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web-archive-analysis

Analyze Wayback Machine snapshots to detect technology migrations and produce timestamped timelines.

Updated May 27, 2026
Search Tags:#osint#wayback machine#technology detection#migration analysis#web archive#snapshot timeline
One-click install
npx skills add https://github.com/hoanghn61/.agents --skill web-archive-analysis
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: web-archive-analysis
Source: https://github.com/hoanghn61/.agents/tree/main/skills/techstack-identification/web_archive_analysis
Command: npx skills add https://github.com/hoanghn61/.agents --skill web-archive-analysis

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the challenge of identifying which technologies a website used over time, and when migrations occurred, when only the current implementation is available.

Core Features & Use Cases

  • Wayback Machine CDX querying: Retrieves historical snapshot metadata (e.g., by year/month collapse) for a target domain.
  • Snapshot selection and archived retrieval: Chooses representative points in time and fetches the corresponding archived pages for signal extraction.
  • Technology timeline and migration detection: Compares technology signals across snapshots to infer additions/removals and summarize likely migration events (e.g., CMS to React/Next.js, hosting/CDN shifts).
  • Use Case: Investigate a competitor’s modernization timeline by identifying when WordPress signals disappeared and React/Next.js assets started dominating, then produce a timeline of technologies and inferred migration windows.

Quick Start

Ask the system to analyze example.com’ Wayback snapshots and return a technology timeline plus any detected migrations with confidence scores.

Frequently Asked Questions about web-archive-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect technology migrations from Wayback Machine snapshots?▼

The Wayback Machine CDX API supports historical website analysis by returning snapshot metadata collapsed by year or month, allowing you to retrieve representative points in time for technology signal extraction.

Can I track when a website changed its CMS or hosting stack using web archives?▼

Yes, you can track CMS or hosting stack changes by comparing technology signals extracted across multiple archived snapshots to infer additions and removals, summarizing likely migration events with confidence scores.

What's the best way to reconstruct a competitor's technology timeline using OSINT?▼

Reconstructing a competitor's technology timeline using OSINT involves fetching archived website pages from the Wayback Machine, extracting technology fingerprints, and mapping framework or CDN shifts chronologically to identify modernization windows.

Does the Wayback Machine CDX API have rate limits for fetching archived content?▼

Yes, fetching archived content from the Wayback Machine requires respecting rate limits during retrieval, which the Skill manages while fetching archived pages for comparative technology extraction and timeline generation.

How do I select representative snapshots for web archive migration analysis?▼

Selecting representative snapshots for web archive migration analysis involves querying CDX metadata for a target domain, choosing distinct points in time, and fetching the corresponding archived pages to extract comparative technology signals.

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