5.7 sec in total
294 ms
5.1 sec
366 ms
Click here to check amazing Zehnder content for United Kingdom. Otherwise, check out these important facts you probably never knew about zehnder.co.uk
Visit zehnder.co.ukWe analyzed Zehnder.co.uk page load time and found that the first response time was 294 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zehnder.co.uk performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value10.7 s
0/100
25%
Value4.9 s
65/100
10%
Value1,730 ms
10/100
30%
Value0
100/100
15%
Value10.3 s
24/100
10%
294 ms
1295 ms
209 ms
216 ms
216 ms
Our browser made a total of 124 requests to load all elements on the main page. We found that 94% of them (116 requests) were addressed to the original Zehnder.co.uk, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zehnder.co.uk.
Page size can be reduced by 691.9 kB (37%)
1.9 MB
1.2 MB
In fact, the total size of Zehnder.co.uk main page is 1.9 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 190.9 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. 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 190.9 kB or 87% of the original size.
Potential reduce by 102.2 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. Zehnder images are well optimized though.
Potential reduce by 184.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 184.9 kB or 74% of the original size.
Potential reduce by 213.8 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. Zehnder.co.uk needs all CSS files to be minified and compressed as it can save up to 213.8 kB or 85% of the original size.
Number of requests can be reduced by 43 (58%)
74
31
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zehnder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.
zehnder.co.uk
294 ms
www.zehnder.co.uk
1295 ms
pace.min.js
209 ms
system.base.css
216 ms
jquery.ui.core.css
216 ms
jquery.ui.theme.css
309 ms
jquery.ui.button.css
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jquery.ui.resizable.css
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jquery.ui.dialog.css
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date.css
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datepicker.1.7.css
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field.css
399 ms
views.css
411 ms
ckeditor.css
417 ms
ctools.css
420 ms
Selectyze.jquery.css
424 ms
myzehnder.css
521 ms
grid.css
507 ms
bootstrap-select.min.css
518 ms
animate.css
806 ms
md-slider.css
618 ms
md-slider-style.css
626 ms
eqx_feature_curvy.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
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eqx_feature_list.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
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link.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
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eqx_feature_picture.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
726 ms
mm-base.css
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style.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
1122 ms
zehnder_desktop.XcVzbo5GbrB4v7QVES377fts6uudS0o0YbaMpBamvPg.css
1017 ms
block-6.css
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block-11.css
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jquery.js
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jquery.once.js
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drupal.js
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jquery.ui.core.js
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jquery.ui.widget.js
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jquery.effects.core.js
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jquery.effects.transfer.js
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jquery.ui.button.js
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jquery.ui.mouse.js
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jquery.ui.draggable.js
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jquery.ui.position.js
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jquery.ui.resizable.js
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jquery.ui.dialog.js
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jquery.ui.dialog.patch.js
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custom_search.js
756 ms
jquery.easing.js
822 ms
Selectyze.jquery.min.js
820 ms
jquery.slimscroll.min.js
822 ms
jquery.cookie.js
850 ms
myzehnder.js
751 ms
md.menu.js
821 ms
selectnav.min.js
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bootstrap-select.min.js
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jquery.touchwipe.js
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mdvideobox.js
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modernizr.js
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jquery.easing.js
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md-slider.js
851 ms
jquery.slickwrap.min.js
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eqx_feature_curvy.js
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eqx_feature_picture.js
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jquery.elevateZoom-3.0.8.min.js
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hashtag.js
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page_editor_sticky.js
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bootstrap.min.js
852 ms
jquery.unveil.js
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zehnder.js
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raphael-min.js
935 ms
desktop-raphael-logo.js
756 ms
desktop-jquery.sticky.js
800 ms
gtm.js
60 ms
zehnder_desktop.js
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bootstrap.js
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block-14.js
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analytics.js
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56145.js
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hotjar-123073.js
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block-17.js
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collect
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collect
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block-19.js
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fbe7315f-4680-4300-b5ca-8baa628b47ca.woff
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zehnder.woff
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waves.png
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modules-043c1e6abe660c48857202e419ff9d8a.js
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md1-data-img-2.jpg
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md2-data-img.jpg
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md3-data-img.jpg
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Zehnder-Kompetenzen-Heizen-c_0.jpg
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Zehnder-Kompetenzen-Kuehlung-c.jpg
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Zehnder-Kompetenzen-frische-luft.jpg
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residential-modern.png
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business-modern.png
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Zehnder-History-Flyout2.jpg
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Zehnder-testimonials-Flyout.jpg
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md_slider_def_bg.jpg
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btnarrow.png
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Zehnder-design-radiators.jpg
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Zehnder-comfortable-indoor-ventilation.jpg
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Stage-Mood-RHC-Kunsteisbahn_1268x950%252520px_0.jpg
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Zehnder-Clean-Air-Solution-Stage_0.jpg
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residential-modern_large.png
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business-modern_large.png
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Ax%20Spa-under%20window%20room%20set%20volcanic-3_0.jpg
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Afbeelding%20BIM_L_0.jpg
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ComfoCool__0.jpg
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ielogo.png
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zehnder-logo_footer.svg
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youtube.svg
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twitter.svg
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facebook.svg
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ui-bg_flat_75_ffffff_40x100.png
1484 ms
visit-data
213 ms
zehnder.co.uk accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
zehnder.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zehnder.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zehnder.co.uk 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.
zehnder.co.uk
Open Graph description is not detected on the main page of Zehnder. 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: