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Aha.ch - SEO Checker

Overview of the SEO Check

Meta information

97%

Page quality

83%

Page structure

79%

Link structure

45%

Server

70%

External factors

75%

SEO Score

SEO Score Widget

Response time

1.20 s

File size

54.50 kB

Words

539

Media files

Number of links

115 internal / 12 external

Task list of SEO Improvements 4 Tasks

The page is using alternate links, but has no alternate link pointing to itself.Very important!
Improve the page response time.Very important!
Use good alternative descriptions (alt attributes) for your images.Important!
Remove duplicate heading texts.Important!

Meta specifications 97% achieved

Title

(Critically important)

aha! Swiss Allergy Centre - aha! Swiss Allergy Centre

There are word repetitions in the page title.

The length of the page title is perfect. (478 pixels out of 580 max pixel length)

Meta Title

Meta description

(Critically important)

In Switzerland three million people are affected by some form of allergy and intolerance. aha! Swiss Allergy Centre supports you on this path.

The length of the meta description is perfect. (864 pixels out of 1000 max pixel length)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

No canonical link is specified.

Canonical Tag

Language

(Somewhat important)

Language detected in text: en

Language defined in HTML: en

Server location: Switzerland

The following language is defined by HTML: en

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

The alternate link to the page itself is missing.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width, initial-scale=1.0, user-scalable=yes
dc.title	aha! Swiss Allergy Centre - aha! Swiss Allergy Centre
description	In Switzerland three million people are affected by some form of allergy and intolerance. aha! Swiss Allergy Centre supports you on this path.
dc.description	In Switzerland three million people are affected by some form of allergy and intolerance. aha! Swiss Allergy Centre supports you on this path.
msapplication-TileColor	#da532c
theme-color	#ffffff
google-site-verification	4LvBRbIbj_xRt5ox9uayYEs_T-UkdSOdvJzkSuK57iw
facebook-domain-verification	gn4sdl3v77aa9ssarnoq3usgr392qw
lang	en
og:url	https://www.aha.ch/swiss-allergy-centre/home
og:title	aha! Swiss Allergy Centre - aha! Swiss Allergy Centre
og:description	In Switzerland three million people are affected by some form of allergy and intolerance. aha! Swiss Allergy Centre supports you on this path.
og:type	website
og:image	https://www.aha.ch/userfiles/images/Startseite/aha-logo-2.jpg
charset	utf-8

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Page quality 83% achieved

Content

(Critically important)

This page contains 539 words. That's ok.

23.9% 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.

5 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 11.31 words is good.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

No Apple touch icon is specified.

A viewport "width=device-width, initial-scale=1.0, user-scalable=yes" is provided.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The following tag is repeated too often: aha!infoline 031 359 90 50

Strong and Bold Tags

Image SEO

(Somewhat important)

8 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

This page is optimized perfectly for social networks.

Social Sharing

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.

HTTPS

Media list

URL	Alt attribute	Title
https://www.aha.ch/art/aha/logo.svg	No alt attribute provided
...anzen/aha-allergies-and-intolerances.jpg	No alt attribute provided
/userfiles/images/haut/aha-skin.jpg	No alt attribute provided
/art/aha/icons/call-answer.svg	No alt attribute provided
https://www.aha.ch/art/aha/icons/write.svg	No alt attribute provided
...files/images/sidebar/aha-spendenbueb.jpg	Donations to the Foundation aha! Swiss Allergy Centre
.../images/sidebar/aha-schulungen-kurse.jpg	Interdisciplinary knowledge on clinical pictures, therapies and their practical implementation.
...O_Huckepack_Online_Logo_250x250px_DE.gif	No alt attribute provided
/userfiles/images/logos/logo-sqs.png	No alt attribute provided
/userfiles/images/logos/guetesiegel.jpg	No alt attribute provided

Page structure 79% achieved

H1 heading

(Critically important)

aha! Swiss Allergy Centre

The H1 heading is perfect.

H1-H6 headings

Headings

(Important)

Some headings occur twice on the page.

Some headings do not have any content.

H1-H6 headings

Heading structure

Heading level	Content
H1	aha! Swiss Allergy Centre
H2	Allergies and intolerances
H2	Food allergies
H2	Food intolerances
H2	Pollen allergy (hay fever)
H2	Animal allergy
H2	Good to know
H2	Skin
H2	Offers for those affected
H2	Advice and sharing of information
H2	Infotheque
H2	Offers for professionals
H2	Medical professionals
H2	Help us
H2	Empty heading
H2	Help
H2	Courses and training
H2	Allergies – simple to explain
H2	aha! Swiss Allergy Centre Duplicate text
H2	Guidelines
H2	Help us Duplicate text
H2	Allergic?
H3	Anaphylaxis Training
H3	Allergies and intolerances Duplicate text
H3	Skin Duplicate text

Link structure 45% achieved

Internal links

(Important)

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.

4 links don't have an anchor text.

The number of internal links is ok.

None of the anchor texts is too long.

Internal Linking

External links

(Nice to have)

There are 12 external links on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
https://www.aha.ch/aha-about-us		About us
https://www.aha.ch/		Login
/allergiezentrum-schweiz/home?...		de
/centre-allergie-suisse/home?l...		fr
/centro-allergie-svizzera/home...		it
/swiss-allergy-centre/help/don...		MY DONATION
/swiss-allergy-centre/help/don...		My donation
/swiss-allergy-centre/offers/a...		No Text
https://www.aha.ch/	Subdomain	to homepage
/swiss-allergy-centre/allergie...		Allergies and intolerances
/swiss-allergy-centre/allergie...	Text duplicate	Allergies and intolerances
/swiss-allergy-centre/allergie...		Anaphylaxis (allergic shock)
/swiss-allergy-centre/allergie...		Chemical substances
/swiss-allergy-centre/allergie...		House dust mite allergy
/swiss-allergy-centre/allergie...		Insect venom allergies
/swiss-allergy-centre/allergie...		Latex allergy
/swiss-allergy-centre/allergie...		Drugs: allergies and intolerances
/swiss-allergy-centre/allergie...		Food allergies
/swiss-allergy-centre/allergie...	Text duplicate	Food allergies
/swiss-allergy-centre/allergie...		Food allergy
/swiss-allergy-centre/allergie...		Cross-reactions
/swiss-allergy-centre/allergie...		Peanut allergy
/swiss-allergy-centre/allergie...		Nut allergy
/swiss-allergy-centre/allergie...		Milk allergy
/swiss-allergy-centre/allergie...		Egg allergy
/swiss-allergy-centre/allergie...		Wheat allergy
/swiss-allergy-centre/allergie...		Food intolerances
/swiss-allergy-centre/allergie...	Text duplicate	Food intolerances
/swiss-allergy-centre/allergie...		Food intolerance
/swiss-allergy-centre/allergie...		Lactose intolerance
/swiss-allergy-centre/allergie...		Fructose malabsorption
/swiss-allergy-centre/allergie...		Coeliac disease (gluten intolerance)
/swiss-allergy-centre/allergie...		Histamine intolerance
/swiss-allergy-centre/allergie...		Pollen allergy (hay fever)
/swiss-allergy-centre/allergie...	Text duplicate	Pollen allergy (hay fever)
/swiss-allergy-centre/allergie...	Text duplicate	Pollen allergy (hay fever)
/swiss-allergy-centre/allergie...		Treatment of respiratory allergies
/swiss-allergy-centre/allergie...		Mould allergy
/swiss-allergy-centre/allergie...		Animal allergy
/swiss-allergy-centre/allergie...	Text duplicate	Animal allergy
/swiss-allergy-centre/allergie...		Animal hair allergy
/swiss-allergy-centre/allergie...		Allergies in animals
/swiss-allergy-centre/allergie...		Indoor plants
/swiss-allergy-centre/allergie...		Good to know
/swiss-allergy-centre/allergie...	Text duplicate	Good to know
/swiss-allergy-centre/allergie...		What is an allergy?
/swiss-allergy-centre/allergie...		A Simple Guide to Allergies
/swiss-allergy-centre/allergie...		Allergic march
/swiss-allergy-centre/allergie...		Allergy tests
/swiss-allergy-centre/allergie...		Allergy prevention
/swiss-allergy-centre/allergie...		Allergen-specific immunotherapy (desensitisation)
/swiss-allergy-centre/allergie...		Complementary medicine
/swiss-allergy-centre/skin		Skin
/swiss-allergy-centre/skin	Text duplicate	Skin
/swiss-allergy-centre/skin/ato...		Atopic dermatitis (atopic eczema, neurodermatitis)
/swiss-allergy-centre/skin/con...		Contact dermatitis
/swiss-allergy-centre/skin/urt...		Urticaria (hives/nettle rash)
/swiss-allergy-centre/skin/ang...		Angioedema
/swiss-allergy-centre/skin/chr...		Chronic hand eczema
/swiss-allergy-centre/skin/sun...		Sun allergy
/swiss-allergy-centre/skin/pru...		Prurigo nodularis
/swiss-allergy-centre/skin/pso...		Psoriasis
/swiss-allergy-centre/skin/vit...		Vitiligo
/swiss-allergy-centre/asthma		Asthma
/swiss-allergy-centre/offers		Offers for those affected
/swiss-allergy-centre/offers	Text duplicate	Offers for those affected
/swiss-allergy-centre/offers/a...		Advice and sharing of information
/swiss-allergy-centre/offers/a...	Text duplicate	Advice and sharing of information
/swiss-allergy-centre/offers/a...		aha!infoline (advice hotline etc.)
/swiss-allergy-centre/offers/a...		Advice – on site and online (in German and French)
/swiss-allergy-centre/offers/a...		Specialist nutritional advice (in German, French and Italian)
/swiss-allergy-centre/offers/a...		Self-help groups (in German, French and Italian)
/swiss-allergy-centre/offers/c...		Courses and training
/swiss-allergy-centre/offers/h...		Holiday camps for children and adolescents (in German and French)
/swiss-allergy-centre/offers/t...		Tests (in German, French and Italian)
/swiss-allergy-centre/offers/f...		Doctor and pharmacy search
/swiss-allergy-centre/offers/i...		Infotheque
/swiss-allergy-centre/offers/i...	Text duplicate	Infotheque
/swiss-allergy-centre/offers/i...		Links
/swiss-allergy-centre/offers/a...		aha!shop (in German, French and Italian)
/swiss-allergy-centre/offers/c...		Products with the Allergy Seal of Quality
/swiss-allergy-centre/access-f...		Offers for professionals
/swiss-allergy-centre/access-f...	Text duplicate	Offers for professionals
/swiss-allergy-centre/access-f...		Medical professionals
/swiss-allergy-centre/access-f...	Text duplicate	Medical professionals
/swiss-allergy-centre/access-f...		Allergy card
/swiss-allergy-centre/access-f...		Offers newsletter for healthcare professionals
/swiss-allergy-centre/access-f...		aha!infoline (advice hotline)
/swiss-allergy-centre/aha-shop...		aha!shop
/swiss-allergy-centre/help		Help us
/swiss-allergy-centre/help	Text duplicate	Help us
/swiss-allergy-centre/help/don...		Donating
/swiss-allergy-centre/help/wil...		Wills, bequests
/swiss-allergy-centre/help/in-...		In memoriam donations
/swiss-allergy-centre/help/spe...		Special occasion donations
https://www.aha.ch/aha-about-us	Text duplicate	About us
/allergiezentrum-schweiz/home?...	Text duplicate	de
/centre-allergie-suisse/home?l...	Text duplicate	fr
/centro-allergie-svizzera/home...	Text duplicate	it
/swiss-allergy-centre/home?lan...		en
/swiss-allergy-centre/offers/t...	New window	No Text
/swiss-allergy-centre/home/1587		to page Allergies and intolerances
/swiss-allergy-centre/home/ski...		to page Skin
/swiss-allergy-centre/offers/a...	Subdomain	No Text
/swiss-allergy-centre/offers/a...		aha!infoline Form A-TITLE aha!infoline form
/swiss-allergy-centre/help/don...		Help IMG-ALT Donations to the Foundation aha! Swiss Allergy Centre
/swiss-allergy-centre/training...	Text duplicate	Courses and training IMG-ALT Interdisciplinary knowledge on clinical pictures, therapies and their practical implementation.
/allergiezentrum-schweiz/aha-s...	Subdomain	Allergies – simple to explain
https://www.instagram.com/aha_...	New window External Subdomain	No Text
https://www.facebook.com/ahaAl...	New window External Subdomain	No Text
https://www.linkedin.com/compa...	New window External Subdomain	No Text
https://www.youtube.com/channe...	New window External Subdomain	No Text
/swiss-allergy-centre/privacy-...		Privacy Policy
/swiss-allergy-centre/en-discl...		Disclaimer
/swiss-allergy-centre/copyright		Copyright
/swiss-allergy-centre/quality-...		Quality assurance
/swiss-allergy-centre/home	Anchor	Cookies management panel
https://zewo.ch/en/	New window External	No Text
https://www.sqs.ch/en	New window External Subdomain	No Text
/swiss-allergy-centre/help/don...	Text duplicate	Donating
https://www.aha.ch/	New window	No Text
https://www.service-allergie.c...	New window External Subdomain Anchor	To the certified products A-TITLE Products with the Seal of Quality
https://www.weserve.ch/	New window External Subdomain	WeServe
https://www.instagram.com/aha_...	New window External Subdomain	No Text
https://www.facebook.com/ahaAl...	New window External Subdomain	No Text
https://www.linkedin.com/compa...	New window External Subdomain	No Text
https://www.youtube.com/channe...	New window External Subdomain	No Text

Server configuration 70% achieved

HTTP redirects

(Critically important)

This page redirects to "https://www.aha.ch/swiss-allergy-centre/home"

WWW Redirect

HTTP header

(Important)

The web server version is sent within the HTTP header.

The X-powered header is sent within the response header. (unnecessary)

The web server transmits the web page (HTML) in compressed form.

HTTP headers

Performance

(Somewhat important)

The page response time is slow (1.20 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.

The file size of the HTML document is fine (55 kB).

Page Speed

HTTP Response Header

Name	Value
content-type	text/html;charset=UTF-8
content-encoding	gzip
content-language	de-CH
expires	Thu, 26 Jun 2025 11:03:53 GMT
vary	Accept-Encoding
server	Microsoft-IIS/10.0
set-cookie	71 Characters
x-powered-by	ASP.NET
date	Thu, 26 Jun 2025 11:03:53 GMT
statuscode	200
http_version	HTTP/2

External factors 75% achieved

Backlinks

(Critically important)

This page has only a few links from other websites.

This page only has backlinks from 25 referring domains.

This page only has 51 backlinks.

This page only has few backlinks from 14 different ip addresses.

Backlinks

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

user-agent: *
disallow: /_thumbs/
disallow: /acl/
disallow: /admin/
disallow: /javascript/
disallow: /temp/
disallow: /modul/advertising/
sitemap: https://www.aha.ch/sitemap.cfm

Similar sites

Search preview

www.aha.ch › swiss-allergy-centre › home

aha! Swiss Allergy Centre - aha! Swiss Allergy Centre

In Switzerland three million people are affected by some form of allergy and intolerance. aha! Swiss Allergy Centre supports you on this path.

Most important keywords

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

Keyword	Result	Recheck
aha	92%	Check
allergy	85%	Check
Swiss	85%	Check
Centre	85%	Check
Swiss Allergy Centre	85%	Check
Food Allergy	64%	Check
intolerance	56%	Check
form	56%	Check
affected	50%	Check
Gluten Intolerance	47%	Check
three	46%	Check
million	46%	Check
people	46%	Check
Switzerland	46%	Check
three million people	46%	Check
Allergies	44%	Check
intolerances	44%	Check
Skin	44%	Check
Allergies intolerances	44%	Check
Food	43%	Check
Offers	43%	Check
training	43%	Check
professionals	43%	Check
Help	43%	Check
food allergies	43%	Check

Show more keywords and terms

Automatically check aha.ch including all subpages at once!

Check 300+ SEO parameters on every page of your website
Easy troubleshooting with optimization suggestions
Automated check for keyword optimization

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Guaranteed free of charge during trial period.

Aha.ch - SEO Checker

Task list of SEO Improvements 4 Tasks

Meta specifications 97% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Automatically check aha.ch including all subpages at once!

Page quality 83% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 79% achieved

(Critically important)

(Important)

Heading structure

Link structure 45% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 70% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 75% achieved

(Critically important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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