4.3 sec in total
342 ms
2.3 sec
1.6 sec
Welcome to rheinoper.de homepage info - get ready to check Rhein Oper best content right away, or after learning these important things about rheinoper.de
Die Deutsche Oper am Rhein Düsseldorf Duisburg gGmbH ist eine Theatergemeinschaft der Städte Düsseldorf und Duisburg, die auf eine lange Tradition der Zusammenarbeit zwischen den beiden Großstädten zu...
Visit rheinoper.deWe analyzed Rheinoper.de page load time and found that the first response time was 342 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.
rheinoper.de performance score
name
value
score
weighting
Value2.3 s
73/100
10%
Value5.5 s
19/100
25%
Value4.7 s
69/100
10%
Value90 ms
98/100
30%
Value0
100/100
15%
Value6.1 s
64/100
10%
342 ms
519 ms
313 ms
324 ms
631 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Rheinoper.de, 89% (32 requests) were made to Operamrhein.de and 6% (2 requests) were made to Code.etracker.com. The less responsive or slowest element that took the longest time to load (992 ms) relates to the external source Operamrhein.de.
Page size can be reduced by 108.3 kB (3%)
3.3 MB
3.2 MB
In fact, the total size of Rheinoper.de main page is 3.3 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. 35% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 41.7 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 8.9 kB, which is 18% 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 41.7 kB or 84% of the original size.
Potential reduce by 66.2 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. Rhein Oper images are well optimized though.
Potential reduce by 290 B
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.
Number of requests can be reduced by 4 (14%)
28
24
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rhein Oper. 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.
rheinoper.de
342 ms
www.operamrhein.de
519 ms
all
313 ms
head
324 ms
footer
631 ms
e.js
554 ms
anatevka_foto_13web_sandra_then.jpg
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grandhotel_ohp_fotojquast_042web.jpg
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theater_duisburg_35_internet_foto_jens_wegener.jpg
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240224_forumodz_oeffnungistprogramm_4zu3.png
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spielzeit_2024_25_mockup_1_1.jpg
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statement_istrael_story.jpg
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krabat_foto_03_ingo_schaefer.jpg
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haniel_klassik_open_air_06_foto_volker_wiciok.jpg
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stoerer_newsletter.svg
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RomainText-Regular-WebXL.woff
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RomainText-Bold-WebXL.woff
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AkkuratLLWeb-Light.woff
933 ms
AkkuratLLWeb-Regular.woff
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AkkuratLLWeb-Bold.woff
971 ms
GT-Sectra-Display-Regular.woff
992 ms
t.js
109 ms
cntcc
624 ms
rheinoper.de accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
rheinoper.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
rheinoper.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rheinoper.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 Rheinoper.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.
rheinoper.de
Open Graph description is not detected on the main page of Rhein Oper. 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: