Tools & Wizards About Us
komische-oper-berlin.de screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

komische-oper-berlin.de

Home | Komische Oper Berlin

Page Load Speed

3.2 sec in total

First Response

377 ms

Resources Loaded

2.5 sec

Page Rendered

357 ms

komische-oper-berlin.de screenshot

About Website

Visit komische-oper-berlin.de now to see the best up-to-date Komische Oper Berlin content for Germany and also check out these interesting facts you probably never knew about komische-oper-berlin.de

Die Komische Oper Berlin ist eines der weltweit innovativsten Opernhäuser. Ihr Programm aus Opern, Operetten, Musicals und Konzerten ist derzeit im Schillertheater zu erleben – und unter dem Motto »Ra...

Visit komische-oper-berlin.de

Key Findings

We analyzed Komische-oper-berlin.de page load time and found that the first response time was 377 ms and then it took 2.9 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

komische-oper-berlin.de performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.519

15/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

komische-oper-berlin.de

377 ms

komische-oper-berlin.de

446 ms

www.komische-oper-berlin.de

572 ms

api.css

642 ms

all

525 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Komische-oper-berlin.de, 13% (2 requests) were made to Kob-shopapi.hosted-application.de and 7% (1 request) were made to . The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Kob-shopapi.hosted-application.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.8 kB (6%)

Content Size

644.3 kB

After Optimization

605.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Komische-oper-berlin.de main page is 644.3 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. Only 5% of websites need less resources to load. Javascripts take 561.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.2 kB

  • Original 47.3 kB
  • After minification 37.7 kB
  • After compression 9.2 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. This page needs HTML code to be minified as it can gain 9.6 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.2 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 2 B

  • Original 120 B
  • After minification 118 B

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. Komische Oper Berlin images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 121 B

  • Original 561.6 kB
  • After minification 561.6 kB
  • After compression 561.5 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

-1%

Potential reduce by 504 B

  • Original 35.2 kB
  • After minification 35.2 kB
  • After compression 34.7 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. Komische-oper-berlin.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Komische Oper Berlin. According to our analytics all requests are already optimized.

Network Requests Diagram

komische-oper-berlin.de

komische-oper-berlin.de

377 ms

komische-oper-berlin.de

komische-oper-berlin.de

446 ms

www.komische-oper-berlin.de

www.komische-oper-berlin.de

572 ms

api.css

api.css

642 ms

all

all

525 ms

head

head

327 ms

footer

footer

782 ms

api.js

api.js

1051 ms

108 ms

blank_1_1.png

blank_1_1.png

109 ms

wO4Se5ygl0dLOFnhBpP9bgAEAIZsj2y4sUBEAAAAASUVORK5CYII=

wO4Se5ygl0dLOFnhBpP9bgAEAIZsj2y4sUBEAAAAASUVORK5CYII=

15 ms

330975_4_0.woff

330975_4_0.woff

115 ms

330975_5_0.woff

330975_5_0.woff

312 ms

Brandon-Text-Web-Light.woff

Brandon-Text-Web-Light.woff

181 ms

330975_1_0.woff

330975_1_0.woff

229 ms

Accessibility Review

komische-oper-berlin.de accessibility score

82

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

Image elements do not have [alt] attributes

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

komische-oper-berlin.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

komische-oper-berlin.de SEO score

83

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

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 Komische-oper-berlin.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 Komische-oper-berlin.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

komische-oper-berlin.de

Open Graph description is not detected on the main page of Komische Oper Berlin. 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: