3.9 sec in total
621 ms
2.9 sec
378 ms
Welcome to kemkenscvinstallatieonderhoud.nl homepage info - get ready to check Kemkens Cvinstallatieonderhoud best content right away, or after learning these important things about kemkenscvinstallatieonderhoud.nl
Woont u in Noord Brabant of Zeeland? Dan bent u bij ons aan het juiste adres voor deskundig advies over cv-ketels, warmtepompen, zonnepanelen en woningisolatie!
Visit kemkenscvinstallatieonderhoud.nlWe analyzed Kemkenscvinstallatieonderhoud.nl page load time and found that the first response time was 621 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
kemkenscvinstallatieonderhoud.nl performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value11.6 s
0/100
25%
Value8.4 s
18/100
10%
Value11,910 ms
0/100
30%
Value1.481
0/100
15%
Value19.4 s
2/100
10%
621 ms
94 ms
169 ms
207 ms
287 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kemkenscvinstallatieonderhoud.nl, 7% (5 requests) were made to D1gwclp1pmzk26.cloudfront.net and 7% (5 requests) were made to Static.iqnomy.com. The less responsive or slowest element that took the longest time to load (883 ms) relates to the external source Kemkens.nl.
Page size can be reduced by 689.3 kB (34%)
2.0 MB
1.3 MB
In fact, the total size of Kemkenscvinstallatieonderhoud.nl main page is 2.0 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 52.6 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 7.0 kB, which is 11% 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 52.6 kB or 80% of the original size.
Potential reduce by 23.9 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. Kemkens Cvinstallatieonderhoud images are well optimized though.
Potential reduce by 502.6 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 502.6 kB or 73% of the original size.
Potential reduce by 110.2 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. Kemkenscvinstallatieonderhoud.nl needs all CSS files to be minified and compressed as it can save up to 110.2 kB or 84% of the original size.
Number of requests can be reduced by 47 (69%)
68
21
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kemkens Cvinstallatieonderhoud. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.kemkens.nl
621 ms
nivo-slider.css
94 ms
moodsetter.css
169 ms
ajax.php
207 ms
theme.css.php
287 ms
messages.css
177 ms
cookiewarning.css
182 ms
jquery-2.0.0.min.js
24 ms
jquery-migrate-1.2.0.min.js
23 ms
jquery-ui.min.js
35 ms
cms.js
181 ms
jquery.nivo.slider.js
247 ms
ajax.php
334 ms
menu.js
269 ms
messages.js
270 ms
jquery-ui-1.10.4.custom.min.css
328 ms
ga.js
21 ms
j.php
21 ms
hotjar-65279.js
137 ms
476 ms
contact-label.gif
102 ms
zoekbutton.png
100 ms
Header%20Kemkens%20Samen%20met%20Essent.png
101 ms
reviewdetails-star-active.png
99 ms
reviewdetails-star-half.png
100 ms
moodsetter-kopenhuren.png
631 ms
moodsetter-onderhoud.png
545 ms
moodsetter-cvketelkapot.png
641 ms
moodsetter-servicebezoekplannen.png
883 ms
ZonnepanelenBl.png
363 ms
blokje-kopenhuren.png
185 ms
IsolatieHeren.png
363 ms
keyboard.jpg
455 ms
linkedin.png
457 ms
youtube20.png
546 ms
facebook.png
548 ms
twitter.png
627 ms
IQImpressor.js
584 ms
background-top-menu.png
625 ms
background-main-menu.png
624 ms
background-button.png
699 ms
background-inner-footer-1000px.png
868 ms
WRd.js
34 ms
__utm.gif
49 ms
v.gif
42 ms
livechat-new.js
819 ms
background-homepage.png
635 ms
collect
68 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
33 ms
visit-data
210 ms
248 ms
LAB.min.js
95 ms
javascript-xpath-latest-cmp.js
98 ms
flyjsonp.min.js
187 ms
IQImpress.js
189 ms
121 ms
0f47fadbe1afc406849cfddac33bce27
581 ms
print.css
93 ms
livechat-cloud-new.js
28 ms
livechat-v2.js
8 ms
preferences
385 ms
pixel
18 ms
pixel
14 ms
ajax-loader-cursor.gif
130 ms
e03d89.css
31 ms
warning.png
172 ms
clickdesklogo.png
159 ms
proactive
106 ms
31.png
9 ms
ultra-modern-sprite.png
11 ms
__utm.gif
7 ms
kemkenscvinstallatieonderhoud.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
Form elements do not have associated labels
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
kemkenscvinstallatieonderhoud.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
kemkenscvinstallatieonderhoud.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 Kemkenscvinstallatieonderhoud.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 Kemkenscvinstallatieonderhoud.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.
kemkenscvinstallatieonderhoud.nl
Open Graph description is not detected on the main page of Kemkens Cvinstallatieonderhoud. 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: