What powers berliner-unterwelten.de?
Last seen Jun 2026 · 22 technologies across 14 categories
CDN
Cloudflare
since Sep 2021
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since Aug 2018
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since Aug 2020
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since Jul 2020
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since Aug 2022
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since Sep 2021
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Miscellaneous
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PHP
since Aug 2018
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since Feb 2023
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Cloudflare Bot Management
since Oct 2023
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Apache HTTP Server
since Aug 2018
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Microsoft 365
since Aug 2022
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FullCalendar
since Feb 2023
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| flakturm berlin | #2 | 120 |
| berlin wall tours | #3 | 97 |
| berlin underground | #1 | 97 |
| humboldthain flak tower berlin | #1 | 79 |
| underground bunkers in berlin | #1 | 43 |
| berlin underground tour | #2 | 42 |
| humboldthain flak tower | #2 | 42 |
| fuhrerbunker | #37 | 38 |
| berlin bunker tour | #1 | 32 |
| berlin underground | #3 | 31 |
| berlin bunkers | #1 | 29 |
| fhrerbunker | #35 | 29 |
| hitler's bunker | #51 | 29 |
| tunnel in berlin | #2 | 28 |
| berliner | #46 | 25 |
| berlin underground tours | #1 | 24 |
| berliner unterwelten tours | #1 | 21 |
| berlin underground bunkers | #1 | 21 |
| berlin bunkers underground germany | #1 | 21 |
| berlin bunker tours | #2 | 21 |
| berlin tunnel | #3 | 17 |
| berlin wall memorial tour | #6 | 16 |
| berlin germania | #3 | 14 |
| tunnel 29 | #8 | 14 |
| tour m | #1 | 12 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 79% phone
- 18% desktop
- 2% tablet
Germany
Netherlands
Austria
Sweden
Denmark
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.31 / 10 · ranked #88,574 of all domains
414 referring domains · OpenPageRank
Search traffic
1,200 est. monthly organic visits (US)
397 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 10.3 MB · 102 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.berliner-unterwelten.de | 15 |
| tickets.berliner-unterwelten.de | 11 |
| berliner-unterwelten.de | 9 |