domainrating.org

Open Authority Rating

nic.cz

53/100

Open Authority Rating
Harmonic centrality rank
#8,092
PageRank rank
#3,066
Crawled hosts
105
Crawl release
cc-main-2026-aug-sep-oct
Last computed
Nov 10, 2026

Stronger than 99.99% of the 134,979,706 ranked domains (by harmonic centrality).

What 53 means

Top 0.01% of the web graph. Among the most linked-to domains on the web: global brands, platforms and major publishers.

Whether that is good depends on the sites you compete with. What counts as a good score · Compare with a competitor

What drives this score

OAR 53 adds up two positions in the cc-main-2026-aug-sep-oct link graph: harmonic centrality, worth up to 70 points, and PageRank, worth up to 30.

  • Harmonic centrality rank #8,09236.4 of 70 points
  • PageRank rank #3,06617.1 of 30 points

Harmonic centrality is holding this score back. It measures how close nic.cz is to the rest of the web, so it rises with links from many sites that are themselves well connected. It carries 70% of the score, so it is also where a change moves OAR most.

Rank needed for a higher score

Rank each signal would need for a higher OAR, with the other signal unchanged
OARHarmonic centrality rank (PageRank unchanged)PageRank rank (harmonic centrality unchanged)
54#8,064 or better#3,041 or better
58#2,766 or better#250 or better
63#726 or better#11 or better

Ranks are relative to each release, so a score can also move because the web around nic.cz changed. OAR describes position in the public link graph; it does not predict search rankings or traffic. How OAR is computed

Follow its score on your dashboard, with an email when a new release changes it if you like. Free account.

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About this domain

Registration, hosting, and TLS facts haven’t been gathered for this domain yet. They are collected by a background check after the first visit — check back soon.

OAR across crawl releases

02550751002026-042026-052026-062026-072026-082026-04: OAR 502026-05: OAR 502026-06: OAR 532026-07: OAR 522026-08: OAR 53
Open Authority Rating of nic.cz by crawl release
Crawl releaseOAR
cc-main-2026-apr-may-jun50
cc-main-2026-may-jun-jul50
cc-main-2026-jun-jul-aug53
cc-main-2026-jul-aug-sep52
cc-main-2026-aug-sep-oct53

Dashed marks are crawl releases where nic.cz wasn’t in the link graph; gaps are shown honestly, never interpolated. How to read this chart

Compare nic.cz with another domain

See both Open Authority Ratings and their trends side by side.