- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.02 s
File size
37.70 kB
Media files
Number of links
58 internal / 4 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Theater Basel
The page title is too short. (128 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
(Critically important)
There are no problems in accessing the website.
Canonical URL
There is a valid canonical link specified.
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Germany
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
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.
(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.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

favicon-generatorDrupal responsive_favicons +
GeneratorDrupal 8 (Thunder |
viewportwidth=device-width, initial-scale=1.0
og:site_nameTheater Basel
og:titleTheater Basel | Startseite
og:descriptionMit 21 Premieren, acht Übernahmen, dem Foyer Public und einem umfassenden Rahmenprogramm startet die neue künstlerische Leitung mit Intendant Benedikt von Peter am 9. Oktober 2020 in die Spielzeit 20/21.

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Page quality

(Critically important)
There are only 463 words on this page. Good pages should have about 1,000 words of useful content.
32.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
7 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 17.92 words is good.
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 5 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" 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 9 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
Theater Basel
Too many H1 headings
The H1 heading is too short (13 characters). It should be at least 20 Characters long.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Theater Basel
H2 Meta navigation
H2 Metanavigation_Mobile
H2 Main navigation
H2 Wir bleiben geschlossen
H2 Online-Programm
H2 Ballett auf allen Bühnen Ballett
H2 Wann geht‘s weiter?
H2 Metamorphosen Schauspiel
H2 Stück Labor Schauspiel
H2 Hallo Baqa’a! Junges Haus
H2 Der Räuber Hotzenplotz Schauspiel
H2 Mund- und Nasenschutz
H2 Footer
H4 Billettkasse
H4 Immer aktuell
H4 Service
H4 Herzlichen Dank!
Some anchor texts are used more than once.
6 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 4 external links on this page.
LinkAttributesAnchor text Direkt zum Inhalt
/de/kalenderKalender Subdomain Ticketshop
/de/kontaktKontakt Logo Theater Basel, go to homepage Subdomain Text duplicate Ticketshop duplicate EN duplicate DE
/de/kalenderText duplicate Kalender
/de/premieren2021Premieren 20/21
/de/foyerpublicFoyer Public
/de/fuerkinderFür Kinder
/de/jungeshausJunges Haus
/de/fuerschulenFür Schulen
/de/altebillettkasseAlte Billettkasse
/de/ensembleteamEnsemble & Team
/de/dabeiseinDabei sein
/de/serviceundpreiseService & Preise
/de/anreiseundspielorteAnreise & Spielorte
/de/onlineprogrammNo Text
/sites/default/files/2021-03/B...Basler Konzept.pdf
/de/onlineprogrammZum Online-Programm
/de/ballettaufallenbuehnenBallett auf allen Bühnen Ballett ‹Israel Special› ab 26. März im Online-Programm
/de/ballettaufallenbuehnenNo Text
/de/newsletterNewsletter bestellen
A-TITLE Newsletter
/de/metamorphosenMetamorphosen Schauspiel Aufzeichnung 19. bis 26. März im Online-Programm
/de/metamorphosenText duplicate Info
/de/metamorphosenNo Text
/de/livestreamstuecklaborStück Labor Schauspiel Aufzeichnung 15. bis 22. März im Online-Programm
/de/livestreamstuecklaborText duplicate Info
/de/livestreamstuecklaborNo Text
/de/hallobaqaaHallo Baqa’a! Junges Haus Videodokumentation ab 5. März im Online-Programm
/de/hallobaqaaText duplicate Info
/de/hallobaqaaNo Text
/de/derraeuberhotzenplotzDer Räuber Hotzenplotz Schauspiel Musikvideos ab 19. Februar im Online-Programm
/de/derraeuberhotzenplotzText duplicate Info
/de/derraeuberhotzenplotzNo Text
/de/theaterschenkenAnchor Trivial anchor text
/de/kalenderZum Kalender
A-TITLE Newsletter
/de/kontaktText duplicate Kontakt
/de/stellenprojekteStellen & Projekte
/de/agbAGB window External IMG-ALT Zur Instagram Seite von Theater Basel window External IMG-ALT Zur Facebook Seite von Theater Basel

Server configuration

HTTP redirects
(Critically important)
This page redirects to ""
HTTP header
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
(Somewhat important)
This page loads 5 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.02 seconds.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (38 kB).

HTTP Response Header

dateFri, 02 Apr 2021 20:17:56 GMT
serverApache/2.4.29 (Ubuntu)
cache-controlmax-age=3600, public
link<> rel="revision"
expiresSun, 19 Nov 1978 05:00:00 GMT
x-generatorDrupal 8 (
last-modifiedFri, 02 Apr 2021 20:17:56 GMT
content-typetext/html; charset=UTF-8

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 59 referring domains.
This page has 222 backlinks.
This page has backlinks from 56 different ip addresses.
Facebook popularity
(Somewhat important)
This page is not very popular on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


# robots.txt
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
# This file will be ignored unless it is at the root of your host:
# Used:
# Ignored:
# For more information about the robots.txt standard, see:

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview
Theater Basel

Most important keywords

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

Theater Basel69%Check
im Online-Programm43%Check
Main Navigation42%Check

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