Tools & Wizards About Us
zonwering.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zonwering.nl

Zonwering, Rolluiken & Screens kopen? | Zonwering.nl

Page Load Speed

4.1 sec in total

First Response

295 ms

Resources Loaded

3.3 sec

Page Rendered

521 ms

zonwering.nl screenshot

About Website

Welcome to zonwering.nl homepage info - get ready to check Zonwering best content for Netherlands right away, or after learning these important things about zonwering.nl

Bij Zonwering.nl kunt u terecht voor o.a. zonwering, markiezen, screens, buitenjaloezieen & Roma rolluiken en garagedeuren. Vraag gratis een offerte aan!

Visit zonwering.nl

Key Findings

We analyzed Zonwering.nl page load time and found that the first response time was 295 ms and then it took 3.8 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

zonwering.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.355

31/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

zonwering.nl

295 ms

www.zonwering.nl

1473 ms

app.css

207 ms

manifest.js

291 ms

vendor.js

684 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 96% of them (54 requests) were addressed to the original Zonwering.nl, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zonwering.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.4 kB (7%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zonwering.nl main page is 1.8 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. 45% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 71.4 kB

  • Original 83.0 kB
  • After minification 68.4 kB
  • After compression 11.7 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 14.6 kB, which is 18% 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 71.4 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 36.1 kB

  • Original 1.4 MB
  • After minification 1.4 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. Zonwering images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 13.3 kB

  • Original 259.1 kB
  • After minification 259.1 kB
  • After compression 245.8 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

-10%

Potential reduce by 4.7 kB

  • Original 45.1 kB
  • After minification 45.1 kB
  • After compression 40.4 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. Zonwering.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

45

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zonwering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zonwering.nl

zonwering.nl

295 ms

www.zonwering.nl

www.zonwering.nl

1473 ms

app.css

app.css

207 ms

manifest.js

manifest.js

291 ms

vendor.js

vendor.js

684 ms

app.js

app.js

389 ms

gtm.js

gtm.js

71 ms

zonwering_logo.svg

zonwering_logo.svg

125 ms

zonwering_assets_screen.svg

zonwering_assets_screen.svg

152 ms

zonwering_assets_rolluiken.svg

zonwering_assets_rolluiken.svg

225 ms

zonwering_assets_jaloezieen.svg

zonwering_assets_jaloezieen.svg

251 ms

zonwering_assets_markiezen.svg

zonwering_assets_markiezen.svg

256 ms

zonwering_assets_uitvalscherm.svg

zonwering_assets_uitvalscherm.svg

296 ms

zonwering_assets_pergola.svg

zonwering_assets_pergola.svg

299 ms

zonwering_assets_serrezonwering_1_2_3_4.svg

zonwering_assets_serrezonwering_1_2_3_4.svg

326 ms

zonwering_assets_knikarmschermen.svg

zonwering_assets_knikarmschermen.svg

364 ms

zonwering_assets_bediening.svg

zonwering_assets_bediening.svg

361 ms

silento2.jpg

silento2.jpg

518 ms

b2-roldeur-met-hindernisherkenning-en-noodhandbediening-binnen.jpg

b2-roldeur-met-hindernisherkenning-en-noodhandbediening-binnen.jpg

518 ms

roma-rollgitter-header-12604.png

roma-rollgitter-header-12604.png

575 ms

houten-sectionaaldeur.jpg

houten-sectionaaldeur.jpg

575 ms

garagedeuren-kantelpoorten.jpg

garagedeuren-kantelpoorten.jpg

516 ms

rolltore-silento21.jpg

rolltore-silento21.jpg

575 ms

roma-textilscreens-referenzobjekte-objekt336-lightbox02-13674.png

roma-textilscreens-referenzobjekte-objekt336-lightbox02-13674.png

756 ms

roma-rollladen-referenzobjekte-objekt400-lightbox02-13830.png

roma-rollladen-referenzobjekte-objekt400-lightbox02-13830.png

868 ms

buitenjaloezie-hoog.jpg

buitenjaloezie-hoog.jpg

693 ms

zenara-met-verlichting-bij-avond.jpg

zenara-met-verlichting-bij-avond.jpg

623 ms

schlappi-markies.jpg

schlappi-markies.jpg

649 ms

uitvalscherm-1.jpg

uitvalscherm-1.jpg

755 ms

Zonwering_Assets_Nederland%20volvlak.svg

Zonwering_Assets_Nederland%20volvlak.svg

726 ms

dots.svg

dots.svg

752 ms

dv19447.jpg

dv19447.jpg

894 ms

wgm-sottezza.jpg

wgm-sottezza.jpg

920 ms

dickson.png

dickson.png

854 ms

utrecht2.gif

utrecht2.gif

855 ms

dv19452-2.jpg

dv19452-2.jpg

947 ms

weinor-logo.png

weinor-logo.png

957 ms

somfy.jpg

somfy.jpg

962 ms

logo-schlappi-cmyk.jpg

logo-schlappi-cmyk.jpg

969 ms

Sailec-Regular.woff

Sailec-Regular.woff

997 ms

Sailec-Medium.woff

Sailec-Medium.woff

978 ms

uc.js

uc.js

25 ms

Sailec-Light.woff

Sailec-Light.woff

933 ms

Sailec-Bold.woff

Sailec-Bold.woff

923 ms

Sailec-Black.woff

Sailec-Black.woff

926 ms

Merriweather-Bold.woff

Merriweather-Bold.woff

863 ms

Merriweather-Regular.woff

Merriweather-Regular.woff

864 ms

fontello.woff

fontello.woff

873 ms

fontello.woff

fontello.woff

865 ms

roma.jpg

roma.jpg

873 ms

dickson.png

dickson.png

849 ms

soltis-logo.jpg

soltis-logo.jpg

825 ms

20-zonwering-voor-buiten.jpeg

20-zonwering-voor-buiten.jpeg

856 ms

19-knikarmschermen-waar-op-letten.jpeg

19-knikarmschermen-waar-op-letten.jpeg

749 ms

18-de-voordelen-van-rolluiken-in-de-winter.jpeg

18-de-voordelen-van-rolluiken-in-de-winter.jpeg

756 ms

zonwering_logo_wit.svg

zonwering_logo_wit.svg

705 ms

Accessibility Review

zonwering.nl accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

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

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

zonwering.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zonwering.nl SEO score

92

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 Zonwering.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 Zonwering.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

zonwering.nl

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