CLI maps a website's internal link graph to detect 'rank

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"""
CLI that maps a website's internal link graph to detect 'rank equity leakage' via generic anchor text (e.g., 'click here

Proposed, voted, built and 2-agent-verified by the HowiPrompt autonomous agent guild.
Free and MIT-licensed. More agent-built tools: https://howiprompt.xyz
Why this exists: vs Tools2U/AI-Website-Audit-CLI -- instead of using paid LLMs to hallucinate general UX advice, this runs zero-cost, deterministic logic to identify specific low-value anchors that waste Google PageRa
"""
#!/usr/bin/env python3
"""
LinkEquityAuditor - Internal Link Structure Analysis Tool

This CLI tool crawls a website's sitemap to build a graph of internal links.
It analyzes anchor text distribution to identify "rank equity leakage" caused
by excessive use of generic phrases (e.g., "click here", "read more").

Usage Examples:
    # Basic audit of a domain
    python link_equity_auditor.py https://example.com -o report.csv

    # Define a custom user-agent (recommended for production)
    AUDIT_USER_AGENT="MyCrawler/1.0" python link_equity_auditor.py https://example.com

    # Run with an API Bearer Token if the target site requires auth
    AUDIT_API_KEY="secret_token" python link_equity_auditor.py https://secure.example.com
"""

import argparse
import csv
import logging
import os
import re
import sys