Tools & Wizards About Us
teachlr.zoom.us screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

teachlr.zoom.us

Video Conferencing, Web Conferencing, Online Meetings, Screen Sharing - Zoom

Page Load Speed

1.7 sec in total

First Response

40 ms

Resources Loaded

1.5 sec

Page Rendered

180 ms

teachlr.zoom.us screenshot

About Website

Welcome to teachlr.zoom.us homepage info - get ready to check Teachlr Zoom best content for United States right away, or after learning these important things about teachlr.zoom.us

Zoom unifies cloud video conferencing, simple online meetings, and cross platform group chat into one easy-to-use platform. Our solution offers the best video, audio, and screen-sharing experience acr...

Visit teachlr.zoom.us

Key Findings

We analyzed Teachlr.zoom.us page load time and found that the first response time was 40 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

teachlr.zoom.us performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.725

6/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

Network Requests Diagram

teachlr.zoom.us

40 ms

teachlr.zoom.us

1135 ms

all.min.css

78 ms

landing.min.css

97 ms

all.min.js

129 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 Teachlr.zoom.us, 96% (47 requests) were made to St1.zoom.us. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Teachlr.zoom.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.5 kB (11%)

Content Size

831.8 kB

After Optimization

740.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teachlr.zoom.us main page is 831.8 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. Images take 696.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.3 kB

  • Original 28.2 kB
  • After minification 25.4 kB
  • After compression 6.9 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 21.3 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 69.2 kB

  • Original 696.1 kB
  • After minification 626.9 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. Teachlr Zoom images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 787 B

  • Original 75.8 kB
  • After minification 75.8 kB
  • After compression 75.0 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

-1%

Potential reduce by 174 B

  • Original 31.7 kB
  • After minification 31.7 kB
  • After compression 31.6 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. Teachlr.zoom.us has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

38

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teachlr Zoom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

teachlr.zoom.us

teachlr.zoom.us

40 ms

teachlr.zoom.us

teachlr.zoom.us

1135 ms

all.min.css

all.min.css

78 ms

landing.min.css

landing.min.css

97 ms

all.min.js

all.min.js

129 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

147 ms

jquery.cycle2.center.min.js

jquery.cycle2.center.min.js

151 ms

home.min.js

home.min.js

149 ms

ZoomLogo.png

ZoomLogo.png

276 ms

ZoomCloud.png

ZoomCloud.png

243 ms

1LogoUber.jpg

1LogoUber.jpg

241 ms

2LogoSlack.jpg

2LogoSlack.jpg

241 ms

3LogoGoDaddy.jpg

3LogoGoDaddy.jpg

242 ms

4LogoRingCentral.jpg

4LogoRingCentral.jpg

243 ms

5LogoSolarCity.jpg

5LogoSolarCity.jpg

243 ms

7LogoOneMedical.jpg

7LogoOneMedical.jpg

244 ms

8LogoTrendMicro.jpg

8LogoTrendMicro.jpg

244 ms

9Logo.jpg

9Logo.jpg

244 ms

10LogoLookout.jpg

10LogoLookout.jpg

250 ms

11LogoSonos.png

11LogoSonos.png

245 ms

12LogoUCLA.png

12LogoUCLA.png

246 ms

13Logo.png

13Logo.png

246 ms

14Logo.png

14Logo.png

247 ms

15LogoFlipboard.png

15LogoFlipboard.png

245 ms

16Logo.png

16Logo.png

246 ms

17LogoSanta-Clara-University.png

17LogoSanta-Clara-University.png

247 ms

18LogoQuicken-Loans.png

18LogoQuicken-Loans.png

247 ms

19LogoProofpoint.png

19LogoProofpoint.png

248 ms

20Logo.png

20Logo.png

248 ms

21LogoTicketmaster.png

21LogoTicketmaster.png

248 ms

bg2_web_conference.jpg

bg2_web_conference.jpg

141 ms

bg3_room_systems.jpg

bg3_room_systems.jpg

152 ms

bg4_zoompresence.jpg

bg4_zoompresence.jpg

142 ms

bg5_mobile_share.jpg

bg5_mobile_share.jpg

156 ms

bg6_im_presence.jpg

bg6_im_presence.jpg

166 ms

selected_triangle.png

selected_triangle.png

149 ms

IconBlog.png

IconBlog.png

157 ms

IconLinkedIn.png

IconLinkedIn.png

166 ms

IconTwitter.png

IconTwitter.png

171 ms

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

173 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

144 ms

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

155 ms

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

56 ms

IconYoutube.png

IconYoutube.png

58 ms

PRmiXeptR36kaC0GEAetxn5HxGBcBvicCpTp6spHfNo.woff

PRmiXeptR36kaC0GEAetxn5HxGBcBvicCpTp6spHfNo.woff

61 ms

PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff

PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff

63 ms

xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff

xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff

73 ms

PRmiXeptR36kaC0GEAetxh_xHqYgAV9Bl_ZQbYUxnQU.woff

PRmiXeptR36kaC0GEAetxh_xHqYgAV9Bl_ZQbYUxnQU.woff

72 ms

IconFacebook.png

IconFacebook.png

76 ms

Accessibility Review

teachlr.zoom.us accessibility score

92

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

Best Practices

teachlr.zoom.us best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

teachlr.zoom.us SEO score

62

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

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Teachlr.zoom.us 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 Teachlr.zoom.us 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

teachlr.zoom.us

Open Graph description is not detected on the main page of Teachlr Zoom. 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: