7.2 sec in total
544 ms
5.9 sec
733 ms
Visit prefa.de now to see the best up-to-date PREFA content for Germany and also check out these interesting facts you probably never knew about prefa.de
PREFA - stark wie ein Stier! Hochwertige und wartungsarme Produkte aus Aluminium für Dach, Solar, Fassade und Hochwasserschutz, mit 40 Jahre Garantie.
Visit prefa.deWe analyzed Prefa.de page load time and found that the first response time was 544 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
prefa.de performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value2.9 s
81/100
25%
Value5.1 s
62/100
10%
Value1,060 ms
25/100
30%
Value0.127
83/100
15%
Value5.8 s
67/100
10%
544 ms
745 ms
230 ms
318 ms
214 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Prefa.de, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Prefa.de.
Page size can be reduced by 361.5 kB (14%)
2.6 MB
2.2 MB
In fact, the total size of Prefa.de main page is 2.6 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. 50% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 155.0 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 110.0 kB, which is 67% 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 155.0 kB or 94% of the original size.
Potential reduce by 206.5 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. PREFA images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 4 (15%)
27
23
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PREFA. 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 as a result speed up the page load time.
prefa.de
544 ms
www.prefa.de
745 ms
merged-9e6def749471fecdb09d90161880a25c.css
230 ms
merged-eafe1024d824fd22095a7bda44b86f72-8af022671ff6066d4bbecc4f34b6741a.js
318 ms
merged-dd88c1fd479e2b18f751db46f82b4d26-c334428eaa3221bf4a997c9cfc2133c2.js
214 ms
merged-c3eec8e50a4337bb881d9143a950506c-47d8ebc548fd2b97216f4b3b20b095e1.js
1316 ms
merged-4c81c7acc703df6ede13be2fab695928-c27d6cb34b919244bbb9c579efb1a9c4.js
998 ms
sprite@2x.png
513 ms
category-shadow.png
111 ms
Dachsysteme.png
110 ms
Fassadensystem.png
1656 ms
Dachentwaesserung.png
219 ms
solar-montagesystem.png
218 ms
hochwasserschutz.png
327 ms
baender_bleche.png
326 ms
site-logo.gif
433 ms
clear.gif
435 ms
PREFA_Kostenloses_Prospekte_bestellen_Teaser.jpg
640 ms
10reasons.png
543 ms
csm_2.Sp_Fotoservice_a9bc250b22.jpg
620 ms
csm_1.Sp_Prospektebestellen_cd3b47f15f.jpg
860 ms
csm_1sp_Handwerkersuche_cf17273d61.jpg
728 ms
DINWebPro-CondBlack.woff
808 ms
DINWebPro-CondMedium.woff
1066 ms
DINWebPro-Cond.woff
1504 ms
ga.js
109 ms
csm_Header_10Gruende_5e8a0e9a6a.png
3121 ms
ajax-loader.gif
411 ms
csm_Gewinnspielteaser_91f9a4c8dc.jpg
1520 ms
csm_PREFA_Tipps_SchneestopperFX12_Header01_d964c71e08.jpg
1013 ms
csm_PREFA_Tipps_SchneestopperFX12_Header02_c4a3394e63.jpg
918 ms
__utm.gif
12 ms
prefa.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.
prefa.de 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
prefa.de 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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prefa.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Prefa.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.
prefa.de
Open Graph data is detected on the main page of PREFA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: