1.1 sec in total
22 ms
880 ms
164 ms
Click here to check amazing Blackboard content for United States. Otherwise, check out these important facts you probably never knew about blackboard.com
Blackboard is a leading global educational technology solution for Higher Ed, K-12, business, and government, connecting education to the power of technology.
Visit blackboard.comWe analyzed Blackboard.com page load time and found that the first response time was 22 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
blackboard.com performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value2.6 s
87/100
25%
Value4.6 s
70/100
10%
Value890 ms
32/100
30%
Value0.222
56/100
15%
Value11.7 s
17/100
10%
22 ms
58 ms
37 ms
27 ms
25 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 43% of them (41 requests) were addressed to the original Blackboard.com, 40% (38 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (447 ms) relates to the external source Fonts.gstatic.com.
Page size can be reduced by 131.3 kB (13%)
986.3 kB
855.0 kB
In fact, the total size of Blackboard.com main page is 986.3 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. 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 835.0 kB which makes up the majority of the site volume.
Potential reduce by 76.1 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 76.1 kB or 82% of the original size.
Potential reduce by 0 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. Blackboard images are well optimized though.
Potential reduce by 54.3 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. This website has mostly compressed JavaScripts.
Potential reduce by 875 B
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. Blackboard.com has all CSS files already compressed.
Number of requests can be reduced by 50 (91%)
55
5
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackboard. 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 30 to 1 for CSS and as a result speed up the page load time.
blackboard.com
22 ms
www.blackboard.com
58 ms
otSDKStub.js
37 ms
lift.js
27 ms
ajax-progress.module.css
25 ms
align.module.css
49 ms
autocomplete-loading.module.css
57 ms
fieldgroup.module.css
49 ms
container-inline.module.css
47 ms
clearfix.module.css
58 ms
details.module.css
57 ms
hidden.module.css
61 ms
item-list.module.css
62 ms
js.module.css
70 ms
nowrap.module.css
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position-container.module.css
84 ms
progress.module.css
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reset-appearance.module.css
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resize.module.css
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sticky-header.module.css
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system-status-counter.css
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system-status-report-counters.css
144 ms
system-status-report-general-info.css
106 ms
tabledrag.module.css
109 ms
tablesort.module.css
107 ms
tree-child.module.css
143 ms
paragraphs.unpublished.css
144 ms
style.css
177 ms
fontello.css
146 ms
motion-ui.min.css
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slick.css
145 ms
jquery.min.js
188 ms
once.min.js
189 ms
drupalSettingsLoader.js
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drupal.js
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drupal.init.js
189 ms
js.cookie.min.js
191 ms
iframeResizer.min.js
40 ms
libs.js
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theme.js
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slick.js
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all.min.js
184 ms
d1b0d0e9-5953-4238-b77a-52e9d01b22ff.json
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6si.min.js
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gtm.js
74 ms
css2
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parallax.min.js
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anthology-logo.png
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location
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otBannerSdk.js
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ally.ui.js
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overlay.js
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css
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overlay.css
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346 ms
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191 ms
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346 ms
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svrGP
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blackboard.com 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
blackboard.com 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
blackboard.com 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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackboard.com 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 Blackboard.com 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.
blackboard.com
Open Graph description is not detected on the main page of Blackboard. 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: