Tools & Wizards About Us
zueblin.de screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

zueblin.de

ZÜBLIN Wir nehmen Bauaufgaben als Ganzes in den Blick.

Page Load Speed

3 sec in total

First Response

322 ms

Resources Loaded

2.4 sec

Page Rendered

198 ms

zueblin.de screenshot

About Website

Click here to check amazing Zueblin content for Germany. Otherwise, check out these important facts you probably never knew about zueblin.de

Wir setzen Maßstäbe! Dieser Anspruch hat uns zur Nummer eins im deutschen Hoch- und Ingenieurbau gemacht. Unseren Kunden bieten wir ein umfassendes Leistungsspektrum für Bauvorhaben jeder Art und Größ...

Visit zueblin.de

Key Findings

We analyzed Zueblin.de page load time and found that the first response time was 322 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

zueblin.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value1.969

0/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

zueblin.de

322 ms

www.zueblin.de

761 ms

OtAutoBlock.js

28 ms

otSDKStub.js

41 ms

e.js

536 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 13% of them (8 requests) were addressed to the original Zueblin.de, 66% (40 requests) were made to Strabag-cdn.net and 3% (2 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (761 ms) belongs to the original domain Zueblin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.2 kB (13%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zueblin.de main page is 1.6 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. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 90.0 kB

  • Original 106.6 kB
  • After minification 99.4 kB
  • After compression 16.7 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 90.0 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 7.2 kB

  • Original 1.2 MB
  • After minification 1.2 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. Zueblin images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 78.0 kB

  • Original 210.4 kB
  • After minification 210.4 kB
  • After compression 132.3 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 78.0 kB or 37% of the original size.

CSS Optimization

-47%

Potential reduce by 36.9 kB

  • Original 79.1 kB
  • After minification 70.6 kB
  • After compression 42.1 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. Zueblin.de needs all CSS files to be minified and compressed as it can save up to 36.9 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (43%)

Requests Now

53

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zueblin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zueblin.de

zueblin.de

322 ms

www.zueblin.de

www.zueblin.de

761 ms

OtAutoBlock.js

OtAutoBlock.js

28 ms

otSDKStub.js

otSDKStub.js

41 ms

e.js

e.js

536 ms

container_KnKuMDcc.js

container_KnKuMDcc.js

685 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

38 ms

jquery-migrate-3.0.1.min.js

jquery-migrate-3.0.1.min.js

50 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

51 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

54 ms

bootstrap.min.css

bootstrap.min.css

521 ms

offcanvas.min.css

offcanvas.min.css

441 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

446 ms

fonts.css

fonts.css

225 ms

all.js

all.js

51 ms

v4-shims.js

v4-shims.js

52 ms

globalCss.css

globalCss.css

454 ms

3_0_css.css

3_0_css.css

453 ms

globalFormVariablen.js

globalFormVariablen.js

451 ms

siteCss.css

siteCss.css

540 ms

siteVariablen_de.js

siteVariablen_de.js

540 ms

font-awesome.css

font-awesome.css

339 ms

globalVariablen.js

globalVariablen.js

545 ms

smoothscroll.js

smoothscroll.js

547 ms

navigationGlobal.js

navigationGlobal.js

547 ms

bootstrap.min.js

bootstrap.min.js

507 ms

offcanvas.js

offcanvas.js

519 ms

html2canvas.js

html2canvas.js

626 ms

swiper.min.js

swiper.min.js

631 ms

t.js

t.js

106 ms

Zueblin_rot.png

Zueblin_rot.png

94 ms

DINWebPro.woff

DINWebPro.woff

227 ms

icondatenschutz.gif

icondatenschutz.gif

95 ms

iconimpressum.gif

iconimpressum.gif

139 ms

iconrecht.gif

iconrecht.gif

151 ms

iconkontakt.gif

iconkontakt.gif

167 ms

mailbox.gif

mailbox.gif

183 ms

matomo.php

matomo.php

257 ms

cnt.php

cnt.php

418 ms

web30

web30

245 ms

web30

web30

122 ms

schluesselfertigbau.jpg

schluesselfertigbau.jpg

189 ms

ingenieurbau.jpg

ingenieurbau.jpg

95 ms

spezialtiefbau.jpg

spezialtiefbau.jpg

188 ms

tunnelbau.jpg

tunnelbau.jpg

188 ms

swiper.css

swiper.css

95 ms

spacer-330x220.gif

spacer-330x220.gif

99 ms

jubilaeumslogo_web_gross.png

jubilaeumslogo_web_gross.png

189 ms

WOP_RGB_einzeilig_mit_Abstand_r12.png

WOP_RGB_einzeilig_mit_Abstand_r12.png

162 ms

Zueblin_teamconcept_1000x520.jpg

Zueblin_teamconcept_1000x520.jpg

242 ms

BE-U_Luftbild-Visualisierung_copyright-DIEfabrik-GmbH-und-Peter-Ruessmann_no-Logo_1000x520px.jpg

BE-U_Luftbild-Visualisierung_copyright-DIEfabrik-GmbH-und-Peter-Ruessmann_no-Logo_1000x520px.jpg

334 ms

Zueblin_LEAN_construction_1000x520.jpg

Zueblin_LEAN_construction_1000x520.jpg

172 ms

Zueblin_TGA_screenshot-4-gespiegelt.jpg

Zueblin_TGA_screenshot-4-gespiegelt.jpg

264 ms

Fore-Site_2021_1000x520.jpg

Fore-Site_2021_1000x520.jpg

331 ms

Zueblin_Domtreppe_1000x520.jpg

Zueblin_Domtreppe_1000x520.jpg

359 ms

Webcam_Saalburgallee_1000x520.jpg

Webcam_Saalburgallee_1000x520.jpg

275 ms

LuftaufnahmeI-06052021_Slider_Startseite_1000x520px.jpg

LuftaufnahmeI-06052021_Slider_Startseite_1000x520px.jpg

425 ms

Zueblin_Berlin_Mizartstr-0354_1000x520px_Slider_Startseite.jpg

Zueblin_Berlin_Mizartstr-0354_1000x520px_Slider_Startseite.jpg

457 ms

DINWebPro-Medium.woff

DINWebPro-Medium.woff

225 ms

sliderpfeilrechts.gif

sliderpfeilrechts.gif

290 ms

sliderpfeillinks.gif

sliderpfeillinks.gif

348 ms

Accessibility Review

zueblin.de accessibility score

88

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

zueblin.de 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

High

Page has valid source maps

SEO Factors

zueblin.de SEO score

89

Search Engine Optimization Advices

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 Zueblin.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 Zueblin.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.

Social Sharing Optimization

zueblin.de

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