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ngu.blackboard.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ngu.blackboard.com

Blackboard Learn

Page Load Speed

884 ms in total

First Response

120 ms

Resources Loaded

575 ms

Page Rendered

189 ms

ngu.blackboard.com screenshot

About Website

Click here to check amazing Ngu Blackboard content for United States. Otherwise, check out these important facts you probably never knew about ngu.blackboard.com

Visit ngu.blackboard.com

Key Findings

We analyzed Ngu.blackboard.com page load time and found that the first response time was 120 ms and then it took 764 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

ngu.blackboard.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

ngu.blackboard.com

120 ms

NGU_Banner.png

114 ms

shared.css

24 ms

theme.css

42 ms

brand.css

63 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 86% of them (25 requests) were addressed to the original Ngu.blackboard.com, 3% (1 request) were made to Ngu.wpengine.com and 3% (1 request) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (182 ms) belongs to the original domain Ngu.blackboard.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 933.9 kB (75%)

Content Size

1.2 MB

After Optimization

314.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ngu.blackboard.com main page is 1.2 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 715.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 33.7 kB

  • Original 44.5 kB
  • After minification 43.8 kB
  • After compression 10.8 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 33.7 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 6.0 kB

  • Original 109.5 kB
  • After minification 103.5 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. Ngu Blackboard images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 589.1 kB

  • Original 715.2 kB
  • After minification 465.7 kB
  • After compression 126.1 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 589.1 kB or 82% of the original size.

CSS Optimization

-80%

Potential reduce by 305.0 kB

  • Original 378.9 kB
  • After minification 353.7 kB
  • After compression 73.9 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. Ngu.blackboard.com needs all CSS files to be minified and compressed as it can save up to 305.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (56%)

Requests Now

27

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ngu 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 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ngu.blackboard.com

ngu.blackboard.com

120 ms

NGU_Banner.png

NGU_Banner.png

114 ms

shared.css

shared.css

24 ms

theme.css

theme.css

42 ms

brand.css

brand.css

63 ms

i18n.js

i18n.js

42 ms

B55753B68865D67E05645F6CEC6BD4E5.js

B55753B68865D67E05645F6CEC6BD4E5.js

182 ms

UserDataDWRFacade.js

UserDataDWRFacade.js

64 ms

MashupDWRFacade.js

MashupDWRFacade.js

51 ms

7371CB0058A971D0BD4E6FC535E4F2AF.js

7371CB0058A971D0BD4E6FC535E4F2AF.js

72 ms

6B1604914AD935848CB83787128CE220.js

6B1604914AD935848CB83787128CE220.js

93 ms

Bb_newLogo_060.png

Bb_newLogo_060.png

70 ms

fonts.gif

fonts.gif

110 ms

contrast.gif

contrast.gif

108 ms

Gateway_Learn.jpg

Gateway_Learn.jpg

109 ms

Powered_Bb_050.png

Powered_Bb_050.png

123 ms

close_mini.gif

close_mini.gif

119 ms

branding_Bb_learn_140.png

branding_Bb_learn_140.png

133 ms

icon-core.css

icon-core.css

159 ms

icon-listing.css

icon-listing.css

140 ms

theme1.css

theme1.css

145 ms

theme2.css

theme2.css

125 ms

iframe_api

iframe_api

56 ms

bblearn_2011_bg.png

bblearn_2011_bg.png

33 ms

Bb_learn_small.png

Bb_learn_small.png

20 ms

utilicons-web-webfont.woff

utilicons-web-webfont.woff

18 ms

www-widgetapi.js

www-widgetapi.js

26 ms

print.css

print.css

21 ms

nr-885.min.js

nr-885.min.js

62 ms

Accessibility Review

ngu.blackboard.com accessibility score

91

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

ngu.blackboard.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ngu.blackboard.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ngu.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 Ngu.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.

Social Sharing Optimization

ngu.blackboard.com

Open Graph description is not detected on the main page of Ngu 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: