Tools & Wizards About Us
tr.coursera.org screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

tr.coursera.org

Coursera | Degrees, Certificates, & Free Online Courses

Page Load Speed

3.1 sec in total

First Response

9 ms

Resources Loaded

1.6 sec

Page Rendered

1.4 sec

tr.coursera.org screenshot

About Website

Click here to check amazing Tr Coursera content for India. Otherwise, check out these important facts you probably never knew about tr.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 tr.coursera.org

Key Findings

We analyzed Tr.coursera.org page load time and found that the first response time was 9 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tr.coursera.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value11.6 s

5/100

10%

TBT (Total Blocking Time)

Value6,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

tr.coursera.org

9 ms

www.coursera.org

1094 ms

allStyles.036607de29fb40504a66.css

78 ms

allStyles.036607de29fb40504a66.js

166 ms

en.app.55a7d4576447327d7a83.js

224 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tr.coursera.org, 96% (80 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 (1.1 sec) relates to the external source Coursera.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (43%)

Content Size

2.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tr.coursera.org main page is 2.4 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 189.9 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. 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 1.0 MB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 721 B

  • Original 509.6 kB
  • After minification 508.9 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. Tr Coursera images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.7 kB

  • Original 618.4 kB
  • After minification 618.3 kB
  • After compression 615.7 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. Tr.coursera.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (28%)

Requests Now

74

After Optimization

53

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tr 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

tr.coursera.org

tr.coursera.org

9 ms

www.coursera.org

www.coursera.org

1094 ms

allStyles.036607de29fb40504a66.css

allStyles.036607de29fb40504a66.css

78 ms

allStyles.036607de29fb40504a66.js

allStyles.036607de29fb40504a66.js

166 ms

en.app.55a7d4576447327d7a83.js

en.app.55a7d4576447327d7a83.js

224 ms

5ee5bde1f4ca2124f7a7086331fa8307.png

5ee5bde1f4ca2124f7a7086331fa8307.png

141 ms

8f0f9bd2b409eef47cb3b2c57bb222b0.png

8f0f9bd2b409eef47cb3b2c57bb222b0.png

156 ms

coursera-plus-blue.png

coursera-plus-blue.png

138 ms

illinois-3.png

illinois-3.png

140 ms

duke-3.png

duke-3.png

157 ms

google.png

google.png

157 ms

umich.png

umich.png

157 ms

1000px-IBM_logo.svg.png

1000px-IBM_logo.svg.png

158 ms

imperial.png

imperial.png

190 ms

stanford.svg

stanford.svg

190 ms

penn.svg

penn.svg

192 ms

adrienne_testimonial_image.jpg

adrienne_testimonial_image.jpg

192 ms

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

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

194 ms

MSFT-stacked-logo_FINAL.png

MSFT-stacked-logo_FINAL.png

195 ms

1060x596_GCC-photos_Ashley.png

1060x596_GCC-photos_Ashley.png

194 ms

Google-G_360x360.png

Google-G_360x360.png

196 ms

1060x596_GCC-photos_Karrim.png

1060x596_GCC-photos_Karrim.png

195 ms

1060x596_GCC-photos_Ashley.png

1060x596_GCC-photos_Ashley.png

200 ms

Search-Thumbnail.jpg

Search-Thumbnail.jpg

198 ms

iStock-1169539468.jpg

iStock-1169539468.jpg

197 ms

6bb3e56bee1039824ca0e77ca81fbaa7.png

6bb3e56bee1039824ca0e77ca81fbaa7.png

198 ms

GenAI_Logo-Image_1200x1200pxl-copy.jpg

GenAI_Logo-Image_1200x1200pxl-copy.jpg

200 ms

SqThumbs-AI4G-_Globe_Blue_1200x1200_v2.png

SqThumbs-AI4G-_Globe_Blue_1200x1200_v2.png

201 ms

Navigating-GenAI.png

Navigating-GenAI.png

202 ms

image6.png

image6.png

203 ms

gc-logo-1000x1000.png

gc-logo-1000x1000.png

204 ms

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

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

205 ms

gc-logo-1000x1000.png

gc-logo-1000x1000.png

203 ms

unnamed.png

unnamed.png

206 ms

Career-Development.jpg

Career-Development.jpg

206 ms

Logo_Financial-Markets.png

Logo_Financial-Markets.png

208 ms

excel-g9ac6b342d_1920.png

excel-g9ac6b342d_1920.png

208 ms

iMBA+square.jpg

iMBA+square.jpg

208 ms

bundle.tracing.replay.min.js

bundle.tracing.replay.min.js

292 ms

thumbnail.jpeg

thumbnail.jpeg

126 ms

header.jpg

header.jpg

77 ms

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

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

76 ms

thumbnail.jpg

thumbnail.jpg

76 ms

1203ebfb-99c9-4919-b943-18add117e361.jpg

1203ebfb-99c9-4919-b943-18add117e361.jpg

74 ms

imsa-thumbnail.jpg

imsa-thumbnail.jpg

60 ms

data_science.png

data_science.png

57 ms

business.png

business.png

59 ms

computer_science.png

computer_science.png

58 ms

health.png

health.png

43 ms

social_sciences.png

social_sciences.png

125 ms

personal_development.png

personal_development.png

124 ms

arts_and_humanities.png

arts_and_humanities.png

125 ms

physical_science_and_engineering.png

physical_science_and_engineering.png

124 ms

language_learning.png

language_learning.png

124 ms

information_technology.png

information_technology.png

124 ms

math_and_logic.png

math_and_logic.png

124 ms

outcomes.png

outcomes.png

124 ms

loreal.svg

loreal.svg

124 ms

pandg.svg

pandg.svg

123 ms

tata.svg

tata.svg

123 ms

DANONE_LOGO.png

DANONE_LOGO.png

123 ms

Emirates_NBD_logo.png

Emirates_NBD_logo.png

122 ms

Reliance_logo-2.svg

Reliance_logo-2.svg

122 ms

logo-capgemini.svg

logo-capgemini.svg

122 ms

logo-petrobras.svg

logo-petrobras.svg

121 ms

General_Electric_logo.svg

General_Electric_logo.svg

120 ms

Image-Next-Step.png

Image-Next-Step.png

121 ms

download_on_the_app_store_badge_en.svg

download_on_the_app_store_badge_en.svg

120 ms

en_generic_rgb_wo_45.png

en_generic_rgb_wo_45.png

123 ms

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

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

121 ms

facebook.png

facebook.png

122 ms

linkedin.png

linkedin.png

121 ms

twitter.png

twitter.png

121 ms

youtube.png

youtube.png

121 ms

instagram.png

instagram.png

120 ms

9b7e964107839c77644d7e7d15035b73.png

9b7e964107839c77644d7e7d15035b73.png

120 ms

opensans-300.woff

opensans-300.woff

69 ms

opensans-regular.woff

opensans-regular.woff

72 ms

opensans-700.woff

opensans-700.woff

70 ms

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

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

71 ms

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

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

70 ms

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

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

72 ms

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

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

72 ms

Accessibility Review

tr.coursera.org accessibility score

100

Accessibility Issues

Best Practices

tr.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

tr.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 Tr.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 Tr.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

tr.coursera.org

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