Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

music.colorado.edu

College of Music | University of Colorado Boulder

Page Load Speed

3.1 sec in total

First Response

295 ms

Resources Loaded

2.4 sec

Page Rendered

384 ms

music.colorado.edu screenshot

About Website

Click here to check amazing Music Colorado content for United States. Otherwise, check out these important facts you probably never knew about music.colorado.edu

Since 1920, the CU Boulder College of Music offers a wide range of programs for undergraduate and graduate study, integrating advanced musical training with professionally oriented experiences and the...

Visit music.colorado.edu

Key Findings

We analyzed Music.colorado.edu page load time and found that the first response time was 295 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

music.colorado.edu performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

music.colorado.edu

295 ms

1054 ms

af7248d2-c021-4ef9-8764-5b9811150446.css

57 ms

css_XbVxABpnkvouMI_NnCiwJVNqEQFm85yoE4ArMW-2Jfs.css

78 ms

css_xFRrvEuGbS2yj86_KTxl82mEwk6qqV_mK0x2ksbTxUw.css

84 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Music.colorado.edu, 78% (39 requests) were made to Colorado.edu and 10% (5 requests) were made to Fast.fonts.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Colorado.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.9 kB (15%)

Content Size

2.6 MB

After Optimization

2.2 MB

In fact, the total size of Music.colorado.edu main page is 2.6 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. 40% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.7 kB

  • Original 55.0 kB
  • After minification 53.4 kB
  • After compression 9.3 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 45.7 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 55.1 kB

  • Original 2.2 MB
  • After minification 2.1 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. Music Colorado images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 153.5 kB

  • Original 225.9 kB
  • After minification 192.4 kB
  • After compression 72.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 153.5 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 131.6 kB

  • Original 158.2 kB
  • After minification 154.9 kB
  • After compression 26.5 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. Music.colorado.edu needs all CSS files to be minified and compressed as it can save up to 131.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (37%)

Requests Now

43

After Optimization

27

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Music Colorado. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

music.colorado.edu accessibility score

96

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-hidden="true"] elements contain focusable descendents

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

music.colorado.edu best practices score

83

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

music.colorado.edu SEO score

90

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Music.colorado.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 Music.colorado.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 Music Colorado. 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: