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cselabs.umn.edu screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cselabs.umn.edu

Information Technology | College of Science and Engineering

Page Load Speed

1.9 sec in total

First Response

90 ms

Resources Loaded

811 ms

Page Rendered

1 sec

cselabs.umn.edu screenshot

About Website

Click here to check amazing Cselabs Umn content for United States. Otherwise, check out these important facts you probably never knew about cselabs.umn.edu

Supporting current and future scientists and engineers and facilitating effective teaching and learning, research, and outreach.

Visit cselabs.umn.edu

Key Findings

We analyzed Cselabs.umn.edu page load time and found that the first response time was 90 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

cselabs.umn.edu performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

cselabs.umn.edu

90 ms

www.cselabs.umn.edu

185 ms

cseit.umn.edu

40 ms

cseit

32 ms

css_WFK5bHfk_sRBTxZ-eOdQiA1gikAqriJPKVoSBIrNP-U.css

17 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cselabs.umn.edu, 77% (53 requests) were made to Cse.umn.edu and 7% (5 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (251 ms) relates to the external source Static.addtoany.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.1 kB (8%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cselabs.umn.edu main page is 1.6 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 55.5 kB

  • Original 71.4 kB
  • After minification 59.7 kB
  • After compression 15.9 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 11.7 kB, which is 16% 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 55.5 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 64.2 kB

  • Original 1.3 MB
  • After minification 1.3 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. Cselabs Umn images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 8.2 kB

  • Original 138.4 kB
  • After minification 138.0 kB
  • After compression 130.2 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

-0%

Potential reduce by 208 B

  • Original 66.3 kB
  • After minification 66.3 kB
  • After compression 66.1 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. Cselabs.umn.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (79%)

Requests Now

58

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cselabs Umn. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cselabs.umn.edu

cselabs.umn.edu

90 ms

www.cselabs.umn.edu

www.cselabs.umn.edu

185 ms

cseit.umn.edu

cseit.umn.edu

40 ms

cseit

cseit

32 ms

css_WFK5bHfk_sRBTxZ-eOdQiA1gikAqriJPKVoSBIrNP-U.css

css_WFK5bHfk_sRBTxZ-eOdQiA1gikAqriJPKVoSBIrNP-U.css

17 ms

v4-shims.css

v4-shims.css

131 ms

css_aEsRBWkRhOFssBQjS3qJuX5Psn5ORYQcltXfQC8CKSQ.css

css_aEsRBWkRhOFssBQjS3qJuX5Psn5ORYQcltXfQC8CKSQ.css

22 ms

css_7HS7xtm7irkMWufP3VBz2Dn83swmYSBhcHCe8qQMdts.css

css_7HS7xtm7irkMWufP3VBz2Dn83swmYSBhcHCe8qQMdts.css

39 ms

css

css

134 ms

all.css

all.css

167 ms

css_B1uKrU9il8_fDeHxxK9MRXE1sfq1G4o__Ixa-w3obH4.css

css_B1uKrU9il8_fDeHxxK9MRXE1sfq1G4o__Ixa-w3obH4.css

54 ms

jquery.min.js

jquery.min.js

44 ms

once.min.js

once.min.js

46 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

46 ms

drupal.js

drupal.js

46 ms

drupal.init.js

drupal.init.js

123 ms

debounce.js

debounce.js

125 ms

index.umd.min.js

index.umd.min.js

127 ms

mmenu.js

mmenu.js

130 ms

responsive_menu.config.js

responsive_menu.config.js

127 ms

responsive_menu.bootstrap.js

responsive_menu.bootstrap.js

125 ms

page.js

page.js

251 ms

addtoany.js

addtoany.js

128 ms

back_to_top.js

back_to_top.js

127 ms

progress.js

progress.js

130 ms

loadjs.min.js

loadjs.min.js

130 ms

announce.js

announce.js

131 ms

message.js

message.js

132 ms

ajax.js

ajax.js

132 ms

ajax.js

ajax.js

132 ms

custom-global.js

custom-global.js

134 ms

breakpoint.js

breakpoint.js

134 ms

responsive-menu-tweak.js

responsive-menu-tweak.js

134 ms

jquery.responsive-tables.js

jquery.responsive-tables.js

136 ms

modal-fix.js

modal-fix.js

135 ms

cse_custom.js

cse_custom.js

136 ms

umnhf.min.js

umnhf.min.js

137 ms

gtm.js

gtm.js

137 ms

gtag.js

gtag.js

138 ms

gtag.ajax.js

gtag.ajax.js

139 ms

superfish.js

superfish.js

140 ms

superfish.js

superfish.js

141 ms

sftouchscreen.js

sftouchscreen.js

141 ms

supposition.js

supposition.js

134 ms

supersubs.js

supersubs.js

136 ms

superfish-tweak.js

superfish-tweak.js

134 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

108 ms

sfsmallscreen.js

sfsmallscreen.js

108 ms

cse_script.js

cse_script.js

107 ms

umn_mobile_search.js

umn_mobile_search.js

105 ms

cse_adjustments.js

cse_adjustments.js

33 ms

service-desk-for-homepage.png.webp

service-desk-for-homepage.png.webp

189 ms

141002_5057.jpg.webp

141002_5057.jpg.webp

34 ms

graphicstock-picture-of-handsome-bearded-web-designer-dressed-in-shirt-working-late-at-night-and-looking-at-computer_B8Clt7_3g.jpg.webp

graphicstock-picture-of-handsome-bearded-web-designer-dressed-in-shirt-working-late-at-night-and-looking-at-computer_B8Clt7_3g.jpg.webp

28 ms

graphicstock-view-from-above-of-business-objects-on-desk-with-nobody-near-by_ScSpHCTPN-SBI-306976401.jpg.webp

graphicstock-view-from-above-of-business-objects-on-desk-with-nobody-near-by_ScSpHCTPN-SBI-306976401.jpg.webp

125 ms

storyblocks-multiethnic-business-team-using-virtual-reality-headset-in-night-office-meeting-developers-meeting-with-virtual-reality-simulator-around-table-in-creative-office_HubdwEzknW.jpg.webp

storyblocks-multiethnic-business-team-using-virtual-reality-headset-in-night-office-meeting-developers-meeting-with-virtual-reality-simulator-around-table-in-creative-office_HubdwEzknW.jpg.webp

28 ms

Service%20Outage.png.webp

Service%20Outage.png.webp

23 ms

040419_8208_v2cropped.jpg.webp

040419_8208_v2cropped.jpg.webp

123 ms

umnhf-campus-tc-dtd-maroon.svg

umnhf-campus-tc-dtd-maroon.svg

60 ms

lock-search-maroon.png

lock-search-maroon.png

59 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

19 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVcUwaEQXjM.ttf

55 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVcUwaEQXjM.ttf

106 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

106 ms

fa-solid-900.ttf

fa-solid-900.ttf

104 ms

fa-regular-400.ttf

fa-regular-400.ttf

53 ms

fa-brands-400.ttf

fa-brands-400.ttf

105 ms

sm.25.html

sm.25.html

101 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

102 ms

Accessibility Review

cselabs.umn.edu accessibility score

93

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cselabs.umn.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

cselabs.umn.edu SEO score

91

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 Cselabs.umn.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 Cselabs.umn.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

cselabs.umn.edu

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