Onwhiteclinic.com - SEO Checker

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Overview of the SEO Check
Meta information
84% 
Page quality
66% 
Page structure
91% 
Link structure
66% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.17 s
File size
335.20 kB
Words
1364
Media files
32
Number of links
49 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ONWhite | Blanqueamiento X Dentistas en Madrid | Desde 199€
The length of the page title is perfect. (573 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Clínica especializada EXCLUSIVAMENTE en blanqueamiento dental | Blanqueamiento en clínica 1 sesión de 24 min | Blanqueamiento en casa y para dientes sensibles.
The meta description is too long: 1039 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://onwhiteclinic.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es-es
Server location: United States of America
The following language is defined by HTML: es-es
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
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
p:domain_verifya48c1c7bf2599c0b087bb0859c5d06a2
viewportwidth=device-width, initial-scale=1.0
mobile-web-app-capableyes
apple-mobile-web-app-capableyes
apple-mobile-web-app-titleONWhite | Blanqueamiento X Dentistas - Primera clínica en España dedicada exclusivamente al blanqueamiento dental. Tecnología de última generación al mejor precio. ¡Pide cita!
descriptionClínica especializada EXCLUSIVAMENTE en blanqueamiento dental | Blanqueamiento en clínica 1 sesión de 24 min | Blanqueamiento en casa y para dientes sensibles.
robotsmax-image-preview:large
generatorWP Rocket 3.23
ti-site-dataeyJyIjoiMTowITc6MCEzMDowIiwibyI6Imh0dHBzOlwvXC9vbndoaXRlY2xpbmljLmNvbT90aS1vbmxpbmUtdXNlcnMtZ29vZ2xlPTEmYW1wO3A9JTJGJmFtcDtfd3Bub25jZT04MmEyM2Q1NGQ5In0=
langes-es
twitter:cardsummary_large_image
twitter:titleONWhite | Blanqueamiento X Dentistas en Madrid | Desde 199€
twitter:descriptionClínica especializada EXCLUSIVAMENTE en blanqueamiento dental | Blanqueamiento en clínica 1 sesión de 24 min | Blanqueamiento en casa y para dientes sensibles.
twitter:imagehttps://onwhite.b-cdn.net/wp-content/uploads/2026/04/favicon.svg
og:localees_ES
og:site_nameONWhite | Blanqueamiento X Dentistas | Primera clínica en España dedicada exclusivamente al blanqueamiento dental. Tecnología de última generación al mejor precio. ¡Pide cita!
og:typewebsite
og:titleONWhite | Blanqueamiento X Dentistas en Madrid | Desde 199€
og:descriptionClínica especializada EXCLUSIVAMENTE en blanqueamiento dental | Blanqueamiento en clínica 1 sesión de 24 min | Blanqueamiento en casa y para dientes sensibles.
og:urlhttps://onwhiteclinic.com/
og:imagehttps://onwhite.b-cdn.net/wp-content/uploads/2026/04/favicon.svg
og:image:secure_urlhttps://onwhite.b-cdn.net/wp-content/uploads/2026/04/favicon.svg
og:image:width180
og:image:height180
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
These Typos were found:
  • lider => líder
  • rapida => rápida
This page contains 1364 words. That's ok.
28.2% 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.
20 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 13.9 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (34). We recommend using a maximum of 27 tags for this page.
Some tags are too long. With 84 characters this one is longer than 70 characters:
"tecnología de ultrasonidos. 39 € con blanqueamiento dental. precio individual: 69 €."
Image SEO
(Somewhat important)
22 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
data:[...] Base64ONWhite | Blanqueamiento X Dentistas
data:[...] Base64ONWhite | Blanqueamiento X Dentistas
data:[...] Base64ES
data:[...] Base64EN
data:[...] Base64ONWhite | Blanqueamiento X Dentistas
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64EN
data:[...] Base64ES
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
Clínica nº1 en blanqueamientos dentales en Madrid
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Clínica nº1 en blanqueamientos dentales en Madrid
H2 5/5
H2 5/5 Duplicate text
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Única clínica dental especializada en España en blanqueamiento dental
H2 Clínica dental mejor valorada para blanqueamientos dentales
H2 ¿Por qué elegirnos?
H2 ¿Por qué On White?
H2 Resultados visibles
H2 Tu sonrisa desde 51€/mes
H2 51€
H2 Ya tienen sonrisa On White
H2 Elige tu fecha y hora de forma rápida y sencilla
H2 Preguntas frecuentes
H2 Un detalle que se nota.
Blanqueamiento dental profesional
H3 No products in the cart.
H3 una única visita, menos de 1 hora
H3 Clínica mejor valorada
H3 opción de financiación desde 51€/mes
H3 FGM marca premium líder en el mercado
H4 FINANCIACIÓN
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
5 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://onwhiteclinic.com/Anchor Skip to primary navigation
https://onwhiteclinic.com/Anchor Skip to content
https://wa.me/34603913091External Whatsapp
https://maps.app.goo.gl/iCReSE...New window External Subdomain Fuencarral 92, 28004
/tratamientos/Tratamientos
/tratamientos/blanqueamiento-c...Blanqueamiento clínico
/tratamientos/blanqueamiento-e...Blanqueamiento en casa
/tratamientos/blanqueamiento-d...Blanqueamiento dientes sensibles
/tratamientos/blanqueamiento-c...Blanqueamiento combinado
/tratamientos/profilaxis/Higiene dental
/en-que-consiste/En qué consiste
/producto/regalar-blanqueamien...Regalar
https://onwhiteclinic.com/IMG-ALT ONWhite | Blanqueamiento X Dentistas
/nosotros/Nosotros
/noticias/Noticias
https://onwhiteclinic.com/IMG-ALT ES
https://onwhiteclinic.com/en/IMG-ALT EN
A-TITLE Cambiar a EN
https://onwhiteclinic.com/Anchor Coge tu cita
https://wa.me/34603913091External No Text
https://onwhiteclinic.com/Text duplicate IMG-ALT ONWhite | Blanqueamiento X Dentistas
/tratamientos/Text duplicate Tratamientos
/tratamientos/blanqueamiento-c...Text duplicate Blanqueamiento clínico
/tratamientos/blanqueamiento-e...Text duplicate Blanqueamiento en casa
/tratamientos/blanqueamiento-d...Text duplicate Blanqueamiento dientes sensibles
/tratamientos/blanqueamiento-c...Text duplicate Blanqueamiento combinado
/tratamientos/profilaxis/Text duplicate Higiene dental
/en-que-consiste/Text duplicate En qué consiste
/producto/regalar-blanqueamien...Text duplicate Regalar
/nosotros/Text duplicate Nosotros
/noticias/Text duplicate Noticias
https://onwhiteclinic.com/Anchor Text duplicate Coge tu cita
/tratamientos/blanqueamiento-e...No Text
/tratamientos/blanqueamiento-e...Ver tratamiento
/tratamientos/blanqueamiento-c...No Text
/tratamientos/blanqueamiento-c...Text duplicate Ver tratamiento
/tratamientos/blanqueamiento-c...No Text
/tratamientos/blanqueamiento-c...Text duplicate Ver tratamiento
/tratamientos/blanqueamiento-d...No Text
/tratamientos/blanqueamiento-d...Text duplicate Ver tratamiento
/tratamientos/profilaxis/No Text
/tratamientos/profilaxis/Text duplicate Ver tratamiento
https://onwhiteclinic.com/Anchor Text duplicate Coge tu cita
https://onwhiteclinic.com/Anchor Coge tu cita hoy mismo
/preguntas-frecuentes/Ver todas
/producto/regalar-blanqueamien...¡Regala blanqueamiento!
https://www.instagram.com/onwh...External Subdomain No Text
https://www.instagram.com/onwh...External Subdomain #sonrisaonwhite @onwhiteclinic
https://maps.app.goo.gl/iCReSE...External Subdomain Text duplicate Fuencarral 92, 28004
https://wa.me/34603913091External Text duplicate Whatsapp
/aviso-legal-2/Aviso legal
/politica-de-proteccion-de-dat...Política de protección de datos
/politica-de-privacidad-y-cook...Política de Privacidad y cookies
https://onwhiteclinic.com/en/Text duplicate IMG-ALT EN
A-TITLE Cambiar a EN
https://onwhiteclinic.com/Text duplicate IMG-ALT ES
A-TITLE Cambiar a ES
/calendly-mailing/?utm_campaig...Reservar cita para HOY (-20%)
/calendly-mailing/?utm_source=...Rerserva para mañana

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://onwhiteclinic.com/"
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 excellent with 0.17 seconds.
The file size of the HTML document is fine (335 kB).

HTTP Response Header

NameValue
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
last-modifiedThu, 22 Oct 2026 10:23:50 GMT
cache-controlmax-age=0
expiresThu, 22 Oct 2026 16:07:03 GMT
varyAccept-Encoding
content-encodinggzip
content-typetext/html; charset=UTF-8
dateThu, 22 Oct 2026 16:07:03 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 94 referring domains.
This page has 116 backlinks.
This page has backlinks from 70 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

onwhiteclinic.com
ONWhite | Blanqueamiento X Dentistas en Madrid | Desde 199€
Clínica especializada EXCLUSIVAMENTE en blanqueamiento dental | Blanqueamiento en clínica 1 sesión de 24 min | Blanqueamiento en casa y para dientes sensibles.

Most important keywords

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

KeywordResultRecheck
en blanqueamiento85%Check
Blanqueamiento84%Check
de blanqueamiento84%Check
en blanqueamiento dental80%Check
de blanqueamiento dental78%Check
Blanqueamiento Dental77%Check
Blanqueamiento en casa76%Check
en Madrid75%Check
de ONWhite74%Check
dental70%Check
Show more keywords and terms

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