Open Authority Rating

force9.co.uk

41/100

Open Authority Rating
Harmonic centrality rank
#46,290
PageRank rank
#126,142
Crawled hosts
424
Crawl release
cc-main-2026-aug-sep-oct
Last computed
Nov 9, 2026

Stronger than 99.96% of the 134,979,706 ranked domains (by harmonic centrality).

What 41 means

Top 0.1% of the web graph. Established brands and large publishers: only about 100,000 domains score this high.

What drives this score

OAR 41 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 #46,29029.8 of 70 points
  • PageRank rank #126,14211.2 of 30 points

PageRank is the weaker signal here. It rises with the number and weight of links pointing at force9.co.uk, but it carries only 30% of the score, so harmonic centrality still moves OAR more.

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)
42#40,597 or better#92,872 or better
46#13,928 or better#7,653 or better
51#3,657 or better#337 or better

Ranks are relative to each release, so a score can also move because the web around force9.co.uk changed. OAR describes position in the public link graph; it does not predict search rankings or traffic. How OAR is computed

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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 392026-05: OAR 392026-06: OAR 412026-07: OAR 332026-08: OAR 41
Open Authority Rating of force9.co.uk by crawl release
Crawl releaseOAR
cc-main-2026-apr-may-jun39
cc-main-2026-may-jun-jul39
cc-main-2026-jun-jul-aug41
cc-main-2026-jul-aug-sep33
cc-main-2026-aug-sep-oct41

Dashed marks are crawl releases where force9.co.uk wasn’t in the link graph; gaps are shown honestly, never interpolated. How to read this chart

Compare force9.co.uk with another domain

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