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deur-intercom.nl screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

deur-intercom.nl

Deurintercom B.V. - installateur - Comelit - Golmar - Siedle - BTicino

Page Load Speed

2.4 sec in total

First Response

204 ms

Resources Loaded

1.8 sec

Page Rendered

425 ms

deur-intercom.nl screenshot

About Website

Welcome to deur-intercom.nl homepage info - get ready to check Deurintercom best content right away, or after learning these important things about deur-intercom.nl

Toegangstechniek & beveiliging. Golmar, Siedle, Comelit, BTicino, Urmet montage of reparatie van uw deurintercom? www.deur-intercom.nl

Visit deur-intercom.nl

Key Findings

We analyzed Deur-intercom.nl page load time and found that the first response time was 204 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

deur-intercom.nl performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

deur-intercom.nl

204 ms

deur-intercom.nl

378 ms

style.min.css

96 ms

wc-blocks-vendors-style.css

189 ms

wc-blocks-style.css

348 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 84% of them (36 requests) were addressed to the original Deur-intercom.nl, 5% (2 requests) were made to Googletagmanager.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (687 ms) belongs to the original domain Deur-intercom.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.8 kB (10%)

Content Size

628.1 kB

After Optimization

563.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Deur-intercom.nl main page is 628.1 kB. 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 541.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 56.2 kB

  • Original 66.1 kB
  • After minification 51.5 kB
  • After compression 9.9 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 22% 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 56.2 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 8.5 kB

  • Original 541.0 kB
  • After minification 532.5 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. Deurintercom images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deurintercom. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deur-intercom.nl

deur-intercom.nl

204 ms

deur-intercom.nl

deur-intercom.nl

378 ms

style.min.css

style.min.css

96 ms

wc-blocks-vendors-style.css

wc-blocks-vendors-style.css

189 ms

wc-blocks-style.css

wc-blocks-style.css

348 ms

classic-themes.min.css

classic-themes.min.css

268 ms

shortcodes.css

shortcodes.css

271 ms

main.css

main.css

370 ms

fe-checkout.css

fe-checkout.css

290 ms

jquery.min.js

jquery.min.js

393 ms

jquery-migrate.min.js

jquery-migrate.min.js

362 ms

gtm4wp-woocommerce-enhanced.js

gtm4wp-woocommerce-enhanced.js

363 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

434 ms

add-to-cart.min.js

add-to-cart.min.js

508 ms

js.cookie.min.js

js.cookie.min.js

509 ms

woocommerce.min.js

woocommerce.min.js

509 ms

cart-fragments.min.js

cart-fragments.min.js

509 ms

main.js

main.js

592 ms

fe-checkout.js

fe-checkout.js

509 ms

gtm.js

gtm.js

140 ms

fbevents.js

fbevents.js

106 ms

logo-deur-intercom.svg

logo-deur-intercom.svg

173 ms

Deurintercom_intercom_systeem.jpg

Deurintercom_intercom_systeem.jpg

163 ms

toegangscontrole-1024x768.jpg

toegangscontrole-1024x768.jpg

429 ms

Postkast_intercom_deurbel_appartement-1024x768.jpg

Postkast_intercom_deurbel_appartement-1024x768.jpg

501 ms

img-service-5.jpg

img-service-5.jpg

378 ms

img-service-3.jpg

img-service-3.jpg

454 ms

Freek_Poortvliet-150x150.jpeg

Freek_Poortvliet-150x150.jpeg

282 ms

symbol-deur-intercom.svg

symbol-deur-intercom.svg

281 ms

subset-Jost-Regular.woff

subset-Jost-Regular.woff

315 ms

subset-Jost-Medium.woff

subset-Jost-Medium.woff

304 ms

subset-Jost-Light.woff

subset-Jost-Light.woff

394 ms

subset-Jost-SemiBold.woff

subset-Jost-SemiBold.woff

410 ms

fa-regular-400.woff

fa-regular-400.woff

687 ms

fa-light-300.woff

fa-light-300.woff

546 ms

fa-solid-900.woff

fa-solid-900.woff

572 ms

subset-OpenSans-Regular.woff

subset-OpenSans-Regular.woff

483 ms

subset-OpenSans-SemiBold.woff

subset-OpenSans-SemiBold.woff

504 ms

js

js

57 ms

analytics.js

analytics.js

28 ms

collect

collect

12 ms

collect

collect

85 ms

ga-audiences

ga-audiences

79 ms

Accessibility Review

deur-intercom.nl accessibility score

83

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

High

Image elements do not have [alt] attributes

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.

Best Practices

deur-intercom.nl 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

SEO Factors

deur-intercom.nl SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Deur-intercom.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 Deur-intercom.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

deur-intercom.nl

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