Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

berlin-allstarz.de

LIVE KARAOKE | Wie Karaoke, nur besser!

Page Load Speed

4 sec in total

First Response

779 ms

Resources Loaded

2.9 sec

Page Rendered

304 ms

berlin-allstarz.de screenshot

About Website

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Key Findings

We analyzed Berlin-allstarz.de page load time and found that the first response time was 779 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

berlin-allstarz.de performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value19.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.5 s

0/100

25%

SI (Speed Index)

Value39.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value41.2 s

0/100

10%

Network Requests Diagram

index.php

779 ms

screen.css

222 ms

functions.js

233 ms

overlib.js

451 ms

util-functions.js

231 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that all of those requests were addressed to Berlin-allstarz.de and no external sources were called. The less responsive or slowest element that took the longest time to load (891 ms) belongs to the original domain Berlin-allstarz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.2 kB (41%)

Content Size

248.9 kB

After Optimization

146.7 kB

In fact, the total size of Berlin-allstarz.de main page is 248.9 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. Images take 126.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.9 kB

  • Original 23.0 kB
  • After minification 21.7 kB
  • After compression 6.1 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 16.9 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 6.4 kB

  • Original 126.6 kB
  • After minification 120.2 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. Berlin Allstarz images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 76.4 kB

  • Original 96.1 kB
  • After minification 79.6 kB
  • After compression 19.6 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 76.4 kB or 80% of the original size.

CSS Optimization

-77%

Potential reduce by 2.5 kB

  • Original 3.3 kB
  • After minification 2.3 kB
  • After compression 778 B

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. Berlin-allstarz.de needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (24%)

Requests Now

68

After Optimization

52

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Berlin Allstarz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

berlin-allstarz.de accessibility score

66

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.

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

berlin-allstarz.de best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

berlin-allstarz.de SEO score

76

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

High

Page is blocked from indexing

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

    EN

  • 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 Berlin-allstarz.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 Berlin-allstarz.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 Berlin Allstarz. 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: