Slf.ch - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
80% 
Page structure
79% 
Link structure
65% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.18 s
File size
49.80 kB
Words
549
Media files
14
Number of links
46 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
SLF Home
The page title is too short. (97 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.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.slf.ch/en/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Language defined in meta tags: en-us
Language defined in HTTP-Equiv meta tag: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
generatorTYPO3 CMS
robotsindex,follow
viewportwidth=device-width, initial-scale=1.0
google-site-verification6y0O6u9XjtbKnSKH2BVG2O85MiczkDiNvgk7EGudzFc
languageen-US
format-detectiontelephone=no
copyright2024
langen-us
twitter:cardsummary
twitter:imagehttps://www.slf.ch/fileadmin/_processed_/5/5/csm_2301-DE_Footer_diagonal_169_164b5b04f2.png
twitter:titleSLF Home
og:imagehttps://www.slf.ch/fileadmin/_processed_/5/5/csm_2301-DE_Footer_diagonal_169_c26c37cf02.png
og:image:urlhttps://www.slf.ch/fileadmin/_processed_/5/5/csm_2301-DE_Footer_diagonal_169_c26c37cf02.png
og:image:width1200c
og:image:height630c
og:typewebsite
og:titleSLF Home
og:urlhttps://www.slf.ch/en/
content-languageen-US
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 549 words. That's ok.
29.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
10 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.6 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 usage of strong and bold tags is perfect. We recommend the use of up to 11 tags for this page.
Image SEO
(Somewhat important)
10 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.

Media list

URLAlt attributeTitle
/fileadmin/logos/SLF-Logo-Colored.svgNo alt attribute provided
/fileadmin/logos/SLF-Logo-Print.svgPrint Logo
...ocessed_/9/b/csm_stillpia_4a7d43a483.jpgNo alt attribute provided
.../b/csm_IMG_2473aufgehellt_164541adbe.jpgSLF-Leiter Jürg Schweizer (rechts) und der neue CEO der RAMMS AG Marc Christen unterzeichnen die Verträge für das neue Spin-off. (Foto: Jochen Bettzieche / SLF)
...processed_/7/b/csm_FotoDZ_cd9f9a73a5.jpgEin SLF-Mitarbeiter notiert Vegetations-Daten an einer IMIS-Station im Bäretälli bei Davos. (Foto: Christian Rixen / SLF)
...cessed_/9/9/csm_IMG_6653_2f93c98ad0.jpegNo alt attribute provided
...rs_Practice_meets_science_c211fed5f3.jpgNo alt attribute provided
...vatsch_RST_MLichtenegger_a8626b2fdf.jpegNo alt attribute provided
...ckoff2023_ZH_Excursion_17_489d71261a.jpgNo alt attribute provided
...ed_/3/e/csm_portrait_2022_6013f08638.jpgJohan Gaume (SLF)
...m_120101_001_Hoehwald-001_ce3d7347f6.jpgNo alt attribute provided
..._/1/8/csm_teaserbild_haus_f77a16fd4f.jpgNo alt attribute provided
...0601_AAgrusti_2_Mischabel_87dfc8a093.jpgNo alt attribute provided
...csm_Footer_diagonal_en_de_68e08e13e2.pngNo alt attribute provided

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 Hauptnavigation
H2 Metanavigation
H2 Mobile Navigation
H2 Research for people and the environment in a changing world ¶
H2 Language menu
H2 Footernavigation
H4 NEWS
H4 Training course «Practice meets science» – register now
H4 No recovery for permafrost in Switzerland
H4 Cities as habitats
H4 When stones start rolling
H4 How much water is there in snow?
H4 Cost-cutting measures at WSL
H4 AvaBlog
H4 current AvaBlog (in German) current AvaBlog (in French)
H4 SLF and WSL websites
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
10 links don't have an anchor text.
There are 4 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.slf.ch/en/No Text
https://whiterisk.ch/en/condit...External Avalanche bulletin and snow situation
/en/avalanche-bulletin-and-sno...More information
https://www.slf.ch/en/snow/Snow
https://www.slf.ch/en/avalanches/Avalanches
/en/natural-hazards/Natural hazards
/en/mountain-ecosystems/Mountain ecosystems
https://www.slf.ch/en/permafrost/Permafrost
/en/metanavigation/focus/Focus
/en/about-the-slf/projects/Projects
/en/about-the-slf/publications/Publications
/en/about-the-slf/services-and...Services and products
/en/about-the-slf/About the SLF
/en/metanavigation/climate-cha...CERC research centre
https://www.slf.ch/en/search/Search
A-TITLE Search
https://www.slf.ch/en/search/Text duplicate Search
A-TITLE Search
/en/news/lasers-for-more-road-...Trivial anchor text
read more
/en/news/lasers-for-more-road-...No Text
/en/news/lasers-for-more-road-...No Text
/en/news/first-spin-off-at-the...Text duplicate Trivial anchor text
read more
/en/news/first-spin-off-at-the...IMG-ALT SLF-Leiter Jürg Schweizer (rechts) und der neue CEO der RAMMS AG Marc Christen unterzeichnen die Verträge für das neue Spin-off. (Foto: Jochen Bettzieche / S...
/en/news/first-spin-off-at-the...No Text
/en/news/snow-or-plant/Text duplicate Trivial anchor text
read more
/en/news/snow-or-plant/IMG-ALT Ein SLF-Mitarbeiter notiert Vegetations-Daten an einer IMIS-Station im Bäretälli bei Davos. (Foto: Christian Rixen / SLF)
/en/news/snow-or-plant/No Text
/en/news/drone-flights-for-pho...Text duplicate Trivial anchor text
read more
/en/news/drone-flights-for-pho...No Text
/en/news/drone-flights-for-pho...No Text
/en/replaced-with-js
A-TITLE Link to this headline
/en/about-the-slf/news/NEWS
/en/about-the-slf/events-and-c...New window No Text
/en/about-the-slf/events-and-c...New window Training course «Practice meets science» – register now
https://scnat.ch/de/uuid/i/0e9...New window External No Text
https://scnat.ch/de/uuid/i/0e9...New window External No recovery for permafrost in Switzerland
https://www.wsl.ch/en/publicat...New window External Subdomain No Text
https://www.wsl.ch/en/publicat...New window External Subdomain Cities as habitats
https://ethz.ch/en/news-and-ev...New window External IMG-ALT Johan Gaume (SLF)
https://ethz.ch/en/news-and-ev...New window External When stones start rolling
/en/news/how-much-water-is-the...No Text
/en/news/how-much-water-is-the...How much water is there in snow?
/en/news/far-reaching-cost-cut...No Text
/en/news/far-reaching-cost-cut...Cost-cutting measures at WSL
/en/about-the-slf/news/All news
/en/avalanche-bulletin-and-sno...AvaBlog
https://www.slf.ch/de/Deutsch
A-TITLE Sprache auf Deutsch wechseln
https://www.slf.ch/fr/Français
A-TITLE Passer à la version française
https://www.slf.ch/it/Italiano
A-TITLE Andare alla versione italiana
https://www.slf.ch/en/English
A-TITLE Go to English version
/en/about-the-slf/portrait/con...Contact
/en/about-the-slf/media/Media
/en/ueber-das-slf/news/newslet...Newsletter
/en/about-the-slf/terms-and-co...Terms and conditions
https://www.youtube.com/channe...New window External Subdomain Youtube
A-TITLE Youtube
https://twitter.com/SLFDavosNew window External Twitter
A-TITLE Twitter
https://www.facebook.com/SLFDavosNew window External Subdomain Facebook
A-TITLE Facebook
https://www.instagram.com/slfd...New window External Subdomain Instagram
A-TITLE Instagram
https://www.linkedin.com/compa...New window External Subdomain Linkedin
A-TITLE Linkedin
https://www.wsl.ch/New window External Subdomain WSL
A-TITLE WSL
/en/publications/the-city-habi...New window Subdomain No Text
https://whiterisk.ch/en/welcomeNew window External whiterisk.ch
https://www.natural-hazards.ch...New window External Subdomain natural-hazards.ch
https://ccamm.slf.ch/en/New window External Subdomain ccamm.slf.ch
https://cerc.slf.ch/en/New window External Subdomain cerc.slf.ch
https://www.envidat.ch/New window External Subdomain Anchor envidat.ch
https://www.wsl.ch/en/New window External Subdomain wsl.ch

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.slf.ch/en/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.18 seconds.
The file size of the HTML document is fine (50 kB).

HTTP Response Header

NameValue
servernginx/1.18.0 (Ubuntu)
dateSat, 24 Aug 2024 14:51:58 GMT
content-typetext/html; charset=utf-8
content-languageen
cache-controlprivate, no-store
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 41 referring domains.
This page has 2,926 backlinks.
This page has backlinks from 34 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

Allow: /                                      # Allow bot to enter
Disallow: /typo3/                             # Nothing to see here
Disallow: /*?id=*                             # Disable non-realurl
Disallow: /*&L=*                              # Disable non-realurl

Similar sites

Search preview

www.slf.ch
SLF Home

Most important keywords

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

KeywordResultRecheck
SLF60%Check
Avalanche Research SLF44%Check
WSL43%Check
AvaBlog43%Check
Navigation43%Check
Practice40%Check
meets40%Check
science40%Check
WSL Institute40%Check
Research38%Check
Show more keywords and terms

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