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airclass.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

airclass.com

Real Time Distance Learning: Pairing LanSchool Air + MS Teams & Google Meet

Page Load Speed

2 sec in total

First Response

13 ms

Resources Loaded

1.4 sec

Page Rendered

576 ms

airclass.com screenshot

About Website

Welcome to airclass.com homepage info - get ready to check Air Class best content for United States right away, or after learning these important things about airclass.com

Remote and hybrid learning solutions are being adopted by schools across the globe. Learn how LanSchool Air works with MS Teams & Google Meet to create a synchronous learning environment for onlin...

Visit airclass.com

Key Findings

We analyzed Airclass.com page load time and found that the first response time was 13 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

airclass.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

airclass.com

13 ms

enable-synchronous-learning-with-real-time-virtual-classes-using-video-conferencing-tools-and-lanschool-air

10 ms

otSDKStub.js

28 ms

wpml-blocks.min.css

6 ms

dashicons.min.css

14 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Airclass.com, 76% (29 requests) were made to Lanschool.com and 8% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (114 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.2 kB (12%)

Content Size

819.7 kB

After Optimization

717.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airclass.com main page is 819.7 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. 65% of websites need less resources to load. Images take 540.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 96.1 kB

  • Original 121.2 kB
  • After minification 120.1 kB
  • After compression 25.2 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 96.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 2.4 kB

  • Original 540.6 kB
  • After minification 538.2 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. Air Class images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 45 B

  • Original 108.6 kB
  • After minification 108.6 kB
  • After compression 108.5 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.

CSS Optimization

-8%

Potential reduce by 3.7 kB

  • Original 49.2 kB
  • After minification 49.2 kB
  • After compression 45.5 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. Airclass.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (38%)

Requests Now

26

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Class. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

airclass.com

airclass.com

13 ms

enable-synchronous-learning-with-real-time-virtual-classes-using-video-conferencing-tools-and-lanschool-air

enable-synchronous-learning-with-real-time-virtual-classes-using-video-conferencing-tools-and-lanschool-air

10 ms

otSDKStub.js

otSDKStub.js

28 ms

wpml-blocks.min.css

wpml-blocks.min.css

6 ms

dashicons.min.css

dashicons.min.css

14 ms

style.min.css

style.min.css

18 ms

glossary-hint.min.css

glossary-hint.min.css

16 ms

glossary-mobile-tooltip.min.css

glossary-mobile-tooltip.min.css

15 ms

v2.js

v2.js

67 ms

37f065d4-442e-4443-a127-1f91bfaf09f2.json

37f065d4-442e-4443-a127-1f91bfaf09f2.json

74 ms

gtm.js

gtm.js

94 ms

alert-bar-close.svg

alert-bar-close.svg

29 ms

logo.svg

logo.svg

44 ms

msteams-1.png

msteams-1.png

44 ms

msteams-2.png

msteams-2.png

50 ms

msteams-3.png

msteams-3.png

44 ms

msteams-4.png

msteams-4.png

48 ms

lsa-msteams-1024x576.gif

lsa-msteams-1024x576.gif

56 ms

googlemeet-1.png

googlemeet-1.png

53 ms

googlemeet-2.png

googlemeet-2.png

52 ms

googlemeet-3.png

googlemeet-3.png

48 ms

googlemeet-4.png

googlemeet-4.png

53 ms

lsa-google-meet-1024x576.gif

lsa-google-meet-1024x576.gif

55 ms

logo-white.svg

logo-white.svg

52 ms

Montserrat-400.woff2

Montserrat-400.woff2

55 ms

Montserrat-600.woff2

Montserrat-600.woff2

60 ms

Montserrat-700.woff2

Montserrat-700.woff2

64 ms

location

location

58 ms

PlayfairDisplay-900.woff2

PlayfairDisplay-900.woff2

26 ms

PlayfairDisplay-400.woff2

PlayfairDisplay-400.woff2

25 ms

js

js

114 ms

3916348.js

3916348.js

102 ms

otBannerSdk.js

otBannerSdk.js

53 ms

Montserrat-400.woff

Montserrat-400.woff

14 ms

Montserrat-600.woff

Montserrat-600.woff

10 ms

Montserrat-700.woff

Montserrat-700.woff

19 ms

PlayfairDisplay-900.woff

PlayfairDisplay-900.woff

14 ms

PlayfairDisplay-400.woff

PlayfairDisplay-400.woff

5 ms

Accessibility Review

airclass.com accessibility score

80

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.

ARIA

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.

Impact

Issue

High

ARIA IDs are not unique

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 valid value for its [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

airclass.com 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

SEO Factors

airclass.com SEO score

83

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 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 Airclass.com 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 Airclass.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

airclass.com

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