Tools & Wizards About Us
chinese-ilab.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

chinese-ilab.com

Free Chinese Lessons, Learn Chinese Online, Speak Mandarin, Chinese Lessons

Page Load Speed

843 ms in total

First Response

101 ms

Resources Loaded

602 ms

Page Rendered

140 ms

chinese-ilab.com screenshot

About Website

Welcome to chinese-ilab.com homepage info - get ready to check Chinese Ilab best content right away, or after learning these important things about chinese-ilab.com

Learn Chinese Online, Speak Chinese, Mandarin,Learn Chinese, Speak Mandarin, Chinese Lessons with mp3 downloads, mp4 video slides

Visit chinese-ilab.com

Key Findings

We analyzed Chinese-ilab.com page load time and found that the first response time was 101 ms and then it took 742 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

chinese-ilab.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value2,060 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

chinese-ilab.com

101 ms

reset.css

24 ms

layout.css

46 ms

type.css

46 ms

lg-bookmark-en.gif

10 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 79% of them (15 requests) were addressed to the original Chinese-ilab.com, 11% (2 requests) were made to S7.addthis.com and 11% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (230 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.8 kB (28%)

Content Size

81.8 kB

After Optimization

59.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Chinese-ilab.com main page is 81.8 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. Images take 59.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.5 kB

  • Original 20.2 kB
  • After minification 19.9 kB
  • After compression 4.7 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 15.5 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 6.8 kB

  • Original 59.1 kB
  • After minification 52.3 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, Chinese Ilab needs image optimization as it can save up to 6.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-19%

Potential reduce by 454 B

  • Original 2.5 kB
  • After minification 2.5 kB
  • After compression 2.0 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. Chinese-ilab.com needs all CSS files to be minified and compressed as it can save up to 454 B or 19% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinese Ilab. According to our analytics all requests are already optimized.

Network Requests Diagram

chinese-ilab.com

chinese-ilab.com

101 ms

reset.css

reset.css

24 ms

layout.css

layout.css

46 ms

type.css

type.css

46 ms

lg-bookmark-en.gif

lg-bookmark-en.gif

10 ms

addthis_widget.js

addthis_widget.js

11 ms

show_ads.js

show_ads.js

230 ms

header.png

header.png

24 ms

navTop.png

navTop.png

24 ms

arrow.gif

arrow.gif

24 ms

terra.gif

terra.gif

67 ms

cam_unmount.png

cam_unmount.png

47 ms

kaboodle.png

kaboodle.png

46 ms

pdf.png

pdf.png

47 ms

squarebanner.gif

squarebanner.gif

48 ms

videoslide.jpg

videoslide.jpg

69 ms

gamequiz.gif

gamequiz.gif

112 ms

adsbygoogle.js

adsbygoogle.js

225 ms

blockHeadline.png

blockHeadline.png

37 ms

Accessibility Review

chinese-ilab.com accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

chinese-ilab.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

chinese-ilab.com SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinese-ilab.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Chinese-ilab.com main page’s claimed encoding is iso-8859-1. 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

chinese-ilab.com

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