Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jubez.de

jubez

Page Load Speed

2.9 sec in total

First Response

603 ms

Resources Loaded

1.9 sec

Page Rendered

428 ms

jubez.de screenshot

About Website

Visit jubez.de now to see the best up-to-date Jubez content for Germany and also check out these interesting facts you probably never knew about jubez.de

JUBEZ - Stadtjugendausschuss e.V. Karlsruhe | Veranstaltungen und Werkstattkurse in Karlsruhe

Visit jubez.de

Key Findings

We analyzed Jubez.de page load time and found that the first response time was 603 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

jubez.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.154

75/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

jubez.de

603 ms

b8d98090a09dd526700fe41375400da3.css

85 ms

css_4257fd81eea38795f89f12cab906de3b.css

250 ms

js_67eb7552be262da58277589be904378b.js

258 ms

background.jpg

86 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Jubez.de and no external sources were called. The less responsive or slowest element that took the longest time to load (603 ms) belongs to the original domain Jubez.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 231.5 kB (57%)

Content Size

409.6 kB

After Optimization

178.0 kB

In fact, the total size of Jubez.de main page is 409.6 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. 25% of websites need less resources to load. Javascripts take 146.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 44.5 kB

  • Original 53.5 kB
  • After minification 47.9 kB
  • After compression 9.0 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 44.5 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 15.3 kB

  • Original 124.7 kB
  • After minification 109.3 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, Jubez needs image optimization as it can save up to 15.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 102.7 kB

  • Original 146.8 kB
  • After minification 130.8 kB
  • After compression 44.1 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 102.7 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 69.1 kB

  • Original 84.6 kB
  • After minification 82.3 kB
  • After compression 15.6 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. Jubez.de needs all CSS files to be minified and compressed as it can save up to 69.1 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jubez. According to our analytics all requests are already optimized.

Accessibility Review

jubez.de accessibility score

70

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

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jubez.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

SEO Factors

jubez.de SEO score

82

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

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 Jubez.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 Jubez.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 Jubez. 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: