Tools & Wizards About Us
dakvenster.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% 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

dakvenster.com

VELUX, Dakea en LuXtra dakramen, lichtkoepels en raamdecoratie | Dakvenster.com

Page Load Speed

3 sec in total

First Response

299 ms

Resources Loaded

2.4 sec

Page Rendered

308 ms

dakvenster.com screenshot

About Website

Welcome to dakvenster.com homepage info - get ready to check Dakvenster best content right away, or after learning these important things about dakvenster.com

Goedkoopste dealer van LuXtra en Dakea dakramen en VELUX daglichtsystemen. Dakvenster.com, grootste en meest gespecialiseerde bedrijf op het gebied van dakramen, zolderramen, daglichtsystemen en licht...

Visit dakvenster.com

Key Findings

We analyzed Dakvenster.com page load time and found that the first response time was 299 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dakvenster.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value3,830 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.406

24/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

dakvenster.com

299 ms

www.dakvenster.nl

698 ms

style.css

418 ms

jquery.fancybox-1.3.4.css

169 ms

css-montage.css

250 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dakvenster.com, 90% (62 requests) were made to Dakvenster.nl and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (698 ms) relates to the external source Dakvenster.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 278.6 kB (21%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dakvenster.com main page is 1.3 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. 35% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 32.0 kB

  • Original 38.6 kB
  • After minification 33.8 kB
  • After compression 6.6 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 4.7 kB, which is 12% 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 32.0 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 30.4 kB

  • Original 1.0 MB
  • After minification 972.6 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. Dakvenster images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 48.9 kB

  • Original 82.3 kB
  • After minification 70.3 kB
  • After compression 33.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 48.9 kB or 59% of the original size.

CSS Optimization

-89%

Potential reduce by 167.2 kB

  • Original 187.1 kB
  • After minification 154.4 kB
  • After compression 19.8 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. Dakvenster.com needs all CSS files to be minified and compressed as it can save up to 167.2 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dakvenster. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dakvenster.com

dakvenster.com

299 ms

www.dakvenster.nl

www.dakvenster.nl

698 ms

style.css

style.css

418 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

169 ms

css-montage.css

css-montage.css

250 ms

jquery.min.js

jquery.min.js

27 ms

jquery-ui.min.js

jquery-ui.min.js

31 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

168 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

252 ms

init.js

init.js

168 ms

bestel_snel.js

bestel_snel.js

250 ms

jquery.ui.autocomplete.js

jquery.ui.autocomplete.js

332 ms

ajax.js

ajax.js

251 ms

init.js

init.js

330 ms

general.js

general.js

332 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

332 ms

init.js

init.js

333 ms

bg-html.png

bg-html.png

90 ms

bg-body.png

bg-body.png

87 ms

service_icon-vraag.png

service_icon-vraag.png

86 ms

service_icon-chat.png

service_icon-chat.png

87 ms

service_icon_bel.png

service_icon_bel.png

89 ms

service_icon-mail.png

service_icon-mail.png

90 ms

service_icon-contact.png

service_icon-contact.png

164 ms

service_icon-bonus.png

service_icon-bonus.png

167 ms

service_icon-transport.png

service_icon-transport.png

169 ms

line_double-red_bottom.png

line_double-red_bottom.png

169 ms

sidebar-shadow.png

sidebar-shadow.png

171 ms

homepagebannerramen_nl_1429079520.png

homepagebannerramen_nl_1429079520.png

252 ms

arrow-red.png

arrow-red.png

247 ms

ZYSUK5AL5N726UB.js

ZYSUK5AL5N726UB.js

237 ms

slider-shadow.png

slider-shadow.png

224 ms

advertorialVELUX_1401186130.jpg

advertorialVELUX_1401186130.jpg

481 ms

advertoriallichtkoepel2_1401704793.jpg

advertoriallichtkoepel2_1401704793.jpg

393 ms

advertorialFE_1401705077.jpg

advertorialFE_1401705077.jpg

394 ms

shadow-product-item_home.png

shadow-product-item_home.png

305 ms

vlakglas_1457693799.jpg

vlakglas_1457693799.jpg

310 ms

line_double_bottom.png

line_double_bottom.png

310 ms

empty.gif

empty.gif

387 ms

kunststof174x158_1358326399-1.jpg

kunststof174x158_1358326399-1.jpg

392 ms

DPX_C2A_1349082883-1.jpg

DPX_C2A_1349082883-1.jpg

394 ms

febudget2_1408977526.jpg

febudget2_1408977526.jpg

472 ms

rolluiken_13668051131_1446800209_1447077465.jpg

rolluiken_13668051131_1446800209_1447077465.jpg

481 ms

CVPbest_deal_1358325226-1.jpg

CVPbest_deal_1358325226-1.jpg

480 ms

transportAgriport_1400498300.png

transportAgriport_1400498300.png

482 ms

bonus_1340365085-1.png

bonus_1340365085-1.png

564 ms

leverancierAgriport_1400508766.png

leverancierAgriport_1400508766.png

569 ms

shadow-cta.png

shadow-cta.png

566 ms

velux_official_dealer.png

velux_official_dealer.png

568 ms

visualcta_vraaghetons_0_167_1339426910.png

visualcta_vraaghetons_0_167_1339426910.png

565 ms

visualcta_nieuwsbrief_0_168_1339426910_0_168_1407487511.png

visualcta_nieuwsbrief_0_168_1339426910_0_168_1407487511.png

567 ms

usp-bar.png

usp-bar.png

650 ms

cart.png

cart.png

654 ms

menu-home.png

menu-home.png

654 ms

ga.js

ga.js

24 ms

__utm.gif

__utm.gif

24 ms

dakramen_0_2_1362737079.jpg

dakramen_0_2_1362737079.jpg

607 ms

lichtkoepel280x270_0_3_1338987097.jpg

lichtkoepel280x270_0_3_1338987097.jpg

688 ms

daglichtsysteem280x270_0_4_1338987097.jpg

daglichtsysteem280x270_0_4_1338987097.jpg

603 ms

raamdeco_0_5_1362737375.jpg

raamdeco_0_5_1362737375.jpg

679 ms

bediening280x270_0_6_1338987097.jpg

bediening280x270_0_6_1338987097.jpg

684 ms

logo-dakvenster.png

logo-dakvenster.png

683 ms

arrow-red_top.png

arrow-red_top.png

609 ms

language.png

language.png

607 ms

arrow-white.png

arrow-white.png

685 ms

footer-orange.png

footer-orange.png

688 ms

betaal_logosNL.png

betaal_logosNL.png

687 ms

ZYSUK5AL5N726UB-3.gif

ZYSUK5AL5N726UB-3.gif

80 ms

bullets.png

bullets.png

86 ms

Accessibility Review

dakvenster.com accessibility score

93

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

Links do not have a discernible name

Best Practices

dakvenster.com 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

dakvenster.com SEO score

92

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

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 Dakvenster.com 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 Dakvenster.com 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

dakvenster.com

Open Graph description is not detected on the main page of Dakvenster. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: