Tools & Wizards About Us
sportschule-rahn.de screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

sportschule-rahn.de

Sportschule Rahn Berlin - Kampfsport seit 1906 | Jiu-Jitsu, Judo, Kickboxen

Page Load Speed

3.6 sec in total

First Response

949 ms

Resources Loaded

2.4 sec

Page Rendered

227 ms

sportschule-rahn.de screenshot

About Website

Click here to check amazing Sportschule Rahn content for Germany. Otherwise, check out these important facts you probably never knew about sportschule-rahn.de

Traditionelle Kampfsportschule in Berlin seit 1906. Jiu-Jitsu, Judo, Kickboxen, MMA, Selbstverteidigung. Lizenzierte Trainer, modernes Training. 3x kostenloses Probetraining in der Nicolaistraße 13-15...

Visit sportschule-rahn.de

Key Findings

We analyzed Sportschule-rahn.de page load time and found that the first response time was 949 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. This domain responded with an error, which can significantly jeopardize Sportschule-rahn.de rating and web reputation

Performance Metrics

sportschule-rahn.de performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

Network Requests Diagram

sportschule-rahn.de

949 ms

f28e50bd0c980826b8bb1a82e3bae965.css

283 ms

calendar.css

190 ms

front.css

191 ms

module_default.css

202 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 78% of them (32 requests) were addressed to the original Sportschule-rahn.de, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (949 ms) belongs to the original domain Sportschule-rahn.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.9 kB (30%)

Content Size

583.3 kB

After Optimization

410.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sportschule-rahn.de main page is 583.3 kB. 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 355.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 40.1 kB

  • Original 50.8 kB
  • After minification 48.7 kB
  • After compression 10.7 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 40.1 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 18.9 kB

  • Original 355.7 kB
  • After minification 336.8 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. Sportschule Rahn images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 94.8 kB

  • Original 152.2 kB
  • After minification 145.6 kB
  • After compression 57.4 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 94.8 kB or 62% of the original size.

CSS Optimization

-78%

Potential reduce by 19.1 kB

  • Original 24.6 kB
  • After minification 16.5 kB
  • After compression 5.5 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. Sportschule-rahn.de needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (64%)

Requests Now

39

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sportschule Rahn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sportschule-rahn.de

sportschule-rahn.de

949 ms

f28e50bd0c980826b8bb1a82e3bae965.css

f28e50bd0c980826b8bb1a82e3bae965.css

283 ms

calendar.css

calendar.css

190 ms

front.css

front.css

191 ms

module_default.css

module_default.css

202 ms

729dc19d6a1f49048968bb1c8812c224.css

729dc19d6a1f49048968bb1c8812c224.css

203 ms

mootools-core.js

mootools-core.js

533 ms

core.js

core.js

283 ms

caption.js

caption.js

285 ms

script.js

script.js

303 ms

acymailing_module.js

acymailing_module.js

304 ms

99c282f29171e6f92efdd67c39c34ba4.js

99c282f29171e6f92efdd67c39c34ba4.js

745 ms

transmenu_Packed.js

transmenu_Packed.js

375 ms

system.css

system.css

380 ms

error.css

error.css

408 ms

editor.css

editor.css

407 ms

offline.css

offline.css

469 ms

template.css

template.css

474 ms

all.js

all.js

161 ms

system.css

system.css

105 ms

ga.js

ga.js

16 ms

body_bg.jpg

body_bg.jpg

117 ms

symbol.gif

symbol.gif

115 ms

logo.png

logo.png

115 ms

team-sportschule-rahn.JPG

team-sportschule-rahn.JPG

217 ms

rahn-pratzentraining.JPG

rahn-pratzentraining.JPG

205 ms

rahn-gym.JPG

rahn-gym.JPG

191 ms

rahn-kindertraining.JPG

rahn-kindertraining.JPG

192 ms

rahn-beintechnik.JPG

rahn-beintechnik.JPG

382 ms

m_aktiv.png

m_aktiv.png

199 ms

__utm.gif

__utm.gif

68 ms

news.png

news.png

237 ms

news_bg.png

news_bg.png

239 ms

footer.png

footer.png

194 ms

131 ms

xd_arbiter.php

xd_arbiter.php

151 ms

xd_arbiter.php

xd_arbiter.php

273 ms

like.php

like.php

132 ms

TY3MhkXpWJ-.js

TY3MhkXpWJ-.js

297 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

333 ms

print.css

print.css

105 ms

Accessibility Review

sportschule-rahn.de accessibility score

80

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sportschule-rahn.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

Page has valid source maps

SEO Factors

sportschule-rahn.de SEO score

85

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

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 Sportschule-rahn.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 Sportschule-rahn.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

sportschule-rahn.de

Open Graph data is detected on the main page of Sportschule Rahn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: