Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

zonnepanelen-info.nl

Zonnepanelen 2024 : info, 8 valkuilen + prijzen

Page Load Speed

4.3 sec in total

First Response

267 ms

Resources Loaded

3.1 sec

Page Rendered

979 ms

zonnepanelen-info.nl screenshot

About Website

Click here to check amazing Zonnepanelen Info content for Netherlands. Otherwise, check out these important facts you probably never knew about zonnepanelen-info.nl

Zijn zonnepanelen wel écht zo rendabel en duurzaam als beweerd wordt? Kom alles te weten over zonnepanelen, over de prijzen in 2024 en meer.

Visit zonnepanelen-info.nl

Key Findings

We analyzed Zonnepanelen-info.nl page load time and found that the first response time was 267 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zonnepanelen-info.nl performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

zonnepanelen-info.nl

267 ms

www.zonnepanelen-info.nl

436 ms

css

56 ms

front.css

82 ms

css

74 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 50% of them (27 requests) were addressed to the original Zonnepanelen-info.nl, 13% (7 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Zonnepanelen-info.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 748.0 kB (60%)

Content Size

1.2 MB

After Optimization

494.3 kB

In fact, the total size of Zonnepanelen-info.nl main page is 1.2 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. 45% of websites need less resources to load. CSS take 502.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 40.2 kB

  • Original 53.4 kB
  • After minification 52.1 kB
  • After compression 13.2 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 40.2 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 12.3 kB

  • Original 231.7 kB
  • After minification 219.4 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. Zonnepanelen Info images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 288.3 kB

  • Original 454.5 kB
  • After minification 449.0 kB
  • After compression 166.2 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 288.3 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 407.2 kB

  • Original 502.6 kB
  • After minification 479.8 kB
  • After compression 95.4 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. Zonnepanelen-info.nl needs all CSS files to be minified and compressed as it can save up to 407.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (74%)

Requests Now

43

After Optimization

11

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zonnepanelen Info. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zonnepanelen-info.nl accessibility score

86

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.

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 IDs are not unique

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

zonnepanelen-info.nl 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zonnepanelen-info.nl SEO score

99

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

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 Zonnepanelen-info.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 Zonnepanelen-info.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 Zonnepanelen Info. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: