Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

physics.yorku.ca

Welcome to the home of Physics, Astronomy & Biophysics at York - Department of Physics and Astronomy

Page Load Speed

3 sec in total

First Response

250 ms

Resources Loaded

2.4 sec

Page Rendered

329 ms

physics.yorku.ca screenshot

About Website

Visit physics.yorku.ca now to see the best up-to-date Physics York U content for Canada and also check out these interesting facts you probably never knew about physics.yorku.ca

We are Physics and Astronomy at York. Home of the 1 meter telescope. We offer a research-intensive environment for both undergraduate and graduate students.

Visit physics.yorku.ca

Key Findings

We analyzed Physics.yorku.ca page load time and found that the first response time was 250 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

physics.yorku.ca performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value29.3 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value14,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value32.7 s

0/100

10%

Network Requests Diagram

250 ms

gtm.js

112 ms

hotjar-1020482.js

47 ms

wp-emoji-release.min.js

34 ms

select2.min.css

62 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Physics.yorku.ca, 13% (8 requests) were made to Youtube.com and 7% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (574 ms) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.0 kB (7%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Physics.yorku.ca main page is 1.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 561.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.9 kB

  • Original 53.2 kB
  • After minification 51.2 kB
  • After compression 11.3 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 41.9 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 12.6 kB

  • Original 561.9 kB
  • After minification 549.3 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. Physics York U images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 21.7 kB

  • Original 433.7 kB
  • After minification 433.7 kB
  • After compression 412.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 6.8 kB

  • Original 218.5 kB
  • After minification 217.9 kB
  • After compression 211.7 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. Physics.yorku.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (79%)

Requests Now

57

After Optimization

12

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics York U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

physics.yorku.ca accessibility score

100

Accessibility Issues

Best Practices

physics.yorku.ca best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

physics.yorku.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 Physics.yorku.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 Physics.yorku.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

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