Tools & Wizards About Us
a2-www.lingobus.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

a2-www.lingobus.com

Online Mandarin Chinese Learning - E-Learning for Kids| Lingo Bus

Page Load Speed

12.2 sec in total

First Response

1.5 sec

Resources Loaded

2.4 sec

Page Rendered

8.3 sec

a2-www.lingobus.com screenshot

About Website

Visit a2-www.lingobus.com now to see the best up-to-date A 2 Www Lingo Bus content for Canada and also check out these interesting facts you probably never knew about a2-www.lingobus.com

Chinese learning courses for kids from 4 to 15 years old. Lingo Bus is an online Mandarin learning platform consisting of professional Chinese teachers.

Visit a2-www.lingobus.com

Key Findings

We analyzed A2-www.lingobus.com page load time and found that the first response time was 1.5 sec and then it took 10.7 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

a2-www.lingobus.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value2,700 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

a2-www.lingobus.com

1525 ms

gtm.js

96 ms

index.css

968 ms

chunk-vendors.9aaf6fe0.css

889 ms

app.c848bd99.css

889 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 17% of them (6 requests) were addressed to the original A2-www.lingobus.com, 47% (17 requests) were made to S.vipkidstatic.com and 11% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain A2-www.lingobus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.2 kB (42%)

Content Size

105.0 kB

After Optimization

60.7 kB

  • HTML
  • JavaScript

In fact, the total size of A2-www.lingobus.com main page is 105.0 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 57.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.1 kB

  • Original 57.3 kB
  • After minification 57.3 kB
  • After compression 13.2 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 44.1 kB or 77% of the original size.

JavaScript Optimization

-0%

Potential reduce by 151 B

  • Original 47.7 kB
  • After minification 47.7 kB
  • After compression 47.6 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 7 (41%)

Requests Now

17

After Optimization

10

  • AJAX
  • Images
  • JavaScript

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A 2 Www Lingo Bus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

a2-www.lingobus.com

a2-www.lingobus.com

1525 ms

gtm.js

gtm.js

96 ms

index.css

index.css

968 ms

chunk-vendors.9aaf6fe0.css

chunk-vendors.9aaf6fe0.css

889 ms

app.c848bd99.css

app.c848bd99.css

889 ms

analytics.js

analytics.js

297 ms

fbevents.js

fbevents.js

546 ms

mixpanel-2-latest.min.js

mixpanel-2-latest.min.js

254 ms

ytc.js

ytc.js

702 ms

12.png

12.png

635 ms

13.png

13.png

635 ms

14.png

14.png

635 ms

15.png

15.png

588 ms

16.png

16.png

589 ms

17.png

17.png

589 ms

18.png

18.png

588 ms

19.png

19.png

588 ms

20.png

20.png

587 ms

21.png

21.png

587 ms

overview-mascot.36ff4f35.png

overview-mascot.36ff4f35.png

588 ms

home-customer_1.jpg

home-customer_1.jpg

572 ms

home-customer_2.jpg

home-customer_2.jpg

571 ms

home-customer_3.jpg

home-customer_3.jpg

571 ms

linkid.js

linkid.js

380 ms

chunk-vendors.6cc324ce.js

chunk-vendors.6cc324ce.js

115 ms

app.3b7f59c3.js

app.3b7f59c3.js

115 ms

cooperation_2.3e6bf79f.png

cooperation_2.3e6bf79f.png

804 ms

cooperation_4.99ef39d2.png

cooperation_4.99ef39d2.png

466 ms

teacher-WA@2x.fa101285.jpg

teacher-WA@2x.fa101285.jpg

504 ms

identity.js

identity.js

89 ms

351105098652565

351105098652565

167 ms

collect

collect

27 ms

collect

collect

225 ms

10127859.json

10127859.json

126 ms

ga-audiences

ga-audiences

63 ms

collect

collect

10 ms

Accessibility Review

a2-www.lingobus.com accessibility score

48

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.

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

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

a2-www.lingobus.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

a2-www.lingobus.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A2-www.lingobus.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 A2-www.lingobus.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

a2-www.lingobus.com

Open Graph description is not detected on the main page of A 2 Www Lingo Bus. 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: