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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

blackboardwww.coursesites.com

Blackboard CourseSites

Page Load Speed

963 ms in total

First Response

31 ms

Resources Loaded

830 ms

Page Rendered

102 ms

blackboardwww.coursesites.com screenshot

About Website

Click here to check amazing Blackboard Www Course Sites content for United States. Otherwise, check out these important facts you probably never knew about blackboardwww.coursesites.com

CourseSites by Blackboard is a free learning management system for K12 and Higher Ed Instructors enabling blended & eLearning.

Visit blackboardwww.coursesites.com

Key Findings

We analyzed Blackboardwww.coursesites.com page load time and found that the first response time was 31 ms and then it took 932 ms 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.

Performance Metrics

blackboardwww.coursesites.com performance score

0

Network Requests Diagram

index.html

31 ms

ga.js

56 ms

uniform.cs.css

44 ms

fancybox.css

38 ms

master.css

39 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 73% of them (32 requests) were addressed to the original Blackboardwww.coursesites.com, 7% (3 requests) were made to Ssl.google-analytics.com and 5% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (567 ms) relates to the external source Coursesites.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 497.3 kB (69%)

Content Size

717.5 kB

After Optimization

220.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackboardwww.coursesites.com main page is 717.5 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 498.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.7 kB

  • Original 30.4 kB
  • After minification 27.4 kB
  • After compression 7.7 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 22.7 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 2.8 kB

  • Original 80.4 kB
  • After minification 77.6 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. Blackboard Www Course Sites images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 377.1 kB

  • Original 498.4 kB
  • After minification 383.6 kB
  • After compression 121.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 377.1 kB or 76% of the original size.

CSS Optimization

-87%

Potential reduce by 94.7 kB

  • Original 108.3 kB
  • After minification 79.3 kB
  • After compression 13.6 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. Blackboardwww.coursesites.com needs all CSS files to be minified and compressed as it can save up to 94.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (56%)

Requests Now

41

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackboard Www Course Sites. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

31 ms

ga.js

ga.js

56 ms

uniform.cs.css

uniform.cs.css

44 ms

fancybox.css

fancybox.css

38 ms

master.css

master.css

39 ms

dropdown.css

dropdown.css

72 ms

fastinit.js

fastinit.js

18 ms

i18n.js

i18n.js

22 ms

libsNew.js

libsNew.js

53 ms

base64.js

base64.js

42 ms

md5.js

md5.js

51 ms

md5-legacy.js

md5-legacy.js

44 ms

validate_login.js

validate_login.js

48 ms

cookie.js

cookie.js

51 ms

prettyPhoto.css

prettyPhoto.css

85 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

88 ms

prototype.js

prototype.js

86 ms

jstorage.js

jstorage.js

123 ms

version_pinned_scriptaculous.js

version_pinned_scriptaculous.js

84 ms

stats.js

stats.js

567 ms

cookieConsent.js

cookieConsent.js

100 ms

__utm.gif

__utm.gif

20 ms

__utm.gif

__utm.gif

18 ms

builder.js

builder.js

7 ms

effects.js

effects.js

9 ms

dragdrop.js

dragdrop.js

13 ms

controls.js

controls.js

11 ms

all.js

all.js

36 ms

t_small-a.png

t_small-a.png

185 ms

youtube_24x24.png

youtube_24x24.png

74 ms

bullet_green_down.png

bullet_green_down.png

71 ms

logo_coursesites.png

logo_coursesites.png

72 ms

laptop-front.jpg

laptop-front.jpg

98 ms

moocVideo.jpg

moocVideo.jpg

71 ms

infographic.png

infographic.png

99 ms

adobe_logo.jpg

adobe_logo.jpg

144 ms

33 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

26 ms

23BA9D_0_0.woff

23BA9D_0_0.woff

29 ms

cs-facebook.png

cs-facebook.png

34 ms

logo-footer-black.png

logo-footer-black.png

27 ms

country.js

country.js

54 ms

like.php

like.php

25 ms

S5b6OlBXeaD.css

S5b6OlBXeaD.css

12 ms

SEO Factors

blackboardwww.coursesites.com SEO score

0

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 Blackboardwww.coursesites.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 Blackboardwww.coursesites.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

blackboardwww.coursesites.com

Open Graph data is detected on the main page of Blackboard Www Course Sites. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: