Tools & Wizards About Us
havelhop.de screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

havelhop.de

15th Potsdam HavelHop 2025 - International Lindy Hop Workshop

Page Load Speed

2 sec in total

First Response

242 ms

Resources Loaded

1.6 sec

Page Rendered

155 ms

havelhop.de screenshot

About Website

Welcome to havelhop.de homepage info - get ready to check Havel Hop best content right away, or after learning these important things about havelhop.de

The 15th Potsdam HavelHop 2025 is an International Lindy Hop Workshop and will happen on May 1st - 4th in Potsdam (close to Berlin), Germany.

Visit havelhop.de

Key Findings

We analyzed Havelhop.de page load time and found that the first response time was 242 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

havelhop.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

havelhop.de

242 ms

reset.css

98 ms

style.css

280 ms

style.css

371 ms

custom.css

200 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Havelhop.de and no external sources were called. The less responsive or slowest element that took the longest time to load (680 ms) belongs to the original domain Havelhop.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.9 kB (28%)

Content Size

1.0 MB

After Optimization

755.9 kB

  • Images
  • JavaScript
  • CSS

In fact, the total size of Havelhop.de main page is 1.0 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. 25% of websites need less resources to load. Images take 980.9 kB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 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. This web page is already compressed.

Image Optimization

-24%

Potential reduce by 232.9 kB

  • Original 980.9 kB
  • After minification 748.0 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. Obviously, Havel Hop needs image optimization as it can save up to 232.9 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 8.7 kB

  • Original 12.8 kB
  • After minification 11.4 kB
  • After compression 4.2 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 8.7 kB or 68% of the original size.

CSS Optimization

-92%

Potential reduce by 45.3 kB

  • Original 49.1 kB
  • After minification 35.6 kB
  • After compression 3.7 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. Havelhop.de needs all CSS files to be minified and compressed as it can save up to 45.3 kB or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (80%)

Requests Now

20

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Havel Hop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

havelhop.de

havelhop.de

242 ms

reset.css

reset.css

98 ms

style.css

style.css

280 ms

style.css

style.css

371 ms

custom.css

custom.css

200 ms

custom.css

custom.css

196 ms

custom.css

custom.css

205 ms

custom.css

custom.css

206 ms

custom.css

custom.css

293 ms

index.css

index.css

584 ms

jquery.js

jquery.js

495 ms

x5engine.js

x5engine.js

305 ms

main.js

main.js

375 ms

HavelHop-HintergrundTuerkis3-hell.png

HavelHop-HintergrundTuerkis3-hell.png

680 ms

HavelHop_pink_ztt3wafq.png

HavelHop_pink_ztt3wafq.png

197 ms

NeutrafaceCondensed-Medium.woff

NeutrafaceCondensed-Medium.woff

102 ms

modernizr-custom.js

modernizr-custom.js

97 ms

x5engine.deferrable.js

x5engine.deferrable.js

600 ms

l10n.js

l10n.js

191 ms

x5cartengine.js

x5cartengine.js

571 ms

x5settings.js

x5settings.js

201 ms

print.css

print.css

98 ms

Accessibility Review

havelhop.de accessibility score

76

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

havelhop.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

havelhop.de SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Havelhop.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Havelhop.de main page’s claimed encoding is . 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

havelhop.de

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