3.1 sec in total
274 ms
2.6 sec
256 ms
Visit passivent.com now to see the best up-to-date Passivent content and also check out these interesting facts you probably never knew about passivent.com
Passivent are specialists in delivering natural ventilation and daylighting solutions and are a leading UK company in the field of sustainable and energy efficient ventilation for commercial buildings...
Visit passivent.comWe analyzed Passivent.com page load time and found that the first response time was 274 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.
passivent.com performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value4.6 s
34/100
25%
Value8.4 s
18/100
10%
Value530 ms
56/100
30%
Value0.078
95/100
15%
Value7.7 s
46/100
10%
274 ms
442 ms
37 ms
301 ms
160 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Passivent.com, 8% (3 requests) were made to Nw-rail-03.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Passivent.com.
Page size can be reduced by 661.4 kB (36%)
1.8 MB
1.2 MB
In fact, the total size of Passivent.com main page is 1.8 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. 15% of websites need less resources to load. Images take 976.1 kB which makes up the majority of the site volume.
Potential reduce by 19.8 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 4.7 kB, which is 19% 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 19.8 kB or 79% of the original size.
Potential reduce by 57.7 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. Passivent images are well optimized though.
Potential reduce by 507.5 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 507.5 kB or 70% of the original size.
Potential reduce by 76.4 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. Passivent.com needs all CSS files to be minified and compressed as it can save up to 76.4 kB or 81% of the original size.
Number of requests can be reduced by 19 (51%)
37
18
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Passivent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
passivent.com
274 ms
www.passivent.com
442 ms
50703.js
37 ms
jquery-ui-1.10.3.custom.min.css
301 ms
jquery.bxslider.css
160 ms
magnific-popup.css
156 ms
font-awesome.min.css
306 ms
main_style.css
316 ms
api.js
42 ms
respond.min.js
222 ms
trk_anchors.js
4 ms
Capture.aspx
9 ms
jquery-1.10.1.min.js
616 ms
easySlider1.7.js
281 ms
jquery.validate.min.js
374 ms
jquery.flexslider-min.js
529 ms
jquery-ui-1.10.3.custom.min.js
998 ms
jquery.raty.js
475 ms
jquery.elevateZoom-3.0.8.min.js
553 ms
jquery.magnific-popup.min.js
597 ms
jquery.bxslider.min.js
704 ms
main.js
682 ms
recaptcha__en.js
30 ms
logo-bpd-eyebrow.png
439 ms
logo-passivent-masthead.png
480 ms
menu_button.png
497 ms
lightgreen-nav-shape.png
562 ms
8874ae858410b72fcfde8500146efde1.jpg
812 ms
94d5875a5f64c27ab84ba44d1e1b352d.jpg
1614 ms
360cb2503de589342f43087a677a2d6c.jpg
876 ms
62fc6265675ba0596e329ef01860b9ab.jpg
1137 ms
logo-protect-footer.png
714 ms
logo-glidevale-footer.png
866 ms
logo-passivent-footer.png
877 ms
logo-kingfisher-footer.png
907 ms
analytics.js
52 ms
bx_loader.gif
241 ms
news_controls.png
233 ms
collect
14 ms
passivent.com 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.
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
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
passivent.com 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
passivent.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Passivent.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Passivent.com 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.
passivent.com
Open Graph description is not detected on the main page of Passivent. 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: