2.1 sec in total
295 ms
1 sec
829 ms
Visit ostee.ca now to see the best up-to-date Ostee content and also check out these interesting facts you probably never knew about ostee.ca
This is a personal website of Oswald S. Tee , Distinguished Professor Emeritus of Chemistry & Biochemistry , Concordia University , Montreal, Canada. For health reasons (RA), I formally retired in...
Visit ostee.caWe analyzed Ostee.ca page load time and found that the first response time was 295 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
ostee.ca performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value6.8 s
7/100
25%
Value5.3 s
58/100
10%
Value1,130 ms
22/100
30%
Value0
100/100
15%
Value6.7 s
56/100
10%
295 ms
66 ms
86 ms
54 ms
98 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 61% of them (17 requests) were addressed to the original Ostee.ca, 11% (3 requests) were made to Cdn2.editmysite.com and 7% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (431 ms) belongs to the original domain Ostee.ca.
Page size can be reduced by 240.4 kB (12%)
1.9 MB
1.7 MB
In fact, the total size of Ostee.ca main page is 1.9 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. 45% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 16.7 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. 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 16.7 kB or 77% of the original size.
Potential reduce by 4.4 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. Ostee images are well optimized though.
Potential reduce by 209.0 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 209.0 kB or 57% of the original size.
Potential reduce by 10.3 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. Ostee.ca needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 24% of the original size.
Number of requests can be reduced by 8 (33%)
24
16
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ostee. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ostee.ca
295 ms
index.html
66 ms
sites.css
86 ms
fancybox.css
54 ms
main_style.css
98 ms
css
25 ms
css
37 ms
jquery.min.js
22 ms
main.js
164 ms
ftl.js
138 ms
banner-bot.png
118 ms
banner-top.png
82 ms
banner-mid.png
83 ms
1375306097.jpg
193 ms
5981571.jpg
187 ms
8081357.jpg
180 ms
1733175.jpg
226 ms
1794212.jpg
221 ms
6937161.jpg
244 ms
7952355.jpg
326 ms
6445301_orig.jpg
348 ms
269595_orig.jpg
410 ms
3563819_orig.jpg
352 ms
9054577_orig.jpg
431 ms
analytics.js
28 ms
sp.js
40 ms
lbfQ5Skb-g1BK2njdJ0HIw.ttf
15 ms
A3DqZ8KQbto2lGg0IL8SIvesZW2xOQ-xsNqO47m55DA.ttf
33 ms
ostee.ca accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
ostee.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
General
Impact
Issue
Detected JavaScript libraries
ostee.ca SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ostee.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 Ostee.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.
ostee.ca
Open Graph data is detected on the main page of Ostee. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: