8 sec in total
599 ms
7.3 sec
128 ms
Click here to check amazing PREFA content for Slovakia. Otherwise, check out these important facts you probably never knew about prefa.com
PREFA - The roof, as strong as a bull! High quality aluminium products for roof, facade and flood protection, 40-year material & colour guarantee.
Visit prefa.comWe analyzed Prefa.com page load time and found that the first response time was 599 ms and then it took 7.4 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.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value4.6 s
35/100
25%
Value3.4 s
89/100
10%
Value270 ms
82/100
30%
Value0.267
46/100
15%
Value4.3 s
84/100
10%
599 ms
1079 ms
207 ms
302 ms
1033 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Prefa.com, 96% (67 requests) were made to Uk.prefa.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Uk.prefa.com.
Page size can be reduced by 569.3 kB (46%)
1.2 MB
664.8 kB
In fact, the total size of Prefa.com main page is 1.2 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. 40% of websites need less resources to load. Images take 525.8 kB which makes up the majority of the site volume.
Potential reduce by 64.9 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 64.9 kB or 77% of the original size.
Potential reduce by 11.8 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 379.2 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 379.2 kB or 78% of the original size.
Potential reduce by 113.4 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. Prefa.com needs all CSS files to be minified and compressed as it can save up to 113.4 kB or 81% of the original size.
Number of requests can be reduced by 42 (63%)
67
25
The browser has sent 67 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 11 to 1 for JavaScripts and as a result speed up the page load time.
prefa.com
599 ms
uk.prefa.com
1079 ms
head-5f8db442967b8091b49fa764f1db8777.merged.css
207 ms
head-5b52f200c04178652aa170f4ae9cc972.merged.css
302 ms
jquery-1.9.1.js
1033 ms
jquery-migrate-1.2.1.js
209 ms
jquery-ui-1.10.3.custom.min.js
312 ms
mobileSwitch.js
313 ms
jquery.libs.js
314 ms
functions.js
315 ms
javascript_a708894199.js
406 ms
jquery.fancybox-2.1.5.pack.js
415 ms
jquery.metadata.min.js
413 ms
jquery.maphilight.js
418 ms
logo_ENG.png
110 ms
suche.gif
107 ms
icon-sprites.png
107 ms
Icon_Dachsysteme_65d29f5cf4_b02e8f3f42.png
111 ms
Icon_Fassadensysteme_302b4d3890_3e91201180.png
112 ms
Icon_Dachrinnensysteme_9dbe791a59_27e72e8bf6.png
108 ms
Icon_Energie_3537d6f8c1_8287c7cbd9.png
1208 ms
Icon_Hochwasserschutz_5d3abf69b1_83b43f5c32.png
212 ms
ul_li.gif
210 ms
prefa_dachsysteme_d5a73e2c83_e85dfbf96e.jpg
626 ms
plus.png
213 ms
midcol-link.png
214 ms
prefa_fassadensysteme_699e6ec150_25ac73096d.jpg
732 ms
prefa_photovoltaik_ps13_578ca35b69_434d79f153.jpg
984 ms
Infomaterial_neu_0f65db4ea5_9f693cfe83.jpg
950 ms
prefa_referenzen_867011f566_31f47d8a55.jpg
949 ms
teaser_vorher_nachher_en_edfc4240df_9ac8a89e74.jpg
1392 ms
PREFA_Prefalz_Corvara_261edffe4f.jpg
1271 ms
PREFA_Ingolstadt_web_01_483750f97f.jpg
1055 ms
PREFA_Dachprofi_82371c8bce_d6cbb2f817.png
1575 ms
PREFA_Fotoservice_ba58b2a187_0bf982e5bd.png
1712 ms
footer_print.gif
1161 ms
footer_contact.gif
2266 ms
footer_impressum.gif
1310 ms
footer_sitemap.gif
1376 ms
gb.png
1415 ms
lang_countries.jpg
1482 ms
gb_01.png
1496 ms
nl.png
1520 ms
at.png
1586 ms
dk.png
2600 ms
de.png
1625 ms
ee.png
1679 ms
ch.png
1691 ms
lv.png
1729 ms
it.png
1784 ms
ga.js
42 ms
__utm.gif
13 ms
dinpro-condblack-webfont.woff
2115 ms
ru.png
1714 ms
cz.png
1730 ms
be.png
2781 ms
hu.png
1815 ms
fr.png
2832 ms
pl.png
1820 ms
lu.png
1926 ms
sk.png
2029 ms
no.png
2113 ms
si.png
1723 ms
se.png
1640 ms
hr.png
2482 ms
Europe.gif
1504 ms
ant_black.gif
1494 ms
ant_info.gif
1503 ms
background-active-arrow.png
1422 ms
head-388927de2fa462982a8d6051599cff03.merged.css
109 ms
prefa.com accessibility score
prefa.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
prefa.com 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prefa.com 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 Prefa.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.
prefa.com
Open Graph description is not detected on the main page of PREFA. 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: