Wsl.ch - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
83% 
Page structure
79% 
Link structure
73% 
Server
71% 
External factors
100% 
SEO Score
Response time
0.78 s
File size
50.80 kB
Words
624
Media files
13
Number of links
48 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Swiss Federal Research Institute WSL
The length of the page title is perfect. (345 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.
The length of the meta description is perfect. (900 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.wsl.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
descriptionThe Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.
robotsindex,follow
viewportwidth=device-width, initial-scale=1.0
google-site-verificationjsnMZw16anmFYGVnAVynva8gNugMJfYgf_iRLgf1S-A
languageen-US
format-detectiontelephone=no
copyright2024
langen-us
twitter:cardsummary
twitter:titleSwiss Federal Research Institute WSL
twitter:descriptionThe Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.
og:typewebsite
og:titleSwiss Federal Research Institute WSL
og:descriptionThe Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.
og:urlhttps://www.wsl.ch/en/
content-languageen-US
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 624 words. That's ok.
27.9% 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.
11 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 20.85 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.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
6 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/WSL-Logo.svgNo alt attribute provided
/fileadmin/logos/WSL-Logo-Print.svgPrint Logo
...ary_Bernon_USDA_CC-BY-3.0_43c10de18b.jpgDie marmorierte Baumwanze (Halyomorpha halys) konnte sich dank nicht-einheimischer Pflanzenarten in der Schweiz massenhaft vermehren. (Foto: Gary Bernon, USDA, CC-BY-3.0)
...8/csm_Murgang_KI_Clarissa_740de77f25.jpgNo alt attribute provided
.../8/csm_1_Amber_at_Dischma_6df0312cb0.jpgSLF-Hydrologin Amber van Hamel hält einen Sensor in den Dischmabach bei Davos. (Foto: Amber van Hamel / SLF)
...-2-Pano_Geopraevent_small_dbaf7315b2.jpgBeim Bergsturz in Brienz vom 16. Juni 2023 wälzten sich 1,2 Millionen Tonnen Gestein ins Tal. (Foto: Geopraevent)
...c/csm_PL_Reinhard_Laessig_c21aa69c78.jpgDas Pflanzenschutzlabor an der WSL. (Bild: Reinhard Lässig)
.../3/csm_OurChangingForests_fed871ffc2.pngNo alt attribute provided
...oC-flux_Ps4_20x_UWW-32271_a2f99d843a.jpgSchnitt durch eine Wald-Föhrennadel. (Bild: Pierre Vollenweider, WSL).
.../_processed_/8/b/csm_Arve_32181495ba.pngNo alt attribute provided
...atural_Resources__RUB__2__a872fbdc0c.jpgHistorische Bauten des College of Natural Ressources, der Fakultät für natürliche Rohstoffe der Königlichen Universität von Bhutan in Lobesa. (Foto: Pema Eden / CNR-RUB)
...ocessed_/a/d/csm_LoicBlog_b9b40c3cb9.jpgNo alt attribute provided
...m_Footer_diagonal_EN_24_2_38d16e358a.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 The WSL's plant protection lab turns ten
H4 WSL co-produced short film wins award
H4 Small, but wow!
H4 Il dschember - purtret d'ün bös-ch da god da muntogna
H4 Happy research
H4 The state of biodiversity is not a matter of opinion
H4 Events
H4 Flechten-Einführung 2025
H4 Tree health - from Cities to Forests
H4 Flechten im Wald 2025
H4 WSL websites
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
6 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 17 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.wsl.ch/en/No Text
https://www.wsl.ch/en/forest/Forest
https://www.wsl.ch/en/landscape/Landscape
/en/biodiversity/Biodiversity
/en/natural-hazards/Natural hazards
/en/snow-and-ice/Snow and Ice
/en/metanavigation/focus/Focus
https://www.wsl.ch/en/about-wsl/About WSL
/en/about-wsl/working-at-the-w...Jobs and careers
/en/about-wsl/projects/Projects
/en/about-wsl/publications/Publications
/en/about-wsl/services-and-pro...Services and products
https://www.wsl.ch/en/search/Search
A-TITLE Search
https://www.wsl.ch/en/search/Text duplicate Search
A-TITLE Search
/en/news/inviting-trouble-how-...Trivial anchor text
read more
/en/news/inviting-trouble-how-...IMG-ALT Die marmorierte Baumwanze (Halyomorpha halys) konnte sich dank nicht-einheimischer Pflanzenarten in der Schweiz massenhaft vermehren. (Foto: Gary Bernon, USD...
/en/news/inviting-trouble-how-...No Text
/en/news/climate-change-leads-...Text duplicate Trivial anchor text
read more
/en/news/climate-change-leads-...No Text
/en/news/climate-change-leads-...No Text
/en/news/hot-rivers-climate-ch...Text duplicate Trivial anchor text
read more
/en/news/hot-rivers-climate-ch...IMG-ALT SLF-Hydrologin Amber van Hamel hält einen Sensor in den Dischmabach bei Davos. (Foto: Amber van Hamel / SLF)
/en/news/hot-rivers-climate-ch...No Text
/en/news/internet-glass-fibers...Text duplicate Trivial anchor text
read more
/en/news/internet-glass-fibers...IMG-ALT Beim Bergsturz in Brienz vom 16. Juni 2023 wälzten sich 1,2 Millionen Tonnen Gestein ins Tal. (Foto: Geopraevent)
/en/news/internet-glass-fibers...No Text
/en/replaced-with-js
A-TITLE Link to this headline
/en/about-wsl/news/news/News
https://www.dora.lib4ri.ch/wsl...New window External Subdomain Anchor IMG-ALT Das Pflanzenschutzlabor an der WSL. (Bild: Reinhard Lässig)
https://www.dora.lib4ri.ch/wsl...New window External Subdomain Anchor The WSL's plant protection lab turns ten
https://vimeo.com/1015269470/e...New window External Anchor No Text
https://vimeo.com/1015269470/e...New window External Anchor WSL co-produced short film wins award
/en/publications/small-but-wow...IMG-ALT Schnitt durch eine Wald-Föhrennadel. (Bild: Pierre Vollenweider, WSL).
/en/publications/small-but-wow...Small, but wow!
/de/publikationen/die-arve-por...New window Subdomain Anchor No Text
/de/publikationen/die-arve-por...New window Subdomain Anchor Il dschember - purtret d'ün bös-ch da god da muntogna
/en/news/happy-research/IMG-ALT Historische Bauten des College of Natural Ressources, der Fakultät für natürliche Rohstoffe der Königlichen Universität von Bhutan in Lobesa. (Foto: Pema Ede...
/en/news/happy-research/Happy research
https://ethz.ch/de/news-und-ve...New window External No Text
https://ethz.ch/de/news-und-ve...New window External The state of biodiversity is not a matter of opinion
/en/about-wsl/news/news/All news
/en/about-wsl/events-and-courses/Events
/en/events-and-courses/flechte...Flechten-Einführung 2025
/en/events-and-courses/tree-he...Tree health - from Cities to Forests
/en/events-and-courses/flechte...Flechten im Wald 2025
/en/about-wsl/events-and-courses/All Events
https://www.wsl.ch/de/Deutsch
A-TITLE Sprache auf Deutsch wechseln
https://www.wsl.ch/fr/Français
A-TITLE Passer à la version française
https://www.wsl.ch/it/Italiano
A-TITLE Andare alla versione italiana
https://www.wsl.ch/en/English
A-TITLE Go to English version
/en/about-wsl/locations/Contact
/en/about-wsl/news/Media
/en/about-wsl/terms-and-condit...Terms and conditions
https://www.youtube.com/user/W...New window External Subdomain Youtube
A-TITLE Youtube
https://twitter.com/wsl_researchNew window External Twitter
A-TITLE Twitter
https://www.facebook.com/wslre...New window External Subdomain Facebook
A-TITLE Facebook
https://www.instagram.com/wslr...New window External Subdomain Instagram
A-TITLE Instagram
https://www.linkedin.com/compa...New window External Subdomain Linkedin
A-TITLE Linkedin
https://www.slf.ch/New window External Subdomain SLF
A-TITLE SLF
/en/publications/small-but-wow...No Text
https://www.waldwissen.net/New window External Subdomain waldwissen.net
https://www.lfi.ch/New window External Subdomain lfi.ch
https://www.envidat.ch/New window External Subdomain envidat.ch
https://www.slf.ch/en/New window External Subdomain slf.ch
https://www.drought.ch/en/New window External Subdomain drought.ch

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.wsl.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 of 0.78 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 4 CSS files. This may affect the page load time negatively.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (51 kB).

HTTP Response Header

NameValue
dateSun, 17 Nov 2024 12:22:28 GMT
servernginx/1.18.0 (Ubuntu)
strict-transport-securitymax-age=63072000
content-typetext/html; charset=utf-8
content-languageen
cache-controlprivate, no-store
content-encodinggzip
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 56 referring domains.
This page has 24,508 backlinks.
This page has backlinks from 52 different ip addresses.

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.wsl.ch
Swiss Federal Research Institute WSL
The Swiss Federal Research Institute WSL studies forest, landscape, biodiversity, natural hazards and snow and ice. It is part of the ETH Domain.

Most important keywords

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

KeywordResultRecheck
WSL75%Check
Research Institute WSL69%Check
WSL Institute68%Check
Federal Research Institute WSL67%Check
Research66%Check
Landscape Research WSL65%Check
Research Institute63%Check
Swiss Federal Research62%Check
Swiss Federal Research Institute61%Check
Swiss58%Check
Show more keywords and terms

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