Tools & Wizards About Us
zuber-gmbh.com screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zuber-gmbh.com

ZUBER GmbH - Kunststoffhersteller Kunststoff Behälterbau Rohrleitungssysteme Lüftungsanlagenbau Abluftanlagen Lüftungsformteile Absperrklappen Anlagen...

Page Load Speed

2.9 sec in total

First Response

354 ms

Resources Loaded

2.5 sec

Page Rendered

127 ms

zuber-gmbh.com screenshot

About Website

Visit zuber-gmbh.com now to see the best up-to-date ZUBER GmbH content for Germany and also check out these interesting facts you probably never knew about zuber-gmbh.com

Der Kunststoffhersteller Zuber GmbH ist Spezialist für Thermoplastische-Kunststoffe / Kunststoff Behälter Anlagenbau Anlagenbauer Behälterbau Montage Apparatebau Rohrleitungssysteme Lüftungsmontage Lü...

Visit zuber-gmbh.com

Key Findings

We analyzed Zuber-gmbh.com page load time and found that the first response time was 354 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zuber-gmbh.com performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

zuber-gmbh.com

354 ms

zuber-gmbh.com

647 ms

styleinv.css

113 ms

openwindow.js

224 ms

jquery-1.11.3.min.js

451 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that all of those requests were addressed to Zuber-gmbh.com and no external sources were called. The less responsive or slowest element that took the longest time to load (789 ms) belongs to the original domain Zuber-gmbh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.0 kB (6%)

Content Size

879.6 kB

After Optimization

826.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zuber-gmbh.com main page is 879.6 kB. 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 718.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 34.3 kB

  • Original 41.6 kB
  • After minification 34.2 kB
  • After compression 7.3 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 7.4 kB, which is 18% 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 34.3 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 3.5 kB

  • Original 718.3 kB
  • After minification 714.8 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. ZUBER GmbH images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 9.4 kB

  • Original 75.9 kB
  • After minification 75.9 kB
  • After compression 66.5 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 9.4 kB or 12% of the original size.

CSS Optimization

-13%

Potential reduce by 5.7 kB

  • Original 43.8 kB
  • After minification 43.8 kB
  • After compression 38.0 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. Zuber-gmbh.com needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (54%)

Requests Now

48

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZUBER GmbH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zuber-gmbh.com

zuber-gmbh.com

354 ms

zuber-gmbh.com

zuber-gmbh.com

647 ms

styleinv.css

styleinv.css

113 ms

openwindow.js

openwindow.js

224 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

451 ms

helper.js

helper.js

337 ms

bootstrap.css

bootstrap.css

461 ms

def.css

def.css

337 ms

bootstrap-datetimepicker.css

bootstrap-datetimepicker.css

336 ms

bootstrap-datetimepicker.js

bootstrap-datetimepicker.js

338 ms

bootstrap-datetimepicker.de.js

bootstrap-datetimepicker.de.js

448 ms

font-awesome.min.css

font-awesome.min.css

449 ms

scrolltop.js

scrolltop.js

448 ms

bookmark_bubble.js

bookmark_bubble.js

471 ms

page.js

page.js

559 ms

animate.css

animate.css

560 ms

wow.min.js

wow.min.js

562 ms

swipebox.css

swipebox.css

563 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

564 ms

dotdotdot.js

dotdotdot.js

565 ms

column.css

column.css

672 ms

bootstrap-touch-carousel.css

bootstrap-touch-carousel.css

672 ms

style.css

style.css

674 ms

column.css

column.css

673 ms

navbar.css

navbar.css

675 ms

custom.css

custom.css

676 ms

bootstrap.min.js

bootstrap.min.js

782 ms

doubletaptogo.min.js

doubletaptogo.min.js

782 ms

jquery.easing.min.js

jquery.easing.min.js

787 ms

scrolling-nav.js

scrolling-nav.js

789 ms

logo-zuber-gmbh-roethenbach-allgaeu.png

logo-zuber-gmbh-roethenbach-allgaeu.png

222 ms

ger.gif

ger.gif

229 ms

en.gif

en.gif

329 ms

logo_insta.png

logo_insta.png

330 ms

facebook.png

facebook.png

330 ms

slider-startseite01.jpg

slider-startseite01.jpg

552 ms

schalldaempfer.jpg

schalldaempfer.jpg

552 ms

cnc-bearbeitung-kunststoff.jpg

cnc-bearbeitung-kunststoff.jpg

553 ms

abluftanlagen-aus-kunststoff.jpg

abluftanlagen-aus-kunststoff.jpg

663 ms

ablufwaescher-abluftreinigung-kunststoff.jpg

ablufwaescher-abluftreinigung-kunststoff.jpg

663 ms

wartung-und-instandhaltung.jpg

wartung-und-instandhaltung.jpg

552 ms

jalousieklappen-absperrklappen.jpg

jalousieklappen-absperrklappen.jpg

667 ms

volumenstromregler3.jpg

volumenstromregler3.jpg

667 ms

behaelterbau.jpg

behaelterbau.jpg

667 ms

sonderanfertigungen-apparate.jpg

sonderanfertigungen-apparate.jpg

666 ms

innerlink.png

innerlink.png

775 ms

zuber-werke.png

zuber-werke.png

775 ms

background.jpg

background.jpg

661 ms

bg-slider.png

bg-slider.png

661 ms

bg-window.gif

bg-window.gif

660 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

628 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

735 ms

Accessibility Review

zuber-gmbh.com accessibility score

68

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

zuber-gmbh.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zuber-gmbh.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

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 Zuber-gmbh.com 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 Zuber-gmbh.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.

Social Sharing Optimization

zuber-gmbh.com

Open Graph description is not detected on the main page of ZUBER GmbH. 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: