Tools & Wizards About Us
italki.cn screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    56% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

italki.cn

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

Page Load Speed

12.5 sec in total

First Response

817 ms

Resources Loaded

10.6 sec

Page Rendered

1.1 sec

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 817 ms and then it took 11.7 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

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

italki.cn

817 ms

en

2112 ms

polyfills-b69b38e0e606287ba003.js

1263 ms

6245.58c313065cdc0578e66e.js

1878 ms

2240.97eccf08fa05d71208a3.js

1854 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Italki.cn, 92% (45 requests) were made to Scdn.italki.cn and 2% (1 request) were made to Ofs-cdn.italki.cn. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Scdn.italki.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 519.8 kB (71%)

Content Size

727.8 kB

After Optimization

208.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Italki.cn main page is 727.8 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. 45% of websites need less resources to load. HTML takes 604.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 519.8 kB

  • Original 604.3 kB
  • After minification 604.1 kB
  • After compression 84.5 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 519.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 111.8 kB
  • After minification 111.8 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 38 B

  • Original 11.8 kB
  • After minification 11.8 kB
  • After compression 11.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 40 (91%)

Requests Now

44

After Optimization

4

  • Images
  • JavaScript

The browser has sent 44 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 41 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

italki.cn

italki.cn

817 ms

en

en

2112 ms

polyfills-b69b38e0e606287ba003.js

polyfills-b69b38e0e606287ba003.js

1263 ms

6245.58c313065cdc0578e66e.js

6245.58c313065cdc0578e66e.js

1878 ms

2240.97eccf08fa05d71208a3.js

2240.97eccf08fa05d71208a3.js

1854 ms

commons-2722f228e528279a8fea.js

commons-2722f228e528279a8fea.js

2049 ms

6823-aacf7f6dc95c3c3b82c2.js

6823-aacf7f6dc95c3c3b82c2.js

1860 ms

1033-324868806678a02deb4a.js

1033-324868806678a02deb4a.js

1992 ms

1367-ecafefbdc3d5dc47edc3.js

1367-ecafefbdc3d5dc47edc3.js

2206 ms

4109-15029f15b1ac390edcfb.js

4109-15029f15b1ac390edcfb.js

2053 ms

9725-ee290e94dadb9bb6d8ee.js

9725-ee290e94dadb9bb6d8ee.js

2062 ms

4192-a5fb518d3a6140301981.js

4192-a5fb518d3a6140301981.js

2083 ms

7210-76027526b0e13755d4ef.js

7210-76027526b0e13755d4ef.js

2198 ms

5674.1c44b140d9941a498b08.js

5674.1c44b140d9941a498b08.js

2263 ms

3036.9d14b658eb1e82c73158.js

3036.9d14b658eb1e82c73158.js

2252 ms

9399.660c481d2e0c85986475.js

9399.660c481d2e0c85986475.js

2290 ms

5258-4c2acd4fc15a5a1a6602.js

5258-4c2acd4fc15a5a1a6602.js

2288 ms

2074-6a0aa1085271d70f0215.js

2074-6a0aa1085271d70f0215.js

2413 ms

3209-1479ea65801c7bd8718c.js

3209-1479ea65801c7bd8718c.js

2726 ms

7207-a2aea8e521a0f6a56824.js

7207-a2aea8e521a0f6a56824.js

2455 ms

8970.1b8ec91d58f25b710474.js

8970.1b8ec91d58f25b710474.js

2461 ms

9466.16e43199f6819b45933f.js

9466.16e43199f6819b45933f.js

2491 ms

2098.6e696529c9902a254d6a.js

2098.6e696529c9902a254d6a.js

2496 ms

1870-2a3f0c8ae726e6010944.js

1870-2a3f0c8ae726e6010944.js

2626 ms

3825.d02d459113b55f5b640a.js

3825.d02d459113b55f5b640a.js

2646 ms

4208.ff7afaa4d00d4b73f5ac.js

4208.ff7afaa4d00d4b73f5ac.js

2756 ms

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494.beae3b23bc9fa7aaebc9.js

2703 ms

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2850.0a6489efee386a6849ff.js

2721 ms

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3344.412305e5682e470c4640.js

2832 ms

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9398.7ab335d923b595a2783a.js

2838 ms

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6896.29e38bc456d9d405c7cd.js

2908 ms

ae5f8b63-f4881b2fddff1f619b4b.js

ae5f8b63-f4881b2fddff1f619b4b.js

3119 ms

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5834-bb00da19eb19999fc05b.js

3294 ms

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5343.e451338456a866b1d0b0.js

2951 ms

935.d59f589bcaf15bbea0d4.js

935.d59f589bcaf15bbea0d4.js

3040 ms

webpack-8f2d77464f8a11e76627.js

webpack-8f2d77464f8a11e76627.js

3032 ms

framework-1c28876af024d9fc78de.js

framework-1c28876af024d9fc78de.js

3129 ms

main-a1d075db78bed35e1a69.js

main-a1d075db78bed35e1a69.js

3155 ms

ccpv0mhkod75dt5lqkcg.png

ccpv0mhkod75dt5lqkcg.png

1684 ms

beacon.min.js

beacon.min.js

147 ms

_app-ad405784e88a1ab47686.js

_app-ad405784e88a1ab47686.js

2172 ms

index-095d7a4c42e96aa2cb47.js

index-095d7a4c42e96aa2cb47.js

1403 ms

_buildManifest.js

_buildManifest.js

1504 ms

_ssgManifest.js

_ssgManifest.js

1475 ms

noto-sans-v27-latin-500.4e538da632049d278c0cf90d4f99aff5.woff2

noto-sans-v27-latin-500.4e538da632049d278c0cf90d4f99aff5.woff2

1375 ms

noto-sans-v27-latin-600.93a909601fc1dfa86adc742fa8d929bc.woff2

noto-sans-v27-latin-600.93a909601fc1dfa86adc742fa8d929bc.woff2

1413 ms

noto-sans-v27-latin-700.ed37599f330779774b3c0527ba64577f.woff2

noto-sans-v27-latin-700.ed37599f330779774b3c0527ba64577f.woff2

1635 ms

hero1_web.jpg

hero1_web.jpg

1680 ms

bg.svg

bg.svg

1473 ms

Accessibility Review

italki.cn accessibility score

83

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

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

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

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

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

italki.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

Links do not have descriptive text

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: