congstar.de — August 2026 traffic, keywords & AI visibility

congstar.de draws an estimated 416 visits a month from search engines. Effectively all of it is organic — about 416 visits from unpaid results. Spread across 253 ranking keywords, that averages roughly 1.6 organic visits per keyword.

On our AI visibility scale congstar.de earns 94 of 100 points, a grade A+. It takes full marks for LLMS.txt, SEO health, Crawlability and Structured data. The biggest gap is Company profile, at 19 of 25 points (6/8 core fields), worth 6 points if closed.

The llms.txt on congstar.de runs to 166 lines (6,079 characters) across 12 sections, last generated in April 2026. It introduces the site as "Mobilfunk | Prepaid | Handytarife | Smartphones | 5G | DSL". It tells AI engines the business works in Telecommunications, Mobile Services and Broadband Internet. It describes 5 products, with prices such as Prepaid Tarif at from €5/month, Allnet Flat at €15/month and Smartphones at €199+. Services it lists include Mobile Tariffs, GB+ Data Boost, Device Financing and Customer Support. The audience it names is Budget-conscious families, young professionals, aged 18-55 (Germany). Technologies it mentions include 5G, LTE, DSL, JavaScript and HTML5. The keywords it claims start with "Mobilfunk", "Prepaid", "Handytarife" and "Smartphones".

# Mobilfunk | Prepaid | Handytarife | Smartphones | 5G | DSL

## About
congstar is a leading discount telecommunications provider in Germany, specializing in mobile prepaid and postpaid tariffs, smartphone sales, 5G upgrades, and DSL internet. As a subsidiary of Deutsche Telekom, it leverages premium network infrastructure to offer affordable, flexible plans without long-term contracts and features like automatic annual data increases. The company serves budget-aware individuals and households seeking reliable connectivity.

**Areas of Work:** Telecommunications, Mobile Services, Broadband Internet

## Things to Remember
- **Website:** https://congstar.de
- **Address:** Bonn, Germany
- **Contact:** 
- **Phone:** 
- **Hours:** 
- **Timezone:** CET
- **Currency:** EUR
- **Company Type:** Private
- **Employees:** 51-200
- **Revenue:** Not Disclosed
- **Hiring Status:** Not currently hiring

## Products
- **Prepaid Tarif** (from €5/month): Flexible prepaid mobile plans with data and calls
- **Allnet Flat** (€15/month): Unlimited calls and SMS with data options
- **Smartphones** (€199+): Latest models from Apple, Samsung, etc.
- **5G Option** (€10/month add-on): Upgrade to high-speed 5G access
- **DSL Tarif** (€20/month): Broadband internet up to 250 Mbit/s

## Services
- **Mobile Tariffs** (Contact for pricing): Customizable plans with/without contract
- **GB+ Data Boost** (Include

Google lists congstar.de for about 253 keywords, which together bring an estimated 416 organic visits a month.

The latest technical audit of congstar.de scored 75 out of 100 overall. Performance is its weakest area at 30, while SEO scores highest at 100. The audit makes 12 recommendations in all, and 3 of the 4 listed first are rated high priority or critical.

congstar's company profile names o2online.de, vodafone.de, telekom.de and 1und1.de as competitors. Its own llms.txt adds freenet.de and klarmobil.de. Outside its market, the domains ranked closest to it in our worldwide ranking are bidderads.com, tails.net, jmbullion.com and bestvpn.org.

o2online.de

vodafone.de

telekom.de

1und1.de

freenet.de

klarmobil.de