CC Rank Checker

📊 What are HC Rank and PageRank?

Harmonic Centrality (HC Rank)

Harmonic Centrality measures how close a domain is to all other domains in the web graph. A domain with a low HC rank (better) can reach many other domains through fewer link hops.

HC is particularly good at identifying domains that serve as central hubs in the web's link structure — sites that are well-connected and easily reachable from anywhere on the web.

PageRank (PR Rank)

PageRank measures a domain's authority based on the quality and quantity of links pointing to it. Domains linked by other high-authority sites get higher PageRank scores.

Originally developed by Google founders, PageRank identifies domains that are trusted and referenced by other important websites — a signal of credibility and influence.

Both metrics are computed by Common Crawl from their WebGraph dataset, which analyzes billions of links across the web.

❓ FAQ

📦 This Tool vs Full Common Crawl Dataset

🔍 This Tool (Indexed)

18.2 million unique domains

Top 10 million per time period

5 periods: 2023-2025

Instant lookups via Cloudflare KV

🌐 Full CC WebGraph

94-163 million domains per period

607 million total records

Raw .gz files (~2-3 GB each)

Available at commoncrawl.org

Why is my domain not found?

This tool indexes the top 10 million domains per time period (by HC rank), resulting in ~18.2 million unique domains. If your domain isn't found, it likely ranks below #10,000,000 in all indexed periods.

Domains outside the top 10M per period are in the "long tail" — they exist in Common Crawl's full dataset but aren't indexed here for performance reasons.

How often is this data updated?

Common Crawl releases new WebGraph data every month. This tool includes:

'23 Mid (Mar-May-Oct) • '23 Late (Sep-Nov-Feb) • '24 Early (Feb-Apr-May) • '24 Mid (May-Jun-Jul) • '25 Late (Oct-Nov-Dec)

Why do ranks change over time?

Domain rankings fluctuate as the web evolves. New links are created, old ones disappear, and new domains emerge. A domain gaining quality backlinks will see improved ranks, while losing links causes ranks to drop.

What do the tier badges mean?

👑 Elite = Top 100 | 🥇 Top 1K = #101-1,000 | 🥈 Top 10K = #1,001-10,000

🥉 Top 100K = #10,001-100,000 | 📈 Top 1M = #100,001-1,000,000 | 📊 Long Tail = #1,000,001+

🧪 Host Index (Experimental)

Special thanks to Greg Lindahl, CTO of Common Crawl, for sharing their new Host Index data product!

⚠️ Experimental: Queries may take 30-60 seconds. Data is queried directly from Common Crawl's Parquet files.

📦 What is the Host Index?

Rich per-host data from Common Crawl including:

HC/PR Scores (0-10) — Normalized ranking metrics
Fetch Stats — 200/3xx/4xx/5xx response counts
Crawl Budget — URLs fetched vs unfetched vs gone
Page Size — Median compressed size

📂 View on GitHub →

🔍 CC Rank Checker