Access ieltschn.com. 雅思(IELTS)-全程雅思学习-雅思中国网

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

www.ieltschn.com

699 ms

bootstrap.min.css

443 ms

bootstrap-theme.min.css

438 ms

datepicker.css

440 ms

style.css

441 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 51% of them (32 requests) were addressed to the original Ieltschn.com, 14% (9 requests) were made to Googleads.g.doubleclick.net and 10% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Hm.baidu.com.

Content Size

1.4 MB

After Optimization

841.4 kB

In fact, the total size of Ieltschn.com main page is 1.4 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. 55% of websites need less resources to load. Javascripts take 940.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 63.4 kB

Original 75.4 kB
After minification 58.4 kB
After compression 12.0 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 17.0 kB, which is 23% 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 63.4 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 58.3 kB

Original 322.4 kB
After minification 264.1 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, IELTS Chn needs image optimization as it can save up to 58.3 kB or 18% 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 414.3 kB

Original 940.5 kB
After minification 916.7 kB
After compression 526.2 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 414.3 kB or 44% of the original size.

CSS Optimization

-29%

Potential reduce by 15.9 kB

Original 55.0 kB
After minification 54.1 kB
After compression 39.1 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. Ieltschn.com needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 29% of the original size.

Requests Now

After Optimization

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IELTS Chn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Ieltschn.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 Ieltschn.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

ieltschn.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

雅思(IELTS)-全程雅思学习-雅思中国网

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.ieltschn.com

bootstrap.min.css

bootstrap-theme.min.css

datepicker.css

style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.ieltschn.com

bootstrap.min.css

bootstrap-theme.min.css

datepicker.css

style.css

theme_ielts.css

index.css

slick.css

jquery.min.js

bootstrap.min.js

bootstrap-datepicker.js

slick.js

collect_layer.js

waterfall.js

app.js

style_zhan.css

weblogin.js

adsbygoogle.js

smallb20d8033f26d60c986706c7e6a3cc1461516582721.jpg

logo_ielts.png

1363566_201604151556571wWWs.jpg

20160508170301.png

nqx8bqixlA1tubinno1_1280.jpg

follow_icon_0.png

follow_arrow.png

follow_code.png

nopic.jpg

1.jpg

2.jpg

3.jpg

4.jpg

5.jpg

6.jpg

small0ed685c6740811e888b9e228af6345501516753834.jpg

smallaec707475bfcfe5cc5b1634e28cf184a1517273033.jpg

small974dc89b01970ec33bc680fa8fb9369e1464866379.jpg

hm.js

icomoon.woff

show_ads_impl.js

zrt_lookup.html

ads

reactive_library.js

ads