Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

web.cs.umass.edu

Manning College of Information and Computer Sciences | UMass Amherst

Page Load Speed

2.3 sec in total

First Response

53 ms

Resources Loaded

901 ms

Page Rendered

1.3 sec

web.cs.umass.edu screenshot

About Website

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

Key Findings

We analyzed Web.cs.umass.edu page load time and found that the first response time was 53 ms and then it took 2.2 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

web.cs.umass.edu performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value2,480 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

Network Requests Diagram

web.cs.umass.edu

53 ms

www.cs.umass.edu

108 ms

www.cics.umass.edu

39 ms

js

63 ms

google_tag.script.js

10 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Web.cs.umass.edu, 62% (60 requests) were made to Cics.umass.edu and 8% (8 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (145 ms) relates to the external source Use.fontawesome.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.6 kB (8%)

Content Size

3.1 MB

After Optimization

2.9 MB

In fact, the total size of Web.cs.umass.edu main page is 3.1 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. Only a small number of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 94.4 kB

  • Original 120.4 kB
  • After minification 114.7 kB
  • After compression 26.1 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 94.4 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 145.6 kB

  • Original 2.0 MB
  • After minification 1.9 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. Web Cs UMass images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 6.7 kB

  • Original 849.6 kB
  • After minification 849.6 kB
  • After compression 842.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 8.0 kB

  • Original 136.1 kB
  • After minification 134.9 kB
  • After compression 128.1 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. Web.cs.umass.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 63 (74%)

Requests Now

85

After Optimization

22

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web 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 27 to 1 for JavaScripts and from 38 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

web.cs.umass.edu accessibility score

94

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

web.cs.umass.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

web.cs.umass.edu SEO score

75

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

High

Image elements do not have [alt] attributes

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 Web.cs.umass.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 Web.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

Open Graph description is not detected on the main page of Web 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: