Tools & Wizards About Us
cs.indiana.edu screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cs.indiana.edu

Department of Computer Science: Indiana University Bloomington

Page Load Speed

2.3 sec in total

First Response

206 ms

Resources Loaded

1.7 sec

Page Rendered

425 ms

cs.indiana.edu screenshot

About Website

Visit cs.indiana.edu now to see the best up-to-date Cs Indiana content for United States and also check out these interesting facts you probably never knew about cs.indiana.edu

Computing is everywhere. Learn to use computers to develop fast, scalable, and secure solutions in the IU Department of Computer Science.

Visit cs.indiana.edu

Key Findings

We analyzed Cs.indiana.edu page load time and found that the first response time was 206 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cs.indiana.edu performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.265

46/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

cs.indiana.edu

206 ms

style.css

116 ms

icon-font.css

115 ms

iu-framework.min.css

170 ms

brand.min.css

185 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 20% of them (11 requests) were addressed to the original Cs.indiana.edu, 27% (15 requests) were made to Assets.iu.edu and 18% (10 requests) were made to News.luddy.indiana.edu. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source News.luddy.indiana.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.3 kB (11%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cs.indiana.edu main page is 1.3 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. 65% of websites need less resources to load. Images take 726.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 52.2 kB

  • Original 62.7 kB
  • After minification 55.7 kB
  • After compression 10.5 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 7.0 kB, which is 11% 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 52.2 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 4.7 kB

  • Original 726.7 kB
  • After minification 722.0 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. Cs Indiana images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 48.0 kB

  • Original 377.8 kB
  • After minification 377.8 kB
  • After compression 329.8 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 48.0 kB or 13% of the original size.

CSS Optimization

-41%

Potential reduce by 36.4 kB

  • Original 89.7 kB
  • After minification 77.1 kB
  • After compression 53.3 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. Cs.indiana.edu needs all CSS files to be minified and compressed as it can save up to 36.4 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs Indiana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs.indiana.edu

cs.indiana.edu

206 ms

style.css

style.css

116 ms

icon-font.css

icon-font.css

115 ms

iu-framework.min.css

iu-framework.min.css

170 ms

brand.min.css

brand.min.css

185 ms

search.min.css

search.min.css

194 ms

modernizr.min.js

modernizr.min.js

200 ms

sice.css

sice.css

40 ms

site.css

site.css

67 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

15 ms

jquery-ui.js

jquery-ui.js

247 ms

iu-framework.min.js

iu-framework.min.js

320 ms

search.min.js

search.min.js

245 ms

sice.js

sice.js

84 ms

site.js

site.js

84 ms

gtm.js

gtm.js

121 ms

filmenczer310x310.png

filmenczer310x310.png

356 ms

akeshahorton310x310.png

akeshahorton310x310.png

700 ms

armbrace310x310.png

armbrace310x310.png

797 ms

gacekmira310x310.png

gacekmira310x310.png

792 ms

katiesiek310x310.png

katiesiek310x310.png

793 ms

springgrad310x310.png

springgrad310x310.png

795 ms

Justin%20and%20Samantha%20research%20.png

Justin%20and%20Samantha%20research%20.png

1158 ms

Boulder-Robot-Conference-Border.jpg

Boulder-Robot-Conference-Border.jpg

792 ms

Gym%20Journey.jpg

Gym%20Journey.jpg

795 ms

Olgun%20workshop.png

Olgun%20workshop.png

810 ms

luddy-cs-cameras-sm.jpg

luddy-cs-cameras-sm.jpg

176 ms

luddy-tomorrow-background.jpg

luddy-tomorrow-background.jpg

299 ms

tomorrow-crimson.svg

tomorrow-crimson.svg

96 ms

cs-expertise-home.jpg

cs-expertise-home.jpg

300 ms

cs-spotlight-ruiyu.zhu.jpg

cs-spotlight-ruiyu.zhu.jpg

300 ms

trident-large.png

trident-large.png

92 ms

search.png

search.png

93 ms

search.png

search.png

93 ms

ajax-loader.gif

ajax-loader.gif

91 ms

iu-sig-formal.svg

iu-sig-formal.svg

88 ms

benton-sans-regular.woff

benton-sans-regular.woff

202 ms

benton-sans-bold.woff

benton-sans-bold.woff

241 ms

benton-sans-cond-bold.woff

benton-sans-cond-bold.woff

512 ms

benton-sans-cond-regular.woff

benton-sans-cond-regular.woff

500 ms

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77 ms

js

js

227 ms

gtm.js

gtm.js

227 ms

search.png

search.png

120 ms

cse.js

cse.js

197 ms

scrollmagic.js

scrollmagic.js

158 ms

iu.slick.min.js

iu.slick.min.js

42 ms

cse.js

cse.js

281 ms

gtm.js

gtm.js

77 ms

cse_element__en.js

cse_element__en.js

14 ms

default+en.css

default+en.css

11 ms

default.css

default.css

8 ms

async-ads.js

async-ads.js

48 ms

branding.png

branding.png

42 ms

clear.png

clear.png

17 ms

Accessibility Review

cs.indiana.edu accessibility score

100

Accessibility Issues

Best Practices

cs.indiana.edu best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

cs.indiana.edu SEO score

100

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 Cs.indiana.edu 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 Cs.indiana.edu 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

cs.indiana.edu

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