Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

poweryouri.nl

Energieleverancier Vattenfall – energie voor 2 miljoen klanten | Vattenfall

Page Load Speed

5.8 sec in total

First Response

333 ms

Resources Loaded

3 sec

Page Rendered

2.5 sec

poweryouri.nl screenshot

About Website

Click here to check amazing Poweryouri content. Otherwise, check out these important facts you probably never knew about poweryouri.nl

Energieleverancier Vattenfall levert energie aan 2 miljoen klanten in Nederland. Ons doel: fossielvrij leven binnen één generatie.

Visit poweryouri.nl

Key Findings

We analyzed Poweryouri.nl page load time and found that the first response time was 333 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

poweryouri.nl performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value29.9 s

0/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value22,900 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.611

10/100

15%

TTI (Time to Interactive)

Value41.2 s

0/100

10%

Network Requests Diagram

poweryouri.nl

333 ms

www.vattenfall.nl

649 ms

ruxitagentjs_ICA27Vdfgjqrux_10207210127152629.js

198 ms

vattenfall.min.css

186 ms

iframe_api

191 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Poweryouri.nl, 50% (16 requests) were made to Cdn.vattenfall.nl and 34% (11 requests) were made to Vattenfall.nl. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Vattenfall.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.8 kB (3%)

Content Size

2.2 MB

After Optimization

2.2 MB

In fact, the total size of Poweryouri.nl main page is 2.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 50.8 kB

  • Original 62.9 kB
  • After minification 56.7 kB
  • After compression 12.1 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 50.8 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 12.6 kB

  • Original 2.1 MB
  • After minification 2.0 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. Poweryouri images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.6 kB

  • Original 34.0 kB
  • After minification 34.0 kB
  • After compression 32.4 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

-1%

Potential reduce by 831 B

  • Original 83.9 kB
  • After minification 83.9 kB
  • After compression 83.1 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. Poweryouri.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (54%)

Requests Now

28

After Optimization

13

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Poweryouri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

poweryouri.nl accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Best Practices

poweryouri.nl 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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

poweryouri.nl SEO score

92

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Poweryouri.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 Poweryouri.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 Poweryouri. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: