Tools & Wizards About Us

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

berlinerstadtrundfahrten.de

Hop on Hop off Stadtrundfahrt Potsdam | Bus + Schiff |City Circle Bus Tour

Page Load Speed

2.4 sec in total

First Response

387 ms

Resources Loaded

1.9 sec

Page Rendered

52 ms

About Website

Visit berlinerstadtrundfahrten.de now to see the best up-to-date Berliner Stadtrundfahrt En content and also check out these interesting facts you probably never knew about berlinerstadtrundfahrten.de

Neu im Angebot: Bus + Schiff 36€ Tickets online hier kaufen. Highlights entdecken, Potsdam erleben auf der Hop-on Hop-off-Stadtrundfahrt Best of Potsdam Tour.

Visit berlinerstadtrundfahrten.de

Key Findings

We analyzed Berlinerstadtrundfahrten.de page load time and found that the first response time was 387 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

berlinerstadtrundfahrten.de performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

bex-sightseeing.html

387 ms

city-circle-potsdam.de

455 ms

citycircletours.de

453 ms

www.citycircletours.de

381 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Berlinerstadtrundfahrten.de, 25% (1 request) were made to Bex.de and 25% (1 request) were made to City-circle-potsdam.de. The less responsive or slowest element that took the longest time to load (455 ms) relates to the external source City-circle-potsdam.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.9 kB (39%)

Content Size

627.7 kB

After Optimization

379.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Berlinerstadtrundfahrten.de main page is 627.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 311.9 kB which makes up the majority of the site volume.

HTML Optimization

-8%

Potential reduce by 8 B

  • Original 95 B
  • After minification 95 B
  • After compression 87 B

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. This web page is already compressed.

Image Optimization

-4%

Potential reduce by 13.2 kB

  • Original 311.9 kB
  • After minification 298.7 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. Berliner Stadtrundfahrt En images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 74.1 kB

  • Original 127.7 kB
  • After minification 123.7 kB
  • After compression 53.7 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 74.1 kB or 58% of the original size.

CSS Optimization

-85%

Potential reduce by 160.6 kB

  • Original 188.0 kB
  • After minification 157.2 kB
  • After compression 27.3 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. Berlinerstadtrundfahrten.de needs all CSS files to be minified and compressed as it can save up to 160.6 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

Accessibility Review

berlinerstadtrundfahrten.de accessibility score

86

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

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

berlinerstadtrundfahrten.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

berlinerstadtrundfahrten.de 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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Berlinerstadtrundfahrten.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Berlinerstadtrundfahrten.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Berliner Stadtrundfahrt En. 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: