www.tdisdi.com

• charset: UTF-8
• equiv: X-UA-Compatible content: IE=edge
• name: viewport content: width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no
• name: apple-mobile-web-app-title content: https://www.tdisdi.com
• name: google content: notranslate
• name: robots content: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
• name: description content: Learn to dive with SDI! Scuba Diving International provides scuba and freediving certification for divers around the world. TDI, ERDI, PFI.
• property: og:locale content: en_US
• property: og:type content: website
• property: og:title content: Home
• property: og:description content: Learn to dive with SDI! Scuba Diving International provides scuba and freediving certification for divers around the world. TDI, ERDI, PFI.
• property: og:url content: https://www.tdisdi.com/
• property: og:site_name content: International Training - SDI | TDI | ERDI | PFI
• property: article:publisher content: https://www.facebook.com/SDIdivers
• property: article:modified_time content: 2026-05-26T12:51:04+00:00
• property: og:image content: https://www.tdisdi.com/wp-content/uploads/2024/10/header_1200x628_FEATURED_Q50-2.jpg
• property: og:image:width content: 1200
• property: og:image:height content: 628
• property: og:image:type content: image/jpeg
• name: twitter:card content: summary_large_image
• name: twitter:site content: @sdidivers
• name: google-site-verification content: S30uYLAodt6L8ZJ2YHIEqqJFblkw2O1oRj1rCPgOueA
• name: generator content: WPML ver:4.9.2.1 stt:5,6,59,61,9,12,37,1,4,3,13,20,23,25,27,28,29,62,40,42,45,49,10,46,2,52;
• name: generator content: Powered by Slider Revolution 6.7.41 - responsive, Mobile-Friendly Slider Plugin for WordPress with comfortable drag and drop interface.
• name: generator content: WP Rocket 3.21.2 features: wpr_delay_js wpr_defer_js wpr_minify_js wpr_preconnect_external_domains wpr_automatic_lazy_rendering wpr_oci wpr_image_dimensions wpr_minify_css wpr_preload_links wpr_desktop

• https://www.tdisdi.com/
• Service Centers
• eLearning
• Available Translations
• http://www.tdisdi.com/?s=
• Hide notification only
• https://www.tdisdi.com/?lang=ar
• https://www.tdisdi.com/?lang=zh-hans
• https://www.tdisdi.com/?lang=zh-hant
• https://www.tdisdi.com/?lang=cs
• https://www.tdisdi.com/?lang=da
• https://www.tdisdi.com/?lang=nl
• https://www.tdisdi.com/?lang=fr
• https://www.tdisdi.com/?lang=de
• https://www.tdisdi.com/?lang=el
• https://www.tdisdi.com/?lang=he
• https://www.tdisdi.com/?lang=hu
• https://www.tdisdi.com/?lang=id
• https://www.tdisdi.com/?lang=it
• https://www.tdisdi.com/?lang=ja
• https://www.tdisdi.com/?lang=ko
• https://www.tdisdi.com/?lang=ms
• https://www.tdisdi.com/?lang=pl
• https://www.tdisdi.com/?lang=pt-br
• https://www.tdisdi.com/?lang=ru
• https://www.tdisdi.com/?lang=sr
• https://www.tdisdi.com/?lang=sk
• https://www.tdisdi.com/?lang=sl
• https://www.tdisdi.com/?lang=es
• https://www.tdisdi.com/?lang=th
• https://www.tdisdi.com/?lang=bs
• Account Log In
• Courses
• SDI Diver Courses
• https://www.tdisdi.com/sdi/get-certified/open-water-scuba-diver-course/
• https://www.tdisdi.com/sdi/get-certified/dry-suit-diver/
• https://www.tdisdi.com/sdi/get-certified/advanced-adventure-diver/
• https://www.tdisdi.com/sdi/get-certified/
• TDI Tech Courses
• https://www.tdisdi.com/tdi/get-certified/intro-to-tech-diving/
• https://www.tdisdi.com/tdi/get-certified/air-diluent-closed-circuit-rebreather-diver-course/
• https://www.tdisdi.com/tdi/get-certified/nitrox-diver/
• https://www.tdisdi.com/tdi/get-certified/
• ERDI Public Safety Courses
• https://www.tdisdi.com/erdi/get-certified/erd-full-face-mask-ops/
• https://www.tdisdi.com/erdi/get-certified/erdi-contaminated-water-diver-ops/
• https://www.tdisdi.com/erdi/get-certified/
• PFI Freediving Courses
• https://www.tdisdi.com/pfi/get-certified/learn-to-freedive/
• https://www.tdisdi.com/pfi/get-certified/intermediate/
• https://www.tdisdi.com/pfi/get-certified/freediver/
• https://www.tdisdi.com/pfi/get-certified/
• Find a Dive Center
• https://www.tdisdi.com/search/?area=sdi
• https://www.tdisdi.com/search/?area=tdi
• https://www.tdisdi.com/search/?area=instructors
• https://www.tdisdi.com/search/?area=erdi
• https://www.tdisdi.com/search/?area=pfi
• Certification Cards
• Community
• SDI Diver Blog
• https://www.tdisdi.com/tdi-blog/
• https://www.tdisdi.com/erdi-blog/
• https://www.tdisdi.com/pfi-blog/
• SDI Professional Blog
• Job Board
• https://www.tdisdi.com/verify-a-professional/
• Join us
• New Layer
• Join us
• https://www.tdisdi.com/sdi-awards-program/
• Find
• Learn to Dive
• Computer Nitrox Diver
• Advanced Adventure Diver
• SDI eLearning
• http://www.tdisdi.com/sdi/get-certified/
• Be a Technical Diver
• Be a Rebreather Diver
• Be a Mixed Gas Diver
• TDI eLearning
• View All TDI Courses »
• Be a Public Safety Diver
• ERDI eLearning
• View All ERDI Courses »
• Learn to Freedive
• Intermediate Freediver
• Become a Freediving Instructor
• View All PFI Courses »
• http://www.tdisdi.com/elearning-courses/
• https://www.tdisdi.com/sdi-diver-news/lost-or-forgotten-c-card-heres-the-scoop/
• Read more
• 0 Comments
• Read more
• 0 Comments
• Read more
• 0 Comments
• Read more
• 0 Comments
• Become an SDI TDI ERDI PFI Facility
• Crossover to SDI TDI ERDI PFI
• Get Professional Insurance
• Our Story
• Meet the Team
• ISO Certified
• Consumer Protection
• FAQ's
• World Headquarters
• Regional Representatives
• Privacy Policy
• https://www.tdisdi.com/disclaimer/
• https://www.tdisdi.com/faqs/system-requirements/

• https://portal.tdisdi.com/elearning-courses?agency=sdi
• https://portal.tdisdi.com/elearning-courses?agency=tdi
• https://portal.tdisdi.com/elearning-courses?agency=erdi
• https://portal.tdisdi.com/elearning-courses?agency=pfi
• https://portal.tdisdi.com/elearning-courses
• https://portal.tdisdi.com/elearning-signup
• SDI Store
• https://www.facebook.com/SDIdivers
• https://instagram.com/sdidivers
• https://www.linkedin.com/company/scuba-diving-international-sdi
• YouTube
• TikTok
• HHHHH
• HHHHH
• Forms
• Facebook
• Instagram
• LinkedIn
• Questions? Feedback?
• Olark live chat software

            Domain Name: TDISDI.COM
Registrar: Domain.com - Network Solutions, LLC
Domain Status: client transfer prohibited
Creation Date: 1999-01-28T05:00:00Z
Registry Expiry Date: 2029-01-28T05:00:00Z
Updated Date: 2026-02-03T00:57:22Z
Name Server: ADI.NS.CLOUDFLARE.COM
Name Server: ARMFAZH.NS.CLOUDFLARE.COM
REGISTRAR Contact: Domain.com - Network Solutions, LLC
>>> Last update of RDAP database: 2026-07-26T20:21:36Z         

			User-agent: *
Crawl-delay: 3
Disallow: /wp-content/uploads/wpforms/

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow: /?s=
Disallow: /page/*/?s=

Sitemap: https://www.tdisdi.com/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK        

Техническое SEO

SEO на странице

Контент и UX