13.7 sec in total
3.4 sec
10.1 sec
211 ms
Visit centralheating.nl now to see the best up-to-date Centralheating content and also check out these interesting facts you probably never knew about centralheating.nl
Hoppenbrouwers Techniek Kaatsheuvel is jouw technisch dienstverlener, gespecialiseerd in duurzame energie.
Visit centralheating.nlWe analyzed Centralheating.nl page load time and found that the first response time was 3.4 sec and then it took 10.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
centralheating.nl performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value15.9 s
0/100
25%
Value10.8 s
7/100
10%
Value1,340 ms
17/100
30%
Value0.002
100/100
15%
Value26.7 s
0/100
10%
3361 ms
456 ms
478 ms
310 ms
325 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that 96% of them (89 requests) were addressed to the original Centralheating.nl, 3% (3 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Centralheating.nl.
Page size can be reduced by 2.4 MB (70%)
3.4 MB
1.0 MB
In fact, the total size of Centralheating.nl main page is 3.4 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. 70% of websites need less resources to load. HTML takes 1.4 MB which makes up the majority of the site volume.
Potential reduce by 1.4 MB
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 99% of the original size.
Potential reduce by 337.7 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. Obviously, Centralheating needs image optimization as it can save up to 337.7 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 376.7 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 376.7 kB or 70% of the original size.
Potential reduce by 273.9 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. Centralheating.nl needs all CSS files to be minified and compressed as it can save up to 273.9 kB or 84% of the original size.
Number of requests can be reduced by 40 (45%)
88
48
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centralheating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
centralheating.nl
3361 ms
wp-emoji-release.min.js
456 ms
js_composer_front.css
478 ms
vc.css
310 ms
styles.css
325 ms
style_pack.css
324 ms
settings.css
419 ms
captions.php
760 ms
style.css
213 ms
retina.css
116 ms
responsive.css
113 ms
css
27 ms
magenta.css
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jquery.bxslider.css
141 ms
settings.css
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magnific-popup.css
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magnific-popup-anim.css
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font-awesome.min.css
309 ms
entypo.css
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jquery.js
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jquery-migrate.min.js
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jquery.themepunch.plugins.min.js
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jquery.themepunch.revolution.min.js
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jquery.bxslider.min.js
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jquery.caroufredsel.min.js
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jquery.form.min.js
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scripts.js
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packery.pkgd.min.js
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shortcodes.js
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imagesloaded.min.js
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global.js
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magnific-popup.js
840 ms
jquery.isotope.min.js
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jquery.gmaps.js
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jquery.countdown.js
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jquery.countdown_init.js
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retina-1.1.0-ff-updt.min.js
940 ms
wp-embed.min.js
939 ms
js_composer_front.js
941 ms
core.min.js
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widget.min.js
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accordion.min.js
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central-heating-logo.png
444 ms
search_top_button.png
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slider-actie.jpg
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transparent.png
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logo.png
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centralheating.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
centralheating.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
centralheating.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Centralheating.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 Centralheating.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.
centralheating.nl
Open Graph description is not detected on the main page of Centralheating. 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: