Access oper-stuttgart.de. Home | Staatsoper Stuttgart

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

oper-stuttgart.de

306 ms

www.oper-stuttgart.de

1324 ms

styles_common.css

207 ms

styles_menu.css

220 ms

styles.css

503 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 77% of them (46 requests) were addressed to the original Oper-stuttgart.de, 7% (4 requests) were made to Etracker.de and 3% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Oper-stuttgart.de.

Content Size

2.2 MB

After Optimization

1.2 MB

In fact, the total size of Oper-stuttgart.de main page is 2.2 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 918.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 56.4 kB

Original 71.9 kB
After minification 65.7 kB
After compression 15.5 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 56.4 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 16.7 kB

Original 918.6 kB
After minification 901.9 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. Oper Stuttgart images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 655.6 kB

Original 846.5 kB
After minification 688.5 kB
After compression 190.9 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 655.6 kB or 77% of the original size.

CSS Optimization

-85%

Potential reduce by 295.4 kB

Original 348.7 kB
After minification 327.3 kB
After compression 53.2 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. Oper-stuttgart.de needs all CSS files to be minified and compressed as it can save up to 295.4 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oper Stuttgart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses 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 Oper-stuttgart.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 Oper-stuttgart.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

oper-stuttgart.de

Open Graph description is not detected on the main page of Oper Stuttgart. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Home | Staatsoper Stuttgart

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

oper-stuttgart.de

www.oper-stuttgart.de

styles_common.css

styles_menu.css

styles.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

oper-stuttgart.de

www.oper-stuttgart.de

styles_common.css

styles_menu.css

styles.css

styles_de.css

styles_safari.css

head.loader.js

WebResource.axd

ScriptResource.axd

ScriptResource.axd

e.js

blank.gif

logo.png

jm_lupe.png

st__carmen_wa_16_14.jpg

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barbiere_wa_2_11.01.14_22.jpg

1_alejo_perez_sw.jpg

kuindzhi_nochnoe.jpg

der_rosenkavalier_2009_10_c_sigmund_sig9133.jpg

hoffmanns_extremquer.jpg

salome_c_a.t._schaefer_hpo_194.jpg

spielraum_oper_quer_i.jpg

ceneren_gp_386.jpg

opernhaus_foyer__c_martin_sigmund_sig3487.jpg

oper_stuttgart_ballon_motiv_gross_illustration_anna_matysik_gestaltung_discodoener.jpg

300x250_de.jpg

bert_neumann_0223___copyright_lenore_blievernicht.jpg

spielzeiteroeffnung_2015_16.jpg

06_lenz_105.jpg

berenike_2014_15_c_a.t._schaefer_berenike_hpk_46.jpg

opernstudio15_16_quer__c_martinsigmund_sig2346_a.jpg

ZM5dpfxHnSs

CF9zq-i7ojc

locationLogo_sprite.png

all.png

jquery-1.8.3.min.js

t.js

jquery-1.8.2.min.js

callbacks.js

phoenixWebshop.js

script_common.js