6.1 sec in total
323 ms
5.4 sec
349 ms
Visit semperoper.de now to see the best up-to-date Semperoper content for Russia and also check out these interesting facts you probably never knew about semperoper.de
Erleben Sie hochkarätige Opern-, Ballett- und Konzertaufführungen in einer der berühmtesten Spielstätten der Welt.
Visit semperoper.deWe analyzed Semperoper.de page load time and found that the first response time was 323 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
semperoper.de performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value14.1 s
0/100
25%
Value10.3 s
8/100
10%
Value1,900 ms
8/100
30%
Value0.177
68/100
15%
Value24.6 s
0/100
10%
323 ms
1121 ms
109 ms
442 ms
300 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 99% of them (86 requests) were addressed to the original Semperoper.de, 1% (1 request) were made to Tickets.semperoper.de. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Semperoper.de.
Page size can be reduced by 1.6 MB (61%)
2.6 MB
1.0 MB
In fact, the total size of Semperoper.de main page is 2.6 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. 50% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 81.9 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 30.7 kB, which is 33% 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 81.9 kB or 88% of the original size.
Potential reduce by 7.1 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. Semperoper images are well optimized though.
Potential reduce by 1.2 MB
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 1.2 MB or 84% of the original size.
Potential reduce by 369.9 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. Semperoper.de needs all CSS files to be minified and compressed as it can save up to 369.9 kB or 87% of the original size.
Number of requests can be reduced by 40 (50%)
80
40
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semperoper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.
semperoper.de
323 ms
www.semperoper.de
1121 ms
SrLanguageMenu.css
109 ms
semperoper.css
442 ms
modernizr-2.5.3-min.js
300 ms
jquery-2.1.0.min.js
418 ms
jquery.hotkeys.js
314 ms
jquery.slides.js
329 ms
jquery.easing-1.3.js
330 ms
jquery-ui-1.9.2.custom.min.js
514 ms
jquery.selectbox-0.2.min.js
417 ms
jquery.ui.menu.js
512 ms
jquery.ui.position.js
513 ms
jquery.ui.widget.js
527 ms
jquery.ui.autocomplete.js
528 ms
suggest.js
548 ms
plugins.js
546 ms
jquery.nanoscroller.min.js
550 ms
sly.min.js
594 ms
script.js
732 ms
helper.js
631 ms
jquery.ui.datepicker.min.js
762 ms
jquery.validationEngine-en.js
653 ms
jquery.validationEngine.js
768 ms
tabs.js
691 ms
form.js
739 ms
video.js
1228 ms
jquery.datetimepicker.js
790 ms
parsley.min.js
831 ms
tabs.js
840 ms
semper_logo_white.svg
187 ms
SO_search.svg
185 ms
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Die_glaeserne_Manufaktur_gross.png
826 ms
Saechsische_Staatskapelle_Dresden.png
833 ms
SO_SSD_Logo.svg
867 ms
semperoper_dresden.svg
865 ms
semperoper_logo.svg
867 ms
SO_WEB_Icon_karten_Junge_Szene.svg
876 ms
13fc81e9-1e57-4240-8d22-10ec0db002b1.woff
918 ms
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931 ms
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showCart
1023 ms
piwik.js
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2016.html
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content.json
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SO_WEB_ARROW.svg
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prev.svg
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next.svg
756 ms
gallery_arrow.svg
757 ms
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756 ms
SO_WEB_Icon_facebook.svg
731 ms
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740 ms
SO_WEB_video_play.svg
777 ms
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764 ms
SO_WEB_Icon_twitter.svg
736 ms
SO_WEB_Icon_youtube.svg
739 ms
SO_WEB_Icon_karten_Ballett.svg
780 ms
SO_WEB_Preloader.svg
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SO_GMD_SMALL.svg
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SO_WEB_Icon_karten_Staatskapelle.svg
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print.css
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semperoper.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
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.
semperoper.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
semperoper.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Document doesn't have a valid hreflang
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semperoper.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Semperoper.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.
semperoper.de
Open Graph description is not detected on the main page of Semperoper. 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: