3.9 sec in total
360 ms
3.2 sec
264 ms
Visit operamrhein.de now to see the best up-to-date Oper Am Rhein content for Germany and also check out these interesting facts you probably never knew about operamrhein.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 operamrhein.deWe analyzed Operamrhein.de page load time and found that the first response time was 360 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize Operamrhein.de rating and web reputation
operamrhein.de performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value6.2 s
11/100
25%
Value6.5 s
39/100
10%
Value590 ms
50/100
30%
Value0.001
100/100
15%
Value6.3 s
60/100
10%
360 ms
1160 ms
139 ms
100 ms
203 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 60% of them (31 requests) were addressed to the original Operamrhein.de, 23% (12 requests) were made to Imgtoolkit.culturebase.org and 12% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Operamrhein.de.
Page size can be reduced by 171.4 kB (23%)
759.4 kB
588.0 kB
In fact, the total size of Operamrhein.de main page is 759.4 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. 60% of websites need less resources to load. Images take 646.8 kB which makes up the majority of the site volume.
Potential reduce by 45.4 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 45.4 kB or 81% of the original size.
Potential reduce by 88.8 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, Oper Am Rhein needs image optimization as it can save up to 88.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 35.7 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 35.7 kB or 65% of the original size.
Potential reduce by 1.5 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. Operamrhein.de needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 81% of the original size.
Number of requests can be reduced by 8 (19%)
42
34
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oper Am Rhein. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
operamrhein.de
360 ms
home
1160 ms
gxg8cep.js
139 ms
lineto-akkurat-pro-regular.css
100 ms
lineto-akkurat-pro-bold.css
203 ms
styles.php
465 ms
scripts.php
832 ms
operamrhein.de
247 ms
imgtoolkit.culturebase.org
851 ms
imgtoolkit.culturebase.org
857 ms
imgtoolkit.culturebase.org
950 ms
imgtoolkit.culturebase.org
895 ms
imgtoolkit.culturebase.org
853 ms
imgtoolkit.culturebase.org
895 ms
imgtoolkit.culturebase.org
935 ms
imgtoolkit.culturebase.org
963 ms
imgtoolkit.culturebase.org
944 ms
imgtoolkit.culturebase.org
972 ms
imgtoolkit.culturebase.org
973 ms
imgtoolkit.culturebase.org
1123 ms
cb-logo.png
97 ms
img_logo-desktop2.png
104 ms
img_header-ticket2.svg
99 ms
img_close.png
191 ms
img_arrow-left-slider.svg
195 ms
img_arrow-right-slider.svg
196 ms
img_arrow-left-kalender.svg
190 ms
img_arrow-right-kalender.svg
195 ms
Ladezustand.gif
530 ms
img_sm-facebook.svg
292 ms
img_sm-youtube.svg
283 ms
img_sm-instagram.svg
287 ms
img_sm-twitter.svg
290 ms
img_sm-pinterest.svg
525 ms
lineto-akkurat-pro-bold.woff
517 ms
lineto-akkurat-pro-regular.woff
517 ms
glyphicons-halflings-regular.woff
475 ms
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468 ms
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470 ms
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474 ms
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474 ms
piwik.js
398 ms
menu_icon_dark.png
101 ms
img_logo-desktop-picto.png
102 ms
img_dot.png
103 ms
img_dot-filled.png
135 ms
p.gif
120 ms
piwik.php
237 ms
img_sm-facebook_dark.svg
102 ms
img_sm-pinterest_dark.svg
98 ms
img_sm-twitter_dark.svg
104 ms
img_sm-youtube_dark.svg
99 ms
operamrhein.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.
operamrhein.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
operamrhein.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 Operamrhein.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 Operamrhein.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.
operamrhein.de
Open Graph description is not detected on the main page of Oper Am Rhein. 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: