Websites Powered by Open-Xchange App Suite

109 websites tracked using Open-Xchange App Suite (Webmail) · www.open-xchange.com

Open-Xchange App Suite is a webmail interface for reading email in a browser. Its official site is open-xchange.com. PoweredBy tracks the websites that use Open-Xchange App Suite across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the webmail ecosystem.

Usage trend

Domains observed using Open-Xchange App Suite in each month's HTTP Archive crawl, Oct 2022 to Oct 2026 · peak 54 in Jan 2025. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 550 ms

Median site among 76 Open-Xchange App Suite sites with Chrome UX data, p75 values, Sep 2026.

Top countries

Germany 28
United States 23
Spain 17
India 17
United Kingdom 16
Japan 16
France 15
Netherlands 13

Sites using Open-Xchange App Suite by audience country, Chrome UX Report.

Top sites by authority

9+ 0% · 0 of 372 sites
8+ <1% · 3 of 7,677 sites
7+ <1% · 6 of 45,712 sites
6+ <1% · 8 of 110,136 sites
5+ <1% · 12 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running Open-Xchange App Suite in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using Open-Xchange App Suite

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1 strato.de 8.95/10 380 397 Oct 2022
2 mpg.de 8.81/10 59,700 20,903 Dec 2022
3 edx.org 8.66/10 183,800 74,245 May 2025
4 htw-berlin.de 7.81/10 610 378 Jul 2025
5 register.com 7.46/10 4,700 751 Jul 2023
6 bremerhaven.de 7.32/10 1,200 271 Sep 2026
7 parliament.gov.zm 6.41/10 1,700 1,221 Oct 2022
8 hs-bremerhaven.de 6.30/10 610 63 Oct 2022
9 matthiasott.com 5.74/10 130 209 Oct 2026
10 cajalosandes.cl 5.32/10 620 677 Jan 2025
11 netsite.dk 5.28/10 - 4 Oct 2022
12 nct9.ne.jp 5.28/10 1 18 Feb 2025
13 internic.ca 4.57/10 - - Aug 2023
14 mecha.ne.jp 4.00/10 - - Mar 2025
15 caremanagementmatters.co.uk 3.92/10 23 49 Apr 2026
16 qit.ne.jp 3.69/10 - - Aug 2023
17 networksolutionsemail.com 3.48/10 - - Jan 2025
18 webmail.es 3.38/10 - - Jul 2024
19 comnet.bg 2.97/10 - - May 2025
20 eatserver.nl 2.71/10 - - Nov 2024
21 cubbit.eu 2.53/10 - - Oct 2026
22 preedanjou.fr 1.66/10 - - Oct 2022
23 mymagenta.at 1.63/10 - - Oct 2022
24 everymail.com 1.60/10 - - Aug 2026
25 ciels.fr 1.52/10 - - Apr 2026
26 haratine.com 1.49/10 - - Jul 2026
27 hapy.schule 1.14/10 - - Sep 2025
28 vcsm71.fr 1.02/10 - - Oct 2025
29 chinesegospelchurch.net 0.44/10 - - Oct 2022
30 righi.com.br 0.38/10 - - Sep 2026
31 dentysta-luban.pl 0.38/10 - - Oct 2022
32 canchasperu.com 0.10/10 52 3 Sep 2026
33 starline-global.com 0.10/10 - - Oct 2026
34 transportesde.com.ar - - - Jun 2026
35 clinicaflorida.com.ar - - - Oct 2026
36 workplacepro.email - - - Oct 2026

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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