Tools & Wizards About Us
zeppelin-nt.de screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zeppelin-nt.de

Exklusive Rundflüge: Unvergessliche Sightseeing-Flüge mit dem Zeppelin

Page Load Speed

3.4 sec in total

First Response

121 ms

Resources Loaded

2.5 sec

Page Rendered

848 ms

zeppelin-nt.de screenshot

About Website

Welcome to zeppelin-nt.de homepage info - get ready to check Zeppelin Nt best content for Germany right away, or after learning these important things about zeppelin-nt.de

Die schönste Art zu fliegen - gleiten Sie mit dem Zeppelin NT über den Bodensee, München, Frankfurt, das Ruhrgebiet oder das Rheinland.

Visit zeppelin-nt.de

Key Findings

We analyzed Zeppelin-nt.de page load time and found that the first response time was 121 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zeppelin-nt.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

zeppelin-nt.de

121 ms

zeppelin-nt.de

311 ms

zeppelinflug.de

500 ms

143 ms

compress-75c617e2e4-d330b6a7fb79c54654f8d54ae6971ea1.css

99 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Zeppelin-nt.de, 95% (41 requests) were made to Zeppelinflug.de. The less responsive or slowest element that took the longest time to load (761 ms) relates to the external source Zeppelinflug.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.3 kB (2%)

Content Size

3.8 MB

After Optimization

3.7 MB

  • HTML
  • Images

In fact, the total size of Zeppelin-nt.de main page is 3.8 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. 60% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 75.0 kB

  • Original 88.3 kB
  • After minification 75.8 kB
  • After compression 13.3 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 12.6 kB, which is 14% 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 75.0 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 286 B

  • Original 3.7 MB
  • After minification 3.7 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. Zeppelin Nt images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 9 (26%)

Requests Now

34

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeppelin Nt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zeppelin-nt.de

zeppelin-nt.de

121 ms

zeppelin-nt.de

zeppelin-nt.de

311 ms

zeppelinflug.de

zeppelinflug.de

500 ms

143 ms

compress-75c617e2e4-d330b6a7fb79c54654f8d54ae6971ea1.css

compress-75c617e2e4-d330b6a7fb79c54654f8d54ae6971ea1.css

99 ms

compress-google-reviews-1cc656b8871fc5aaf2b7eb1f7d542a94.css

compress-google-reviews-1cc656b8871fc5aaf2b7eb1f7d542a94.css

197 ms

screen.css

screen.css

483 ms

flightplan.css

flightplan.css

289 ms

headerBundle.js

headerBundle.js

290 ms

compress-e0ae22f831-fce84b646a6dc3ce9dd98e2717bbaa27.js

compress-e0ae22f831-fce84b646a6dc3ce9dd98e2717bbaa27.js

285 ms

compress-klaro-no-css-d84f2e0f3a5401e4839ecd1ac680f7df.js

compress-klaro-no-css-d84f2e0f3a5401e4839ecd1ac680f7df.js

633 ms

vendorBundle.js

vendorBundle.js

394 ms

footerBundle.js

footerBundle.js

384 ms

chunk-vendors.js

chunk-vendors.js

761 ms

app.js

app.js

473 ms

zeppelin-nt_logo.svg

zeppelin-nt_logo.svg

102 ms

csm_CORP_COPYR_Michael-Haefner_4419_mit_Blendenflecken_und_Zeppelin_d2c0e04904.jpg

csm_CORP_COPYR_Michael-Haefner_4419_mit_Blendenflecken_und_Zeppelin_d2c0e04904.jpg

373 ms

COPYR_ZLT_Friedrichshafen-8d5261b7.jpg

COPYR_ZLT_Friedrichshafen-8d5261b7.jpg

190 ms

COPR_COPYR_Michael-Haefner_720x360_2-min.jpg

COPR_COPYR_Michael-Haefner_720x360_2-min.jpg

190 ms

csm_DSC06245_6e044488d5.jpg

csm_DSC06245_6e044488d5.jpg

554 ms

CORP_COPYR_Michael-Haefner__37__720x360-min.jpg

CORP_COPYR_Michael-Haefner__37__720x360-min.jpg

302 ms

CORP_COPYR_Michael-Haefner_Zeppelin-ueber-Bonn_720x360_5-min.jpg

CORP_COPYR_Michael-Haefner_Zeppelin-ueber-Bonn_720x360_5-min.jpg

375 ms

csm_20230519_230521_EMUE_Zeche_Zollverein_CORP_COPY_Lara_Pfau-3_1462f58f9f.jpg

csm_20230519_230521_EMUE_Zeche_Zollverein_CORP_COPY_Lara_Pfau-3_1462f58f9f.jpg

566 ms

CORP_COPYR_Michael-Haefner_Erlebnis-Zeppelin-Flug-ueber-Koeln_720x360-min.jpg

CORP_COPYR_Michael-Haefner_Erlebnis-Zeppelin-Flug-ueber-Koeln_720x360-min.jpg

413 ms

CORP_COPYR_Michael-Haefner_Zeppelin-ueber-Duesseldorf_720x360_2-min.jpg

CORP_COPYR_Michael-Haefner_Zeppelin-ueber-Duesseldorf_720x360_2-min.jpg

379 ms

csm_DZR_2019_Check_in_056_59dae38dac.jpg

csm_DZR_2019_Check_in_056_59dae38dac.jpg

466 ms

csm_Foto_S.92_13648e01d0.jpg

csm_Foto_S.92_13648e01d0.jpg

650 ms

csm_0R8A7475_dff2f7567f.jpg

csm_0R8A7475_dff2f7567f.jpg

568 ms

csm_221010_Zeppelinkollegen_139c204b33.jpg

csm_221010_Zeppelinkollegen_139c204b33.jpg

605 ms

csm_DZR_2019_Exklusiver_Flug_139_c9ed4bc9bd.jpg

csm_DZR_2019_Exklusiver_Flug_139_c9ed4bc9bd.jpg

651 ms

csm_IMG_3125_c__Michael_Haefner_Fotografien_6b4d30909e.jpg

csm_IMG_3125_c__Michael_Haefner_Fotografien_6b4d30909e.jpg

647 ms

csm_paypal-modified_17c0acf4dd.png

csm_paypal-modified_17c0acf4dd.png

665 ms

csm_visa-modified_98ceeba8b6.png

csm_visa-modified_98ceeba8b6.png

664 ms

csm_master-modified_d526968c64.png

csm_master-modified_d526968c64.png

698 ms

csm_sofort-modified_1d8c3477ce.png

csm_sofort-modified_1d8c3477ce.png

741 ms

csm_sepa-modified_b3b204d76a.png

csm_sepa-modified_b3b204d76a.png

742 ms

source-sans-pro-v13-latin-regular.woff

source-sans-pro-v13-latin-regular.woff

642 ms

source-sans-pro-v14-latin-600.woff

source-sans-pro-v14-latin-600.woff

658 ms

source-sans-pro-v13-latin-700.woff

source-sans-pro-v13-latin-700.woff

659 ms

fa-solid-900.woff

fa-solid-900.woff

689 ms

fa-brands-400.woff

fa-brands-400.woff

732 ms

zeppelin_skeleton.png

zeppelin_skeleton.png

565 ms

zeppelin_full.png

zeppelin_full.png

565 ms

Accessibility Review

zeppelin-nt.de accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

zeppelin-nt.de 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

High

Page has valid source maps

SEO Factors

zeppelin-nt.de SEO score

86

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

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 Zeppelin-nt.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 Zeppelin-nt.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

zeppelin-nt.de

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