7.6 sec in total
3 sec
4.4 sec
270 ms
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.nlWe analyzed Deur-intercom.nl page load time and found that the first response time was 3 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
deur-intercom.nl performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value8.5 s
2/100
25%
Value5.4 s
56/100
10%
Value490 ms
59/100
30%
Value0.081
94/100
15%
Value7.9 s
43/100
10%
3002 ms
106 ms
206 ms
5 ms
31 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 78% of them (29 requests) were addressed to the original Deur-intercom.nl, 5% (2 requests) were made to Maxcdn.bootstrapcdn.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Deur-intercom.nl.
Page size can be reduced by 308.5 kB (14%)
2.2 MB
1.9 MB
In fact, the total size of Deur-intercom.nl main page is 2.2 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. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 16.6 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. 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 16.6 kB or 72% of the original size.
Potential reduce by 191.5 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.
Potential reduce by 60.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 60.8 kB or 65% of the original size.
Potential reduce by 39.6 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. Deur-intercom.nl needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 79% of the original size.
Number of requests can be reduced by 6 (18%)
33
27
The browser has sent 33 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 7 to 1 for JavaScripts and as a result speed up the page load time.
deur-intercom.nl
3002 ms
template.css
106 ms
responsive.css
206 ms
font-awesome.min.css
5 ms
jquery.min.js
31 ms
placeholder.js
277 ms
slider.js
280 ms
js
28 ms
iframe.js
278 ms
javascript.js
277 ms
analytics.js
130 ms
deurintercom_logo.png
210 ms
Video_intercom.jpg
650 ms
Golmar_intercom.jpg
810 ms
Golmar.jpg
810 ms
Vervanging_installatie_deurintercom.jpg
411 ms
deurintercom_shop.jpg
305 ms
brievenbus_deurbel_intercom.jpg
612 ms
deurbel-intercom-messing.jpg
608 ms
deurbel_intercom_amsterdam.jpg
613 ms
comelit_amsterdam.jpg
811 ms
f3cfea87a6cc9ec61e31929c7832908f.jpg
815 ms
cmvi-style_01_sz.jpg
916 ms
6f5cb9789d0bc31204665fa91e3a39cd.jpg
751 ms
golmar_po60_510r_10_2.jpg
1058 ms
Golmar_Shiner_90_vervang_monitor.jpg
911 ms
Draadloos_deurbel_met_camera.jpg
912 ms
Comelit.jpg
915 ms
Siedle_Scope.jpg
1016 ms
deur_openen_met_mobiel_telefoon.jpg
1114 ms
deurtelefoon.jpg
1117 ms
messing_intercom_camera_amsterdam.jpg.jpg
1121 ms
Amsterdam_intercom.jpg
1118 ms
fontawesome-webfont.woff
16 ms
collect
27 ms
collect
61 ms
ga-audiences
35 ms
deur-intercom.nl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
deur-intercom.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
deur-intercom.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
NL
NL
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.
deur-intercom.nl
Open Graph description is not detected on the main page of Deurintercom. 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: