Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

stimmlabor.de

Stimmlabor FREIKLANG Berlin (seit 1999) - Stimmlabor FREIKLANG Berlin

Page Load Speed

5.5 sec in total

First Response

400 ms

Resources Loaded

4.7 sec

Page Rendered

417 ms

stimmlabor.de screenshot

About Website

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

{:de}Oberton-Sänger Miroslav Großer bietet in Berlin und international Workshops und Einzelunterricht für Stimme und Obertongesang, weltweit auch per Video Skype{:}

Visit stimmlabor.de

Key Findings

We analyzed Stimmlabor.de page load time and found that the first response time was 400 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

stimmlabor.de performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

stimmlabor.de

400 ms

www.stimmlabor.de

1361 ms

js

67 ms

styles.css

218 ms

cookie-law-info-public.css

329 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 62% of them (70 requests) were addressed to the original Stimmlabor.de, 27% (31 requests) were made to Fonts.gstatic.com and 6% (7 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Stimmlabor.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.3 kB (15%)

Content Size

732.9 kB

After Optimization

625.6 kB

In fact, the total size of Stimmlabor.de main page is 732.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 269.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 65.5 kB

  • Original 87.9 kB
  • After minification 86.1 kB
  • After compression 22.4 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 65.5 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 4.4 kB

  • Original 269.4 kB
  • After minification 265.0 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. Stimmlabor images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 32.9 kB

  • Original 227.0 kB
  • After minification 227.0 kB
  • After compression 194.1 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 32.9 kB or 15% of the original size.

CSS Optimization

-3%

Potential reduce by 4.4 kB

  • Original 148.6 kB
  • After minification 148.6 kB
  • After compression 144.2 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. Stimmlabor.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 72 (90%)

Requests Now

80

After Optimization

8

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stimmlabor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stimmlabor.de accessibility score

81

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

Best Practices

stimmlabor.de best practices score

92

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

Page has valid source maps

SEO Factors

stimmlabor.de SEO score

87

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

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