Tools & Wizards About Us
davenport.blackboard.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

davenport.blackboard.com

Blackboard Learn

Page Load Speed

721 ms in total

First Response

151 ms

Resources Loaded

460 ms

Page Rendered

110 ms

davenport.blackboard.com screenshot

About Website

Welcome to davenport.blackboard.com homepage info - get ready to check Davenport Blackboard best content for United States right away, or after learning these important things about davenport.blackboard.com

Visit davenport.blackboard.com

Key Findings

We analyzed Davenport.blackboard.com page load time and found that the first response time was 151 ms and then it took 570 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

davenport.blackboard.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value2,520 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

davenport.blackboard.com

151 ms

grid.css

10 ms

blackboard.css

19 ms

palette.css

18 ms

shared.css

25 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 80% of them (24 requests) were addressed to the original Davenport.blackboard.com, 13% (4 requests) were made to Webservices.davenport.edu and 3% (1 request) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (230 ms) relates to the external source Webservices.davenport.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 769.6 kB (82%)

Content Size

943.8 kB

After Optimization

174.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Davenport.blackboard.com main page is 943.8 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. 40% of websites need less resources to load. Javascripts take 472.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.8 kB

  • Original 49.4 kB
  • After minification 46.2 kB
  • After compression 8.6 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 40.8 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 987 B

  • Original 10.9 kB
  • After minification 9.9 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. Davenport Blackboard images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 395.2 kB

  • Original 472.0 kB
  • After minification 288.4 kB
  • After compression 76.8 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 395.2 kB or 84% of the original size.

CSS Optimization

-81%

Potential reduce by 332.6 kB

  • Original 411.5 kB
  • After minification 377.0 kB
  • After compression 78.9 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. Davenport.blackboard.com needs all CSS files to be minified and compressed as it can save up to 332.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (72%)

Requests Now

29

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Davenport 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 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

davenport.blackboard.com

davenport.blackboard.com

151 ms

grid.css

grid.css

10 ms

blackboard.css

blackboard.css

19 ms

palette.css

palette.css

18 ms

shared.css

shared.css

25 ms

theme.css

theme.css

30 ms

colorpalette.generated.modern.css

colorpalette.generated.modern.css

31 ms

prototype.js

prototype.js

34 ms

i18n.js

i18n.js

21 ms

validateForm.js

validateForm.js

31 ms

numberLocalizer.js

numberLocalizer.js

34 ms

accessibleSelect.js

accessibleSelect.js

34 ms

fastinit.js

fastinit.js

32 ms

page.js

page.js

38 ms

calendar-time-legacy.js

calendar-time-legacy.js

33 ms

main.css

main.css

230 ms

cookie.js

cookie.js

38 ms

validate_login.js

validate_login.js

37 ms

icon-core.css

icon-core.css

20 ms

icon-listing.css

icon-listing.css

20 ms

theme1.css

theme1.css

23 ms

theme2.css

theme2.css

38 ms

iframe_api

iframe_api

72 ms

icon_tech_support.gif

icon_tech_support.gif

172 ms

footer_bar.gif

footer_bar.gif

197 ms

Powered_Bb_050.png

Powered_Bb_050.png

19 ms

close_mini.gif

close_mini.gif

18 ms

branding_Bb_learn_140.png

branding_Bb_learn_140.png

18 ms

www-widgetapi.js

www-widgetapi.js

57 ms

background.gif

background.gif

29 ms

Accessibility Review

davenport.blackboard.com accessibility score

93

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

davenport.blackboard.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

davenport.blackboard.com SEO score

91

Search Engine Optimization Advices

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 Davenport.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 Davenport.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

davenport.blackboard.com

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