Tools & Wizards About Us
cs.umass.edu screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cs.umass.edu

Manning College of Information & Computer Sciences : UMass Amherst

Page Load Speed

1.4 sec in total

First Response

59 ms

Resources Loaded

980 ms

Page Rendered

377 ms

cs.umass.edu screenshot

About Website

Click here to check amazing Cs UMass content for United States. Otherwise, check out these important facts you probably never knew about cs.umass.edu

A world-class curriculum in computer science and informatics with BS, BA, MS and PhD degrees—ranked #20 overall and #11 in artificial intelligence by US News.

Visit cs.umass.edu

Key Findings

We analyzed Cs.umass.edu page load time and found that the first response time was 59 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

cs.umass.edu performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.39

26/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

cs.umass.edu

59 ms

www.cs.umass.edu

65 ms

www.cics.umass.edu

211 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

25 ms

css_EWyzj-O3KxKoVohHXpzZTK1AhxdT2cEOsFrJe6RUZg8.css

51 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cs.umass.edu, 63% (43 requests) were made to Cics.umass.edu and 10% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (430 ms) relates to the external source Cics.umass.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 219.3 kB (6%)

Content Size

3.6 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cs.umass.edu main page is 3.6 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. 60% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 103.8 kB

  • Original 130.9 kB
  • After minification 126.0 kB
  • After compression 27.1 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 103.8 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 49.0 kB

  • Original 3.3 MB
  • After minification 3.3 MB

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 UMass images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 58.5 kB

  • Original 138.4 kB
  • After minification 130.8 kB
  • After compression 79.9 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 58.5 kB or 42% of the original size.

CSS Optimization

-16%

Potential reduce by 8.0 kB

  • Original 49.2 kB
  • After minification 47.4 kB
  • After compression 41.2 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. Cs.umass.edu needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (58%)

Requests Now

57

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs UMass. 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 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs.umass.edu

cs.umass.edu

59 ms

www.cs.umass.edu

www.cs.umass.edu

65 ms

www.cics.umass.edu

www.cics.umass.edu

211 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

25 ms

css_EWyzj-O3KxKoVohHXpzZTK1AhxdT2cEOsFrJe6RUZg8.css

css_EWyzj-O3KxKoVohHXpzZTK1AhxdT2cEOsFrJe6RUZg8.css

51 ms

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css_rOnEcC41Mtx_9NSBNLN8oHo3qayOuEZWIINDKek22Qk.css

57 ms

css

css

48 ms

bootstrap.min.css

bootstrap.min.css

35 ms

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31 ms

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61 ms

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69 ms

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74 ms

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78 ms

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111 ms

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85 ms

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80 ms

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96 ms

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109 ms

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136 ms

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111 ms

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112 ms

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115 ms

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120 ms

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124 ms

bootstrap.min.js

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30 ms

jquery.meanmenu.fork.js

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134 ms

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158 ms

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159 ms

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198 ms

css

css

27 ms

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27 ms

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20 ms

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css

18 ms

gtm.js

gtm.js

254 ms

analytics.js

analytics.js

217 ms

UMassAmherst_longform-reversed.svg

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227 ms

detectives_0.jpg

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345 ms

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314 ms

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347 ms

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259 ms

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429 ms

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search-reversed.svg

255 ms

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194 ms

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264 ms

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303 ms

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142 ms

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141 ms

linkid.js

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44 ms

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61 ms

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21 ms

Accessibility Review

cs.umass.edu accessibility score

94

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

cs.umass.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cs.umass.edu SEO score

84

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs.umass.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Cs.umass.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.umass.edu

Open Graph description is not detected on the main page of Cs UMass. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: