Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

icoa.cn

逍遥峡谷 - 星际中心超自然局(I.C.O.A)·地球总部

Page Load Speed

30.7 sec in total

First Response

1.2 sec

Resources Loaded

29.3 sec

Page Rendered

150 ms

About Website

Click here to check amazing I C O A content for China. Otherwise, check out these important facts you probably never knew about icoa.cn

逍遥峡谷是星际中心超自然局·地球总部,收集地球上的超自然能力和知识,包括电脑应用技巧、ASP技术、PHP学习和应用、网站推广优化、SEO、问题解决、广告传播与设计、骗局辟谣、经典新闻或搞笑故事等!

Visit icoa.cn

Key Findings

We analyzed Icoa.cn page load time and found that the first response time was 1.2 sec and then it took 29.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

icoa.cn performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value680 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

icoa.cn

1211 ms

www.icoa.cn

6724 ms

public.css

1311 ms

jquery-1.2.6.pack.js

1773 ms

styleswitch.js

946 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 13% of them (7 requests) were addressed to the original Icoa.cn, 18% (10 requests) were made to V1.jiathis.com and 13% (7 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (15.8 sec) relates to the external source Tajs.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.3 kB (61%)

Content Size

578.6 kB

After Optimization

224.3 kB

In fact, the total size of Icoa.cn main page is 578.6 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. 30% of websites need less resources to load. Javascripts take 390.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 49.4 kB

  • Original 63.9 kB
  • After minification 62.3 kB
  • After compression 14.5 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 49.4 kB or 77% of the original size.

Image Optimization

-34%

Potential reduce by 22.3 kB

  • Original 65.9 kB
  • After minification 43.6 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, I C O A needs image optimization as it can save up to 22.3 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 232.1 kB

  • Original 390.7 kB
  • After minification 385.5 kB
  • After compression 158.6 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 232.1 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 50.5 kB

  • Original 58.1 kB
  • After minification 53.2 kB
  • After compression 7.6 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. Icoa.cn needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (60%)

Requests Now

48

After Optimization

19

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I C O A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

icoa.cn accessibility score

78

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.

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

High

Image elements do not have [alt] attributes

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

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

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

Best Practices

icoa.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

SEO Factors

icoa.cn SEO score

91

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

    GB2312

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

Open Graph description is not detected on the main page of I C O A. 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: