Report Summary

  • 0

    Performance

  • 86

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

coft.cn

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Page Load Speed

55.6 sec in total

First Response

17.1 sec

Resources Loaded

37.1 sec

Page Rendered

1.4 sec

coft.cn screenshot

About Website

Visit coft.cn now to see the best up-to-date Coft content for China and also check out these interesting facts you probably never knew about coft.cn

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Key Findings

We analyzed Coft.cn page load time and found that the first response time was 17.1 sec and then it took 38.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

coft.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

coft.cn

17114 ms

common.js

1522 ms

index.js

595 ms

pic.js

3643 ms

left_goodslist.js

730 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 99% of them (118 requests) were addressed to the original Coft.cn, 1% (1 request) were made to Wpa.qq.com. The less responsive or slowest element that took the longest time to load (17.1 sec) belongs to the original domain Coft.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 604.9 kB (47%)

Content Size

1.3 MB

After Optimization

687.5 kB

In fact, the total size of Coft.cn main page is 1.3 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. 20% of websites need less resources to load. Images take 676.7 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 166.2 kB

  • Original 181.4 kB
  • After minification 137.0 kB
  • After compression 15.2 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 44.4 kB, which is 24% 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 166.2 kB or 92% of the original size.

Image Optimization

-12%

Potential reduce by 78.4 kB

  • Original 676.7 kB
  • After minification 598.3 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, Coft needs image optimization as it can save up to 78.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 225.0 kB

  • Original 277.2 kB
  • After minification 178.7 kB
  • After compression 52.2 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 225.0 kB or 81% of the original size.

CSS Optimization

-86%

Potential reduce by 135.3 kB

  • Original 157.0 kB
  • After minification 111.8 kB
  • After compression 21.8 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. Coft.cn needs all CSS files to be minified and compressed as it can save up to 135.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (9%)

Requests Now

116

After Optimization

105

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

coft.cn accessibility score

86

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

Best Practices

coft.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

coft.cn SEO score

58

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coft.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 Coft.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

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