Tools & Wizards About Us

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

d2l.arizona.edu

University of Arizona - D2L(Desire2Learn)

Page Load Speed

438 ms in total

First Response

67 ms

Resources Loaded

305 ms

Page Rendered

66 ms

About Website

Click here to check amazing D2L Arizona content for United States. Otherwise, check out these important facts you probably never knew about d2l.arizona.edu

Visit d2l.arizona.edu

Key Findings

We analyzed D2l.arizona.edu page load time and found that the first response time was 67 ms and then it took 371 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

d2l.arizona.edu performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

d2l.arizona.edu

67 ms

d2l.arizona.edu

24 ms

login

31 ms

17 ms

HostedLoginHelpers.js

24 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 59% of them (10 requests) were addressed to the original D2l.arizona.edu, 12% (2 requests) were made to Google-analytics.com and 12% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (67 ms) belongs to the original domain D2l.arizona.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.1 kB (20%)

Content Size

76.7 kB

After Optimization

61.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of D2l.arizona.edu main page is 76.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 59.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.1 kB

  • Original 8.6 kB
  • After minification 6.5 kB
  • After compression 2.5 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 2.1 kB, which is 24% 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 6.1 kB or 71% of the original size.

Image Optimization

-29%

Potential reduce by 936 B

  • Original 3.2 kB
  • After minification 2.3 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. Obviously, D2L Arizona needs image optimization as it can save up to 936 B or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 5.5 kB

  • Original 59.9 kB
  • After minification 59.9 kB
  • After compression 54.4 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

-51%

Potential reduce by 2.5 kB

  • Original 5.0 kB
  • After minification 5.0 kB
  • After compression 2.4 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. D2l.arizona.edu needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D2L Arizona. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

d2l.arizona.edu accessibility score

96

Accessibility Issues

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.

Best Practices

d2l.arizona.edu best practices score

67

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

Browser errors were logged to the console

SEO Factors

d2l.arizona.edu SEO score

89

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D2l.arizona.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that D2l.arizona.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 D2L Arizona. 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: