Tools & Wizards About Us
aon.io screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

aon.io

Better Decisions | Aon

Page Load Speed

2.1 sec in total

First Response

27 ms

Resources Loaded

992 ms

Page Rendered

1.1 sec

aon.io screenshot

About Website

Welcome to aon.io homepage info - get ready to check Aon best content right away, or after learning these important things about aon.io

Aon is in the business of better decisions.

Visit aon.io

Key Findings

We analyzed Aon.io page load time and found that the first response time was 27 ms and then it took 2 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

aon.io performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value3,280 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

aon.io

27 ms

www.aon.com

114 ms

784 ms

OtAutoBlock.js

43 ms

otSDKStub.js

56 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Aon.io, 93% (143 requests) were made to Res.aon.com and 3% (5 requests) were made to Aon.com. The less responsive or slowest element that took the longest time to load (784 ms) relates to the external source Aon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 836.2 kB (30%)

Content Size

2.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aon.io main page is 2.8 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 835.5 kB

  • Original 914.5 kB
  • After minification 635.3 kB
  • After compression 79.0 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 279.2 kB, which is 31% 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 835.5 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 676 B

  • Original 1.8 MB
  • After minification 1.8 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. Aon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 75 B

  • Original 18.5 kB
  • After minification 18.5 kB
  • After compression 18.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 72.0 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.

Requests Breakdown

Number of requests can be reduced by 3 (2%)

Requests Now

150

After Optimization

147

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aon.io

aon.io

27 ms

www.aon.com

www.aon.com

114 ms

784 ms

OtAutoBlock.js

OtAutoBlock.js

43 ms

otSDKStub.js

otSDKStub.js

56 ms

aon-lib.main.css

aon-lib.main.css

111 ms

00db5e7f-3e2d-4e3a-9090-c226ff90e4d1.json

00db5e7f-3e2d-4e3a-9090-c226ff90e4d1.json

22 ms

location

location

66 ms

22661-tech-16x9.jpg

22661-tech-16x9.jpg

24 ms

symbol-defs.svg

symbol-defs.svg

49 ms

22661-trade-16x9.jpg

22661-trade-16x9.jpg

20 ms

22661-weather-16x9.jpg

22661-weather-16x9.jpg

22 ms

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22661-workforce-16x9.jpg

129 ms

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risk-capital-hero-banner.png

21 ms

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23 ms

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insurance-1394456695_rt.jpg

21 ms

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23 ms

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24 ms

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23 ms

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24 ms

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25 ms

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26 ms

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25 ms

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28 ms

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29 ms

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28 ms

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30 ms

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29 ms

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27 ms

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27 ms

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26 ms

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26 ms

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27 ms

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29 ms

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29 ms

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33 ms

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31 ms

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32 ms

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27 ms

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28 ms

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28 ms

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24 ms

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22 ms

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21 ms

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21 ms

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22 ms

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29 ms

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17 ms

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19 ms

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16 ms

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17 ms

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14 ms

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15 ms

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9 ms

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10 ms

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11 ms

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insurance-1394456695_rt.jpg

9 ms

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10 ms

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3 ms

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3 ms

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4 ms

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5 ms

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4 ms

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3 ms

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3 ms

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117 ms

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76 ms

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7 ms

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58 ms

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4 ms

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4 ms

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40 ms

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top-risks-facing-organizations-in-middle-east-africa-banner.jpg

38 ms

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top-risks-facing-organizations-in-uk-banner.jpg

4 ms

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4 ms

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4 ms

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6 ms

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business-team-diversity-1129489636_e.jpg

7 ms

healthcare-530021923_rt.png

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9 ms

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8 ms

people-wheelchair-diversity-1283838852.jpg

people-wheelchair-diversity-1283838852.jpg

9 ms

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outdoor-aerial-view-of-a-golf-course.jpg

13 ms

business-women-diverse-1165511122.jpg

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11 ms

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10 ms

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7 ms

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8 ms

business_team_diverse_1329013291_rt.jpg

business_team_diverse_1329013291_rt.jpg

7 ms

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4 ms

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3 ms

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3 ms

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3 ms

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4 ms

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4 ms

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4 ms

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3 ms

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3 ms

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3 ms

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3 ms

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4 ms

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4 ms

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4 ms

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3 ms

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3 ms

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4 ms

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6 ms

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4 ms

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6 ms

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4 ms

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aon-lib.main.js

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60 ms

Accessibility Review

aon.io accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

aon.io best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

aon.io SEO score

85

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

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 Aon.io 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 Aon.io 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

aon.io

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