B Evidence Grade B Safe to Cite Dated

10 -- web pages analyzed for Ahrefs analysis of web pages (unique referring domains vs. organic traffic) (2018)

Name: Web Pages Analyzed Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-05

2018 · Ahrefs

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Attribution: Ahrefs View source

Lighthouse Research Team

Last verified: 2026-09-05 · How we verify data →

Source verified Evidence graded

Value

Unit

Count

Data Vintage

2018

Entity

Ahrefs analysis of web pages (unique referring domains vs. organic traffic)

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

64/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Ahrefs Primary Tier A

https://ahrefs.com/blog/zh/google-pagerank/ ↗

Confidence: 72/100 Vintage: 2018 Channel: Common Crawl

Source Article

谷歌 PageRank 并未消亡：为何它仍然很重要

Original Research

Ahrefs · Original study ↗

Methodology

Ahrefs analyzed nearly 1 billion web pages ('近' = nearly/approximately) and found a clear positive correlation between the number of unique referring domains and organic traffic; exact correlation coefficient not reported.

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Ahrefs analysis of web pages (unique referring domains vs. organic traffic): 10 web pages analyzed. Source: Ahrefs (2018). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-1-billion-pages-referring-domains-study

HTML Embed

<blockquote cite="https://lighthousedata.io/data/ahrefs-1-billion-pages-referring-domains-study" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10</strong> -- web pages analyzed for Ahrefs analysis of web pages (unique referring domains vs. organic traffic)<br><small>Source: Ahrefs (2018) · <a href="https://lighthousedata.io/data/ahrefs-1-billion-pages-referring-domains-study" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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