Tools & Wizards About Us
cdn.4uc.org screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

cdn.4uc.org

UniversalClass: Online Courses and Continuing Education

Page Load Speed

1.2 sec in total

First Response

121 ms

Resources Loaded

444 ms

Page Rendered

669 ms

cdn.4uc.org screenshot

About Website

Welcome to cdn.4uc.org homepage info - get ready to check Cdn 4 Uc best content right away, or after learning these important things about cdn.4uc.org

UniversalClass is the place to continue your education online and fulfill all your lifelong learning goals.

Visit cdn.4uc.org

Key Findings

We analyzed Cdn.4uc.org page load time and found that the first response time was 121 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

cdn.4uc.org performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

index.htm

121 ms

3.jpg

77 ms

magnify.svg

61 ms

universal-class-logo.svg

67 ms

hmbrgr27x22.png

69 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Cdn.4uc.org, 2% (1 request) were made to Universalclass.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (144 ms) belongs to the original domain Cdn.4uc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.0 kB (9%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cdn.4uc.org main page is 1.7 MB. 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 113.2 kB

  • Original 140.9 kB
  • After minification 137.6 kB
  • After compression 27.7 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 113.2 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 4.4 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Cdn 4 Uc images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 36.4 kB

  • Original 57.8 kB
  • After minification 57.8 kB
  • After compression 21.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 36.4 kB or 63% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 21.0 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. Cdn.4uc.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

39

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn 4 Uc. According to our analytics all requests are already optimized.

Network Requests Diagram

index.htm

index.htm

121 ms

3.jpg

3.jpg

77 ms

magnify.svg

magnify.svg

61 ms

universal-class-logo.svg

universal-class-logo.svg

67 ms

hmbrgr27x22.png

hmbrgr27x22.png

69 ms

xicon30x30.png

xicon30x30.png

72 ms

jqy.js

jqy.js

64 ms

global30mq.js

global30mq.js

77 ms

js

js

88 ms

conversion_async.js

conversion_async.js

137 ms

hmpgcoverbg4.jpg

hmpgcoverbg4.jpg

81 ms

chkmrkorng.gif

chkmrkorng.gif

89 ms

computers-12556830321bgpctr.jpg

computers-12556830321bgpctr.jpg

87 ms

event-management-classes-1168237251bgpctr.jpg

event-management-classes-1168237251bgpctr.jpg

81 ms

spiritual-psychic-12552362301bgpctr.jpg

spiritual-psychic-12552362301bgpctr.jpg

87 ms

personalcare-1249041775bgpctr.jpg

personalcare-1249041775bgpctr.jpg

82 ms

healthcare-fitness-1300745916bgpctr.jpg

healthcare-fitness-1300745916bgpctr.jpg

89 ms

psychology-978387300bgpctr.jpg

psychology-978387300bgpctr.jpg

88 ms

ms-applications-1248743383bgpctr.jpg

ms-applications-1248743383bgpctr.jpg

128 ms

accounting-831121290bgpctr.jpg

accounting-831121290bgpctr.jpg

128 ms

arts-crafts-1125625188bgpctr.jpg

arts-crafts-1125625188bgpctr.jpg

129 ms

human-resources-522259169bgpctr.jpg

human-resources-522259169bgpctr.jpg

133 ms

writing30.jpg

writing30.jpg

127 ms

business-485983383bgpctr.jpg

business-485983383bgpctr.jpg

131 ms

excel-level-1-stump.jpg

excel-level-1-stump.jpg

129 ms

proofreading08.jpg

proofreading08.jpg

131 ms

medical-terminology-6.jpg

medical-terminology-6.jpg

134 ms

stmppx2.jpg

stmppx2.jpg

133 ms

quickbooks03.jpg

quickbooks03.jpg

140 ms

writingbasics02.jpg

writingbasics02.jpg

140 ms

accounting05.jpg

accounting05.jpg

141 ms

icongradhat200x200.png

icongradhat200x200.png

141 ms

iconpaper200x200.png

iconpaper200x200.png

142 ms

iconbadge200x200.png

iconbadge200x200.png

142 ms

iconclock200x200.png

iconclock200x200.png

143 ms

iconstudents68x75.png

iconstudents68x75.png

142 ms

iconclasses75x75.png

iconclasses75x75.png

143 ms

iconlessons67x75.png

iconlessons67x75.png

143 ms

facebook.png

facebook.png

144 ms

slm4mi.css

slm4mi.css

103 ms

twitter.png

twitter.png

106 ms

youtube.png

youtube.png

105 ms

Accessibility Review

cdn.4uc.org accessibility score

98

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

cdn.4uc.org 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cdn.4uc.org SEO score

89

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

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 Cdn.4uc.org 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 Cdn.4uc.org 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

cdn.4uc.org

Open Graph data is detected on the main page of Cdn 4 Uc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: