Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

grillo-theater.de

Schauspiel Essen | Theater und Philharmonie Essen (TUP)

Page Load Speed

2.2 sec in total

First Response

453 ms

Resources Loaded

1.6 sec

Page Rendered

181 ms

grillo-theater.de screenshot

About Website

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

Theater und Philharmonie Essen

Visit grillo-theater.de

Key Findings

We analyzed Grillo-theater.de page load time and found that the first response time was 453 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

grillo-theater.de performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.616

10/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

grillo-theater.de

453 ms

960__screen__colorbox.css

97 ms

fonts.css

382 ms

jquery-1.4.2.min__jquery-ui-1.8.2.custom.min__jquery.colorbox-min__jquery.masonry.min__jquery.cookie__swfobject__gamma.js

491 ms

ga.js

65 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Grillo-theater.de, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (491 ms) belongs to the original domain Grillo-theater.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 74.4 kB (22%)

Content Size

340.0 kB

After Optimization

265.6 kB

In fact, the total size of Grillo-theater.de main page is 340.0 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. 30% of websites need less resources to load. Images take 217.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.6 kB

  • Original 17.3 kB
  • After minification 15.3 kB
  • After compression 4.7 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 2.0 kB, which is 12% 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 12.6 kB or 73% of the original size.

Image Optimization

-13%

Potential reduce by 28.7 kB

  • Original 217.9 kB
  • After minification 189.2 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. Obviously, Grillo Theater needs image optimization as it can save up to 28.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-38%

Potential reduce by 33.1 kB

  • Original 87.6 kB
  • After minification 87.5 kB
  • After compression 54.6 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. Grillo-theater.de needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 38% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

29

After Optimization

29

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grillo Theater. According to our analytics all requests are already optimized.

Accessibility Review

grillo-theater.de accessibility score

83

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

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

grillo-theater.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

grillo-theater.de SEO score

82

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grillo-theater.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Grillo-theater.de main page’s claimed encoding is iso-8859-15. 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 Grillo Theater. 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: