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Website Migration Tool

Use cases

Site migrations and platform changes Domain consolidations URL structure changes Recovering traffic after a rebrand

Speeds up site migration planning by automatically matching old URLs to their best new equivalents using semantic similarity of titles, H1s, and content.

Generates redirect mappings with confidence scores so you can focus manual review on uncertain matches.

Streamlit App

Platform

Browser-based (no installation required)

Input

Old site URL list (Screaming Frog crawl or sitemap)

New site URL list with page titles/content

Optional: page content or H1s for better matching

Output

Complete redirect mapping file with old URLs, new URLs, and confidence scores ready for implementation.

Launch App View Source

Features

  • Sentence Transformer semantic matching
  • Bulk URL processing
  • Confidence scoring for each match
  • Export in multiple redirect formats
  • Low-confidence flagging for manual review

How to use

  1. 1 Crawl or export URLs from the old site
  2. 2 Crawl or export URLs from the new site
  3. 3 Upload both files to the tool
  4. 4 Run semantic matching to find best redirect targets
  5. 5 Review confidence scores and manually check low-confidence matches
  6. 6 Export redirect rules in your preferred format

Let's work together

Monthly retainers or one-off projects. No lengthy reports that sit in a drawer.

Let's Talk