Tools & Wizards About Us
cmu.zoom.us screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cmu.zoom.us

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

Page Load Speed

519 ms in total

First Response

35 ms

Resources Loaded

385 ms

Page Rendered

99 ms

cmu.zoom.us screenshot

About Website

Visit cmu.zoom.us now to see the best up-to-date Cmu Zoom content for United States and also check out these interesting facts you probably never knew about cmu.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 cmu.zoom.us

Key Findings

We analyzed Cmu.zoom.us page load time and found that the first response time was 35 ms and then it took 484 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

cmu.zoom.us performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

cmu.zoom.us

35 ms

cmu.zoom.us

120 ms

main.min.css

127 ms

ZoomLogo.png

217 ms

cmu-wordmark.png

19 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 33% of them (2 requests) were addressed to the original Cmu.zoom.us, 50% (3 requests) were made to Cmu.edu and 17% (1 request) were made to St1.zoom.us. The less responsive or slowest element that took the longest time to load (217 ms) relates to the external source St1.zoom.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.5 kB (66%)

Content Size

79.0 kB

After Optimization

26.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cmu.zoom.us main page is 79.0 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. Only 5% of websites need less resources to load. CSS take 64.9 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.8 kB

  • Original 4.4 kB
  • After minification 3.8 kB
  • After compression 1.6 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. This page needs HTML code to be minified as it can gain 562 B, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.8 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 50 B

  • Original 9.7 kB
  • After minification 9.7 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. Cmu Zoom images are well optimized though.

CSS Optimization

-76%

Potential reduce by 49.7 kB

  • Original 64.9 kB
  • After minification 64.9 kB
  • After compression 15.3 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. Cmu.zoom.us needs all CSS files to be minified and compressed as it can save up to 49.7 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cmu Zoom. According to our analytics all requests are already optimized.

Network Requests Diagram

cmu.zoom.us

cmu.zoom.us

35 ms

cmu.zoom.us

cmu.zoom.us

120 ms

main.min.css

main.min.css

127 ms

ZoomLogo.png

ZoomLogo.png

217 ms

cmu-wordmark.png

cmu-wordmark.png

19 ms

print.min.css

print.min.css

19 ms

Accessibility Review

cmu.zoom.us accessibility score

77

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.

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

cmu.zoom.us 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

Serves images with low resolution

SEO Factors

cmu.zoom.us SEO score

100

Search Engine Optimization Advices

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

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 Cmu.zoom.us 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 Cmu.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

cmu.zoom.us

Open Graph description is not detected on the main page of Cmu 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: