What technology does semperoper.de use?

semperoper.de is built with Apache.

Is semperoper.de secure (HTTPS)?

Yes. semperoper.de uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Oct 7, 2026.

Who hosts semperoper.de?

Hosting provider information for semperoper.de is not available yet.

What is semperoper.de's SEO score?

semperoper.de scored 85/100 for SEO in the latest analysis (great).

What is semperoper.de's overall website score?

semperoper.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

semperoper.de

Semperoper Dresden

Last scanned Aug 24, 2026, 1:23 PM

Overall score

Great

Summary

Erleben Sie hochkarätige Opern-, Ballett- und Konzertaufführungen in einer der berühmtesten Spielstätten der Welt. This website uses Apache. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (75/100). Top issue: No structured data (JSON-LD) found.

Erleben Sie hochkarätige Opern-, Ballett- und Konzertaufführungen in einer der berühmtesten Spielstätten der Welt.

Top issues to fix

4 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

Performance

353 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Erleben Sie hochkarätige Opern-, Ballett- und Konzertaufführungen in einer der berühmtesten Spielstätten der Welt.

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Contact

Email, phone, and address published on this site's own pages.

Email: bestellung@semperoper.de
Phone: +493514911705

Meta tags

Title: Semperoper Dresden
Description: Erleben Sie hochkarätige Opern-, Ballett- und Konzertaufführungen in einer der berühmtesten Spielstätten der Welt.
Canonical: https://www.semperoper.de/index.html
Language: de-DE
Charset: utf-8
Viewport: width=device-width, initial-scale=1, minimum-scale=1, user-scalable=yes, minimal-ui,viewport-fit=cover
Robots meta: INDEX,FOLLOW
Manifest: https://www.semperoper.de/static/Icons/manifest.json

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 212.111.227.101
ASN: —

DNS records

Type	Value
A	212.111.227.101
AAAA	—
MX	mmail1.semperoper.de
TXT	—
NS	—
CAA	—
CNAME	webprod1-2022.semperoper.de
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: GlobalSign nv-sa
Subject: www.semperoper.de
Valid from: Sep 5, 2025
Valid to: Oct 7, 2026
Days until expiry: 43
SAN domains: www.semperoper.de, tickets.semperoper.de, pvc.semperoper.de, owa.semperoper.de, mail.semperoper.de, autodiscover.semperoper.de, semperoper.de

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 2 · H3 17

Links

90 internal · 26 external · 1 broken

Images

27 total · 0 missing alt

Scripts / Styles

12 scripts · 2 stylesheets

JS / CSS size

1.3 MB · 831 KB

Page size

192 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 17
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

No structured data (JSON-LD) found
sitemap.xml not found

Scan details

Requested URL: https://semperoper.de
Final URL: https://www.semperoper.de/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 350 ms
HTML size: 192 KB
Redirect chain: https://semperoper.de → https://www.semperoper.de/

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Frequently asked questions

What technology does semperoper.de use?: semperoper.de is built with Apache.
Is semperoper.de secure (HTTPS)?: Yes. semperoper.de uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Oct 7, 2026.
Who hosts semperoper.de?: Hosting provider information for semperoper.de is not available yet.
What is semperoper.de's SEO score?: semperoper.de scored 85/100 for SEO in the latest analysis (great).
What is semperoper.de's overall website score?: semperoper.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.