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idot.illinois.gov screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

idot.illinois.gov

IDOT Home

Page Load Speed

1.2 sec in total

First Response

38 ms

Resources Loaded

711 ms

Page Rendered

403 ms

idot.illinois.gov screenshot

About Website

Click here to check amazing IDOT Illinois content for United States. Otherwise, check out these important facts you probably never knew about idot.illinois.gov

IDOT homepage

Visit idot.illinois.gov

Key Findings

We analyzed Idot.illinois.gov page load time and found that the first response time was 38 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

idot.illinois.gov performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

idot.illinois.gov

38 ms

launch-eae2ed0f1b30.min.js

128 ms

clientlibs.min.2ab879f828ba72e740aa98f5e369863a.css

39 ms

clientlib-base.min.2135ea2bb62222ee0e2818eb203da67c.css

25 ms

clientlib-site.min.b8dd489e241d75d898606be1c598b14a.css

38 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 54% of them (22 requests) were addressed to the original Idot.illinois.gov, 27% (11 requests) were made to S7d1.scene7.com and 7% (3 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (253 ms) belongs to the original domain Idot.illinois.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.9 kB (25%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idot.illinois.gov 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. 65% of websites need less resources to load. Images take 982.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 87.1 kB

  • Original 99.7 kB
  • After minification 76.9 kB
  • After compression 12.6 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 22.8 kB, which is 23% 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 87.1 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 25.8 kB

  • Original 982.5 kB
  • After minification 956.6 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. IDOT Illinois images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 252.0 kB

  • Original 366.4 kB
  • After minification 366.1 kB
  • After compression 114.4 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 252.0 kB or 69% of the original size.

CSS Optimization

-20%

Potential reduce by 918 B

  • Original 4.6 kB
  • After minification 4.6 kB
  • After compression 3.7 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. Idot.illinois.gov needs all CSS files to be minified and compressed as it can save up to 918 B or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDOT Illinois. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

idot.illinois.gov

idot.illinois.gov

38 ms

launch-eae2ed0f1b30.min.js

launch-eae2ed0f1b30.min.js

128 ms

clientlibs.min.2ab879f828ba72e740aa98f5e369863a.css

clientlibs.min.2ab879f828ba72e740aa98f5e369863a.css

39 ms

clientlib-base.min.2135ea2bb62222ee0e2818eb203da67c.css

clientlib-base.min.2135ea2bb62222ee0e2818eb203da67c.css

25 ms

clientlib-site.min.b8dd489e241d75d898606be1c598b14a.css

clientlib-site.min.b8dd489e241d75d898606be1c598b14a.css

38 ms

clientlib-theme-1.min.bf0288ac121f75dcdab0b4b7f921f207.css

clientlib-theme-1.min.bf0288ac121f75dcdab0b4b7f921f207.css

57 ms

custom.css

custom.css

36 ms

weglot.min.js

weglot.min.js

126 ms

fatalities-count.js

fatalities-count.js

54 ms

clientlib-base.min.520c828a040967e65eccb80fc5bdc3c4.js

clientlib-base.min.520c828a040967e65eccb80fc5bdc3c4.js

54 ms

clientlib-site.min.b8b427894e7a4a961d5b5e7b0c8cdca4.js

clientlib-site.min.b8b427894e7a4a961d5b5e7b0c8cdca4.js

104 ms

interchange

interchange

111 ms

hiring_topicCard

hiring_topicCard

99 ms

myp_topiccard_25-30

myp_topiccard_25-30

95 ms

SRTS_TopicCard_Final_053024

SRTS_TopicCard_Final_053024

96 ms

diversity-pillars

diversity-pillars

95 ms

VRU_TopicCard_870x317_Final_1123

VRU_TopicCard_870x317_Final_1123

97 ms

website-redesign

website-redesign

101 ms

equity-slider

equity-slider

100 ms

its-not-a-game

its-not-a-game

111 ms

TravelerOpinionSurvey_TopicCard

TravelerOpinionSurvey_TopicCard

108 ms

fatalities

fatalities

109 ms

header-logo.svg

header-logo.svg

79 ms

agency-icon.svg

agency-icon.svg

81 ms

service-icon.svg

service-icon.svg

82 ms

idotlogo.png

idotlogo.png

82 ms

facebook-white-icon.svg

facebook-white-icon.svg

79 ms

x-white-icon.svg

x-white-icon.svg

82 ms

instagram-white-icon.svg

instagram-white-icon.svg

108 ms

linkedin-white-icon.svg

linkedin-white-icon.svg

88 ms

youtube-white-icon.svg

youtube-white-icon.svg

98 ms

threads-white-icon.svg

threads-white-icon.svg

96 ms

AppMeasurement.min.js

AppMeasurement.min.js

27 ms

AppMeasurement_Module_ActivityMap.min.js

AppMeasurement_Module_ActivityMap.min.js

29 ms

rd

rd

8 ms

dest5.html

dest5.html

29 ms

id

id

153 ms

ibs:dpid=411&dpuuid=ZqiFgwAAADkhkgN_

ibs:dpid=411&dpuuid=ZqiFgwAAADkhkgN_

6 ms

fa-solid-900.woff

fa-solid-900.woff

34 ms

fa-regular-400.woff

fa-regular-400.woff

142 ms

fa-light-300.woff

fa-light-300.woff

253 ms

Accessibility Review

idot.illinois.gov accessibility score

90

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

idot.illinois.gov best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

idot.illinois.gov SEO score

92

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

Image elements do not have [alt] attributes

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

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 Idot.illinois.gov 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 Idot.illinois.gov 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

idot.illinois.gov

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