1.6 sec in total
250 ms
1.1 sec
197 ms
Welcome to vent.co.uk homepage info - get ready to check Vent best content right away, or after learning these important things about vent.co.uk
About Vent Engineering We design, build and install smoke ventilation systems We are specialists in natural and smoke ventilation systems and have been manufacturing, supplying, installing and commiss...
Visit vent.co.ukWe analyzed Vent.co.uk page load time and found that the first response time was 250 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
vent.co.uk performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value15.8 s
0/100
25%
Value22.4 s
0/100
10%
Value7,150 ms
0/100
30%
Value0.025
100/100
15%
Value22.3 s
1/100
10%
250 ms
289 ms
24 ms
102 ms
43 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 67% of them (20 requests) were addressed to the original Vent.co.uk, 20% (6 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (289 ms) belongs to the original domain Vent.co.uk.
Page size can be reduced by 114.4 kB (35%)
325.4 kB
211.0 kB
In fact, the total size of Vent.co.uk main page is 325.4 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. 30% of websites need less resources to load. Images take 178.7 kB which makes up the majority of the site volume.
Potential reduce by 20.5 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 20.5 kB or 81% of the original size.
Potential reduce by 12.6 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. Vent images are well optimized though.
Potential reduce by 55.4 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 55.4 kB or 61% of the original size.
Potential reduce by 25.9 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. Vent.co.uk needs all CSS files to be minified and compressed as it can save up to 25.9 kB or 85% of the original size.
Number of requests can be reduced by 5 (23%)
22
17
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
vent.co.uk
250 ms
www.vent.co.uk
289 ms
css
24 ms
main.css
102 ms
jquery.min.js
43 ms
jquery.carouFredSel-6.0.4-packed.js
247 ms
carousel.js
153 ms
gallery-carousel.js
181 ms
toggle.js
175 ms
vent-group-logo.png
185 ms
header-logos.gif
95 ms
36-red-arrow.png
106 ms
footer-logos.jpg
164 ms
vent-logo-229x69.png
107 ms
analytics.js
75 ms
32-envelope-white.png
92 ms
228-smoke-ventilation.jpg
117 ms
228-natural-ventilation.jpg
217 ms
228-mechanical-ventilation.jpg
163 ms
228-fire-alarms.jpg
165 ms
cat-maintenance.jpg
170 ms
cat-installation.jpg
192 ms
cat-casestudies.jpg
279 ms
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14 ms
Zd2E9abXLFGSr9G3YK2MsDR-eWpsHSw83BRsAQElGgc.ttf
13 ms
b9QBgL0iMZfDSpmcXcE8nDokq8qT6AIiNJ07Vf_NrVA.ttf
14 ms
mg0cGfGRUERshzBlvqxeAMgYS_4b_j8XZWrBSrn8QbY.ttf
15 ms
BP5K8ZAJv9qEbmuFp8RpJdNyc1nIn01s4QPT2l20KA4.ttf
14 ms
mg0cGfGRUERshzBlvqxeAIvse0WFWMXD6DWBLcV41iQ.ttf
14 ms
collect
16 ms
vent.co.uk 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
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.
vent.co.uk 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
Missing source maps for large first-party JavaScript
vent.co.uk SEO score
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vent.co.uk 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 Vent.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
vent.co.uk
Open Graph description is not detected on the main page of Vent. 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: