Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ritchieschool.du.edu

Ritchie School of Engineering and Computer Science | University of Denver

Page Load Speed

634 ms in total

First Response

62 ms

Resources Loaded

428 ms

Page Rendered

144 ms

ritchieschool.du.edu screenshot

About Website

Visit ritchieschool.du.edu now to see the best up-to-date Ritchie School Du content for United States and also check out these interesting facts you probably never knew about ritchieschool.du.edu

More Information

Visit ritchieschool.du.edu

Key Findings

We analyzed Ritchieschool.du.edu page load time and found that the first response time was 62 ms and then it took 572 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

ritchieschool.du.edu performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.814

4/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

ritchieschool.du.edu

62 ms

wp-emoji-release.min.js

11 ms

otw-grid.css

17 ms

otw_sbm.css

19 ms

uberbox.css

22 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 96% of them (71 requests) were addressed to the original Ritchieschool.du.edu, 1% (1 request) were made to Du.edu and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (221 ms) relates to the external source Du.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (69%)

Content Size

1.8 MB

After Optimization

566.7 kB

In fact, the total size of Ritchieschool.du.edu main page is 1.8 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. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.4 kB

  • Original 74.6 kB
  • After minification 73.5 kB
  • After compression 14.2 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 60.4 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 11.1 kB

  • Original 257.7 kB
  • After minification 246.6 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. Ritchie School Du images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 778.5 kB

  • Original 1.0 MB
  • After minification 798.3 kB
  • After compression 238.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 778.5 kB or 77% of the original size.

CSS Optimization

-87%

Potential reduce by 430.5 kB

  • Original 497.6 kB
  • After minification 412.9 kB
  • After compression 67.2 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. Ritchieschool.du.edu needs all CSS files to be minified and compressed as it can save up to 430.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (86%)

Requests Now

73

After Optimization

10

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ritchie School Du. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ritchieschool.du.edu accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

ritchieschool.du.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

ritchieschool.du.edu SEO score

91

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

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 Ritchieschool.du.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 Ritchieschool.du.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 data is detected on the main page of Ritchie School Du. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: