Tools & Wizards About Us

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cbi.umn.edu

CHARLES BABBAGE INSTITUTE | College of Science and Engineering

Page Load Speed

4.3 sec in total

First Response

83 ms

Resources Loaded

3.8 sec

Page Rendered

466 ms

About Website

Welcome to cbi.umn.edu homepage info - get ready to check Cbi Umn best content for United States right away, or after learning these important things about cbi.umn.edu

Our mission is to facilitate, foster, and conduct research to advance understanding of computing, information, and culture.

Visit cbi.umn.edu

Key Findings

We analyzed Cbi.umn.edu page load time and found that the first response time was 83 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cbi.umn.edu performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

cbi

83 ms

google_tag.script.js

179 ms

css_w2-4IYRFwWnJX-dfxPJwWnp9G-sY_FQreRmnzEOlnLY.css

250 ms

css_BTX5_Nmn907tpFNGrfyoiG73u6hAY-H9USYCZc0vjt8.css

253 ms

css

536 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cbi.umn.edu, 12% (6 requests) were made to Use.fontawesome.com and 8% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Use.fontawesome.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.4 kB (7%)

Content Size

684.7 kB

After Optimization

638.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cbi.umn.edu main page is 684.7 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. 70% of websites need less resources to load. Images take 308.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 35.3 kB

  • Original 50.6 kB
  • After minification 47.6 kB
  • After compression 15.3 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 35.3 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 106 B

  • Original 308.2 kB
  • After minification 308.1 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. Cbi Umn images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 7.5 kB

  • Original 251.4 kB
  • After minification 251.3 kB
  • After compression 243.8 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

-5%

Potential reduce by 3.4 kB

  • Original 74.5 kB
  • After minification 74.5 kB
  • After compression 71.1 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. Cbi.umn.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (71%)

Requests Now

41

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cbi 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 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cbi.umn.edu accessibility score

94

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

cbi.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

cbi.umn.edu SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 Cbi.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 Cbi.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

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