Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

komische-oper-berlin.de

Home | Komische Oper Berlin

Page Load Speed

4.3 sec in total

First Response

292 ms

Resources Loaded

3.7 sec

Page Rendered

298 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, im Herzen der Hauptstadt zwischen Brandenburger Tor, Museumsinsel und Checkpoint Charlie gelegen, steht für zeitgemäßes und lebendiges Musiktheater. Ihr prächtiger, neobarock...

Visit komische-oper-berlin.de

Key Findings

We analyzed Komische-oper-berlin.de page load time and found that the first response time was 292 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

komische-oper-berlin.de performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

komische-oper-berlin.de

292 ms

www.komische-oper-berlin.de

1137 ms

styles_common.css

175 ms

styles_font.css

274 ms

styles_menu.css

378 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 97% of them (73 requests) were addressed to the original Komische-oper-berlin.de, 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Komische-oper-berlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 673.0 kB (48%)

Content Size

1.4 MB

After Optimization

741.5 kB

In fact, the total size of Komische-oper-berlin.de main page is 1.4 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. 40% of websites need less resources to load. Images take 654.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.0 kB

  • Original 104.3 kB
  • After minification 89.3 kB
  • After compression 14.2 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 15.0 kB, which is 14% 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 90.0 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 62.1 kB

  • Original 654.6 kB
  • After minification 592.5 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. Komische Oper Berlin images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 343.7 kB

  • Original 458.7 kB
  • After minification 404.4 kB
  • After compression 115.0 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 343.7 kB or 75% of the original size.

CSS Optimization

-90%

Potential reduce by 177.2 kB

  • Original 196.9 kB
  • After minification 164.3 kB
  • After compression 19.7 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 needs all CSS files to be minified and compressed as it can save up to 177.2 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (68%)

Requests Now

69

After Optimization

22

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Komische Oper Berlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

komische-oper-berlin.de accessibility score

85

Accessibility Issues

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

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

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

Missing source maps for large first-party JavaScript

SEO Factors

komische-oper-berlin.de SEO score

75

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

Links do not have descriptive text

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 doesn't use 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

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: