Tools & Wizards About Us
observatory.phy.queensu.ca screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

observatory.phy.queensu.ca

Department of Physics, Engineering Physics & Astronomy | Queen's University

Page Load Speed

5.5 sec in total

First Response

1.5 sec

Resources Loaded

3 sec

Page Rendered

1.1 sec

observatory.phy.queensu.ca screenshot

About Website

Visit observatory.phy.queensu.ca now to see the best up-to-date Observatory Phy Queen Su content for Canada and also check out these interesting facts you probably never knew about observatory.phy.queensu.ca

The Department of Physics at Queen's University is one of Canada's leading teaching and research institutes in Physics, Engineering Physics and Astronomy. Our faculty include high-profile, w...

Visit observatory.phy.queensu.ca

Key Findings

We analyzed Observatory.phy.queensu.ca page load time and found that the first response time was 1.5 sec 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

observatory.phy.queensu.ca performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value11,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

1467 ms

cse.js

72 ms

google_tag.script.js

92 ms

css_8TO_VyHk3RituH5JnG6eUzhj4QTRqv9eUIHNzbvqJ-0.css

149 ms

bootstrap.min.css

151 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Observatory.phy.queensu.ca, 20% (9 requests) were made to Live.wp3.its.queensu.ca and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Queensu.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 502.7 kB (63%)

Content Size

802.6 kB

After Optimization

299.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Observatory.phy.queensu.ca main page is 802.6 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. 60% of websites need less resources to load. CSS take 355.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 134.2 kB

  • Original 149.0 kB
  • After minification 92.6 kB
  • After compression 14.8 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 56.5 kB, which is 38% 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 134.2 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 143 B

  • Original 166.0 kB
  • After minification 165.9 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. Observatory Phy Queen Su images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 69.1 kB

  • Original 131.7 kB
  • After minification 131.7 kB
  • After compression 62.6 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 69.1 kB or 52% of the original size.

CSS Optimization

-84%

Potential reduce by 299.3 kB

  • Original 355.8 kB
  • After minification 355.6 kB
  • After compression 56.5 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. Observatory.phy.queensu.ca needs all CSS files to be minified and compressed as it can save up to 299.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (74%)

Requests Now

39

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Observatory Phy Queen Su. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1467 ms

cse.js

cse.js

72 ms

google_tag.script.js

google_tag.script.js

92 ms

css_8TO_VyHk3RituH5JnG6eUzhj4QTRqv9eUIHNzbvqJ-0.css

css_8TO_VyHk3RituH5JnG6eUzhj4QTRqv9eUIHNzbvqJ-0.css

149 ms

bootstrap.min.css

bootstrap.min.css

151 ms

drupal-bootstrap.min.css

drupal-bootstrap.min.css

161 ms

css_hRA_w2QHQ9nQzSPQRVBfdjyvzJt_WTa_ef9nrV4BSvY.css

css_hRA_w2QHQ9nQzSPQRVBfdjyvzJt_WTa_ef9nrV4BSvY.css

319 ms

js_vjrewt9Ub_VdOnWG7fQvzLvZnbEPsJs5UlnSApFDVF0.js

js_vjrewt9Ub_VdOnWG7fQvzLvZnbEPsJs5UlnSApFDVF0.js

204 ms

6a887f39f9.js

6a887f39f9.js

68 ms

js_W3bdueUcwRaVZl6hQM08HxKK-dGeQt4defwA-clHoW8.js

js_W3bdueUcwRaVZl6hQM08HxKK-dGeQt4defwA-clHoW8.js

147 ms

js_yGeTX5ZvQoCbAvxswKhn2d_Wqmb3j__8_EFG29s5VvY.js

js_yGeTX5ZvQoCbAvxswKhn2d_Wqmb3j__8_EFG29s5VvY.js

153 ms

bootstrap.min.js

bootstrap.min.js

163 ms

js_4pmEHGGk73bK_JwrK7KPv12KBGh67hzgAod3K9DxlfM.js

js_4pmEHGGk73bK_JwrK7KPv12KBGh67hzgAod3K9DxlfM.js

189 ms

cse_element__en.js

cse_element__en.js

35 ms

default+en.css

default+en.css

71 ms

default.css

default.css

75 ms

css2

css2

65 ms

menu.svg

menu.svg

94 ms

Queens-university-logo-horizontal-digital-rgb-full-colour-website.svg

Queens-university-logo-horizontal-digital-rgb-full-colour-website.svg

132 ms

search.svg

search.svg

96 ms

log-in.svg

log-in.svg

94 ms

external-link.svg

external-link.svg

93 ms

x-circle.svg

x-circle.svg

98 ms

shield.svg

shield.svg

139 ms

event-default%20%281%29.jpg

event-default%20%281%29.jpg

406 ms

Queens-university-logo-horizontal-digital-rgb-full-colour-reverse-website.svg

Queens-university-logo-horizontal-digital-rgb-full-colour-reverse-website.svg

237 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

67 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

68 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

107 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

444 ms

arrow-down.svg

arrow-down.svg

417 ms

bullhorn-2.svg

bullhorn-2.svg

490 ms

gradientblue.png

gradientblue.png

490 ms

clock.svg

clock.svg

491 ms

pin.svg

pin.svg

493 ms

gtm.js

gtm.js

431 ms

ls.unveilhooks.min.js

ls.unveilhooks.min.js

424 ms

lazysizes.min.js

lazysizes.min.js

418 ms

prev-arrow.png

prev-arrow.png

230 ms

next-arrow.png

next-arrow.png

229 ms

analytics.js

analytics.js

27 ms

js

js

59 ms

Physics_Hero_red.jpg

Physics_Hero_red.jpg

277 ms

collect

collect

214 ms

Accessibility Review

observatory.phy.queensu.ca accessibility score

91

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

observatory.phy.queensu.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

SEO Factors

observatory.phy.queensu.ca SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Observatory.phy.queensu.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 Observatory.phy.queensu.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

observatory.phy.queensu.ca

Open Graph description is not detected on the main page of Observatory Phy Queen Su. 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: