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721.cn screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

721.cn

麦克企业提供专业的-劳务派遣服务,劳务外包服务,劳务服务,人力资源外包服务,临时工外包,人事代理,生产线外包服务,人事外包服务,临时工服务,装卸工

Page Load Speed

3.8 sec in total

First Response

776 ms

Resources Loaded

3 sec

Page Rendered

69 ms

721.cn screenshot

About Website

Welcome to 721.cn homepage info - get ready to check 721 best content right away, or after learning these important things about 721.cn

麦克企业长期致力于为用人单位提供劳务外包、劳务派遣、临时用工外包服务、劳动法律咨询等、以及人事代理、人事外包、人力资源服务外包等专业人事服务。为企业提高用工管理、控制人力资源成本、合理减少用工风险。欢迎咨询。

Visit 721.cn

Key Findings

We analyzed 721.cn page load time and found that the first response time was 776 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

721.cn performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

721.cn

776 ms

dedecms.css

221 ms

pic_scroll.js

440 ms

layout.css

230 ms

page.css

433 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original 721.cn, 8% (1 request) were made to Cdn.staticfile.org and 8% (1 request) were made to Cdn.staticfile.net. The less responsive or slowest element that took the longest time to load (879 ms) relates to the external source Cdn.staticfile.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.1 kB (46%)

Content Size

28.6 kB

After Optimization

15.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 721.cn main page is 28.6 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 10% of websites need less resources to load. HTML takes 10.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 8.0 kB

  • Original 10.2 kB
  • After minification 7.4 kB
  • After compression 2.1 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. This page needs HTML code to be minified as it can gain 2.8 kB, which is 27% 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 8.0 kB or 79% of the original size.

Image Optimization

-27%

Potential reduce by 2.2 kB

  • Original 8.1 kB
  • After minification 5.9 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, 721 needs image optimization as it can save up to 2.2 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 606 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 728 B

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 606 B or 45% of the original size.

CSS Optimization

-25%

Potential reduce by 2.3 kB

  • Original 9.0 kB
  • After minification 9.0 kB
  • After compression 6.8 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. 721.cn needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 25% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 721. According to our analytics all requests are already optimized.

Network Requests Diagram

721.cn

721.cn

776 ms

dedecms.css

dedecms.css

221 ms

pic_scroll.js

pic_scroll.js

440 ms

layout.css

layout.css

230 ms

page.css

page.css

433 ms

jquery.min.js

jquery.min.js

879 ms

jquery.min.js

jquery.min.js

426 ms

main.png

main.png

244 ms

nav-bg.gif

nav-bg.gif

226 ms

search-bg.png

search-bg.png

217 ms

search-bg.gif

search-bg.gif

221 ms

search-tags-title.gif

search-tags-title.gif

427 ms

mbox-tbg.png

mbox-tbg.png

430 ms

Accessibility Review

721.cn accessibility score

67

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Form elements do not have associated labels

Best Practices

721.cn best practices score

67

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

SEO Factors

721.cn SEO score

67

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    >

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 721.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 721.cn main page’s claimed encoding is >. 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

721.cn

Open Graph description is not detected on the main page of 721. 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: