Access zeppelin-nt.de. Exklusive Rundflüge: Unvergessliche Sightseeing-Flüge mit dem Zeppelin

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%

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.

Content Size

3.8 MB

After Optimization

3.7 MB

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 Now

After Optimization

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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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

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: