Tools & Wizards About Us
examcoo.com screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

examcoo.com

考试酷(examcoo)-永久免费的电子作业与在线考试系统云平台

Page Load Speed

9.9 sec in total

First Response

1.1 sec

Resources Loaded

8.6 sec

Page Rendered

94 ms

examcoo.com screenshot

About Website

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

考试酷网站是由广州创讯软件有限公司开发和运营的一个永久免费的在线考试系统,网络考试系统,提供在线考试,电子作业,自测练习和模拟考试,智能组卷,试卷分享,试题库等考试系统和考试相关服务.

Visit examcoo.com

Key Findings

We analyzed Examcoo.com page load time and found that the first response time was 1.1 sec and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

examcoo.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

examcoo.com

1125 ms

www.examcoo.com

2189 ms

v8_h.css

2330 ms

require.js

2384 ms

v1_3e.jpg

3110 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 20% of them (2 requests) were addressed to the original Examcoo.com, 80% (8 requests) were made to Img.examcoo.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Img.examcoo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.3 kB (76%)

Content Size

59.9 kB

After Optimization

14.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Examcoo.com main page is 59.9 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. 15% of websites need less resources to load. CSS take 26.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 14.7 kB

  • Original 20.4 kB
  • After minification 20.4 kB
  • After compression 5.7 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 14.7 kB or 72% of the original size.

Image Optimization

-70%

Potential reduce by 8.6 kB

  • Original 12.2 kB
  • After minification 3.6 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, Examcoo needs image optimization as it can save up to 8.6 kB or 70% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 139 B

  • Original 318 B
  • After minification 318 B
  • After compression 179 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 139 B or 44% of the original size.

CSS Optimization

-81%

Potential reduce by 21.8 kB

  • Original 26.9 kB
  • After minification 26.9 kB
  • After compression 5.1 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. Examcoo.com needs all CSS files to be minified and compressed as it can save up to 21.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Examcoo. According to our analytics all requests are already optimized.

Network Requests Diagram

examcoo.com

examcoo.com

1125 ms

www.examcoo.com

www.examcoo.com

2189 ms

v8_h.css

v8_h.css

2330 ms

require.js

require.js

2384 ms

v1_3e.jpg

v1_3e.jpg

3110 ms

v1_3w.png

v1_3w.png

2075 ms

v1_1n.png

v1_1n.png

701 ms

v1_1l.png

v1_1l.png

456 ms

build-chart.js

build-chart.js

471 ms

jquery.js

jquery.js

2425 ms

Accessibility Review

examcoo.com accessibility score

71

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

Best Practices

examcoo.com 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

examcoo.com SEO score

87

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Examcoo.com 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 Examcoo.com 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

examcoo.com

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