Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

itkt.com.cn

【TESOL中国总部官网】TESOL证书-TESOL考试报名官网!TESOL国际英语教师资格证!TESOL China

Page Load Speed

19.5 sec in total

First Response

956 ms

Resources Loaded

18.3 sec

Page Rendered

205 ms

itkt.com.cn screenshot

About Website

Click here to check amazing Itkt content. Otherwise, check out these important facts you probably never knew about itkt.com.cn

TESOL中国官网-TESOL in China 唯一总部机构和首席代表官网。TESOL证书是英语教师们的不二之选。TESOL证书国际认可,全球通用。TESOL全球公认的ESL教师资格证书。TESOL证书有效性和权威性在世界范围内得到广泛认可。

Visit itkt.com.cn

Key Findings

We analyzed Itkt.com.cn page load time and found that the first response time was 956 ms and then it took 18.6 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

itkt.com.cn performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.4 s

0/100

25%

SI (Speed Index)

Value24.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

itkt.com.cn

956 ms

www.itkt.com

2207 ms

common.css

461 ms

index.css

1649 ms

validate.css

2158 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Itkt.com.cn, 78% (68 requests) were made to Itkt.com and 11% (10 requests) were made to Pavo.elongstatic.com. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Pavo.elongstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.6 kB (22%)

Content Size

708.5 kB

After Optimization

550.8 kB

In fact, the total size of Itkt.com.cn main page is 708.5 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. Images take 462.9 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 147.9 kB

  • Original 232.9 kB
  • After minification 218.7 kB
  • After compression 85.1 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 147.9 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 462.9 kB
  • After minification 461.0 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. Itkt images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 7.9 kB

  • Original 12.7 kB
  • After minification 12.7 kB
  • After compression 4.8 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 7.9 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (50%)

Requests Now

84

After Optimization

42

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itkt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

itkt.com.cn accessibility score

68

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

Links do not have a discernible name

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

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

itkt.com.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

itkt.com.cn SEO score

92

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

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 Itkt.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 Itkt.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

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