Tools & Wizards About Us
italki.cn screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

italki.cn

爱拓奇 italki - Learn 150+ foreign languages with professional teachers online

Page Load Speed

11.6 sec in total

First Response

472 ms

Resources Loaded

10.7 sec

Page Rendered

466 ms

italki.cn screenshot

About Website

Click here to check amazing Italki content for China. Otherwise, check out these important facts you probably never knew about italki.cn

italki is the best language learning community. Here you can learn over 150 languages like English, Spanish, French, Chinese, etc. with professional online tutors.

Visit italki.cn

Key Findings

We analyzed Italki.cn page load time and found that the first response time was 472 ms and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

italki.cn performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value3,690 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

italki.cn

472 ms

www.italki.cn

3849 ms

polyfills-c67a75d1b6f99dc8.js

2391 ms

79969.24496c3b9a50e586.js

3167 ms

21753.8b4c47c99e97f51d.js

3010 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Italki.cn, 90% (72 requests) were made to Scdn.italki.cn and 4% (3 requests) were made to Ofs-cdn.italki.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Scdn.italki.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 543.0 kB (21%)

Content Size

2.6 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Italki.cn main page is 2.6 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. 50% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 541.6 kB

  • Original 631.9 kB
  • After minification 631.6 kB
  • After compression 90.3 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 541.6 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 134 B

  • Original 900.9 kB
  • After minification 900.8 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. Italki images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 1.1 MB

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 63 (84%)

Requests Now

75

After Optimization

12

  • Images
  • JavaScript

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Italki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

italki.cn

italki.cn

472 ms

www.italki.cn

www.italki.cn

3849 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

2391 ms

79969.24496c3b9a50e586.js

79969.24496c3b9a50e586.js

3167 ms

21753.8b4c47c99e97f51d.js

21753.8b4c47c99e97f51d.js

3010 ms

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4e398e18-f03dca14518a4a51.js

3224 ms

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3066 ms

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3957 ms

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88 ms

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1618 ms

_buildManifest.js

_buildManifest.js

1635 ms

_ssgManifest.js

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1649 ms

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2204 ms

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2012 ms

english.svg

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1648 ms

japanese.svg

japanese.svg

1808 ms

spanish.svg

spanish.svg

1872 ms

german.svg

german.svg

1757 ms

french.svg

french.svg

1752 ms

italian.svg

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1804 ms

chinese.svg

chinese.svg

1847 ms

all.svg

all.svg

1769 ms

footer-beian.png

footer-beian.png

1817 ms

Accessibility Review

italki.cn accessibility score

78

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

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

italki.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

italki.cn SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Italki.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Italki.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

italki.cn

Open Graph data is detected on the main page of Italki. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: