openthesaurus.de — September 2026 traffic, keywords & AI visibility

Search engines send openthesaurus.de an estimated 23,400 visits a month. Effectively all of it is organic — about 23,400 visits from unpaid results. Spread across 8,270 ranking keywords, that averages roughly 2.8 organic visits per keyword.

openthesaurus.de scores 87 out of 100 on our AI visibility scale, grade A. It takes full marks for LLMS.txt, SEO health and Structured data. The biggest gap is Crawlability, at 0 of 10 points (robots ✗ · sitemap ✗), worth 10 points if closed. It also loses points on Company profile (22/25).

The llms.txt on openthesaurus.de runs to 164 lines (7,388 characters) across 12 sections, last generated in May 2026. It introduces the site as "Synonyme - OpenThesaurus - Deutscher Thesaurus". It tells AI engines the business works in Linguistic Software, Educational Tools and Reference Databases. It describes 5 products, with prices such as Synonym Database at Free, Antonym Search at Free and Word Associations at Free. Services it lists include Community Contributions, Custom Word Requests, Vocabulary Workshops and Data Exports. The audience it names is German speakers, educators, writers, aged 18-65 (DACH Region). Technologies it mentions include HTTPS, Responsive Viewport, PHP and MySQL. The keywords it claims start with "Synonyme", "OpenThesaurus", "Deutscher Thesaurus" and "Gegenteile".

# Synonyme - OpenThesaurus - Deutscher Thesaurus

## About
OpenThesaurus delivers a free, open-source German thesaurus that's become a daily essential for over two decades, serving up synonyms, antonyms, and word associations for more than 100,000 entries. Built by a dedicated community, it empowers users from school kids writing reports to novelists polishing prose, all without subscriptions or paywalls. The clean, fast-loading site focuses purely on language enrichment, pulling in searches for everything from casual chit-chat words to technical jargon. Its strength lies in the relational depth— not just lists, but connections that spark better expression. Volunteers keep it evolving with fresh terms from pop culture to academia, making it more alive than static dictionaries. For translators, it's a quick fix for nuanced equivalents; for marketers, a way to dodge clichés. Privacy-first with no tracking, it appeals to users tired of data-hungry apps. Globally accessible but tailored for German speakers, it fills a niche where commercial tools fall short on depth or charge too much. The project's staying power shows in its organic growth, fueled by word-of-mouth in forums and classrooms. As AI writing tools rise, OpenThesaurus remains a human-curated anchor for authentic language use.

**Areas of Work:** Linguistic Software, Educational Tools, Reference Databases

## Things to R

Google lists openthesaurus.de for about 8,270 keywords, which together bring an estimated 23,400 organic visits a month.

The latest technical audit of openthesaurus.de scored 96 out of 100 overall. All 3 sub-scores are 90 or above. The audit makes 12 recommendations in all, and 3 of the 4 listed first are rated high priority or critical.

OpenThesaurus's company profile names https://www.duden.de, https://www.synonyme.com, https://www.thesaurus.com and https://www.woxikon.de as competitors. Its own llms.txt adds https://www.dict.cc and https://www.woerterbuch.net. Outside its market, the domains ranked closest to it in our worldwide ranking are wtfast.com, ymi24heuiy.ru, nais.org and exon.io.

https://www.duden.de

https://www.synonyme.com

https://www.thesaurus.com

https://www.woxikon.de

https://www.dict.cc

https://www.woerterbuch.net