Tools & Wizards About Us
registrar.colorado.edu screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

registrar.colorado.edu

Office of the Registrar | University of Colorado Boulder

Page Load Speed

1.9 sec in total

First Response

132 ms

Resources Loaded

1.4 sec

Page Rendered

275 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 132 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

registrar.colorado.edu performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value3,990 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value27.5 s

0/100

10%

Network Requests Diagram

registrar.colorado.edu

132 ms

126 ms

86696b99-fb1a-4964-9676-9233fb4fca8f.css

57 ms

css_UqQJWfhG94WW8MiXGFpR2pilPHUxIt7M2Spq8Pzx63M.css

77 ms

css_V2MQndPAh5EIps4JWnSOwP5MCOEQeRHtWwehfFy1fmI.css

85 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Registrar.colorado.edu, 48% (23 requests) were made to Colorado.edu and 15% (7 requests) were made to Fast.fonts.net. The less responsive or slowest element that took the longest time to load (901 ms) relates to the external source Events.colorado.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 997.0 kB (66%)

Content Size

1.5 MB

After Optimization

507.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Registrar.colorado.edu main page is 1.5 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. 50% of websites need less resources to load. Javascripts take 925.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 36.1 kB

  • Original 46.2 kB
  • After minification 44.2 kB
  • After compression 10.1 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 36.1 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 5.2 kB

  • Original 199.4 kB
  • After minification 194.2 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

-72%

Potential reduce by 670.1 kB

  • Original 925.8 kB
  • After minification 869.3 kB
  • After compression 255.7 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 670.1 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 285.6 kB

  • Original 332.6 kB
  • After minification 329.3 kB
  • After compression 47.0 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 285.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (60%)

Requests Now

35

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 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 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

registrar.colorado.edu

registrar.colorado.edu

132 ms

126 ms

86696b99-fb1a-4964-9676-9233fb4fca8f.css

86696b99-fb1a-4964-9676-9233fb4fca8f.css

57 ms

css_UqQJWfhG94WW8MiXGFpR2pilPHUxIt7M2Spq8Pzx63M.css

css_UqQJWfhG94WW8MiXGFpR2pilPHUxIt7M2Spq8Pzx63M.css

77 ms

css_V2MQndPAh5EIps4JWnSOwP5MCOEQeRHtWwehfFy1fmI.css

css_V2MQndPAh5EIps4JWnSOwP5MCOEQeRHtWwehfFy1fmI.css

85 ms

css_Ma68-60RpJIMv9K8Cs66bc5KWbIBnGcM5Kp0BJ8SMJU.css

css_Ma68-60RpJIMv9K8Cs66bc5KWbIBnGcM5Kp0BJ8SMJU.css

90 ms

css_-MmXmQt-AK1BbhalokAfIxq4cwPHM6H1Wd7Duqnb3hY.css

css_-MmXmQt-AK1BbhalokAfIxq4cwPHM6H1Wd7Duqnb3hY.css

164 ms

css_cRevu9ZhUaLpOea54Ua2P-uAsKGvVCuJCUoMxo4ABBI.css

css_cRevu9ZhUaLpOea54Ua2P-uAsKGvVCuJCUoMxo4ABBI.css

171 ms

modernizr.min.js

modernizr.min.js

124 ms

js_ZDOaep6HA5A0eriyiN-YaNv7MHsjd-FIuFyilZ2o5cw.js

js_ZDOaep6HA5A0eriyiN-YaNv7MHsjd-FIuFyilZ2o5cw.js

154 ms

js_WGIhld0-3UYAktGmyfhTu5plpcW9JWEn4ql5U75q13s.js

js_WGIhld0-3UYAktGmyfhTu5plpcW9JWEn4ql5U75q13s.js

207 ms

js_DzD04PZATtGOFjfR8HJgfcaO3-pPZpWFXEvuMvQz2gA.js

js_DzD04PZATtGOFjfR8HJgfcaO3-pPZpWFXEvuMvQz2gA.js

125 ms

js_hEWykMN7x4HZxN_oAwjT0VsrCZSJLaqZLFW4Bxc9POg.js

js_hEWykMN7x4HZxN_oAwjT0VsrCZSJLaqZLFW4Bxc9POg.js

213 ms

js_HAD5sQmC1vIkze6kOKBytCBzE9JOIoDBEKRmmHXzOMk.js

js_HAD5sQmC1vIkze6kOKBytCBzE9JOIoDBEKRmmHXzOMk.js

213 ms

js_jLLw1gaLLKZjsVItbtqEtYGva8ohh1P2FOjkNMqJAnw.js

js_jLLw1gaLLKZjsVItbtqEtYGva8ohh1P2FOjkNMqJAnw.js

215 ms

js_I_MJ-VrZNaz2Wqj841OvbqqPsIPf7XcQtHiKPR07_IE.js

js_I_MJ-VrZNaz2Wqj841OvbqqPsIPf7XcQtHiKPR07_IE.js

222 ms

js_SjMiOA8CLptDWZ4hWPQ0yjJYpcYdg51PnUuvIrSqhZg.js

js_SjMiOA8CLptDWZ4hWPQ0yjJYpcYdg51PnUuvIrSqhZg.js

216 ms

analytics.js

analytics.js

99 ms

tracking.js

tracking.js

96 ms

logo.png

logo.png

72 ms

print-logo.png

print-logo.png

71 ms

search-icon.png

search-icon.png

72 ms

campus.jpeg

campus.jpeg

301 ms

be-boulder-white.png

be-boulder-white.png

114 ms

bcf54343-d033-41ee-bbd7-2b77df3fe7ba.woff

bcf54343-d033-41ee-bbd7-2b77df3fe7ba.woff

68 ms

60be5c39-863e-40cb-9434-6ebafb62ab2b.woff

60be5c39-863e-40cb-9434-6ebafb62ab2b.woff

110 ms

530dee22-e3c1-4e9f-bf62-c31d510d9656.woff

530dee22-e3c1-4e9f-bf62-c31d510d9656.woff

110 ms

14ff6081-326d-4dae-b778-d7afa66166fc.woff

14ff6081-326d-4dae-b778-d7afa66166fc.woff

111 ms

74649485-cd74-443e-9d54-331ccd448900.woff

74649485-cd74-443e-9d54-331ccd448900.woff

110 ms

58310d61-40ac-4464-b817-30d9e9deb3bb.woff

58310d61-40ac-4464-b817-30d9e9deb3bb.woff

110 ms

EventListSyndicator.aspx

EventListSyndicator.aspx

901 ms

bg_tab.png

bg_tab.png

74 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

146 ms

collect

collect

41 ms

script_data.js

script_data.js

163 ms

collect

collect

34 ms

collect

collect

71 ms

localization.en.0.3632191afe35222a6b78c04d457adc0d_7cfb5ad12d05a18c86f5a3d872e2dc4a.js

localization.en.0.3632191afe35222a6b78c04d457adc0d_7cfb5ad12d05a18c86f5a3d872e2dc4a.js

74 ms

ping

ping

104 ms

open_chat.cgi

open_chat.cgi

86 ms

9k-RPmcnxYEPm8CNFsH2gg.woff

9k-RPmcnxYEPm8CNFsH2gg.woff

79 ms

livechat-modern_7cf45543dc.ttf

livechat-modern_7cf45543dc.ttf

30 ms

css_KXd6gwdMOnwVBL4uSyBzOaSo39ALI-dbICyh6nDqqtc.css

css_KXd6gwdMOnwVBL4uSyBzOaSo39ALI-dbICyh6nDqqtc.css

49 ms

embedded.20160229163048.js

embedded.20160229163048.js

103 ms

_Incapsula_Resource

_Incapsula_Resource

28 ms

_Incapsula_Resource

_Incapsula_Resource

28 ms

wkfQbvfT_02e2IWO3yYueQ.woff

wkfQbvfT_02e2IWO3yYueQ.woff

63 ms

KT3KS9Aol4WfR6Vas8kNcg.woff

KT3KS9Aol4WfR6Vas8kNcg.woff

62 ms

Accessibility Review

registrar.colorado.edu accessibility score

98

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

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

High

Missing source maps for large first-party JavaScript

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

registrar.colorado.edu

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