3.2 sec in total
345 ms
2.6 sec
299 ms
Welcome to devreeden.nl homepage info - get ready to check De Vreeden best content right away, or after learning these important things about devreeden.nl
Installateur De Vreeden is gespecialiseerd in verduurzaming, cv-ketels, ventilatie, regeltechnische bekabeling, technisch beheer voor zakelijke afnemers
Visit devreeden.nlWe analyzed Devreeden.nl page load time and found that the first response time was 345 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
devreeden.nl performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value16.2 s
0/100
25%
Value6.4 s
40/100
10%
Value8,460 ms
0/100
30%
Value0
100/100
15%
Value22.7 s
1/100
10%
345 ms
1537 ms
175 ms
31 ms
120 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 69% of them (18 requests) were addressed to the original Devreeden.nl, 8% (2 requests) were made to Google-analytics.com and 8% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Devreeden.nl.
Page size can be reduced by 142.9 kB (41%)
348.0 kB
205.1 kB
In fact, the total size of Devreeden.nl main page is 348.0 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. 20% of websites need less resources to load. Images take 172.2 kB which makes up the majority of the site volume.
Potential reduce by 17.5 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 17.5 kB or 73% of the original size.
Potential reduce by 8.9 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. De Vreeden images are well optimized though.
Potential reduce by 82.5 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 82.5 kB or 74% of the original size.
Potential reduce by 34.1 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. Devreeden.nl needs all CSS files to be minified and compressed as it can save up to 34.1 kB or 85% of the original size.
Number of requests can be reduced by 6 (29%)
21
15
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Vreeden. 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.
devreeden.nl
345 ms
www.devreeden.nl
1537 ms
layout.css
175 ms
jquery.min.js
31 ms
plugins.js
120 ms
jquery.flexslider-custom.js
267 ms
owl.carousel.js
320 ms
functions.js
181 ms
events.js
180 ms
analytics.js
22 ms
logo.png
90 ms
main.png
329 ms
installateursbeelden_1511_auto_auto_q_De_Vreeden_personeel_crop.jpg
490 ms
installateursbeelden_1511_auto_auto_c220_c220_q_Avanta_glossy_met_reflectie.png
307 ms
installateursbeelden_1511_auto_auto_c220_c220_q_Evita_open_Slide.jpg
179 ms
installateursbeelden_1511_auto_auto_c220_c220_q_Ventilatie.jpg
241 ms
installateursbeelden_1511_auto_auto_c220_c220_q_devreeden-kleur-16.jpg
270 ms
installateursbeelden_1511_auto_auto_c220_c220_q_zonnepanelen.jpg
375 ms
collect
12 ms
Titillium-Semibold.woff
453 ms
Titillium-Regular.woff
481 ms
all.js
72 ms
66 ms
xd_arbiter.php
68 ms
xd_arbiter.php
125 ms
ping
43 ms
devreeden.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
devreeden.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
devreeden.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 Devreeden.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 Devreeden.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.
devreeden.nl
Open Graph description is not detected on the main page of De Vreeden. 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: