4 sec in total
440 ms
2.9 sec
657 ms
Welcome to scienceworld.ca homepage info - get ready to check Science World best content for United States right away, or after learning these important things about scienceworld.ca
Visit scienceworld.caWe analyzed Scienceworld.ca page load time and found that the first response time was 440 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
scienceworld.ca performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value13.5 s
0/100
25%
Value10.4 s
8/100
10%
Value390 ms
69/100
30%
Value0.001
100/100
15%
Value13.0 s
12/100
10%
440 ms
66 ms
380 ms
382 ms
390 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 57% of them (47 requests) were addressed to the original Scienceworld.ca, 10% (8 requests) were made to Tradablebits.com and 10% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Scienceworld.ca.
Page size can be reduced by 728.9 kB (31%)
2.4 MB
1.6 MB
In fact, the total size of Scienceworld.ca main page is 2.4 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 94.0 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 94.0 kB or 80% of the original size.
Potential reduce by 32.3 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. Science World images are well optimized though.
Potential reduce by 355.2 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 355.2 kB or 62% of the original size.
Potential reduce by 247.5 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. Scienceworld.ca needs all CSS files to be minified and compressed as it can save up to 247.5 kB or 83% of the original size.
Number of requests can be reduced by 39 (54%)
72
33
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
scienceworld.ca
440 ms
css
66 ms
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scienceworld.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.
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
scienceworld.ca best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
scienceworld.ca SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceworld.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 Scienceworld.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.
scienceworld.ca
Open Graph description is not detected on the main page of Science World. 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: