6.4 sec in total
852 ms
3.5 sec
2 sec
Visit computerscienceonline.org now to see the best up-to-date Computer Science Online content for United States and also check out these interesting facts you probably never knew about computerscienceonline.org
The most extensive site on Computer Science. Find out what it takes to enter the Computer Science field, and how to build a successful career.
Visit computerscienceonline.orgWe analyzed Computerscienceonline.org page load time and found that the first response time was 852 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
computerscienceonline.org performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value3.3 s
69/100
25%
Value2.6 s
97/100
10%
Value900 ms
31/100
30%
Value0.001
100/100
15%
Value7.6 s
46/100
10%
852 ms
202 ms
134 ms
25 ms
139 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 88% of them (86 requests) were addressed to the original Computerscienceonline.org, 4% (4 requests) were made to Google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (852 ms) belongs to the original domain Computerscienceonline.org.
Page size can be reduced by 1.6 MB (63%)
2.6 MB
950.0 kB
In fact, the total size of Computerscienceonline.org main page is 2.6 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. 75% 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. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 148.0 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. This page needs HTML code to be minified as it can gain 34.3 kB, which is 19% 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 148.0 kB or 83% of the original size.
Potential reduce by 25.8 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. Computer Science Online images are well optimized though.
Potential reduce by 803.0 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 803.0 kB or 70% of the original size.
Potential reduce by 632.9 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. Computerscienceonline.org needs all CSS files to be minified and compressed as it can save up to 632.9 kB or 86% of the original size.
Number of requests can be reduced by 37 (43%)
87
50
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computer Science Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
www.computerscienceonline.org
852 ms
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styles.css
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genericons.css
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jquery.js
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jquery-migrate.min.js
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jquery-1.9.1.min.js
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html5.js
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masonry.min.js
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QuickDegreeFinder.jquery.js
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jquery.CMN_Monetization.js
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wp-emoji-release.min.js
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webkit.css
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analytics.js
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updateSelect.json
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widget.json
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computerscienceonline.org 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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
computerscienceonline.org 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
Page has valid source maps
computerscienceonline.org 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
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 Computerscienceonline.org 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 Computerscienceonline.org 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.
computerscienceonline.org
Open Graph data is detected on the main page of Computer Science Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: