Cssl.ch - SEO Checker

Overview of the SEO Check
Meta information
70% 
Page quality
43% 
Page structure
58% 
Link structure
96% 
Server
54% 
External factors
100% 
SEO Score
Response time
1.80 s
File size
147.90 kB
Words
416
Media files
3
Number of links
8 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CSSL | Plongée à Lausanne
The length of the page title is perfect. (255 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://cssl.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: fr
Language defined in HTML: en-us
Server location: United States of America
The given language en does not conform with the detected language fr.
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
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
keywordscssl, plongée, lausanne, club, subaquatique, sous-marine
robotsmax-image-preview:large
generatorWordPress 5.8.9
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
msapplication-TileImagehttps://cssl.ch/wp-content/uploads/2019/05/cropped-logo-Officiel_sans-texte-carre-1-270x270.png
langen-us
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 416 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 30.33 words is high.
36.3% 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 39 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=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 8 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.
HTTPS
(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)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Centre de Sports Subaquatiques Lausanne
H2 Pourquoi plonger à Lausanne ?
H2 Parce que les perches et leurs œufs, les lottes, les écrevisses, les brochets, les ombles sont quand même mignons
H2 Parce qu'avec un si joli lac, ce serait dommage de ne pas s'en servir !
H2 Parce qu'il y a de jolies falaises
H2 Parce que les perches et leurs œufs, les lottes, les écrevisses, les brochets, les ombles sont quand même mignons Duplicate text
H2 Parce qu'avec un si joli lac, ce serait dommage de ne pas s'en servir ! Duplicate text
H2 Parce qu’on est tellement bien sous l’eau, ce serait bête de devoir attendre les vacances pour ressentir ça !
H2 Parce que les perches et leurs œufs, les lottes, les écrevisses, les brochets, les ombles sont quand même mignons Duplicate text
H2 Parce qu'avec un si joli lac, ce serait dommage de ne pas s'en servir ! Duplicate text
H2 Parce que lorsqu’on plonge toute l’année, on devient un plongeur aguerri, et on profite mieux de ses plongées aux Maldives
H2 Parce que les perches et leurs œufs, les lottes, les écrevisses, les brochets, les ombles sont quand même mignons Duplicate text
H2 Parce qu'avec un si joli lac, ce serait dommage de ne pas s'en servir ! Duplicate text
H2 Parce que c'est plus proche et moins cher que les Maldives, et idéal pour se former et gagner en expérience
H2 Parce que les perches et leurs œufs, les lottes, les écrevisses, les brochets, les ombles sont quand même mignons Duplicate text
H2 Parce qu'avec un si joli lac, ce serait dommage de ne pas s'en servir ! Duplicate text
H2 Pour aller voir l'Hirondelle
H2 Parce que l’après-plongée est un moment convivial à ne pas rater
H2 Contactez-nous
H2 Liens
H3 Crédit photo: @Michael Becker
H3 Crédit photo: @Michael Becker Duplicate text
There are too few (8) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 9 external links on this page.
LinkAttributesAnchor text
https://cssl.ch/IMG-ALT CSSL
https://cssl.ch/ACCUEIL
/activites-et-formations/ACTIVITES ET FORMATIONS
https://cssl.ch/a-propos-du-cssl/A PROPOS DU CSSL
https://cssl.ch/contact/CONTACT
https://cssl.ch/acces-membres/ESPACE MEMBRES
/activites-et-formations/Centre de Sports Subaquatiques Lausanne
/activites-et-formations/Nos activités
https://www.facebook.com/CSSLa...New window External Subdomain facebook
https://goo.gl/maps/nzKkY9ojFi...New window External Chemin des Pêcheurs 3, 1007 Lausanne
https://www.facebook.com/CSSLa...New window External Subdomain Follow
A-TITLE Follow on Facebook
http://meteolakes.ch/New window External Température du lac en 3D Meteolakes
A-TITLE Meteolakes
http://www.cmas.ch/New window External Subdomain CMAS Swiss Diving
A-TITLE CMAS
https://www.susv.ch/fr/New window External Subdomain Fédération Suisse de Sports Subaquatiques FSSS
A-TITLE FSSS
https://sauvetage-ouchy.ch/New window External Société Internationale de Sauvetage du Léman, Section d’Ouchy
A-TITLE Sauvetage Ouchy
https://www.ouchy.ch/New window External Subdomain Société de Développement et des Intérêts d’Ouchy
A-TITLE SDIO
https://www.facebook.com/CSSLa...External Subdomain Facebook

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://cssl.ch/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.80 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.
This page loads 23 CSS files. This may affect the page load time negatively.
This page loads 39 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (148 kB).

HTTP Response Header

NameValue
dateThu, 02 May 2024 01:15:48 GMT
serverApache
link<https://cssl.ch/wp-json/>; rel="https://api.w.org/"
content-encodinggzip
varyAccept-Encoding
strict-transport-securitymax-age=16000000
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 43 referring domains.
This page has 80 backlinks.
This page has backlinks from 35 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Search preview

Most important keywords

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

KeywordResultRecheck
CSSL61%Check
Lausanne54%Check
Plongée54%Check
Plongée Lausanne54%Check
photo47%Check
Michael47%Check
Becker47%Check
lac43%Check
Maldives43%Check
perches43%Check

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