Tools & Wizards About Us
cs.utoronto.ca screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cs.utoronto.ca

Department of Computer Science, University of Toronto

Page Load Speed

1 sec in total

First Response

54 ms

Resources Loaded

873 ms

Page Rendered

80 ms

cs.utoronto.ca screenshot

About Website

Visit cs.utoronto.ca now to see the best up-to-date Cs U Toronto content for Canada and also check out these interesting facts you probably never knew about cs.utoronto.ca

The University of Toronto's Department of Computer Science is a globally top-ranked program, home to cutting-edge research and competitive academic offerings.

Visit cs.utoronto.ca

Key Findings

We analyzed Cs.utoronto.ca page load time and found that the first response time was 54 ms and then it took 953 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

cs.utoronto.ca performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.263

47/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

cs.utoronto.ca

54 ms

www.cs.toronto.edu

66 ms

web.cs.toronto.edu

131 ms

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121 ms

css2

118 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cs.utoronto.ca, 27% (12 requests) were made to Assets.squarespace.com and 20% (9 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (268 ms) relates to the external source Assets.squarewebsites.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.5 kB (12%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cs.utoronto.ca main page is 1.6 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. 70% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 96.2 kB

  • Original 118.4 kB
  • After minification 99.4 kB
  • After compression 22.1 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 18.9 kB, which is 16% 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 96.2 kB or 81% of the original size.

Image Optimization

-23%

Potential reduce by 21.9 kB

  • Original 96.1 kB
  • After minification 74.2 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. Obviously, Cs U Toronto needs image optimization as it can save up to 21.9 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 76.4 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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 52 B

  • Original 9.8 kB
  • After minification 9.8 kB
  • After compression 9.8 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. Cs.utoronto.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (86%)

Requests Now

29

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs U Toronto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs.utoronto.ca

cs.utoronto.ca

54 ms

www.cs.toronto.edu

www.cs.toronto.edu

66 ms

web.cs.toronto.edu

web.cs.toronto.edu

131 ms

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WhQmG4e5xIhD2s2Be7yvGea3coDHZSIayFyfJBfheKvfeCtIfFHN4UJLFRbh52jhWDmR5e9ojQJkwD9hwewDFejow2S3FDMhZy7qMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0deB0iemkdcZTSh6lSeNTd1bl-1wtdPoDSWmyScmDSeBRZPoRdhXCHKoDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlOeBRiA8XpWFR-emqiAUTdcS0jhNlOeBRiA8XpWFR-emqiAUTdcS0dcmXOeBDOcu8OeUyd1s8Scoc-WFGOWgz-AoXOATD5eX0SaBujW48Sagyjh90jhNlOeUzjhBC-eNDifUDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlOYi8jKoRSkoXda4zd1szOcmqiPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0deB0iemkdcZTSh6lSeNTd1bl-1wtdPoDSWmyScmDSeBRZPoRdhXCiaiaO1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCiaiaO1i8jKoRSkoXda4zd1szOcmqiPJwSY4zpe8ljPu0daZyJy4yZeNKZPu1jW4ydAN0Zfu3Scv7fbRKHyMMeMw6MKG4fHvgIMMjgfMfH6GJCwbgIMMjgPMfH6qJnbIbMg6eJMJ7fbKOMsMMeMS6MKG4fHtgIMMjIfMfH6qJRMIbMg6sJMJ7fbRDFgMgeMb6MTMg8ELAy3j.js

121 ms

css2

css2

118 ms

legacy.js

legacy.js

81 ms

modern.js

modern.js

101 ms

extract-css-runtime-fda3a6a51a421df0d6d5-min.en-US.js

extract-css-runtime-fda3a6a51a421df0d6d5-min.en-US.js

91 ms

extract-css-moment-js-vendor-6f117db4eb7fd4392375-min.en-US.js

extract-css-moment-js-vendor-6f117db4eb7fd4392375-min.en-US.js

119 ms

cldr-resource-pack-15305921bb94c505cd92-min.en-US.js

cldr-resource-pack-15305921bb94c505cd92-min.en-US.js

101 ms

common-vendors-stable-0f51b06fac4ba1f7c845-min.en-US.js

common-vendors-stable-0f51b06fac4ba1f7c845-min.en-US.js

117 ms

common-vendors-35ddea0a2d8948c05e9d-min.en-US.js

common-vendors-35ddea0a2d8948c05e9d-min.en-US.js

161 ms

common-933d6a5f116a2e5fbe58-min.en-US.js

common-933d6a5f116a2e5fbe58-min.en-US.js

188 ms

user-account-core-0330571382451c2c1d6a-min.en-US.js

user-account-core-0330571382451c2c1d6a-min.en-US.js

159 ms

user-account-core-e84acd73aa5ee3fcd4ad-min.en-US.css

user-account-core-e84acd73aa5ee3fcd4ad-min.en-US.css

154 ms

performance-4522bbfc080d479ff3e5-min.en-US.js

performance-4522bbfc080d479ff3e5-min.en-US.js

185 ms

site.css

site.css

116 ms

style.css

style.css

260 ms

jquery.min.js

jquery.min.js

148 ms

jquery.min.js

jquery.min.js

149 ms

jquery-3.5.0.min.js

jquery-3.5.0.min.js

113 ms

js

js

258 ms

site-bundle.js

site-bundle.js

115 ms

custom-table.js

custom-table.js

268 ms

jquery.min.js

jquery.min.js

119 ms

plugin-accotabs.css

plugin-accotabs.css

110 ms

plugin-accotabs.js

plugin-accotabs.js

75 ms

plugin-lightbox.css

plugin-lightbox.css

26 ms

gtm.js

gtm.js

130 ms

Computer+Science+%28KnockedOut%29+2023.png

Computer+Science+%28KnockedOut%29+2023.png

129 ms

plugin-lightbox.js

plugin-lightbox.js

22 ms

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

185 ms

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212 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

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217 ms

squarespace-ui-font.svg

squarespace-ui-font.svg

36 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVc.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVc.ttf

232 ms

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memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjaVc.ttf

232 ms

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Accessibility Review

cs.utoronto.ca accessibility score

94

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.

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

Links do not have a discernible name

Best Practices

cs.utoronto.ca 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

cs.utoronto.ca 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 Cs.utoronto.ca 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 Cs.utoronto.ca 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

cs.utoronto.ca

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