Tools & Wizards About Us
zonenscherm.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zonenscherm.nl

Uw specialist in zonwering en raamdecoratie • Altijd de beste prijs

Page Load Speed

5.5 sec in total

First Response

385 ms

Resources Loaded

4.4 sec

Page Rendered

690 ms

zonenscherm.nl screenshot

About Website

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

Zon en Scherm: grootste in Zonwering & Raamdecoratie ✓ Inspiratie, advies en altijd de scherpste prijs bij uw zonweringspecialist. ✓ Showrooms in heel Nederland.

Visit zonenscherm.nl

Key Findings

We analyzed Zonenscherm.nl page load time and found that the first response time was 385 ms and then it took 5.1 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

zonenscherm.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value27.5 s

0/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value36.7 s

0/100

10%

Network Requests Diagram

zonenscherm.nl

385 ms

zonenscherm.nl

393 ms

www.zonenscherm.nl

683 ms

94BCEA1CA3FDF661C1257801002D7ABB-v25.css

189 ms

16BF81378823B081C1258AC9003F3925-v5.css

276 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 70% of them (43 requests) were addressed to the original Zonenscherm.nl, 18% (11 requests) were made to Klantenvertellen.nl and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (846 ms) belongs to the original domain Zonenscherm.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 928.7 kB (14%)

Content Size

6.9 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zonenscherm.nl main page is 6.9 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. 60% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 37.3 kB

  • Original 44.8 kB
  • After minification 42.7 kB
  • After compression 7.5 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 37.3 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 782.2 kB

  • Original 6.4 MB
  • After minification 5.6 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. Obviously, Zon En Scherm needs image optimization as it can save up to 782.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-31%

Potential reduce by 99.9 kB

  • Original 320.1 kB
  • After minification 320.1 kB
  • After compression 220.2 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 99.9 kB or 31% of the original size.

CSS Optimization

-9%

Potential reduce by 9.3 kB

  • Original 100.2 kB
  • After minification 100.1 kB
  • After compression 90.9 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. Zonenscherm.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (61%)

Requests Now

49

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zon En Scherm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zonenscherm.nl

zonenscherm.nl

385 ms

zonenscherm.nl

zonenscherm.nl

393 ms

www.zonenscherm.nl

www.zonenscherm.nl

683 ms

94BCEA1CA3FDF661C1257801002D7ABB-v25.css

94BCEA1CA3FDF661C1257801002D7ABB-v25.css

189 ms

16BF81378823B081C1258AC9003F3925-v5.css

16BF81378823B081C1258AC9003F3925-v5.css

276 ms

DA26DF6AA22F6745C12585D60030BA05-v19.css

DA26DF6AA22F6745C12585D60030BA05-v19.css

275 ms

051A0D3690F093A0C12587B30048BB39-v4.css

051A0D3690F093A0C12587B30048BB39-v4.css

280 ms

aspml.js

aspml.js

375 ms

jquery.min.js

jquery.min.js

283 ms

jquery-ui.min.js

jquery-ui.min.js

486 ms

jquery-ui-i18n.min.js

jquery-ui-i18n.min.js

365 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

365 ms

jquery.scrollTo.min.js

jquery.scrollTo.min.js

370 ms

jquery.validate.min.js

jquery.validate.min.js

388 ms

messages_nl.js

messages_nl.js

456 ms

slick.min.js

slick.min.js

455 ms

photoswipe.min.js

photoswipe.min.js

462 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

467 ms

svg4everybody.min.js

svg4everybody.min.js

467 ms

jquery.tabbedForm.js

jquery.tabbedForm.js

544 ms

infotabs.js

infotabs.js

545 ms

photoswipe.js

photoswipe.js

553 ms

jquery.cookie.js

jquery.cookie.js

559 ms

jquery.cookieBar.min.js

jquery.cookieBar.min.js

559 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

23 ms

94BCEA1CA3FDF661C1257801002D7ABB-v25.js

94BCEA1CA3FDF661C1257801002D7ABB-v25.js

577 ms

ping.js

ping.js

92 ms

gtm.js

gtm.js

99 ms

zon-en-scherm-logo.svg

zon-en-scherm-logo.svg

96 ms

Contact%20Form%20Glaswanden%20Balkon%20Sven%20Polman.png

Contact%20Form%20Glaswanden%20Balkon%20Sven%20Polman.png

547 ms

Footer_versie_1.png

Footer_versie_1.png

198 ms

source-sans-pro-v11-latin-regular.woff

source-sans-pro-v11-latin-regular.woff

126 ms

source-sans-pro-v11-latin-300.woff

source-sans-pro-v11-latin-300.woff

127 ms

source-sans-pro-v11-latin-600.woff

source-sans-pro-v11-latin-600.woff

126 ms

source-sans-pro-v11-latin-700.woff

source-sans-pro-v11-latin-700.woff

191 ms

entypo.svg

entypo.svg

490 ms

retrieve-widget.html

retrieve-widget.html

622 ms

Lente-deals-homepagina-banner.png

Lente-deals-homepagina-banner.png

846 ms

txtbg.png

txtbg.png

331 ms

Lente-deals-intro-afbeelding.png

Lente-deals-intro-afbeelding.png

754 ms

Mariette%201.png

Mariette%201.png

824 ms

Verano-RV32-rolluik-afb1.jpg

Verano-RV32-rolluik-afb1.jpg

580 ms

solar%20panels%20dakrand%20vlaardingen2b%20960x640.jpg

solar%20panels%20dakrand%20vlaardingen2b%20960x640.jpg

651 ms

Referentie%20s%20Gravenzande%20Rinca%20ZS25%20XL%20960x640.jpg

Referentie%20s%20Gravenzande%20Rinca%20ZS25%20XL%20960x640.jpg

604 ms

Referentie%20Pernis%20960x640%202Rotterdam%202209372.jpeg

Referentie%20Pernis%20960x640%202Rotterdam%202209372.jpeg

770 ms

oswald-v16-latin-regular.woff

oswald-v16-latin-regular.woff

667 ms

uc.js

uc.js

74 ms

js

js

71 ms

destination

destination

197 ms

fetchsleakbotv2.1.js

fetchsleakbotv2.1.js

67 ms

public.css

public.css

606 ms

widget.js

widget.js

365 ms

94BCEA1CA3FDF661C1257801002D7ABB-v25.css

94BCEA1CA3FDF661C1257801002D7ABB-v25.css

96 ms

kv_shape.svg

kv_shape.svg

360 ms

GothamBook.svg

GothamBook.svg

629 ms

GothamMedium.svg

GothamMedium.svg

611 ms

Gotham-Bold_21010.svg

Gotham-Bold_21010.svg

360 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

534 ms

Gotham-Bold_21010.woff

Gotham-Bold_21010.woff

183 ms

GothamMedium.woff

GothamMedium.woff

212 ms

GothamBook.woff

GothamBook.woff

434 ms

Accessibility Review

zonenscherm.nl accessibility score

90

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.

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

Best Practices

zonenscherm.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

zonenscherm.nl SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 Zonenscherm.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 Zonenscherm.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

zonenscherm.nl

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