Domain answer
48
live countable technologies on this host, of 56 live detections. Last looked 10 Sept 2026.
fresh10 Sept 2026|first crawled 18 Oct 2023|HTTP 200|root domain, 4 hosts under it
K4 a.s., known as K4 Architects & Engineers, is a Czech joint-stock company operating as an architectural and engineering firm. The company provides construction design, project management, and technical services for administrative, healthcare, and residential buildings, serving clients across the Czech Republic. Its operations include architectural studies, project planning, and technical coordination for construction projects.
Technologies with their datesof 56 live detections on this hostverified 10 Sept 2026
20 of 48 live countable"Seen" is the number of snapshots the detection was verified in
CSS, HSTS, HTML, HTML5, HTTP/3, JavaScript, Open Graph, WebP
Resolved company
K4
Hostsof 4 sharing this rootlatest verified 10 Sept 2026
Freshness on the fixed day scale1 of 4 hosts were last verified more than a year ago
4 of 4 hosts, the most recently verifiedAll 4 hosts and their dates
| Host | First crawled | Last crawled | Freshness |
|---|---|---|---|
| k4.cz | 2023-10-18 | 2026-09-10 | fresh |
| kariera.k4.cz | 2025-05-01 | 2026-08-02 | recent |
| spravapd.k4.cz | 2025-05-02 | 2026-07-31 | recent |
| tenderweb.k4.cz | 2025-04-28 | 2025-04-30 | stale |
Share of the entity's activity2 codes, heaviest first, per milleverified 10 Sept 2026
| Code | Share | Score |
|---|---|---|
| 541310 | 50.0% | 1.00 |
| 541330 | 50.0% | 1.00 |
Open as a segment
Companies running lit-element, lit-html, reCAPTCHA, the 3 least common technologies on this host. Counting is free; change the set on the segment page.
/companies/tech-lit-element/tech-lit-html/tech-recaptcha
