Tools & Wizards About Us
prefa.at screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

prefa.at

PREFA Österreich | PREFA

Page Load Speed

5 sec in total

First Response

298 ms

Resources Loaded

2.7 sec

Page Rendered

2 sec

prefa.at screenshot

About Website

Visit prefa.at now to see the best up-to-date PREFA content for Austria and also check out these interesting facts you probably never knew about prefa.at

PREFA - stark wie ein Stier! Hochwertige Produkte aus Aluminium für Dach, Fassade, Solar und Hochwasserschutz, inklusive 40 Jahre Garantie.

Visit prefa.at

Key Findings

We analyzed Prefa.at page load time and found that the first response time was 298 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

prefa.at performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

prefa.at

298 ms

prefa.at

364 ms

www.prefa.at

716 ms

styles.abf872c9.css

269 ms

runtime.afcf1f81.js

281 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that all of those requests were addressed to Prefa.at and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Prefa.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 362.5 kB (3%)

Content Size

13.1 MB

After Optimization

12.7 MB

  • HTML
  • Images

In fact, the total size of Prefa.at main page is 13.1 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. 45% of websites need less resources to load. Images take 12.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 356.9 kB

  • Original 393.8 kB
  • After minification 276.9 kB
  • After compression 37.0 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 116.9 kB, which is 30% 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 356.9 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 5.6 kB

  • Original 12.7 MB
  • After minification 12.7 MB

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.

Requests Breakdown

Number of requests can be reduced by 4 (12%)

Requests Now

33

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 33 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.

Network Requests Diagram

prefa.at

prefa.at

298 ms

prefa.at

prefa.at

364 ms

www.prefa.at

www.prefa.at

716 ms

styles.abf872c9.css

styles.abf872c9.css

269 ms

runtime.afcf1f81.js

runtime.afcf1f81.js

281 ms

styles.e0d2c481.js

styles.e0d2c481.js

282 ms

vendor.25c2b2ff.js

vendor.25c2b2ff.js

481 ms

main.e60425ad.js

main.e60425ad.js

437 ms

cookieOptin.css

cookieOptin.css

282 ms

cookieOptin.js

cookieOptin.js

274 ms

csm_PREFA-Kirchbach-Ladstaetter-Faltheiner-Dachplatte-R16-anthrazit-Buerogebaude-01_31be4285c6.jpg

csm_PREFA-Kirchbach-Ladstaetter-Faltheiner-Dachplatte-R16-anthrazit-Buerogebaude-01_31be4285c6.jpg

532 ms

csm_PREFA-Vorteile-gute-Gruende-kl_ac15b7cee0.jpg

csm_PREFA-Vorteile-gute-Gruende-kl_ac15b7cee0.jpg

540 ms

csm_PREFA-Standort-Marktl-Lilienfeld-Waelder_e60f30df7e.jpg

csm_PREFA-Standort-Marktl-Lilienfeld-Waelder_e60f30df7e.jpg

728 ms

csm_PREFA-Mitarbeiter-Zentrale-Marktl-Kontakt_44e25def67.jpg

csm_PREFA-Mitarbeiter-Zentrale-Marktl-Kontakt_44e25def67.jpg

542 ms

csm_PREFA-Sembrancher-Rausis-et-Cinquanta-Dachplatte-R16-steingrau-Chalet-Fabrice_f358396f6b.jpg

csm_PREFA-Sembrancher-Rausis-et-Cinquanta-Dachplatte-R16-steingrau-Chalet-Fabrice_f358396f6b.jpg

358 ms

csm_PREFA-SdingX-Produktzugang_0e3c79923c.jpg

csm_PREFA-SdingX-Produktzugang_0e3c79923c.jpg

344 ms

csm_Keine-Dachdurchdringung_-keine-Leitungskanaele_cd42bf8d29.png

csm_Keine-Dachdurchdringung_-keine-Leitungskanaele_cd42bf8d29.png

792 ms

csm_PREFA_Dachentaesserung-braun_9c6ad1b8dd.jpg

csm_PREFA_Dachentaesserung-braun_9c6ad1b8dd.jpg

537 ms

csm_PREFA-Hochwasserschutz_5e4b69c962.jpg

csm_PREFA-Hochwasserschutz_5e4b69c962.jpg

620 ms

csm_PREFA_Baender-und-Bleche_1aa5e0a534.jpg

csm_PREFA_Baender-und-Bleche_1aa5e0a534.jpg

627 ms

csm_PREFA-Komplettsystem-SDP-und-Aufdach_356c2cd30e.png

csm_PREFA-Komplettsystem-SDP-und-Aufdach_356c2cd30e.png

732 ms

csm_PREFA-Dach-Fassade-Vorteil-40-Jahre-Garantie_cdb7d523af.png

csm_PREFA-Dach-Fassade-Vorteil-40-Jahre-Garantie_cdb7d523af.png

632 ms

csm_PREFA-Dach-Fassade-Vorteil-sturmsicher_a8fff3b43c.png

csm_PREFA-Dach-Fassade-Vorteil-sturmsicher_a8fff3b43c.png

709 ms

csm_Die-Kraft-der-Sonne-nuetzen_grau_2f5b91704c.png

csm_Die-Kraft-der-Sonne-nuetzen_grau_2f5b91704c.png

717 ms

csm_PREFA-Dach-Fassade-Vorteil-komplettsystem_0dad7a211a.png

csm_PREFA-Dach-Fassade-Vorteil-komplettsystem_0dad7a211a.png

722 ms

csm_PREFA-Referenzen-Inspiration-Galerie-Bad-Muenstereifel_dc63873b16.jpg

csm_PREFA-Referenzen-Inspiration-Galerie-Bad-Muenstereifel_dc63873b16.jpg

799 ms

csm_Konfigurator-Haus-Farben-Produkte-Gestaltung_005e7da8f7.jpg

csm_Konfigurator-Haus-Farben-Produkte-Gestaltung_005e7da8f7.jpg

896 ms

csm_PREFA-Prospekte-bestellen-Infomaterial-Komplettsystem_b33726c051.jpg

csm_PREFA-Prospekte-bestellen-Infomaterial-Komplettsystem_b33726c051.jpg

816 ms

csm_PREFA-Angebot-einholen-Baubesprechung-Baustelle_fc5b903ea3.jpg

csm_PREFA-Angebot-einholen-Baubesprechung-Baustelle_fc5b903ea3.jpg

908 ms

csm_PREFA-Fotoservice-Fotomontage-kostenlos_1161f1c3c5.jpg

csm_PREFA-Fotoservice-Fotomontage-kostenlos_1161f1c3c5.jpg

823 ms

csm_PREFA-Startseite-ZG-Bauherren-web_c9f4b1c754.jpg

csm_PREFA-Startseite-ZG-Bauherren-web_c9f4b1c754.jpg

1059 ms

csm_PREFA-Startseite-ZG-Verarbeiter-web_a5871f779d.jpg

csm_PREFA-Startseite-ZG-Verarbeiter-web_a5871f779d.jpg

887 ms

csm_PREFA-Architekt-Engin-Demirci-Sion_4144e19f4c.jpg

csm_PREFA-Architekt-Engin-Demirci-Sion_4144e19f4c.jpg

907 ms

csm_Jury-PREFARENZEN-Dialog-2025-Bildauswertung-Architektur-Objekte_5da5afd34a.jpg

csm_Jury-PREFARENZEN-Dialog-2025-Bildauswertung-Architektur-Objekte_5da5afd34a.jpg

923 ms

csm_PREFA-Prefalz-Dach-Prefaweiss-Slavonski-HR-06_fc453eb334.jpg

csm_PREFA-Prefalz-Dach-Prefaweiss-Slavonski-HR-06_fc453eb334.jpg

1065 ms

csm_PREFA-Hochwasserschutz-EFH-Schwaz-02_51b4ff2326.jpg

csm_PREFA-Hochwasserschutz-EFH-Schwaz-02_51b4ff2326.jpg

1080 ms

font.ccdd72d0.woff

font.ccdd72d0.woff

953 ms

font.754a2f4a.woff

font.754a2f4a.woff

1064 ms

roboto-regular.ae804dc0.woff

roboto-regular.ae804dc0.woff

974 ms

roboto-bold.8aba6dc5.woff

roboto-bold.8aba6dc5.woff

1044 ms

Accessibility Review

prefa.at accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

prefa.at best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

prefa.at SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prefa.at 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.at 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.

Social Sharing Optimization

prefa.at

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: