Diveiac.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
86% 
Page structure
79% 
Link structure
37% 
Server
100% 
External factors
96% 
SEO Score
Response time
0.16 s
File size
451.30 kB
Words
1006
Media files
14
Number of links
166 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Tauchen lernen in Deutschland oder weltweit | Dive i.a.c.
The length of the page title is perfect. (506 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Tauchen lernen leicht gemacht. Mit unseren i.a.c. Dive Centern bilden wir seit mehr als 30 Jahren Taucher auf der ganzen Welt aus.
The length of the meta description is perfect. (809 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.diveiac.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-de
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
viewportwidth=device-width, initial-scale=1, minimum-scale=1
descriptionTauchen lernen leicht gemacht. Mit unseren i.a.c. Dive Centern bilden wir seit mehr als 30 Jahren Taucher auf der ganzen Welt aus.
robotsfollow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
google-site-verificationynVPO6A3y7Z_lAtchnbF0yYm3hWa-1cB2VOGiaFJfC0
generatorWPML ver:5.1.0 stt:1,3;
msapplication-TileColor#2079db
theme-color#ffffff
langde-de
twitter:cardsummary_large_image
twitter:titleTauchen lernen in Deutschland oder weltweit | Dive i.a.c.
twitter:descriptionTauchen lernen leicht gemacht. Mit unseren i.a.c. Dive Centern bilden wir seit mehr als 30 Jahren Taucher auf der ganzen Welt aus.
twitter:label1Verfasst von
twitter:data1iac-redaktion
twitter:label2Lesedauer
twitter:data21 Minute
og:localede_DE
og:typewebsite
og:titleTauchen lernen in Deutschland oder weltweit | Dive i.a.c.
og:descriptionTauchen lernen leicht gemacht. Mit unseren i.a.c. Dive Centern bilden wir seit mehr als 30 Jahren Taucher auf der ganzen Welt aus.
og:urlhttps://www.diveiac.com/
og:site_nameDive i.a.c.
og:updated_time2026-10-19T10:42:11+02:00
charsetUTF-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: Sie müssen den Inhalt von reCAPTCHA laden, um das Formular abzuschicke...
The average number of words per sentence of 9.42 words is low.
This page contains 1006 words. That's ok.
21.4% 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.
14 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1, minimum-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: termin:
Image SEO
(Somewhat important)
4 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
/wp-content/uploads/2022/03/iac-logo.svgDive i.a.c.
...nt/uploads/2021/11/iac-logo-shrinked.svgDive i.a.c.
...epress-multilingual-cms/res/flags/de.svgDeutsch
...epress-multilingual-cms/res/flags/en.svgEnglisch
/wp-content/uploads/2022/03/iac-logo.svgDive i.a.c.
...epress-multilingual-cms/res/flags/de.svgDeutsch
...epress-multilingual-cms/res/flags/en.svgEnglisch
...oads/2022/02/instructor-diveiac.jpg.webpinstructor diveiac
...ontent/uploads/2021/11/tauchen-gehen.jpgtauchen gehen
.../2022/02/tauchen-lernen-diveiac.jpg.webptauchen lernen diveiac
...s/2021/11/RSTC_logo_vektor-dive-blau.svgNo alt attribute provided
...uploads/2021/11/EUFCertified_2009-03.svgNo alt attribute provided
...loads/2021/11/CMAS_Germany_quer-blue.svgNo alt attribute provided
...ntent/uploads/2021/11/VMWD-Logo-blau.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
i.a.c. alles rund ums Tauchen
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 i.a.c. alles rund ums Tauchen
H2 tauchen gehen
H2 tauchen lernen
H2 Tauchlehrer werden
H2 Beginne Dein Abenteuer
H2 Aktuelle Seminare und Termine
H3 Mach Dein Hobby zum Beruf
H3 Die schönsten Plätze der Welt warten!
H3 Möglichkeiten ohne Ende
H3 i.a.c. Prep Course und IE + CMAS Oktober 2027
H3 i.a.c. Prep Course und IE Juni 2027
H3 i.a.c. IDC, Prep Course und IE Juni 2027
H5 INSTRUCTOR WERDEN
H5 TAUCHEN GEHEN
H5 TAUCHEN LERNEN
H5 Weltweit anerkannte Leistungen
H5 i.a.c. Leistungen
H5 International Aquanautic Club GmbH & Co. KG
H5 Unsere Öffnungszeiten:
H5 Folge uns
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.
10 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.diveiac.com/Anchor Zum Inhalt springen
https://www.diveiac.com/IMG-ALT Dive i.a.c.
https://www.diveiac.com/IMG-ALT Deutsch
https://www.diveiac.com/en/IMG-ALT Englisch
A-TITLE Zu Englisch wechseln
/instructor-werden/i-a-c-instr...i.a.c. Instructor Sporttauchen
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/sporttauchen/d...No Text
/instructor-werden/i-a-c-instr...Scuba Instructor
/instructor-werden/i-a-c-instr...Open Water Instructor
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/sporttauchen/o...No Text
/instructor-werden/i-a-c-instr...Master Instructor
/tauchen-lernen/sporttauchen/a...No Text
/instructor-werden/i-a-c-instr...Instructor Trainer
/instructor-werden/i-a-c-instr...Course Director
/instructor-werden/i-a-c-instr...i.a.c. Instructor Freitauchen
/instructor-werden/i-a-c-instr...Freediving Basic Instructor
/instructor-werden/i-a-c-instr...Freediving Instructor
/instructor-werden/i-a-c-instr...Freediving Master Instructor
/instructor-werden/i-a-c-instr...Freediving Instructor Trainer
/instructor-werden/i-a-c-instr...Freediving Course Director
/instructor-werden/i-a-c-sport...i.a.c. Instructor Tec Tauchen
/instructor-werden/i-a-c-sport...Tec Basis Instructor
/instructor-werden/i-a-c-sport...Nitrox Advanced Instructor
/instructor-werden/i-a-c-sport...CCR Basis Instructor
/instructor-werden/i-a-c-sport...i.a.c. TEC Fundamental Instructor
/instructor-werden/i-a-c-sport...i.a.c. Trimix Light Instructor
/instructor-werden/i-a-c-instr...i.a.c. Normoxic Trimix Instructor
/instructor-werden/i-a-c-instr...i.a.c. Full Trimix Instructor
/crossover-zum-i-a-c/Crossover zum i.a.c.
/i-a-c-faq/FAQ.
/i-a-c-divecenter/DiveCenter
/tauchen-lernen/sporttauchen/Sporttauchen
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/kindertauchen/...Try Diver
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/sporttauchen/d...Discover Scuba Diving
/tauchen-lernen/sporttauchen/s...Scuba Diving
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/sporttauchen/o...Open Water Diver
/tauchen-lernen/sporttauchen/a...Advanced Open Water Diver
/tauchen-lernen/sporttauchen/m...Master Diver
/tauchen-lernen/sporttauchen/d...Dive Leader
/tauchen-lernen/sporttauchen/d...Dive Leader Pro
/tauchen-lernen/sporttauchen/s...Scuba Specialties
/tauchen-lernen/kindertauchen/Kindertauchen
/tauchen-lernen/kindertauchen/...Junior Diver
/tauchen-lernen/kindertauchen/...Junior Scuba Diver
/tauchen-lernen/kindertauchen/...Junior Open Water Diver
/tauchen-lernen/kindertauchen/...Junior Advanced Open Water Diver
/tauchen-lernen/freediving/Freitauchen
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/freediving/bas...Basic Freediver
/tauchen-lernen/kindertauchen/...No Text
/tauchen-lernen/freediving/adv...Advanced Freediver
/tauchen-lernen/freediving/fre...Freediving Leader
/tauchen-lernen/freediving/fre...Freediving Leader Pro
/tauchen-lernen/freediving/fre...Freedive Specialties
/tauchen-lernen/cmas/CMAS
/tauchen-lernen/cmas/cmas-1/CMAS*
/tauchen-lernen/cmas/cmas-2/CMAS**
/tauchen-lernen/cmas/cmas-3/CMAS***
/tauchen-lernen/technisches-ta...Technisches Tauchen
/tauchen-lernen/technisches-ta...Sport TEC
/tauchen-lernen/technisches-ta...TEC Tauchen
/tauchen-lernen/technisches-ta...TEC Specialties
/i-a-c-faq/Text duplicate FAQ.
/i-a-c-awards/i.a.c. Awards
/iac-awards-2025/i.a.c. Awards 2025
/i-a-c-divecenter/Wo kann ich die Ausbildung absolvieren?
/i-a-c-seminare/Instructor Seminare
/i-a-c-jobs/i.a.c. Jobs
http://www.tauchen-weltweit.de/New window External Subdomain Tauchreisen
https://my.diveiac.com/External Subdomain e-Academy
https://portal.diveiac.com/New window External Subdomain Login
https://www.diveiac.com/Text duplicate IMG-ALT Dive i.a.c.
https://www.diveiac.com/Text duplicate IMG-ALT Deutsch
https://www.diveiac.com/en/Text duplicate IMG-ALT Englisch
A-TITLE Zu Englisch wechseln
https://www.diveiac.de/instruc...New window External Subdomain No Text
/instructor-werden/Zu den Lehrgängen
/i-a-c-divecenter/Finde Dein DiveCenter
/tauchen-lernen/Zu den Kursen
http://www.diveiac.de/unsere-s...New window External Subdomain Aktuelle Seminare und Termine
/seminar/i-a-c-prep-course-und...Text duplicate Instructor Seminare
/seminar/i-a-c-prep-course-und...Text duplicate Instructor Seminare
/seminar/i-a-c-idc-prep-course...Text duplicate Instructor Seminare
/i-a-c-seminare/Weitere Seminare
/instructor-werden/Instructor werden
/i-a-c-divecenter/Tauchen gehen
/tauchen-lernen/Tauchen lernen
/i-a-c-seminare/i.a.c. Seminare
http://www.tauchen-weltweit.de/New window External Subdomain Text duplicate Tauchreisen
https://www.diveiac.com/kontakt/Kontaktiere uns
https://www.diveiac-shop.de/New window External Subdomain Shop
https://my.diveiac.com/New window External Subdomain Text duplicate e-Academy
/i-a-c-awards/Text duplicate i.a.c. Awards
https://www.instagram.com/dive...New window External Subdomain No Text
https://de-de.facebook.com/div...New window External Subdomain No Text
https://www.youtube.com/user/d...New window External Subdomain No Text
/impressum/Impressum
/datenschutzerklaerung/Datenschutzerklärung
https://www.diveiac.com/agb/AGB
/wp-content/uploads/2026/04/01...New window i.a.c. Richtlinien
https://www.diveiac.com/Anchor No Text
https://www.diveiac.com/Dive i.a.c. – Tauchen lernen
/instructor-werden/Text duplicate Instructor werden
/instructor-werden/i-a-c-instr...Text duplicate i.a.c. Instructor Sporttauchen
/instructor-werden/i-a-c-instr...Text duplicate Scuba Instructor
/instructor-werden/i-a-c-instr...Open Water Instructor (CMAS TL*)
/instructor-werden/i-a-c-instr...Master Instructor (CMAS TL**)
/instructor-werden/i-a-c-instr...Instructor Trainer (CMAS – TL***)
/instructor-werden/i-a-c-instr...Text duplicate Course Director
/?page_id=2450i.a.c. Instructor Specialties Scuba Diving
/instructor-werden/i-a-c-instr...Text duplicate i.a.c. Instructor Freitauchen
/instructor-werden/i-a-c-instr...Text duplicate Freediving Basic Instructor
/instructor-werden/i-a-c-instr...Text duplicate Freediving Instructor
/instructor-werden/i-a-c-instr...Text duplicate Freediving Master Instructor
/instructor-werden/i-a-c-instr...Text duplicate Freediving Instructor Trainer
/instructor-werden/i-a-c-instr...Text duplicate Freediving Course Director
/crossover-zum-i-a-c/Text duplicate Crossover zum i.a.c.
/i-a-c-divecenter/Text duplicate DiveCenter
/tauchen-lernen/Text duplicate Tauchen lernen
/tauchen-lernen/sporttauchen/Text duplicate Sporttauchen
/tauchen-lernen/kindertauchen/...Text duplicate Try Diver
/tauchen-lernen/sporttauchen/d...Text duplicate Discover Scuba Diving
/tauchen-lernen/sporttauchen/s...Scuba Diver
/tauchen-lernen/sporttauchen/o...Text duplicate Open Water Diver
/tauchen-lernen/sporttauchen/a...Text duplicate Advanced Open Water Diver
/tauchen-lernen/sporttauchen/m...Text duplicate Master Diver
/tauchen-lernen/sporttauchen/d...Text duplicate Dive Leader
/tauchen-lernen/sporttauchen/d...Dive Leader Professional
/tauchen-lernen/sporttauchen/s...Specialties Scuba Diving
/tauchen-lernen/freediving/Freediving
/tauchen-lernen/freediving/bas...Text duplicate Basic Freediver
/tauchen-lernen/freediving/adv...Text duplicate Advanced Freediver
/tauchen-lernen/freediving/fre...Text duplicate Freediving Leader
/tauchen-lernen/freediving/fre...Text duplicate Freediving Leader Pro
/tauchen-lernen/cmas/Text duplicate CMAS
/tauchen-lernen/cmas/cmas-1/Text duplicate CMAS*
/tauchen-lernen/cmas/cmas-2/Text duplicate CMAS**
/tauchen-lernen/cmas/cmas-3/Text duplicate CMAS***
/tauchen-lernen/freediving/fre...Text duplicate Freedive Specialties
/tauchen-lernen/freediving/equ...Equalization
/tauchen-lernen/kindertauchen/Text duplicate Kindertauchen
/tauchen-lernen/kindertauchen/...Text duplicate Junior Diver
/tauchen-lernen/kindertauchen/...Text duplicate Junior Scuba Diver
/tauchen-lernen/kindertauchen/...Text duplicate Junior Open Water Diver
/tauchen-lernen/kindertauchen/...Text duplicate Junior Advanced Open Water Diver
/tauchen-lernen/sport-tec/Text duplicate Sport TEC
/tauchen-lernen/technisches-ta...TEC Basic
/tauchen-lernen/technisches-ta...Nitrox Advanced
/tauchen-lernen/technisches-ta...Text duplicate TEC Tauchen
/tauchen-lernen/technisches-ta...TEC Fundamental OC
/tauchen-lernen/technisches-ta...TEC Advanced Nitrox OC
/tauchen-lernen/technisches-ta...TEC Trimix Light OC
/tauchen-lernen/technisches-ta...TEC Extended Range OC
/tauchen-lernen/technisches-ta...TEC Normoxic Trimix OC
/tauchen-lernen/technisches-ta...TEC Full Trimix OC
/tauchen-lernen/technisches-ta...TEC Basic CCR
/tauchen-lernen/technisches-ta...TEC Fundamental CCR
/tauchen-lernen/technisches-ta...TEC Advanced Nitrox CCR
/tauchen-lernen/technisches-ta...TEC Trimix Light CCR
/tauchen-lernen/technisches-ta...TEC Normoxic Trimix CCR
/tauchen-lernen/technisches-ta...TEC Trimix CCR
/tauchen-lernen/technisches-ta...Specialties TEC
/tauchen-lernen/technisches-ta...TEC Specialty Tec Solo
/tauchen-lernen/technisches-ta...TEC Specialty Tec Advanced Solo
/tauchen-lernen/technisches-ta...TEC Specialty Tec Scooter
/tauchen-lernen/technisches-ta...TEC Specialty Tec Advanced Scooter
/tauchen-lernen/technisches-ta...TEC Specialty Tec Wreck
/tauchen-lernen/technisches-ta...TEC Specialty Tec Advanced Wreck
/tauchen-lernen/technisches-ta...TEC Specialty Technical Wreck
/i-a-c-seminare/Text duplicate Instructor Seminare
http://www.tauchen-weltweit.de/New window External Subdomain Text duplicate Tauchreisen
/i-a-c-faq/i.a.c. FAQ
/i-a-c-jobs/Text duplicate i.a.c. Jobs
https://portal.diveiac.com/External Subdomain Text duplicate Login
/i-a-c-awards/Text duplicate i.a.c. Awards
/iac-awards-2025/Text duplicate i.a.c. Awards 2025
https://my.diveiac.com/New window Nofollow External Subdomain Text duplicate e-Academy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.diveiac.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)
A Content Delivery Network like Google Hosted Libraries can save bandwidth for the JQuery files.
The page response time is excellent with 0.16 seconds.
The file size of the HTML document is fine (451 kB).

HTTP Response Header

NameValue
x-cache-handlercache-enabler-engine
content-encodinggzip
x-xss-protection1; mode=block
varyUser-Agent
cache-controlmax-age=0
expiresSun, 25 Oct 2026 13:32:38 GMT
content-typetext/html; charset=UTF-8
dateSun, 25 Oct 2026 13:32:38 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This page is very well linked from other websites.
This page has backlinks from 32 referring domains.
This page has 63 backlinks.
This page has backlinks from 30 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://www.diveiac.com/sitemap_index.xml

Similar sites

Search preview

www.diveiac.com
Tauchen lernen in Deutschland oder weltweit | Dive i.a.c.
Tauchen lernen leicht gemacht. Mit unseren i.a.c. Dive Centern bilden wir seit mehr als 30 Jahren Taucher auf der ganzen Welt aus.

Most important keywords

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

KeywordResultRecheck
Tauchen81%Check
Tauchen lernen75%Check
Dive72%Check
Welt66%Check
tauchen gehen64%Check
Technisches Tauchen59%Check
Tec Tauchen59%Check
ganzen Welt56%Check
Dive Leader52%Check
Dive Centern bilden 3051%Check
Show more keywords and terms

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