Tools & Wizards About Us
cvketelvervangen.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cvketelvervangen.nl

Nederlandse Installatie Maatschappij - Nederlandse Installatie Maatschappij

Page Load Speed

3.8 sec in total

First Response

369 ms

Resources Loaded

3.3 sec

Page Rendered

140 ms

cvketelvervangen.nl screenshot

About Website

Visit cvketelvervangen.nl now to see the best up-to-date Cvketelvervangen content and also check out these interesting facts you probably never knew about cvketelvervangen.nl

Wij verkopen de volgende merken cv-ketels Bekijk het totale aanbod Waarom een cv-ketel kopen bij de NIM? 365 dagen per jaar beschikbaar Gespecialiseerd in het onderhouden en repareren van ...

Visit cvketelvervangen.nl

Key Findings

We analyzed Cvketelvervangen.nl page load time and found that the first response time was 369 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

cvketelvervangen.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,890 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.126

83/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

cvketelvervangen.nl

369 ms

www.nederlandseinstallatiemaatschappij.nl

1097 ms

js

65 ms

styles.css

273 ms

jquery-ui.css

277 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cvketelvervangen.nl, 95% (104 requests) were made to Nederlandseinstallatiemaatschappij.nl and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Nederlandseinstallatiemaatschappij.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (63%)

Content Size

2.4 MB

After Optimization

875.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cvketelvervangen.nl main page is 2.4 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. 55% of websites need less resources to load. HTML takes 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 1.4 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 226.2 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 1.4 MB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 16.5 kB

  • Original 346.3 kB
  • After minification 329.8 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. Cvketelvervangen images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 59.5 kB

  • Original 342.6 kB
  • After minification 342.6 kB
  • After compression 283.1 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 59.5 kB or 17% of the original size.

CSS Optimization

-24%

Potential reduce by 11.6 kB

  • Original 47.8 kB
  • After minification 47.8 kB
  • After compression 36.3 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. Cvketelvervangen.nl needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 92 (88%)

Requests Now

104

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvketelvervangen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 88 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cvketelvervangen.nl

cvketelvervangen.nl

369 ms

www.nederlandseinstallatiemaatschappij.nl

www.nederlandseinstallatiemaatschappij.nl

1097 ms

js

js

65 ms

styles.css

styles.css

273 ms

jquery-ui.css

jquery-ui.css

277 ms

jquery.timepicker.min.css

jquery.timepicker.min.css

275 ms

style.min.css

style.min.css

367 ms

frontend-gtag.min.js

frontend-gtag.min.js

282 ms

jquery.min.js

jquery.min.js

356 ms

jquery-migrate.min.js

jquery-migrate.min.js

362 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

382 ms

add-to-cart.min.js

add-to-cart.min.js

382 ms

js.cookie.min.js

js.cookie.min.js

383 ms

woocommerce.min.js

woocommerce.min.js

448 ms

underscore.min.js

underscore.min.js

452 ms

wp-util.min.js

wp-util.min.js

458 ms

add-to-cart-variation.min.js

add-to-cart-variation.min.js

560 ms

wc-blocks.css

wc-blocks.css

297 ms

style.min.css

style.min.css

301 ms

index.js

index.js

298 ms

index.js

index.js

297 ms

sourcebuster.min.js

sourcebuster.min.js

299 ms

order-attribution.min.js

order-attribution.min.js

298 ms

core.min.js

core.min.js

299 ms

datepicker.min.js

datepicker.min.js

369 ms

wcj-datepicker.js

wcj-datepicker.js

372 ms

wcj-weekpicker.js

wcj-weekpicker.js

376 ms

jquery.timepicker.min.js

jquery.timepicker.min.js

378 ms

wcj-timepicker.js

wcj-timepicker.js

382 ms

api.js

api.js

37 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

385 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

460 ms

wp-polyfill.min.js

wp-polyfill.min.js

462 ms

index.js

index.js

467 ms

awb-tabs-widget.js

awb-tabs-widget.js

468 ms

awb-vertical-menu-widget.js

awb-vertical-menu-widget.js

471 ms

cssua.js

cssua.js

477 ms

modernizr.js

modernizr.js

554 ms

fusion.js

fusion.js

553 ms

swiper.js

swiper.js

647 ms

bootstrap.transition.js

bootstrap.transition.js

620 ms

bootstrap.tooltip.js

bootstrap.tooltip.js

618 ms

jquery.requestAnimationFrame.js

jquery.requestAnimationFrame.js

617 ms

jquery.easing.js

jquery.easing.js

635 ms

jquery.fitvids.js

jquery.fitvids.js

558 ms

jquery.flexslider.js

jquery.flexslider.js

559 ms

jquery.ilightbox.js

jquery.ilightbox.js

632 ms

jquery.mousewheel.js

jquery.mousewheel.js

551 ms

jquery.placeholder.js

jquery.placeholder.js

626 ms

jquery.fade.js

jquery.fade.js

626 ms

imagesLoaded.js

imagesLoaded.js

561 ms

fusion-equal-heights.js

fusion-equal-heights.js

556 ms

analytics.js

analytics.js

36 ms

fusion-parallax.js

fusion-parallax.js

467 ms

fusion-video-general.js

fusion-video-general.js

544 ms

fusion-video-bg.js

fusion-video-bg.js

544 ms

fusion-lightbox.js

fusion-lightbox.js

540 ms

fusion-tooltip.js

fusion-tooltip.js

545 ms

fusion-sharing-box.js

fusion-sharing-box.js

544 ms

jquery.sticky-kit.js

jquery.sticky-kit.js

559 ms

fusion-youtube.js

fusion-youtube.js

640 ms

vimeoPlayer.js

vimeoPlayer.js

639 ms

collect

collect

12 ms

avada-woo-variations.js

avada-woo-variations.js

567 ms

avada-general-footer.js

avada-general-footer.js

571 ms

avada-quantity.js

avada-quantity.js

566 ms

avada-crossfade-images.js

avada-crossfade-images.js

572 ms

avada-select.js

avada-select.js

652 ms

avada-contact-form-7.js

avada-contact-form-7.js

647 ms

avada-live-search.js

avada-live-search.js

570 ms

fusion-alert.js

fusion-alert.js

569 ms

awb-off-canvas.js

awb-off-canvas.js

568 ms

fusion-flexslider.js

fusion-flexslider.js

575 ms

fusion-animations.js

fusion-animations.js

652 ms

fusion-column-legacy.js

fusion-column-legacy.js

639 ms

jquery.textillate.js

jquery.textillate.js

574 ms

fusion-title.js

fusion-title.js

508 ms

awb-carousel.js

awb-carousel.js

503 ms

fusion-button.js

fusion-button.js

512 ms

awb-background-slider.js

awb-background-slider.js

593 ms

fusion-container.js

fusion-container.js

572 ms

jquery.elasticslider.js

jquery.elasticslider.js

571 ms

avada-elastic-slider.js

avada-elastic-slider.js

570 ms

avada-drop-down.js

avada-drop-down.js

567 ms

avada-to-top.js

avada-to-top.js

566 ms

avada-header.js

avada-header.js

571 ms

avada-menu.js

avada-menu.js

572 ms

bootstrap.scrollspy.js

bootstrap.scrollspy.js

571 ms

avada-scrollspy.js

avada-scrollspy.js

568 ms

avada-woo-products.js

avada-woo-products.js

565 ms

avada-woocommerce.js

avada-woocommerce.js

564 ms

avada-woo-product-images.js

avada-woo-product-images.js

570 ms

fusion-responsive-typography.js

fusion-responsive-typography.js

565 ms

fusion-scroll-to-anchor.js

fusion-scroll-to-anchor.js

566 ms

fusion-general-global.js

fusion-general-global.js

566 ms

fusion-video.js

fusion-video.js

566 ms

fusion-column.js

fusion-column.js

564 ms

awb-icons.woff

awb-icons.woff

561 ms

fa-solid-900.woff

fa-solid-900.woff

650 ms

fa-regular-400.woff

fa-regular-400.woff

564 ms

logo-nim-nieuw-VF.jpg

logo-nim-nieuw-VF.jpg

655 ms

logo-nim-2.jpg

logo-nim-2.jpg

562 ms

nefit-logo-small.jpg

nefit-logo-small.jpg

570 ms

atag-logo-small.jpg

atag-logo-small.jpg

564 ms

vaillant-logo-small.jpg

vaillant-logo-small.jpg

564 ms

remeha-logo-small.jpg

remeha-logo-small.jpg

564 ms

Beeldmerk-CO-vrij-002-219x300.png

Beeldmerk-CO-vrij-002-219x300.png

666 ms

6277-193x300.jpg

6277-193x300.jpg

647 ms

logo-nim.jpg

logo-nim.jpg

92 ms

Accessibility Review

cvketelvervangen.nl accessibility score

96

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.

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

cvketelvervangen.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

cvketelvervangen.nl SEO score

100

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

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 Cvketelvervangen.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 Cvketelvervangen.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

cvketelvervangen.nl

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