33.1 sec in total
211 ms
32.1 sec
752 ms
Visit velux.de now to see the best up-to-date VELUX content for Germany and also check out these interesting facts you probably never knew about velux.de
VELUX ist der weltweit größte Hersteller von Dachfenstern aller Art ▶ Entdecken Sie unser umfangreiches Sortiment!
Visit velux.deWe analyzed Velux.de page load time and found that the first response time was 211 ms and then it took 32.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
velux.de performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value8.0 s
2/100
25%
Value8.0 s
22/100
10%
Value6,020 ms
0/100
30%
Value0.035
100/100
15%
Value21.3 s
1/100
10%
211 ms
1180 ms
382 ms
215 ms
218 ms
Our browser made a total of 157 requests to load all elements on the main page. We found that 49% of them (77 requests) were addressed to the original Velux.de, 8% (12 requests) were made to Eu-sonar.sociomantic.com and 6% (9 requests) were made to Imagesrv.adition.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Velux.de.
Page size can be reduced by 1.2 MB (30%)
3.9 MB
2.7 MB
In fact, the total size of Velux.de main page is 3.9 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. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 190.3 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 70.6 kB, which is 33% 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 190.3 kB or 88% of the original size.
Potential reduce by 134.4 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. VELUX images are well optimized though.
Potential reduce by 680.1 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 680.1 kB or 71% 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. Velux.de 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 68 (50%)
136
68
The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
velux.de
211 ms
www.velux.de
1180 ms
screen.min.css
382 ms
velux-components.min.css
215 ms
extended.min.css
218 ms
shadowbox.css
19895 ms
common.min.js
496 ms
components.min.js
297 ms
popin.css
249 ms
popin.js
249 ms
popin.js
249 ms
cookies.js
247 ms
conversion.js
33 ms
ai.0.js
187 ms
hotjar-160711.js
206 ms
site-bg.png
158 ms
header-bottom-bg.png
156 ms
velux%20logo.png
157 ms
velux-sprite.png
232 ms
bg_global_menu.png
156 ms
velux-schwingfenster-ggu-illu-300x300.png
536 ms
cvp.png
348 ms
velux-modulares-oberlichtsystem-lichtband-buero-isartal-940x940.jpg
457 ms
velux-modulares-oberlichtsystem-lichtband-einfamilienhaus-940x940.jpg
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velux-tageslichtspot-geneigtesdach-starr-twr-illu-940x940.jpg
311 ms
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509 ms
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484 ms
velux-keyvisual-modernisierung-2016-940x940.jpg
578 ms
velux-fenster-vorher-nachher-940x470.jpg
599 ms
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600 ms
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634 ms
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623 ms
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717 ms
velux-pflege-wartung-dachfenster-scharnier-fetten-940x470.jpg
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velux-cezeichen-300x300.png
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velux-service-kontakt-telefon-frau-940x470.jpg
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941 ms
velux-keyvisual-modernisierung-2016-1280x458.jpg
992 ms
velux-klappschwingfenster-gpu-frau-1280x458.jpg
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velux-lueftungsloesung-keyvisual-1280x458.jpg
1713 ms
velux-solarrollladen-aussenansicht-duo-1280x458.jpg
1167 ms
velux-integra-control-pad-dachfenster-1280x458.jpg
1023 ms
icon-chevron-left-white.png
951 ms
icon-chevron-right-white.png
1022 ms
gtm.js
115 ms
siteanalyze_1908684.js
698 ms
52 ms
velux-fensteraustausch-vorher-nachher_940x470.jpg
1040 ms
90 ms
VeluxGothic-Light.woff
1086 ms
VeluxGothic-Black.woff
970 ms
VeluxGothic-Regular.woff
1051 ms
VeluxGothic-RegItalic.woff
1099 ms
modules-79ac3e471402dedc7fa595a0b4974f10.js
96 ms
analytics.js
27 ms
adv_m77778_17.html
379 ms
51 ms
VeluxGothic-Bold.woff
1061 ms
linkid.js
31 ms
collect
16 ms
collect
14 ms
collect
14 ms
velux-beratung-handwerker-frau-940x470.jpg
1040 ms
velux-rolloshop-300x150.jpg
1006 ms
visit-data
204 ms
velux-videoberatung-460x230.jpg
931 ms
velux-kundendiensttechniker-940x470.jpg
998 ms
velux-pflegeset-online-bestellen-940x470.jpg
989 ms
velux-dachfensterrollo-gruen-duo-wohnzimmer-1280x458.jpg
1165 ms
velux-planung-architekten-zeichnung-tablet-stift-940x470.jpg
1076 ms
icon-chevron-small-right.png
1007 ms
velux%20lager%20karton%20closeup%20940x470.jpg
1035 ms
fbds.js
40 ms
track
15 ms
velux-de
199 ms
tc.min.js
16 ms
ld.js
26 ms
velux%20handwerker%20schraubendreher%20940x470.jpg
1071 ms
track
1 ms
velux%20logo%20geschulter%20betrieb%20vgb%20940x470.png
1068 ms
track
9997 ms
ca.html
24 ms
ca.html
19 ms
event
24 ms
101 ms
velux-klappschwingfenster-gpu-illu-300x300.png
1065 ms
136 ms
icon-chevron-down-red.png
1069 ms
event
298 ms
cvp.png
1099 ms
velux-modularesoberlichtsystem-illu-300x300.png
1104 ms
twr.png
1075 ms
klr200_116038%2001.jpg
1066 ms
blackout-2055.png
1038 ms
velux-lueftungsloesung-balanced-ventilation-geringewindlast-940x940.jpg
1070 ms
120898%2002%20xxl%20electronic%20products%20300x300.jpg
1106 ms
view
158 ms
facebook.png
957 ms
google%20plus.png
981 ms
image.aspx
127 ms
youtube.png
952 ms
cookie-sprite.png
1083 ms
sociomantic
606 ms
UserMatch.ashx
40 ms
sync.cgi
390 ms
rum
131 ms
u.php
121 ms
serve
88 ms
76 ms
pixel
59 ms
usersync
32 ms
Pug
33 ms
78 ms
us.gif
27 ms
info.php
338 ms
tg-03.yieldpartners.com
334 ms
merge
13 ms
pinterest.png
906 ms
match
12 ms
sd
14 ms
tap.php
13 ms
signature%20d%20black.png
941 ms
icon-rotator-nav-red.png
963 ms
match
446 ms
match
120 ms
20 ms
match
224 ms
match
224 ms
match
218 ms
icon-rotator-nav-light.png
902 ms
1x1.gif
107 ms
1x1.gif
191 ms
rum
144 ms
cm.gif
124 ms
1x1.gif
171 ms
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169 ms
mapuser
105 ms
match
119 ms
match
156 ms
match
246 ms
match
127 ms
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145 ms
1x1.gif
102 ms
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88 ms
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111 ms
match
94 ms
dis.aspx
215 ms
23 ms
print.min.css
92 ms
track
154 ms
1x1.gif
190 ms
velux.de 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
Image elements do not have [alt] attributes
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.
velux.de 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
Page has valid source maps
velux.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Velux.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Velux.de 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.
velux.de
Open Graph description is not detected on the main page of 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: