Tools & Wizards About Us
kletterfabrik-koeln.de screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% 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

  • 97

    SEO

    Google-friendlier than
    91% of websites

kletterfabrik-koeln.de

Klettern, Bouldern, Kletterkurse und mehr | Kletterfabrik Köln

Page Load Speed

3.9 sec in total

First Response

426 ms

Resources Loaded

2.9 sec

Page Rendered

550 ms

kletterfabrik-koeln.de screenshot

About Website

Welcome to kletterfabrik-koeln.de homepage info - get ready to check Kletterfabrik Koeln best content for Germany right away, or after learning these important things about kletterfabrik-koeln.de

Im Herzen von Köln liegt die Kletterfabrik Köln mit verschiedenen Angeboten zu Klettern, Bouldern, Kinderklettern, Kletterkursen, Geburtstagsfeiern, Boulderhalle.

Visit kletterfabrik-koeln.de

Key Findings

We analyzed Kletterfabrik-koeln.de page load time and found that the first response time was 426 ms and then it took 3.4 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

kletterfabrik-koeln.de performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

kletterfabrik-koeln.de

426 ms

www.kletterfabrik.koeln

829 ms

glightbox.min.css

114 ms

mobile-menu.min.css

227 ms

styles.css

451 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kletterfabrik-koeln.de, 69% (31 requests) were made to Kletterfabrik.koeln and 11% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Kletterfabrik.koeln.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.3 kB (8%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kletterfabrik-koeln.de main page is 1.8 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. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 46.0 kB

  • Original 59.3 kB
  • After minification 58.2 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. 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 46.0 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 97.2 kB

  • Original 1.6 MB
  • After minification 1.5 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. Kletterfabrik Koeln images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 120 B

  • Original 76.0 kB
  • After minification 76.0 kB
  • After compression 75.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 4.0 kB

  • Original 27.3 kB
  • After minification 27.3 kB
  • After compression 23.3 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. Kletterfabrik-koeln.de needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

39

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kletterfabrik Koeln. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kletterfabrik-koeln.de

kletterfabrik-koeln.de

426 ms

www.kletterfabrik.koeln

www.kletterfabrik.koeln

829 ms

glightbox.min.css

glightbox.min.css

114 ms

mobile-menu.min.css

mobile-menu.min.css

227 ms

styles.css

styles.css

451 ms

jquery.min.js

jquery.min.js

461 ms

mobile-menu.jquery.min.js

mobile-menu.jquery.min.js

334 ms

cyv7rhn.css

cyv7rhn.css

85 ms

jquery-ui.min.js

jquery-ui.min.js

334 ms

glightbox.min.js

glightbox.min.js

339 ms

jquery.modal.min.js

jquery.modal.min.js

345 ms

matomo.js

matomo.js

705 ms

p.css

p.css

35 ms

klettern-koeln-weiss-m.svg

klettern-koeln-weiss-m.svg

116 ms

auslastung.html

auslastung.html

567 ms

kletterfabrik-koeln-logo.svg

kletterfabrik-koeln-logo.svg

116 ms

klettern-koeln-weiss.svg

klettern-koeln-weiss.svg

117 ms

822302%20Banner%20Sommercamp%202000x140px-01486871.jpg

822302%20Banner%20Sommercamp%202000x140px-01486871.jpg

231 ms

klettern-koeln-halle-9cc773aa.jpg

klettern-koeln-halle-9cc773aa.jpg

331 ms

bouldern-koeln-ea099ae0.jpg

bouldern-koeln-ea099ae0.jpg

221 ms

sichern-beim-klettern-d0495bf2.jpg

sichern-beim-klettern-d0495bf2.jpg

326 ms

Kletterfabrik_Fotos_305-7886188b.jpg

Kletterfabrik_Fotos_305-7886188b.jpg

444 ms

Kletterfabrik_Fotos_313-6b5ddd3c.jpg

Kletterfabrik_Fotos_313-6b5ddd3c.jpg

442 ms

kletterbereich-2b1508fe.jpg

kletterbereich-2b1508fe.jpg

553 ms

bouldern-in-koeln-e06eb2ac.jpg

bouldern-in-koeln-e06eb2ac.jpg

461 ms

bistro-kletterhalle-d7fd7c41.jpg

bistro-kletterhalle-d7fd7c41.jpg

548 ms

pic-02.svg

pic-02.svg

442 ms

insta.svg

insta.svg

554 ms

pic-03.svg

pic-03.svg

553 ms

pic-06.svg

pic-06.svg

556 ms

pic-07.svg

pic-07.svg

576 ms

pic-08.svg

pic-08.svg

658 ms

pic-09.svg

pic-09.svg

661 ms

pic-05.svg

pic-05.svg

601 ms

Bistro-halle.jpg

Bistro-halle.jpg

1042 ms

show.svg

show.svg

602 ms

d

d

16 ms

d

d

34 ms

d

d

30 ms

d

d

44 ms

basic.css

basic.css

111 ms

coronstyle.css

coronstyle.css

223 ms

webclimber_trafficlight.min.js

webclimber_trafficlight.min.js

419 ms

webclimber_trafficlight.min.css

webclimber_trafficlight.min.css

521 ms

matomo.php

matomo.php

354 ms

Accessibility Review

kletterfabrik-koeln.de accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

kletterfabrik-koeln.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kletterfabrik-koeln.de SEO score

97

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kletterfabrik-koeln.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 Kletterfabrik-koeln.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

kletterfabrik-koeln.de

Open Graph description is not detected on the main page of Kletterfabrik Koeln. 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: