f3b2.css

index_v4_1f0fbb4.css

jweixin-1.6.0.js

common_c26fe19.js

jWeiwo_be9aca3.js

lib_3838c4f.js

buryingPoint_a50e200.js

index.pack_1ac7bff.js

index_v4.pack_2137deb.js

8ee61523944751fcc57caf846f9b3e5e.jpg

79b524f64c6cfd431fc1d266533dbddb.svg

Header-icon-pc_ed5eab6.ttf

back-top_860082e.svg

iconfont_3339f3c.woff

cookie

status

flyHeart

hm.js

vmonitor.min.js

flyHeart

flyHeart

vivo-h5-sdk.3510.js

flyHeart

flyHeart

hm.gif

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vivo智能手机官方网站 - S50系列长焦Live神器