Alteoper.de - SEO Checker

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Overview of the SEO Check
Meta information
89% 
Page quality
74% 
Page structure
79% 
Link structure
90% 
Server
86% 
External factors
100% 
SEO Score
Response time
1.21 s
File size
369.60 kB
Words
299
Media files
20
Number of links
49 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Alte Oper Frankfurt
The length of the page title is perfect. (240 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Behind the historic façade of the former Frankfurt Opera House lies a vibrant concert and congress centre that, despite its versatility.
The length of the meta description is perfect. (811 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.alteoper.de/en
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
An alternate link incorrectly contains an URL with a relative path.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0, maximum-scale=5.0
google-site-verificationw1caMKWcaYnaIpqwj2AonSDfkfcIzpgP_8nSuIw90sI
mobile-web-app-capableyes
apple-mobile-web-app-titlePageeditor
authorPageeditor
og:typewebsite
og:site_namePageeditor
og:image:width512
og:image:height512
og:image:typeimage/png
descriptionBehind the historic façade of the former Frankfurt Opera House lies a vibrant concert and congress centre that, despite its versatility.
langen
og:typewebsite
og:site_namePageeditor
og:image:width512
og:image:height512
og:image:typeimage/png
og:localeen
og:locale:alternatede
og:descriptionBehind the historic façade of the former Frankfurt Opera House lies a vibrant concert and congress centre that, despite its versatility.
og:titleHome
og:imagehttps://www.alteoper.de/media/filer_public_thumbnails/filer_public/ab/c3/abc329f0-9cc8-453e-8cb7-c7e86c9daf0c/aof_home_hero_nov2024.jpg__1920x1920_q85_subsampling-2_upscale.jpg
charsetutf-8

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Page quality

Content
(Critically important)
There are only 299 words on this page. Good pages should have about 800 words of useful content.
31.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16.6 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, maximum-scale=5.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
9 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...ation-1333,381_subsampling-2_upscale.jpgDaniele Gatti conducts an orchestra
...ation-1000,571_subsampling-2_upscale.jpgPortrait of Alexander Malofejew
...cation-829,305_subsampling-2_upscale.jpgPortrait of Jean Guihen-Queyras
...cation-600,340_subsampling-2_upscale.jpgPortrait of Sebastian Weigle
...ation-1000,567_subsampling-2_upscale.jpgVilde Frang
...1_teaser_saison2627_1300x1080_01_abo.jpgSubscritions
...1_teaser_saison2627_1300x1080_02_met.jpgThe Met Museum Experience
...60311_teaser_saison2627_1300x1080_ki.jpgMan, machine, music
..._teaser_saison2627_1300x1080_salvant.jpgJazz-Residenz Cécile McLorin Salvant
...1_teaser_saison2627_1300x1080_nights.jpgAlte Oper Nights
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...2x418_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...0x300_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
...__320x300_crop_subsampling-2_upscale.pngNo alt attribute provided
...0x300_q85_crop_subsampling-2_upscale.jpgNo alt attribute provided
Video URLWidthHeight
...b/aof_saison2627_1280x720_hero_final.mp4

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Highlights
H2 Discover
H2 Open house
H2 Discover the new season!
H2 Musical season at the Alte Oper
H2 Celebrate and meet in style
H3 Alte Oper International
H3 Young Alte Oper
H3 Stage free
H3 Beginner
H3 Green Alte Oper
H3 Future house
Some anchor texts are used more than once.
2 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.alteoper.de/en/Anchor Skip to content
A-TITLE Skip to content
https://www.alteoper.de/enNo Text
https://www.alteoper.de/enNo Text
/en/programmeProgramme
/en/subscriptionsSubscriptions
https://www.alteoper.de/en/visitVisit
/en/pegasus/familiesPegasus
/en/kongressConferences
https://shop.alteoper.de/websh...External Subdomain No Text
https://www.alteoper.de/dede
/en/programmeText duplicate Programme
/en/subscriptionsText duplicate Subscriptions
https://www.alteoper.de/en/visitText duplicate Visit
/en/pegasus/familiesText duplicate Pegasus
/en/kongressText duplicate Conferences
/en/engagementEngagement
/en/aof-internationalAlte Oper International
/en/ourhouseOur house
/en/season-2026-27Nofollow Discover now!
A-TITLE Discover now!
/en/programmeNofollow What's On
A-TITLE What's On
/en/programme/orchesterfest-sa...Mon 01 Jun 20:00 Großer Saal Orchesterfest: Sächsische Staatskapelle Dresden Buy ticket
IMG-ALT Daniele Gatti conducts an orchestra
/en/programme/alexander-malofe...Sat 06 Jun 20:00 Mozart Saal Alexander Malofeev, Klavier Buy ticket
IMG-ALT Portrait of Alexander Malofejew
/en/programme/orchestra-of-the...Sat 06 Jun 20:00 Großer Saal Orchestra of the 18th Century Buy ticket
IMG-ALT Portrait of Jean Guihen-Queyras
/en/programme/frankfurter-oper...Mon 08 Jun 20:00 Großer Saal Frankfurter Opern- und Museumsorchester Wiedersehen mit einem Freund Buy ticket
IMG-ALT Portrait of Sebastian Weigle
/en/programme/hr-sinfonieorche...Fri 12 Jun 20:00 Großer Saal hr-Sinfonieorchester Brahms 4 Buy ticket
IMG-ALT Vilde Frang
/en/programmeNofollow Text duplicate What's On
A-TITLE What's On
/en/subscriptionworldSubscritions There's music in it!
/en/festivals-and-highlights/t...The Met Museum Experience Music and visual arts
/en/festivals-and-highlights/m...Man, machine, music The AI-Festival
/en/festivals-and-highlights/j...Jazz-Residenz Cécile McLorin Salvant
/en/festivals-and-highlights/a...Alte Oper Nights Urban Vibe Festival
/en/aof-internationalText duplicate Alte Oper International
https://www.alteoper.de/en/jungYoung Alte Oper You can never be too young!
/en/participateStage free Our participatory projects
/en/knowledgeBeginner For newcomers and the curious
/en/climateGreen Alte Oper Our commitment to climate protection
/en/futurehouseFuture house Creating together
/en/season-2026-27Nofollow to the season 2026/27
A-TITLE to the season 2026/27
/en/christmas-2026Nofollow Information und Tickets
A-TITLE Information und Tickets
/en/kongressNofollow Kongresse und Events
A-TITLE Kongresse und Events
/en/contactContact
https://www.alteoper.de/en/pressPress
/en/concertarchiveKonzertarchiv
/en/publicationsPublications
https://www.alteoper.de/en/teamTeam
https://www.alteoper.de/en/careerCareer
/en/general-terms-and-conditionsGeneral terms and conditions
/en/data-privacyData privacy
/en/imprintImprint
https://www.instagram.com/alte...External Subdomain No Text
https://www.facebook.com/alteo...External Subdomain No Text
https://www.youtube.com/user/A...External Subdomain No Text
/en/newsletterNewsletter Subscribe
https://www.ing.de/New window External Subdomain A-TITLE Main sponsor

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.alteoper.de/en/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.21 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (370 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 27 May 2026 03:41:26 GMT
content-typetext/html; charset=utf-8
cache-controlmax-age=600
expiresWed, 27 May 2026 03:51:26 GMT
etag"5c642-UDSsARpsfJ+kI6K58fYhtzkD6w0"
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=63072000; includeSubdomains; preload
x-cache-statusEXPIRED
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 101 referring domains.
This page has 179 backlinks.
This page has backlinks from 72 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#############################################
### Copyright: MIR MEDIA - Digital Agentur
### Version 1.0
#############################################

### disallow bad user agents ###
User-agent: *

### logins ###
Disallow: /admin/
Disallow: /admin/*

### API ###
Disallow: /de/api/*
Disallow: /en/api/*

### Disallow Queries ###
Disallow: /*?*

User-agent: MJ12bot
Disallow:/

Similar sites

Search preview

www.alteoper.de
Home | Alte Oper Frankfurt
Behind the historic façade of the former Frankfurt Opera House lies a vibrant concert and congress centre that, despite its versatility.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Oper75%Check
Alte Oper70%Check
Alte Oper Frankfurt65%Check
Alte64%Check
house54%Check
Sat46%Check
Season43%Check
Discover43%Check
Season 2026 2740%Check
International38%Check
Show more keywords and terms

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