B Evidence Grade B Safe to Cite Dated

10 -- pages analyzed referring domains organic traffic correlation for Web pages analyzed by Ahrefs (referring domains vs organic search traffic) (2018)

Name: Pages Analyzed Referring Domains Organic Traffic Correlation Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-05

2018 · n=1,000,000,000 · 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

Web pages analyzed by Ahrefs (referring domains vs organic search traffic)

Sample Size

1,000,000,000

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 B

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

Confidence: 70/100 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 states a clear positive correlation between number of unique referring domains and organic traffic, based on analysis of ~1 billion pages (range implied by '近 10 亿').

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Web pages analyzed by Ahrefs (referring domains vs organic search traffic): 10 pages analyzed referring domains organic traffic correlation. Source: Ahrefs (2018). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-1-billion-pages-referring-domains-organic-traffic-correlation

HTML Embed

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

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