Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

registrar.colorado.edu

Office of the Registrar | University of Colorado Boulder

Page Load Speed

2.5 sec in total

First Response

217 ms

Resources Loaded

2.1 sec

Page Rendered

222 ms

registrar.colorado.edu screenshot

About Website

Welcome to registrar.colorado.edu homepage info - get ready to check Registrar Colorado best content for United States right away, or after learning these important things about registrar.colorado.edu

The Office of the Registrar is proud to serve the students, faculty, staff and alumni of the University of Colorado Boulder through registration, record keeping, course and classroom management, and a...

Visit registrar.colorado.edu

Key Findings

We analyzed Registrar.colorado.edu page load time and found that the first response time was 217 ms and then it took 2.3 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

registrar.colorado.edu performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

registrar.colorado.edu

217 ms

registrar.colorado.edu

195 ms

534 ms

css2

62 ms

system.base.css

22 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Registrar.colorado.edu, 91% (129 requests) were made to Colorado.edu and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Calendar.colorado.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.7 kB (20%)

Content Size

625.3 kB

After Optimization

502.6 kB

In fact, the total size of Registrar.colorado.edu main page is 625.3 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. 70% of websites need less resources to load. Images take 301.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 53.3 kB

  • Original 64.6 kB
  • After minification 60.8 kB
  • After compression 11.3 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 53.3 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

  • Original 301.2 kB
  • After minification 298.3 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. Registrar Colorado images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 35.5 kB

  • Original 146.0 kB
  • After minification 139.0 kB
  • After compression 110.5 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 35.5 kB or 24% of the original size.

CSS Optimization

-27%

Potential reduce by 31.0 kB

  • Original 113.5 kB
  • After minification 113.3 kB
  • After compression 82.5 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. Registrar.colorado.edu needs all CSS files to be minified and compressed as it can save up to 31.0 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 126 (93%)

Requests Now

135

After Optimization

9

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Registrar 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 49 to 1 for JavaScripts and from 79 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

registrar.colorado.edu accessibility score

100

Accessibility Issues

Best Practices

registrar.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

registrar.colorado.edu SEO score

92

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 Registrar.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 Registrar.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 data is detected on the main page of Registrar Colorado. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: