R0045/2026-03-29/Q002/H1

Research	R0045 — Prediction Verification
Run	2026-03-29
Query	Q002
Hypothesis	H1

Statement

Apache was already dominant by mid-2001 with approximately 63% hostname share, making it the clear market leader.

Status

Supported — by hostname count, Apache held 63.02% in June 2001 and 62.42% of active sites. This dominance had been established since approximately 1996.

Supporting Evidence

Evidence	Summary
SRC01-E01	Apache 63.02% hostname share, 18.5M sites in June 2001
SRC02-E01	Apache reached ~2/3 of all hostnames by November 2003

Contradicting Evidence

Evidence	Summary
SRC03-E01	By physical server count, Windows led at 49.2% vs Linux at 28.5%

Reasoning

H1 is supported when measured by hostnames — the traditional metric. Apache's dominance by this measure was well-established by 2001 and continued to grow through 2003. However, the physical server metric complicates the narrative.

Relationship to Other Hypotheses

H1 and H2 are both partially correct because they address different measurement methodologies. H3 captures this most accurately.