2.2 sec in total
232 ms
1.2 sec
768 ms
Click here to check amazing Campus EdX content for United States. Otherwise, check out these important facts you probably never knew about campus.edx.org
edX Online Campus makes it easy for any university to scale online programs without the investment, while giving students, faculty and staff access to over 3000 courses from the world's leading univer...
Visit campus.edx.orgWe analyzed Campus.edx.org page load time and found that the first response time was 232 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
campus.edx.org performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value37.6 s
0/100
25%
Value8.3 s
19/100
10%
Value8,190 ms
0/100
30%
Value0.017
100/100
15%
Value24.7 s
0/100
10%
232 ms
76 ms
92 ms
80 ms
78 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 70% of them (44 requests) were addressed to the original Campus.edx.org, 6% (4 requests) were made to Cdnjs.cloudflare.com and 5% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (970 ms) belongs to the original domain Campus.edx.org.
Page size can be reduced by 65.9 kB (16%)
408.2 kB
342.3 kB
In fact, the total size of Campus.edx.org main page is 408.2 kB. 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 258.9 kB which makes up the majority of the site volume.
Potential reduce by 62.9 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 8.7 kB, which is 12% 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 62.9 kB or 83% of the original size.
Potential reduce by 338 B
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. Campus EdX images are well optimized though.
Potential reduce by 137 B
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.
Potential reduce by 2.5 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. Campus.edx.org needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 20% of the original size.
Number of requests can be reduced by 35 (58%)
60
25
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Campus EdX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
campus.edx.org
232 ms
OtAutoBlock.js
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otSDKStub.js
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all.min.css
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bootstrap.min.css
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jquery-1.7.1.js
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main.min.css
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resources.min.css
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resources-webpage.min.css
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theme-overrides.css
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css2
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module_45213296466_Page_Navigation.min.css
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module_46474221457_Page_Footer.min.css
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module_41400653430_Banner_-_Without_Form.min.css
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module_45118579488_Logos_-_Custom_Slider.min.css
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module_41622400308_Cards_-_Columns.min.css
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module_41404311525_Content_and_Images_Rows.min.css
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module_41624048438_Full_Width_-_CTA.min.css
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js
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current.js
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embed.js
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jquery-3.5.1.min.js
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popper.min.js
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bootstrap.min.js
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main.min.js
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module_45213296466_Page_Navigation.min.js
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owl_carousel.min.js
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module_41400653430_Banner_-_Without_Form.min.js
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module_41404311525_Content_and_Images_Rows.min.js
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module_41624048438_Full_Width_-_CTA.min.js
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4982103.js
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index.js
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edX%20Navigation%20Logo.svg
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Rectangle%202.svg
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mit_logo_200x101_0-Nov-12-2020-07-05-08-43-PM.png
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Queensland%20Logo.png
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location
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font
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fa-solid-900.woff
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fa-regular-400.woff
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Vector%202.svg
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Vector%202.svg
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Vector%202-1.svg
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campus.edx.org accessibility score
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
Buttons do not have an accessible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
campus.edx.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
campus.edx.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a valid hreflang
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Campus.edx.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 Campus.edx.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.
campus.edx.org
Open Graph data is detected on the main page of Campus EdX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: