Tools & Wizards About Us
courseworld.org screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

courseworld.org

CourseWorld

Page Load Speed

5 sec in total

First Response

26 ms

Resources Loaded

4.8 sec

Page Rendered

178 ms

courseworld.org screenshot

About Website

Visit courseworld.org now to see the best up-to-date Course World content for United States and also check out these interesting facts you probably never knew about courseworld.org

Watch free educational videos about the Arts and Humanities. Discover and browse thousands of high-quality lectures from top universities. Join the movement.

Visit courseworld.org

Key Findings

We analyzed Courseworld.org page load time and found that the first response time was 26 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

courseworld.org performance score

0

Network Requests Diagram

courseworld.org

26 ms

www.courseworld.org

4138 ms

style.css

30 ms

jquery-ui.css

23 ms

discovery-ed-SRC.css

26 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 74% of them (67 requests) were addressed to the original Courseworld.org, 11% (10 requests) were made to I1.ytimg.com and 3% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Courseworld.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (78%)

Content Size

2.3 MB

After Optimization

505.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courseworld.org main page is 2.3 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. 85% 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 715.1 kB

  • Original 756.0 kB
  • After minification 451.9 kB
  • After compression 40.9 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. This page needs HTML code to be minified as it can gain 304.1 kB, which is 40% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 715.1 kB or 95% of the original size.

Image Optimization

-7%

Potential reduce by 9.5 kB

  • Original 129.8 kB
  • After minification 120.3 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. Course World images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 961.1 kB

  • Original 1.3 MB
  • After minification 1.2 MB
  • After compression 321.2 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 961.1 kB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 109.1 kB

  • Original 132.3 kB
  • After minification 108.8 kB
  • After compression 23.2 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. Courseworld.org needs all CSS files to be minified and compressed as it can save up to 109.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (49%)

Requests Now

83

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

courseworld.org

courseworld.org

26 ms

www.courseworld.org

www.courseworld.org

4138 ms

style.css

style.css

30 ms

jquery-ui.css

jquery-ui.css

23 ms

discovery-ed-SRC.css

discovery-ed-SRC.css

26 ms

jquery.fancybox.css

jquery.fancybox.css

28 ms

jquery-1.9.1.js

jquery-1.9.1.js

33 ms

jquery-ui.js

jquery-ui.js

74 ms

jscriptCombineHeader.js

jscriptCombineHeader.js

104 ms

jscriptCombineWWM.js

jscriptCombineWWM.js

41 ms

de-header.js

de-header.js

33 ms

jquery.fancybox.js

jquery.fancybox.js

32 ms

common.js

common.js

37 ms

fb.js

fb.js

37 ms

jquery-impromptu.css

jquery-impromptu.css

37 ms

jquery-impromptu.js

jquery-impromptu.js

46 ms

validationEngine.jquery.css

validationEngine.jquery.css

45 ms

jquery.validationEngine.js

jquery.validationEngine.js

49 ms

jquery.validationEngine-en.js

jquery.validationEngine-en.js

51 ms

skdslider.min.js

skdslider.min.js

69 ms

skdslider.css

skdslider.css

69 ms

jquery.custom-scrollbar.css

jquery.custom-scrollbar.css

97 ms

jquery.custom-scrollbar.js

jquery.custom-scrollbar.js

97 ms

jquery.slides.min.js

jquery.slides.min.js

98 ms

jquery.tipsy.js

jquery.tipsy.js

98 ms

tipsy.css

tipsy.css

97 ms

hoverefaect.js

hoverefaect.js

140 ms

css

css

28 ms

all.js

all.js

186 ms

default.jpg

default.jpg

148 ms

default.jpg

default.jpg

145 ms

default.jpg

default.jpg

151 ms

default.jpg

default.jpg

159 ms

default.jpg

default.jpg

154 ms

default.jpg

default.jpg

151 ms

default.jpg

default.jpg

152 ms

default.jpg

default.jpg

153 ms

default.jpg

default.jpg

216 ms

default.jpg

default.jpg

159 ms

default.jpg

default.jpg

159 ms

opa_bg_01.png

opa_bg_01.png

143 ms

logo_new.png

logo_new.png

142 ms

header_icon_set.png

header_icon_set.png

143 ms

062fe8fca4bafba9d7e790dcf745367e.jpg

062fe8fca4bafba9d7e790dcf745367e.jpg

150 ms

0b6a3f73f875d4b59fb0867110839a1d.jpg

0b6a3f73f875d4b59fb0867110839a1d.jpg

148 ms

5128991823964780455e954f76b6c084.jpg

5128991823964780455e954f76b6c084.jpg

146 ms

2fb0df977d2debce48a1acf38dddaaf2.jpg

2fb0df977d2debce48a1acf38dddaaf2.jpg

144 ms

b877101304aa636cfbaa41b74fdbffd0.jpg

b877101304aa636cfbaa41b74fdbffd0.jpg

153 ms

opa_bg_02.png

opa_bg_02.png

143 ms

text_img.png

text_img.png

145 ms

search_button.png

search_button.png

146 ms

banner_button_img.png

banner_button_img.png

146 ms

view_icon.png

view_icon.png

146 ms

add_videobg.png

add_videobg.png

147 ms

right_face.png

right_face.png

149 ms

right_twi.png

right_twi.png

150 ms

right_img1.png

right_img1.png

154 ms

media_hoverimg.png

media_hoverimg.png

151 ms

dialogbox_icon.png

dialogbox_icon.png

153 ms

foot_fb_icon.png

foot_fb_icon.png

153 ms

foot_tweet_icon.png

foot_tweet_icon.png

154 ms

default.jpg

default.jpg

141 ms

ga.js

ga.js

101 ms

57 ms

main_rept_navbg.png

main_rept_navbg.png

39 ms

main_navbg.png

main_navbg.png

40 ms

nav_sep.png

nav_sep.png

40 ms

box_bg.png

box_bg.png

41 ms

plusBtn.png

plusBtn.png

41 ms

right_img_captionbg.png

right_img_captionbg.png

40 ms

right_img_captionbg_bottom.png

right_img_captionbg_bottom.png

41 ms

leaderboardbg.png

leaderboardbg.png

42 ms

footer_bg.png

footer_bg.png

42 ms

footer_divider.png

footer_divider.png

43 ms

footer_submitbg.png

footer_submitbg.png

42 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

42 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

43 ms

open-sans.light-webfont.woff

open-sans.light-webfont.woff

43 ms

__utm.gif

__utm.gif

31 ms

142 ms

xd_arbiter.php

xd_arbiter.php

147 ms

xd_arbiter.php

xd_arbiter.php

252 ms

slide-bg-active.png

slide-bg-active.png

122 ms

slide-bg.png

slide-bg.png

127 ms

left.png

left.png

128 ms

right.png

right.png

125 ms

pause.png

pause.png

116 ms

I27Pb-wEGH2ajLYP0QrtSInF5uFdDttMLvmWuJdhhgs.ttf

I27Pb-wEGH2ajLYP0QrtSInF5uFdDttMLvmWuJdhhgs.ttf

8 ms

-KTKVm0Mx9ZCRXL9CXVIbaCWcynf_cDxXwCLxiixG1c.ttf

-KTKVm0Mx9ZCRXL9CXVIbaCWcynf_cDxXwCLxiixG1c.ttf

13 ms

xd_arbiter.php

xd_arbiter.php

87 ms

SEO Factors

courseworld.org SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courseworld.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Courseworld.org 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

courseworld.org

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