3.7 sec in total
440 ms
3 sec
237 ms
Click here to check amazing Vut Blackboard content for United States. Otherwise, check out these important facts you probably never knew about vut.blackboard.com
Visit vut.blackboard.comWe analyzed Vut.blackboard.com page load time and found that the first response time was 440 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
vut.blackboard.com performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value7.4 s
4/100
25%
Value7.5 s
27/100
10%
Value290 ms
80/100
30%
Value0.308
38/100
15%
Value8.1 s
42/100
10%
440 ms
95 ms
185 ms
253 ms
257 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Vut.blackboard.com, 3% (1 request) were made to Youtube.com and 3% (1 request) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Vut.blackboard.com.
Page size can be reduced by 1.1 MB (55%)
2.0 MB
879.0 kB
In fact, the total size of Vut.blackboard.com main page is 2.0 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. 30% of websites need less resources to load. Javascripts take 877.6 kB which makes up the majority of the site volume.
Potential reduce by 34.9 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. 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 34.9 kB or 75% of the original size.
Potential reduce by 994 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. Vut Blackboard images are well optimized though.
Potential reduce by 730.6 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 730.6 kB or 83% of the original size.
Potential reduce by 313.3 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. Vut.blackboard.com needs all CSS files to be minified and compressed as it can save up to 313.3 kB or 81% of the original size.
Number of requests can be reduced by 26 (72%)
36
10
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vut 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 19 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
vut.blackboard.com
440 ms
shared.css
95 ms
theme.css
185 ms
app_nav.css
253 ms
brand.css
257 ms
i18n.js
259 ms
cdn.js
261 ms
34AA998BE808DB2FD97CB9A26A0FDBD7.js
594 ms
UserDataDWRFacade.js
268 ms
MashupDWRFacade.js
336 ms
4D870E05C43CA1A28FBFA94CA44D8134.js
342 ms
engine.js
347 ms
util.js
349 ms
E855B66BC90BC5DE077EB3617330A0F4.js
356 ms
UserDWRFacade.js
421 ms
welcomeOverlay.js
432 ms
social.js
439 ms
ProfileProviderService.js
433 ms
ToolActivityService.js
438 ms
tool_service.js
536 ms
16EA776CD3A8937ED484E54CB4182C48.js
611 ms
icon-core.css
437 ms
icon-listing.css
439 ms
theme1.css
449 ms
theme2.css
439 ms
iframe_api
74 ms
VUT_Learn_background_e-edit1.jpg
1504 ms
Bb_newLogo_060.png
113 ms
fonts.gif
116 ms
contrast.gif
115 ms
Gateway_Learn.jpg
112 ms
Powered_Bb_050.png
111 ms
close_mini.gif
202 ms
branding_Bb_learn_140.png
201 ms
utilicons-web-webfont.woff
190 ms
www-widgetapi.js
58 ms
print.css
94 ms
nr-885.min.js
94 ms
vut.blackboard.com 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
vut.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
Issues were logged in the Issues panel in Chrome Devtools
vut.blackboard.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Vut.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 Vut.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.
vut.blackboard.com
Open Graph description is not detected on the main page of Vut 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: