Tools & Wizards About Us
topslab.wisc.edu screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

topslab.wisc.edu

Traffic Operations and Safety Laboratory – UW–Madison

Page Load Speed

3.4 sec in total

First Response

108 ms

Resources Loaded

2.2 sec

Page Rendered

1.1 sec

topslab.wisc.edu screenshot

About Website

Click here to check amazing Topslab Wisc content for United States. Otherwise, check out these important facts you probably never knew about topslab.wisc.edu

// TOPS is a unique organization developed with a mission to, “improve traffic operations and safety in Wisconsin and across the Midwest through a diverse balance of service partnerships, research and...

Visit topslab.wisc.edu

Key Findings

We analyzed Topslab.wisc.edu page load time and found that the first response time was 108 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

topslab.wisc.edu performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

topslab.wisc.edu

108 ms

topslab.wisc.edu

99 ms

gtm.js

253 ms

fonts.css

65 ms

main.min.css

83 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 45% of them (17 requests) were addressed to the original Topslab.wisc.edu, 16% (6 requests) were made to Youtube.com and 8% (3 requests) were made to . The less responsive or slowest element that took the longest time to load (666 ms) relates to the external source Jnn-pa.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 411.9 kB (39%)

Content Size

1.0 MB

After Optimization

636.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Topslab.wisc.edu main page is 1.0 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. CSS take 512.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 51.3 kB

  • Original 68.6 kB
  • After minification 65.3 kB
  • After compression 17.2 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 51.3 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 23.7 kB

  • Original 343.5 kB
  • After minification 319.8 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. Topslab Wisc images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 24.9 kB

  • Original 123.1 kB
  • After minification 123.1 kB
  • After compression 98.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 24.9 kB or 20% of the original size.

CSS Optimization

-61%

Potential reduce by 312.0 kB

  • Original 512.9 kB
  • After minification 512.7 kB
  • After compression 200.9 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. Topslab.wisc.edu needs all CSS files to be minified and compressed as it can save up to 312.0 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (42%)

Requests Now

31

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topslab Wisc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

topslab.wisc.edu

topslab.wisc.edu

108 ms

topslab.wisc.edu

topslab.wisc.edu

99 ms

gtm.js

gtm.js

253 ms

fonts.css

fonts.css

65 ms

main.min.css

main.min.css

83 ms

jquery.min.js

jquery.min.js

117 ms

main.min.js

main.min.js

63 ms

jquery-migrate.min.js

jquery-migrate.min.js

64 ms

uwcookieconsent.min.js

uwcookieconsent.min.js

58 ms

slick.min.js

slick.min.js

235 ms

dlAa0gA-XMo

dlAa0gA-XMo

214 ms

dust-overlay3.png

dust-overlay3.png

107 ms

IMG_7884-scaled-e1645651759364-600x400.jpg

IMG_7884-scaled-e1645651759364-600x400.jpg

109 ms

Brine-Sprayer-e1643812996300-600x400.jpg

Brine-Sprayer-e1643812996300-600x400.jpg

109 ms

winter_crash-600x400.jpg

winter_crash-600x400.jpg

106 ms

driving_simulator-600x400.jpg

driving_simulator-600x400.jpg

106 ms

server_racks-e1544554886407-600x400.jpg

server_racks-e1544554886407-600x400.jpg

103 ms

final_color_big_transparent90x90_sharpened.png

final_color_big_transparent90x90_sharpened.png

108 ms

IMG_3317-scaled-e1645656519997-768x447.jpg

IMG_3317-scaled-e1645656519997-768x447.jpg

109 ms

KOBQj

KOBQj

30 ms

KOBQj

KOBQj

29 ms

KOBQj

KOBQj

29 ms

analytics.js

analytics.js

114 ms

js

js

37 ms

www-player.css

www-player.css

103 ms

www-embed-player.js

www-embed-player.js

134 ms

base.js

base.js

196 ms

fetch-polyfill.js

fetch-polyfill.js

22 ms

collect

collect

340 ms

ad_status.js

ad_status.js

265 ms

collect

collect

352 ms

qs_eGd-h9f3_frMeplByuCjrJjGTr5iyl3j-JE2Mo0s.js

qs_eGd-h9f3_frMeplByuCjrJjGTr5iyl3j-JE2Mo0s.js

137 ms

embed.js

embed.js

28 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

236 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

238 ms

Create

Create

666 ms

id

id

17 ms

ajax-loader.gif

ajax-loader.gif

290 ms

Accessibility Review

topslab.wisc.edu accessibility score

100

Accessibility Issues

Best Practices

topslab.wisc.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

topslab.wisc.edu SEO score

90

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

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 Topslab.wisc.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 Topslab.wisc.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

topslab.wisc.edu

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