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SGSiteGraph

operabase.com

Operabase | The Global Reference for Opera, Classical, Ballet & Musicals Since 1996

Last scanned Jul 26, 2026, 12:19 PM

89

Overall score

Great

Summary

Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. This website uses Next.js behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. With over 1,169,122 performances, 469,595 artists, 80,011 arts organisations & 2,388 festivals, discover the global stage like never before

Top issues to fix

6 issues found · 1 high priority

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 2 cookies without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

70

SEO

5 issue(s) found

100

Performance

737 ms

100

Security

HTTPS & header checks

90

Accessibility

1 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.

Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. With over 1,169,122 performances, 469,595 artists, 80,011 arts organisations & 2,388 festivals, discover the global stage like never before

Contact

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

Meta tags

Title
Operabase | The Global Reference for Opera, Classical, Ballet & Musicals Since 1996
Description
Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. With over 1,169,122 performances, 469,595 artists, 80,011 arts organisations & 2,388 festivals, discover the global stage like never before
Canonical
https://www.operabase.com/en
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow, noarchive, notranslate
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Operabase | The Global Reference for Opera, Classical, Ballet & Musicals Since 1996
og:description
Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. With over 1,169,122 performances, 469,595 artists, 80,011 arts organisations & 2,388 festivals, discover the global stage like never before
og:type
website
og:url
https://www.operabase.com/en

Twitter Card

twitter:card
summary_large_image
twitter:title
Operabase | The Global Reference for Opera, Classical, Ballet & Musicals Since 1996
twitter:description
Operabase is the world’s leading resource for performing arts, covering opera, classical music, ballet, and musicals. With over 1,169,122 performances, 469,595 artists, 80,011 arts organisations & 2,388 festivals, discover the global stage like never before

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
operabase.com
Valid from
Jul 19, 2026
Valid to
Oct 17, 2026
Days until expiry
80
SAN domains
operabase.com, *.operabase.com

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

59 scripts · 4 stylesheets

JS / CSS size

262 KB · 691 B

Page size

278 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • Meta description longer than 160 characters
  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://operabase.com
Final URL
https://www.operabase.com/en
HTTP status
200
HTTP version
HTTP/2
Response time
732 ms
HTML size
278 KB
Redirect chain
https://operabase.com → https://www.operabase.com/ → https://www.operabase.com/en

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Frequently asked questions

What technology does operabase.com use?
operabase.com is built with Next.js, Google Analytics.
Is operabase.com secure (HTTPS)?
Yes. operabase.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 17, 2026.
Who hosts operabase.com?
Hosting provider information for operabase.com is not available yet.
What is operabase.com's SEO score?
operabase.com scored 70/100 for SEO in the latest analysis (fair).
What is operabase.com's overall website score?
operabase.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.