Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

duurzaamondernemen.nl

Climate Change en Sustainability Services | EY - Nederland

Page Load Speed

2.2 sec in total

First Response

366 ms

Resources Loaded

1.3 sec

Page Rendered

564 ms

About Website

Welcome to duurzaamondernemen.nl homepage info - get ready to check Duurzaamondernem En best content right away, or after learning these important things about duurzaamondernemen.nl

Ontdek EY's inzichten in klimaatverandering & duurzaamheid, onze teams & diensten en hoe deze uw bedrijf kunnen helpen de risico's en kansen te begrijpen.

Visit duurzaamondernemen.nl

Key Findings

We analyzed Duurzaamondernemen.nl page load time and found that the first response time was 366 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

duurzaamondernemen.nl performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

duurzaamondernemen.nl

366 ms

climate-change-and-sustainability-services

85 ms

climate-change-sustainability-services

235 ms

launch-EN7b2377b853464a1ea1e51ee3defd088a.min.js

73 ms

design.default.bootstrap.v.css

29 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Duurzaamondernemen.nl, 79% (31 requests) were made to Assets.ey.com and 10% (4 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (384 ms) relates to the external source Static.ads-twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (29%)

Content Size

9.9 MB

After Optimization

7.1 MB

In fact, the total size of Duurzaamondernemen.nl main page is 9.9 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. Only a small number of websites need less resources to load. Images take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 87.7 kB

  • Original 106.0 kB
  • After minification 97.7 kB
  • After compression 18.4 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 87.7 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 137.3 kB

  • Original 6.6 MB
  • After minification 6.5 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. Duurzaamondernem En images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 1.4 MB

  • Original 1.9 MB
  • After minification 1.9 MB
  • After compression 438.3 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 1.4 MB or 77% of the original size.

CSS Optimization

-90%

Potential reduce by 1.2 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 138.7 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. Duurzaamondernemen.nl needs all CSS files to be minified and compressed as it can save up to 1.2 MB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (39%)

Requests Now

33

After Optimization

20

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duurzaamondernem En. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

duurzaamondernemen.nl accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

duurzaamondernemen.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

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

duurzaamondernemen.nl SEO score

100

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duurzaamondernemen.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Duurzaamondernemen.nl 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 Duurzaamondernem En. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: