Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

kokoi.cn

深圳朗文版小学英语|koko爱英语|深圳乌龙学院|小学英语|深圳朗文版|深圳英语培训|深圳小学英语|活动手册|小学英语同步课程|英语口语|深圳小学数学|深圳小学语文|koko爱在线学习

Page Load Speed

50.1 sec in total

First Response

4.7 sec

Resources Loaded

45 sec

Page Rendered

342 ms

kokoi.cn screenshot

About Website

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

乌龙学院 “koko爱”是专门为深圳市小学生提供在线学习的网络课堂,学习内容与深圳现行教材完全同步配套,并不定时地根据教材改版而及时更新;“koko爱”网络课堂包含了小学英语、语文、数学等科目的内容,并在不断更新扩大

Visit kokoi.cn

Key Findings

We analyzed Kokoi.cn page load time and found that the first response time was 4.7 sec and then it took 45.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kokoi.cn performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

kokoi.cn

4688 ms

public.css

13261 ms

index.css

1473 ms

logo2.jpg

8576 ms

koko.jpg

8284 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 62% of them (18 requests) were addressed to the original Kokoi.cn, 10% (3 requests) were made to Cdn.b.qq.com and 7% (2 requests) were made to Isdspeed.qq.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Kokoi.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.6 kB (70%)

Content Size

200.2 kB

After Optimization

60.6 kB

In fact, the total size of Kokoi.cn main page is 200.2 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. Javascripts take 141.4 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 7.5 kB

  • Original 11.0 kB
  • After minification 10.0 kB
  • After compression 3.5 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 7.5 kB or 68% of the original size.

Image Optimization

-4%

Potential reduce by 1.4 kB

  • Original 34.5 kB
  • After minification 33.0 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. Kokoi images are well optimized though.

JavaScript Optimization

-87%

Potential reduce by 122.5 kB

  • Original 141.4 kB
  • After minification 65.1 kB
  • After compression 18.9 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 122.5 kB or 87% of the original size.

CSS Optimization

-61%

Potential reduce by 8.2 kB

  • Original 13.4 kB
  • After minification 10.1 kB
  • After compression 5.2 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. Kokoi.cn needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kokoi. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kokoi.cn accessibility score

52

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

kokoi.cn best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

kokoi.cn SEO score

50

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

High

Document uses plugins

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 Kokoi.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 Kokoi.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 Kokoi. 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: