Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ntoefl.com.cn

北京环球北美考试院【官方网站】|北京托福培训班|北京托福培训

Page Load Speed

18.2 sec in total

First Response

754 ms

Resources Loaded

16.9 sec

Page Rendered

527 ms

About Website

Welcome to ntoefl.com.cn homepage info - get ready to check Ntoefl best content for China right away, or after learning these important things about ntoefl.com.cn

北京市海淀区环球雅思培训学校所属环球教育（以下均称：环球教育），是中国专注于提供海外出国语言培训的领先机构之一，拥有近23年丰富的行业经验，致力于为年轻人提供从游学考察、考前培训、出国咨询直至模拟课堂的一站式服务。

Visit ntoefl.com.cn

Key Findings

We analyzed Ntoefl.com.cn page load time and found that the first response time was 754 ms and then it took 17.5 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

ntoefl.com.cn performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value25.5 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.812

4/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

ntoefl.com.cn

754 ms

210125index.css

218 ms

api

695 ms

tf_bdtj.js

678 ms

package.js

434 ms

Our browser made a total of 181 requests to load all elements on the main page. We found that 43% of them (78 requests) were addressed to the original Ntoefl.com.cn, 16% (29 requests) were made to Api.map.baidu.com and 9% (17 requests) were made to File2.gedu.org. The less responsive or slowest element that took the longest time to load (14.8 sec) relates to the external source File2.gedu.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 826.3 kB (18%)

Content Size

4.7 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ntoefl.com.cn main page is 4.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 115.3 kB

  • Original 140.4 kB
  • After minification 121.4 kB
  • After compression 25.1 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. This page needs HTML code to be minified as it can gain 19.0 kB, which is 14% 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 115.3 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 189.4 kB

  • Original 3.3 MB
  • After minification 3.1 MB

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. Ntoefl images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 516.4 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 713.1 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 516.4 kB or 42% of the original size.

CSS Optimization

-16%

Potential reduce by 5.2 kB

  • Original 32.3 kB
  • After minification 32.3 kB
  • After compression 27.1 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. Ntoefl.com.cn needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (28%)

Requests Now

178

After Optimization

129

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 178 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ntoefl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ntoefl.com.cn accessibility score

75

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

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

ntoefl.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ntoefl.com.cn SEO score

92

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

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 Ntoefl.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 Ntoefl.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 Ntoefl. 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: