Tools & Wizards About Us
chemeng.uwaterloo.ca screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

chemeng.uwaterloo.ca

Welcome to Chemical Engineering at the University of Waterloo | Chemical Engineering | University of Waterloo

Page Load Speed

4.1 sec in total

First Response

90 ms

Resources Loaded

3.1 sec

Page Rendered

921 ms

chemeng.uwaterloo.ca screenshot

About Website

Click here to check amazing Chemeng U Waterloo content for Canada. Otherwise, check out these important facts you probably never knew about chemeng.uwaterloo.ca

The Ontario Battery and Electrochemistry Research Centre (OBEC), led by Waterloo researchers Linda Nazar and Michael Pope, will be Canada’s newest facility tasked with advancing next-generation electr...

Visit chemeng.uwaterloo.ca

Key Findings

We analyzed Chemeng.uwaterloo.ca page load time and found that the first response time was 90 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

chemeng.uwaterloo.ca performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value11,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.198

1/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

chemeng.uwaterloo.ca

90 ms

chemical-engineering

116 ms

js

89 ms

css2

77 ms

gtm.js

204 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Chemeng.uwaterloo.ca, 40% (34 requests) were made to Uwaterloo.ca and 16% (14 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source T.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 202.8 kB (8%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemeng.uwaterloo.ca main page is 2.5 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. Only a small number of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 125.5 kB

  • Original 147.2 kB
  • After minification 114.5 kB
  • After compression 21.7 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. This page needs HTML code to be minified as it can gain 32.6 kB, which is 22% 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 125.5 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 32 B

  • Original 1.7 MB
  • After minification 1.7 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. Chemeng U Waterloo images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 48.6 kB

  • Original 451.0 kB
  • After minification 451.0 kB
  • After compression 402.4 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 48.6 kB or 11% of the original size.

CSS Optimization

-12%

Potential reduce by 28.7 kB

  • Original 230.0 kB
  • After minification 229.9 kB
  • After compression 201.3 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. Chemeng.uwaterloo.ca needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (51%)

Requests Now

82

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemeng U Waterloo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chemeng.uwaterloo.ca

chemeng.uwaterloo.ca

90 ms

chemical-engineering

chemical-engineering

116 ms

js

js

89 ms

css2

css2

77 ms

gtm.js

gtm.js

204 ms

css_15gIdCRzHOhpv_XBwCVLm_L4jdSj5zXM3BUL5xhuits.css

css_15gIdCRzHOhpv_XBwCVLm_L4jdSj5zXM3BUL5xhuits.css

26 ms

css_2DsGv_S7X2Gf3LaF55XniYTAY-_piuIdIDDg2HAVvbM.css

css_2DsGv_S7X2Gf3LaF55XniYTAY-_piuIdIDDg2HAVvbM.css

45 ms

owl.carousel.min.css

owl.carousel.min.css

115 ms

owl.theme.default.min.css

owl.theme.default.min.css

113 ms

css_EAsArFN2_7N4N5Wc6V7FvaEm1piFXaVRTj0lsjiPDBs.css

css_EAsArFN2_7N4N5Wc6V7FvaEm1piFXaVRTj0lsjiPDBs.css

42 ms

oembed

oembed

202 ms

oembed

oembed

204 ms

oembed

oembed

221 ms

oembed

oembed

204 ms

js_Q-_gq-rN4jBwqinewZ0DrAm1IPAW1VvZ3MQ6l4m6CvY.js

js_Q-_gq-rN4jBwqinewZ0DrAm1IPAW1VvZ3MQ6l4m6CvY.js

67 ms

owl.carousel.min.js

owl.carousel.min.js

73 ms

MathJax.js

MathJax.js

102 ms

js_2YaXSay7C8woVi1VfveleEVrYbngmHpQ6SaSya0OH_w.js

js_2YaXSay7C8woVi1VfveleEVrYbngmHpQ6SaSya0OH_w.js

71 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

72 ms

jquery.validate.min.js

jquery.validate.min.js

139 ms

cv.jquery.validate.js

cv.jquery.validate.js

137 ms

js__ABBtM3cdcn9AMfT6ivTk94ZrUw3-xEIHcZ_Dt_8Cjo.js

js__ABBtM3cdcn9AMfT6ivTk94ZrUw3-xEIHcZ_Dt_8Cjo.js

139 ms

homepage-image-1-chemical.png

homepage-image-1-chemical.png

192 ms

homepage-image-3-chemical.png

homepage-image-3-chemical.png

191 ms

homepage-image-5-chemical.png

homepage-image-5-chemical.png

197 ms

homepage-image-6-chemical.png

homepage-image-6-chemical.png

195 ms

homepage-image-7-chemical.png

homepage-image-7-chemical.png

200 ms

homepage-image-8-chemical.png

homepage-image-8-chemical.png

202 ms

ellie-polyani-prize-1000-by-308.jpg

ellie-polyani-prize-1000-by-308.jpg

201 ms

obec-banner-cropped-308.jpg

obec-banner-cropped-308.jpg

204 ms

undergraduates-chemical.png

undergraduates-chemical.png

207 ms

graduate-homepage-image.png

graduate-homepage-image.png

886 ms

faculty-chemical.png

faculty-chemical.png

211 ms

luis-d.g.fisher-crop.jpg

luis-d.g.fisher-crop.jpg

202 ms

mo-brandon-pic-crop.jpg

mo-brandon-pic-crop.jpg

203 ms

boxin-crop.jpg

boxin-crop.jpg

204 ms

fp2996_gs_fair_web_banner_1200x676-with-qr-code.jpg

fp2996_gs_fair_web_banner_1200x676-with-qr-code.jpg

212 ms

uwaterloo_engineering_wordmark.png

uwaterloo_engineering_wordmark.png

205 ms

TeX-AMS_HTML.js

TeX-AMS_HTML.js

68 ms

uwaterloo-logo.svg

uwaterloo-logo.svg

73 ms

mobile-arrow-down-w.svg

mobile-arrow-down-w.svg

75 ms

search_2-white.svg

search_2-white.svg

81 ms

mobile-arrow-down.svg

mobile-arrow-down.svg

77 ms

css_REZt01W0Pj4GrqJHdPCMs0xbMA-RLlgiburyk_qeOrQ.css

css_REZt01W0Pj4GrqJHdPCMs0xbMA-RLlgiburyk_qeOrQ.css

98 ms

4GtlUAY2HAI

4GtlUAY2HAI

402 ms

Cw0Dseq-W6I

Cw0Dseq-W6I

400 ms

Tz_1ae2kLVs

Tz_1ae2kLVs

397 ms

MK1cuY7VSLU

MK1cuY7VSLU

382 ms

js

js

84 ms

js

js

82 ms

analytics.js

analytics.js

61 ms

destination

destination

269 ms

destination

destination

266 ms

destination

destination

266 ms

destination

destination

263 ms

destination

destination

263 ms

fbevents.js

fbevents.js

454 ms

LightningBolt.js

LightningBolt.js

534 ms

player_api

player_api

244 ms

ytc.js

ytc.js

259 ms

insight.min.js

insight.min.js

495 ms

uwt.js

uwt.js

249 ms

collect

collect

192 ms

www-player.css

www-player.css

224 ms

www-embed-player.js

www-embed-player.js

265 ms

base.js

base.js

467 ms

www-player.css

www-player.css

245 ms

www-embed-player.js

www-embed-player.js

260 ms

base.js

base.js

889 ms

collect

collect

439 ms

10126356.json

10126356.json

243 ms

mapping.js

mapping.js

48 ms

www-widgetapi.js

www-widgetapi.js

46 ms

adsct

adsct

1031 ms

adsct

adsct

984 ms

ad_status.js

ad_status.js

740 ms

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

535 ms

embed.js

embed.js

377 ms

embed.js

embed.js

111 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

556 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

559 ms

Create

Create

464 ms

Create

Create

469 ms

Create

Create

471 ms

Create

Create

659 ms

id

id

429 ms

Accessibility Review

chemeng.uwaterloo.ca accessibility score

93

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.

Best Practices

chemeng.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

chemeng.uwaterloo.ca SEO score

87

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 Chemeng.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 Chemeng.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

chemeng.uwaterloo.ca

Open Graph description is not detected on the main page of Chemeng U Waterloo. 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: