Tools & Wizards About Us
iscs.com.cn screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

iscs.com.cn

iscs.com.cn -域名城-精品域名交易中介

Page Load Speed

61.9 sec in total

First Response

17.9 sec

Resources Loaded

43.8 sec

Page Rendered

199 ms

iscs.com.cn screenshot

About Website

Click here to check amazing Iscs content for China. Otherwise, check out these important facts you probably never knew about iscs.com.cn

域名城,精品域名交易中介,域名经纪,域名一口价,域名交易,商标城,domain.cn,国域,guoyu.com

Visit iscs.com.cn

Key Findings

We analyzed Iscs.com.cn page load time and found that the first response time was 17.9 sec and then it took 44 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. Unfortunately, there were 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

iscs.com.cn performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

iscs.com.cn

17932 ms

css.css

19649 ms

jquery-1.7.2.min.js

13210 ms

jquery.easing.1.3.js

2020 ms

jquery.tabPic.js

405 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 79% of them (27 requests) were addressed to the original Iscs.com.cn, 3% (1 request) were made to 0 and 3% (1 request) were made to V1.cnzz.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 79.8 kB (33%)

Content Size

243.7 kB

After Optimization

163.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Iscs.com.cn main page is 243.7 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. Images take 196.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.2 kB

  • Original 26.3 kB
  • After minification 21.1 kB
  • After compression 5.2 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 5.2 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 21.2 kB or 80% of the original size.

Image Optimization

-22%

Potential reduce by 43.0 kB

  • Original 196.6 kB
  • After minification 153.6 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, Iscs needs image optimization as it can save up to 43.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 15.7 kB

  • Original 20.8 kB
  • After minification 15.3 kB
  • After compression 5.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 15.7 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (23%)

Requests Now

22

After Optimization

17

  • Images
  • JavaScript

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iscs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

iscs.com.cn

iscs.com.cn

17932 ms

css.css

css.css

19649 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

13210 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

2020 ms

jquery.tabPic.js

jquery.tabPic.js

405 ms

msclass.js

msclass.js

2162 ms

gh.jpg

gh.jpg

19958 ms

logo.png

logo.png

2681 ms

b_1_1.jpg

b_1_1.jpg

6086 ms

b_1_w2.png

b_1_w2.png

1288 ms

b_1_3.jpg

b_1_3.jpg

19956 ms

b_1_2.jpg

b_1_2.jpg

12948 ms

b_2_1.jpg

b_2_1.jpg

11943 ms

b_2_w2.png

b_2_w2.png

3763 ms

b_2_3.jpg

b_2_3.jpg

19183 ms

b_2_2.jpg

b_2_2.jpg

19954 ms

tit_aboutus.jpg

tit_aboutus.jpg

8286 ms

23215152.jpg

23215152.jpg

16105 ms

tit_news.jpg

tit_news.jpg

12815 ms

h_product.jpg

h_product.jpg

15013 ms

h_case.jpg

h_case.jpg

15823 ms

h_contact.jpg

h_contact.jpg

15966 ms

icon_weixin.jpg

icon_weixin.jpg

19953 ms

10950260.jpg

10950260.jpg

19939 ms

222.png

222.png

19939 ms

333.png

333.png

19939 ms

b_1.jpg

b_1.jpg

19938 ms

b_2.jpg

b_2.jpg

19939 ms

z_stat.php

z_stat.php

1396 ms

stat.htm

stat.htm

175 ms

core.php

core.php

732 ms

9.gif

9.gif

2791 ms

pic1.gif

pic1.gif

1775 ms

app.gif

app.gif

933 ms

Accessibility Review

iscs.com.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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

iscs.com.cn best practices score

75

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

SEO Factors

iscs.com.cn SEO score

83

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Iscs.com.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 Iscs.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

iscs.com.cn

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