6.1 sec in total
281 ms
5.4 sec
385 ms
Visit cs.sfu.ca now to see the best up-to-date Cs Sfu content for Canada and also check out these interesting facts you probably never knew about cs.sfu.ca
"SFU Data Crunchers" Win Best Student Team Award
Visit cs.sfu.caWe analyzed Cs.sfu.ca page load time and found that the first response time was 281 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
cs.sfu.ca performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value36.5 s
0/100
25%
Value7.5 s
27/100
10%
Value150 ms
94/100
30%
Value0.172
69/100
15%
Value10.8 s
22/100
10%
281 ms
345 ms
1333 ms
272 ms
72 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cs.sfu.ca, 80% (59 requests) were made to Sfu.ca and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Sfu.ca.
Page size can be reduced by 1.2 MB (17%)
7.0 MB
5.8 MB
In fact, the total size of Cs.sfu.ca main page is 7.0 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. 55% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.
Potential reduce by 35.5 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 10.7 kB, which is 26% 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 35.5 kB or 85% of the original size.
Potential reduce by 770.4 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. Obviously, Cs Sfu needs image optimization as it can save up to 770.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 137.0 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 137.0 kB or 61% of the original size.
Potential reduce by 270.2 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. Cs.sfu.ca needs all CSS files to be minified and compressed as it can save up to 270.2 kB or 84% of the original size.
Number of requests can be reduced by 29 (45%)
65
36
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs Sfu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
cs.sfu.ca
281 ms
www.cs.sfu.ca
345 ms
computing.html
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head.styles.min.css
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jquery-ui.css
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is-cs.css
214 ms
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is-cs-768.css
145 ms
is-cs-480.css
155 ms
final.css
148 ms
jquery.min.js
399 ms
utils.min.js
221 ms
granite.min.js
232 ms
jquery.min.js
273 ms
jquery-ui.min.js
425 ms
jquery-ui.min.js
292 ms
head.scripts.min.js
378 ms
footer.scripts.min.js
1558 ms
toggleFormContent.min.js
295 ms
random-load.js
302 ms
is-js.js
412 ms
jquery.flexverticalcenter.js
409 ms
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1266 ms
js
91 ms
ga.js
45 ms
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88 ms
sfu-logo@2x.png
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28 ms
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94 ms
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116 ms
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cs.sfu.ca accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
cs.sfu.ca best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
cs.sfu.ca SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document doesn't use legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs.sfu.ca can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cs.sfu.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.
cs.sfu.ca
Open Graph description is not detected on the main page of Cs Sfu. 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: