Access physics.yorku.ca. Welcome to the home of Physics, Astronomy & Biophysics at York

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%

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.

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 Now

After Optimization

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.