Tools & Wizards About Us
v7o.cn screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

v7o.cn

万网代理商_阿里云代理商_云服务器_虚拟主机_网页空间_企业邮箱_域名注册

Page Load Speed

7.5 sec in total

First Response

1 sec

Resources Loaded

6.2 sec

Page Rendered

228 ms

v7o.cn screenshot

About Website

Click here to check amazing V 7 O content for China. Otherwise, check out these important facts you probably never knew about v7o.cn

万网阿里云代理商维启在线(www.v7o.cn)为您提供优质的域名注册,虚拟主机,网页空间,企业邮箱,云服务器等产品。所有产品均可到官网自助管理，专业售后，安全有保障。

Visit v7o.cn

Key Findings

We analyzed V7o.cn page load time and found that the first response time was 1 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

v7o.cn performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

www.v7o.cn

1021 ms

jquery.js

782 ms

pcheck.js

573 ms

pageSwitch.min.js

683 ms

qqjs.js

622 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 88% of them (23 requests) were addressed to the original V7o.cn, 8% (2 requests) were made to Hm.baidu.com and 4% (1 request) were made to Cdn.v7o.cn. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Cdn.v7o.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.0 kB (30%)

Content Size

283.5 kB

After Optimization

197.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of V7o.cn main page is 283.5 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. Only 5% of websites need less resources to load. Images take 180.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 55.6 kB

  • Original 71.4 kB
  • After minification 71.3 kB
  • After compression 15.8 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 55.6 kB or 78% of the original size.

Image Optimization

-15%

Potential reduce by 27.7 kB

  • Original 180.2 kB
  • After minification 152.5 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, V 7 O needs image optimization as it can save up to 27.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 2.8 kB

  • Original 31.9 kB
  • After minification 31.9 kB
  • After compression 29.1 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.

Requests Breakdown

Number of requests can be reduced by 19 (76%)

Requests Now

25

After Optimization

6

  • Images
  • JavaScript

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V 7 O. 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.

Network Requests Diagram

www.v7o.cn

www.v7o.cn

1021 ms

jquery.js

jquery.js

782 ms

pcheck.js

pcheck.js

573 ms

pageSwitch.min.js

pageSwitch.min.js

683 ms

qqjs.js

qqjs.js

622 ms

jzjm.png

jzjm.png

3698 ms

body_bg.gif

body_bg.gif

414 ms

topbg.gif

topbg.gif

412 ms

logo.png

logo.png

487 ms

payway.png

payway.png

436 ms

new02.gif

new02.gif

544 ms

TB1gTNKKH2pK1RjSZFsXXaNlXXa-1600-880.png

TB1gTNKKH2pK1RjSZFsXXaNlXXa-1600-880.png

786 ms

domain_ser.gif

domain_ser.gif

802 ms

wqgzh.jpg

wqgzh.jpg

924 ms

title_bg.gif

title_bg.gif

811 ms

indexdomaingbg.gif

indexdomaingbg.gif

882 ms

tagleft.gif

tagleft.gif

901 ms

tagright.gif

tagright.gif

1135 ms

bg.gif

bg.gif

1141 ms

bg.jpg

bg.jpg

1179 ms

kftop.gif

kftop.gif

1264 ms

kfbutton1.gif

kfbutton1.gif

1293 ms

kfbutton.gif

kfbutton.gif

1300 ms

kfend.gif

kfend.gif

1542 ms

hm.js

hm.js

1567 ms

hm.gif

hm.gif

331 ms

Accessibility Review

v7o.cn accessibility score

47

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

v7o.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

v7o.cn SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise V7o.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that V7o.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

v7o.cn

Open Graph description is not detected on the main page of V 7 O. 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: