Expired domains in education and courses

From 2007 to 2016 and from 2019 to 2022, the site consistently existed in the niche of body-oriented practices and shiatsu training (D-298D8A / Shiatsu Training). No niche changes occurred.

The site consistently represented the official resource of the Tuban district education office (Indonesia), niche — public education, no changes.

The site's niche remained consistent throughout its history (2009–2023) — it was a site related to entrance exams and the competition for Groupe ESC Troyes business school. No niche change was recorded.

Consistent niche of SEO, WordPress, and web design training (Vietnamese language) from 2012 to 2020 with no niche change. The final niche fully matches the niche for which backlinks were likely built.

Website of a charitable education foundation (Whitefish Bay Education Foundation) with no niche change throughout its history (2019–2025).

From 2011 to 2018 — a personal blog of a mom-student, later a Spanish teacher (education, Spanish, personal experience). The niche did not change; in 2021 the domain went to parking at a Russian registrar, after which no content was present.

The site of a Czech primary school (ZŠ Spořilov) consistently operated in the education niche from 2007 to 2011. From 2013 to 2018, the domain did not change its niche but served blank pages (HTTP 200 with no page title), likely abandoned by the owner.

Initially, the site was dedicated to e-learning solutions for employee retraining ("D-D5F45F:: e-Learning..."), but from 2009 until the end of its life, it shifted to offline courses and training in Trapani, Sicily ("Corsi di formazione Trapani Sicilia"). The niche has been stable since 2009, indicating a long-term real business.

From 2016 to early 2019, the domain was parked (empty page titles). From mid-2019, it steadily developed as a surf school website (Escuela D-D6CB4Fing, later THE SURF FAMILY) in Spanish. No niche change was recorded; the final niche matches the period of backlink profile growth.

The site's topic — elementary school and kindergarten (education) — remained unchanged from 2007 to 2023. The final topic before the drop fully matches the one for which links were likely acquired.

The site consistently operated in the counseling training niche ("Scuola di Counseling") from 2005 to 2014, then rebranded as "Centro Ricerche Evolutive & Associate," keeping a closely related professional-educational focus. The niche remained consistent and coherent throughout its history.

From 2004 to 2019, the domain was consistently used for D-4DE806. No niche change was recorded; in 2020–2023 the content disappeared (blank pages without page titles), and in 2024 it became a domain sales page.

The domain existed under the "Mobius" brand from 2014 to 2021 (likely a community or service site). In 2022, a rebrand/refinement of the niche occurred to "Support Peer-to-Peer Learning, Meaningful Networking and Sharing of Knowledge" (educational/networking platform), without a domain change. The niche is stable, with no sharp transitions into spam niches recorded.

Throughout its history (2014–2023), the site maintained a single niche — 'D-4666B7 — interaktivní výuka' (interactive learning), with no niche changes recorded. The final niche before the drop matches the original.

From 2015 to 2025, the site consistently served as an Islamic encyclopedia (İslâm Medeniyeti Ansiklopedisi / D-F396F1) and a resource on Islamic economics. The niche remained unchanged, and the final niche fully matches the original.

Japanese site of the federation of track and field athletics for state/public universities. The niche has been stable from 2013 to 2022, with no niche changes recorded; only the number of members changed (23 universities → 27 universities). The final niche before the drop matches the original and, most likely, the one that built the links.

From 2021-09 to 2023-06, the site for the "D-ED7065 Kunstuni Linz" project (architecture/urbanism) at the University of Art and Design Linz was consistently active. After that, content was removed, and since 2024-08 the domain has shown empty/minimal pages (likely parking or a placeholder).

Stable niche from 2010 to 2022 — "Integrated Training Solutions" (corporate training, education). No niche change recorded; the final niche matches the original.

Consistent niche throughout its history — swimming courses and swimming instruction for children (Prague 5). No niche changes on record.

The site was dedicated to the "Nádraží 2019" conference; the niche did not change throughout its history (2019–2024). The final niche matches the original one.