Tools & Wizards About Us
ww.coursera.org screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ww.coursera.org

Coursera | Degrees, Certificates, & Free Online Courses

Page Load Speed

4 sec in total

First Response

11 ms

Resources Loaded

2.8 sec

Page Rendered

1.2 sec

ww.coursera.org screenshot

About Website

Welcome to ww.coursera.org homepage info - get ready to check Ww Coursera best content for India right away, or after learning these important things about ww.coursera.org

Learn new job skills in online courses from industry leaders like Google, IBM, & Meta. Advance your career with top degrees from Michigan, Penn, Imperial & more.

Visit ww.coursera.org

Key Findings

We analyzed Ww.coursera.org page load time and found that the first response time was 11 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ww.coursera.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value4,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

ww.coursera.org

11 ms

www.coursera.org

2418 ms

allStyles.c3cbb986bb3dd280e6e5.css

70 ms

allStyles.c3cbb986bb3dd280e6e5.js

62 ms

en.app.8843ec4cfc652868cac5.js

153 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ww.coursera.org, 96% (78 requests) were made to D3njjcbhbojbot.cloudfront.net and 1% (1 request) were made to Coursera.org. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Coursera.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 871.2 kB (42%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ww.coursera.org main page is 2.1 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. 50% of websites need less resources to load. HTML takes 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 867.7 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 158.2 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 867.7 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 678 B

  • Original 372.6 kB
  • After minification 371.9 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. Ww Coursera images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.7 kB

  • Original 627.7 kB
  • After minification 627.7 kB
  • After compression 625.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 144 B

  • Original 29.4 kB
  • After minification 29.4 kB
  • After compression 29.2 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. Ww.coursera.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (29%)

Requests Now

72

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ww Coursera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ww.coursera.org

ww.coursera.org

11 ms

www.coursera.org

www.coursera.org

2418 ms

allStyles.c3cbb986bb3dd280e6e5.css

allStyles.c3cbb986bb3dd280e6e5.css

70 ms

allStyles.c3cbb986bb3dd280e6e5.js

allStyles.c3cbb986bb3dd280e6e5.js

62 ms

en.app.8843ec4cfc652868cac5.js

en.app.8843ec4cfc652868cac5.js

153 ms

BC-3401_LOHP_Q3_GLOBAL_720x500_01_2x.png

BC-3401_LOHP_Q3_GLOBAL_720x500_01_2x.png

75 ms

illinois-3.png

illinois-3.png

74 ms

duke-3.png

duke-3.png

74 ms

google.png

google.png

75 ms

umich.png

umich.png

76 ms

1000px-IBM_logo.svg.png

1000px-IBM_logo.svg.png

115 ms

imperial.png

imperial.png

115 ms

stanford.svg

stanford.svg

115 ms

penn.svg

penn.svg

117 ms

adrienne_testimonial_image.jpg

adrienne_testimonial_image.jpg

116 ms

Project-management-professional-certificate-SP-Logo.png

Project-management-professional-certificate-SP-Logo.png

117 ms

MSFT-stacked-logo_FINAL.png

MSFT-stacked-logo_FINAL.png

118 ms

1060x596_GCC-photos_Ashley.png

1060x596_GCC-photos_Ashley.png

118 ms

Google-G_360x360.png

Google-G_360x360.png

119 ms

1060x596_GCC-photos_Karrim.png

1060x596_GCC-photos_Karrim.png

161 ms

1060x596_GCC-photos_Ashley.png

1060x596_GCC-photos_Ashley.png

163 ms

Search-Thumbnail.jpg

Search-Thumbnail.jpg

162 ms

iStock-1169539468.jpg

iStock-1169539468.jpg

161 ms

6bb3e56bee1039824ca0e77ca81fbaa7.png

6bb3e56bee1039824ca0e77ca81fbaa7.png

163 ms

GenAI_Logo-Image_1200x1200pxl-copy.jpg

GenAI_Logo-Image_1200x1200pxl-copy.jpg

165 ms

SqThumbs-AI4G-_Globe_Blue_1200x1200_v2.png

SqThumbs-AI4G-_Globe_Blue_1200x1200_v2.png

164 ms

Navigating-GenAI.png

Navigating-GenAI.png

164 ms

image6.png

image6.png

172 ms

gc-logo-1000x1000.png

gc-logo-1000x1000.png

165 ms

Project-management-professional-certificate-SP-Logo.png

Project-management-professional-certificate-SP-Logo.png

167 ms

gc-logo-1000x1000.png

gc-logo-1000x1000.png

166 ms

unnamed.png

unnamed.png

167 ms

Career-Development.jpg

Career-Development.jpg

168 ms

Logo_Financial-Markets.png

Logo_Financial-Markets.png

170 ms

excel-g9ac6b342d_1920.png

excel-g9ac6b342d_1920.png

170 ms

iMBA+square.jpg

iMBA+square.jpg

170 ms

thumbnail.jpeg

thumbnail.jpeg

170 ms

7f1ba63f-ce16-4c29-9690-557ac3eb3168.jpg

7f1ba63f-ce16-4c29-9690-557ac3eb3168.jpg

171 ms

bundle.tracing.replay.min.js

bundle.tracing.replay.min.js

98 ms

header.jpg

header.jpg

141 ms

f72d8562-8cea-4936-9c8a-ab83b5983b41.jpg

f72d8562-8cea-4936-9c8a-ab83b5983b41.jpg

103 ms

40ad070e-4c5d-4f7b-93b1-16792b711e78.jpg

40ad070e-4c5d-4f7b-93b1-16792b711e78.jpg

102 ms

35588568-f8e7-44ff-8285-4b7f23947ebf.jpg

35588568-f8e7-44ff-8285-4b7f23947ebf.jpg

103 ms

data_science.png

data_science.png

102 ms

business.png

business.png

101 ms

computer_science.png

computer_science.png

78 ms

health.png

health.png

76 ms

social_sciences.png

social_sciences.png

77 ms

personal_development.png

personal_development.png

76 ms

arts_and_humanities.png

arts_and_humanities.png

76 ms

physical_science_and_engineering.png

physical_science_and_engineering.png

75 ms

language_learning.png

language_learning.png

75 ms

information_technology.png

information_technology.png

76 ms

math_and_logic.png

math_and_logic.png

75 ms

outcomes.png

outcomes.png

72 ms

loreal.svg

loreal.svg

34 ms

pandg.svg

pandg.svg

34 ms

tata.svg

tata.svg

34 ms

DANONE_LOGO.png

DANONE_LOGO.png

34 ms

Emirates_NBD_logo.png

Emirates_NBD_logo.png

33 ms

Reliance_logo-2.svg

Reliance_logo-2.svg

34 ms

logo-capgemini.svg

logo-capgemini.svg

33 ms

logo-petrobras.svg

logo-petrobras.svg

33 ms

General_Electric_logo.svg

General_Electric_logo.svg

33 ms

Image-Next-Step.png

Image-Next-Step.png

33 ms

download_on_the_app_store_badge_en.svg

download_on_the_app_store_badge_en.svg

32 ms

en_generic_rgb_wo_45.png

en_generic_rgb_wo_45.png

32 ms

2018-B-Corp-Logo-Black-S.png

2018-B-Corp-Logo-Black-S.png

32 ms

facebook.png

facebook.png

31 ms

linkedin.png

linkedin.png

31 ms

twitter.png

twitter.png

31 ms

youtube.png

youtube.png

31 ms

instagram.png

instagram.png

30 ms

9b7e964107839c77644d7e7d15035b73.png

9b7e964107839c77644d7e7d15035b73.png

31 ms

opensans-300.woff

opensans-300.woff

17 ms

opensans-regular.woff

opensans-regular.woff

17 ms

opensans-700.woff

opensans-700.woff

17 ms

source-sans-pro-v14-latin-700.woff

source-sans-pro-v14-latin-700.woff

16 ms

source-sans-pro-v14-latin-600.woff

source-sans-pro-v14-latin-600.woff

16 ms

source-sans-pro-v14-latin-regular.woff

source-sans-pro-v14-latin-regular.woff

16 ms

source-sans-pro-v14-latin-300.woff

source-sans-pro-v14-latin-300.woff

17 ms

Accessibility Review

ww.coursera.org accessibility score

98

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.

Best Practices

ww.coursera.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ww.coursera.org SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Ww.coursera.org 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 Ww.coursera.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

ww.coursera.org

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