6 sec in total
325 ms
5.4 sec
347 ms
Click here to check amazing Professional VELUX content for United Kingdom. Otherwise, check out these important facts you probably never knew about professional.velux.co.uk
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Visit professional.velux.co.ukWe analyzed Professional.velux.co.uk page load time and found that the first response time was 325 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
professional.velux.co.uk performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.5 s
4/100
25%
Value18.8 s
0/100
10%
Value39,340 ms
0/100
30%
Value0.903
3/100
15%
Value52.6 s
0/100
10%
325 ms
388 ms
1004 ms
346 ms
197 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Professional.velux.co.uk, 65% (48 requests) were made to Velux.co.uk and 5% (4 requests) were made to Popin.survey-xact.dk. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Vcacontent.velux.com.
Page size can be reduced by 936.2 kB (35%)
2.7 MB
1.8 MB
In fact, the total size of Professional.velux.co.uk main page is 2.7 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. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 127.7 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 47.4 kB, which is 32% 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 127.7 kB or 87% of the original size.
Potential reduce by 108.3 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. Professional VELUX images are well optimized though.
Potential reduce by 551.3 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 551.3 kB or 69% of the original size.
Potential reduce by 148.9 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. Professional.velux.co.uk needs all CSS files to be minified and compressed as it can save up to 148.9 kB or 86% of the original size.
Number of requests can be reduced by 28 (42%)
66
38
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Professional VELUX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
professional.velux.co.uk
325 ms
www.professional.velux.co.uk
388 ms
1004 ms
screen.min.css
346 ms
velux-components.min.css
197 ms
extended.min.css
180 ms
shadowbox.css
212 ms
common.min.js
442 ms
components.min.js
272 ms
popin.css
244 ms
popin.js
244 ms
popin.js
242 ms
cookies.js
243 ms
conversion.js
17 ms
ai.0.js
113 ms
fbevents.js
111 ms
hotjar-153397.js
111 ms
site-bg.png
150 ms
header-bottom-bg.png
150 ms
velux%20logo.png
231 ms
velux-sprite.png
288 ms
bg_global_menu.png
148 ms
top_operated_115322%2001_940x170.gif
326 ms
blinds_119266_610x170.png
590 ms
flat_roof_windows_610x170.png
402 ms
sun_tunnel_122595_610x170.jpg
420 ms
vms_domestic_900x900.jpg
438 ms
vms_comm300x300.jpg
434 ms
110931%2002%20xs%20maintenance%20kits%20300x300.jpg
428 ms
servicevisit.png
681 ms
architects_menu%20image115003%2001%20xl_610x170.gif
706 ms
installer_610x170_124841%2001%20xxl.gif
632 ms
dealers%20menu%20image%2025580%2001%20xxl_610x170.gif
650 ms
web-pre-register-banner.jpg
711 ms
exterior_roof_window_118369%2001_hero_1280x458.jpg
968 ms
installer%201280x458_124841%2001%20xxl.gif
1098 ms
architects%20128x458_124460%2001%20xxl.gif
1030 ms
icon-chevron-left-white.png
769 ms
icon-chevron-right-white.png
799 ms
ggu_111846%2002%20xxl%20operation%20940x470.jpg
954 ms
service%20_maintenance_102488%2002_940x470.jpg
953 ms
size_chart_roof_windows_117274_940x470.jpg
1019 ms
126294%2001%20hero2.png
1275 ms
icon-chevron-small-right.png
991 ms
facebook.png
1022 ms
twitter.png
1100 ms
youtube.png
1109 ms
google%20plus.png
1110 ms
pinterest.png
1123 ms
email.png
1177 ms
payoff%20en.png
1213 ms
gtm.js
79 ms
siteanalyze_1908684.js
736 ms
VeluxGothic-Light.woff
1166 ms
VeluxGothic-Bold.woff
1152 ms
150 ms
273 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
146 ms
VeluxGothic-Regular.woff
1111 ms
icon-rotator-nav-red.png
1069 ms
131 ms
analytics.js
59 ms
icon-rotator-nav-light.png
1033 ms
icon-chevron-small-right-white.png
1045 ms
b7fc8c4911a9.js
44 ms
linkid.js
16 ms
collect
12 ms
collect
15 ms
visit-data
210 ms
image.aspx
124 ms
cookie-sprite.png
568 ms
print.min.css
96 ms
button_waving_01_resize.gif
1723 ms
track
147 ms
professional.velux.co.uk accessibility score
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
professional.velux.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
professional.velux.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
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 Professional.velux.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 Professional.velux.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.
professional.velux.co.uk
Open Graph description is not detected on the main page of Professional VELUX. 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: