Tools & Wizards About Us
power.uwaterloo.ca screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

power.uwaterloo.ca

Welcome to Power and Energy Systems Group | Power and Energy Systems Group

Page Load Speed

1.6 sec in total

First Response

177 ms

Resources Loaded

1.2 sec

Page Rendered

235 ms

power.uwaterloo.ca screenshot

About Website

Welcome to power.uwaterloo.ca homepage info - get ready to check Power Uwaterloo best content for Canada right away, or after learning these important things about power.uwaterloo.ca

The research group The Power and Energy Systems Group at the University of Waterloo is one of the largest research groups in power engineering in North America, with a very reputed faculty base and av...

Visit power.uwaterloo.ca

Key Findings

We analyzed Power.uwaterloo.ca page load time and found that the first response time was 177 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

power.uwaterloo.ca performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value2,980 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value1.718

0/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

power.uwaterloo.ca

177 ms

288 ms

css_qpaPTum611pKtjMumSuxFtnLvkHFCzHLD3Cx_W3E_tI.css

142 ms

css_VBb9bB0piOhWCsQGRCs587HsuQQy_ffvXXx9fnYMW6A.css

143 ms

css_0xXnEnu_acCcPILcyjMAIQd0xrp-9ASKEFRpVcp3iy4.css

188 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Power.uwaterloo.ca, 81% (29 requests) were made to Uwaterloo.ca and 6% (2 requests) were made to Cdn.mathjax.org. The less responsive or slowest element that took the longest time to load (311 ms) relates to the external source Uwaterloo.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 439.0 kB (51%)

Content Size

853.1 kB

After Optimization

414.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Power.uwaterloo.ca main page is 853.1 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. 40% of websites need less resources to load. Javascripts take 447.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.5 kB

  • Original 37.4 kB
  • After minification 36.6 kB
  • After compression 8.9 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 28.5 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 13.8 kB

  • Original 250.4 kB
  • After minification 236.7 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. Power Uwaterloo images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 302.2 kB

  • Original 447.6 kB
  • After minification 432.3 kB
  • After compression 145.4 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 302.2 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 94.5 kB

  • Original 117.7 kB
  • After minification 115.1 kB
  • After compression 23.1 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. Power.uwaterloo.ca needs all CSS files to be minified and compressed as it can save up to 94.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (48%)

Requests Now

33

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Power Uwaterloo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

power.uwaterloo.ca

power.uwaterloo.ca

177 ms

288 ms

css_qpaPTum611pKtjMumSuxFtnLvkHFCzHLD3Cx_W3E_tI.css

css_qpaPTum611pKtjMumSuxFtnLvkHFCzHLD3Cx_W3E_tI.css

142 ms

css_VBb9bB0piOhWCsQGRCs587HsuQQy_ffvXXx9fnYMW6A.css

css_VBb9bB0piOhWCsQGRCs587HsuQQy_ffvXXx9fnYMW6A.css

143 ms

css_0xXnEnu_acCcPILcyjMAIQd0xrp-9ASKEFRpVcp3iy4.css

css_0xXnEnu_acCcPILcyjMAIQd0xrp-9ASKEFRpVcp3iy4.css

188 ms

css_Gg6m6dEQCBEVE9BKJ58M3fvcM8DYqF_E_1bwBRq99GE.css

css_Gg6m6dEQCBEVE9BKJ58M3fvcM8DYqF_E_1bwBRq99GE.css

152 ms

css_E9Jx7KnM-yqRxjhPa8EV5J8WR_ykPxCCDdg2xV3lpFg.css

css_E9Jx7KnM-yqRxjhPa8EV5J8WR_ykPxCCDdg2xV3lpFg.css

194 ms

css_sRoiJhQvJQq6QeaA_k2TBTUGBBlzX2SqcMVA03KcM3A.css

css_sRoiJhQvJQq6QeaA_k2TBTUGBBlzX2SqcMVA03KcM3A.css

183 ms

css_ty8fXH9FNN_3ni-4QJWzkGJcxIZkQeRzCtddW022Qgg.css

css_ty8fXH9FNN_3ni-4QJWzkGJcxIZkQeRzCtddW022Qgg.css

248 ms

css_GQ8yLK_ezzwMVlQXLRX8hGFGyH3Z8sce5C2yyYikRGs.css

css_GQ8yLK_ezzwMVlQXLRX8hGFGyH3Z8sce5C2yyYikRGs.css

173 ms

js_JLxuxbhhrFRy-sBnijHkR0TGGHgiukMPv94zvDWgQ3g.js

js_JLxuxbhhrFRy-sBnijHkR0TGGHgiukMPv94zvDWgQ3g.js

252 ms

js_lbOLWw8NZ0ZtfRjpRmWuqtDXOYP4sE4IUzlh6zWlNgQ.js

js_lbOLWw8NZ0ZtfRjpRmWuqtDXOYP4sE4IUzlh6zWlNgQ.js

237 ms

js_Ob6pZ736pjR_Xg9QZdUa-rvxsoO5iKYI1n9qLl3ZtYk.js

js_Ob6pZ736pjR_Xg9QZdUa-rvxsoO5iKYI1n9qLl3ZtYk.js

293 ms

MathJax.js

MathJax.js

68 ms

js_-brRciUkz9KaQ4YEsHFz81v2He-eAV5QPxm9yTMWz_w.js

js_-brRciUkz9KaQ4YEsHFz81v2He-eAV5QPxm9yTMWz_w.js

284 ms

js_nnh4x5ESCe8uPdfGWzbiVe-qGbO39s9LGshDe-CrOKc.js

js_nnh4x5ESCe8uPdfGWzbiVe-qGbO39s9LGshDe-CrOKc.js

311 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

80 ms

analytics.js

analytics.js

135 ms

widgets.js

widgets.js

165 ms

283 ms

university-of-waterloo-logo.png

university-of-waterloo-logo.png

94 ms

search-arrows.png

search-arrows.png

91 ms

power-wordmark.png

power-wordmark.png

69 ms

menu-leaf.png

menu-leaf.png

88 ms

menu-collapsed.png

menu-collapsed.png

89 ms

collage.png

collage.png

235 ms

etap_0-186x100.png

etap_0-186x100.png

204 ms

watermark.png

watermark.png

136 ms

engineering_wm_220px.jpg

engineering_wm_220px.jpg

203 ms

eng_sm_brick_top_220px.png

eng_sm_brick_top_220px.png

199 ms

eng_sm_brick_fb_108px-92x100-100x109-90x98.png

eng_sm_brick_fb_108px-92x100-100x109-90x98.png

207 ms

eng_sm_brick_twt_112px-95x100-100x105-90x95.png

eng_sm_brick_twt_112px-95x100-100x105-90x95.png

225 ms

social-media-directory.png

social-media-directory.png

263 ms

collect

collect

20 ms

collect

collect

115 ms

css_batA2UMU7p9a6KjhhxVxaktSXYsGgGaa2cXmNi_oyMM.css

css_batA2UMU7p9a6KjhhxVxaktSXYsGgGaa2cXmNi_oyMM.css

108 ms

Accessibility Review

power.uwaterloo.ca accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

power.uwaterloo.ca best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

power.uwaterloo.ca SEO score

88

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 Power.uwaterloo.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 Power.uwaterloo.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

power.uwaterloo.ca

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