Web Diff Tool

The Web Diff Tool analyzes two URLs to expose where pages diverge in content and structure. This supports SEO audits, migration validation, and content governance by making changes visible and measurable.
Conceptually, the tool fetches server-rendered HTML for both pages, tokenizes visible text and key structural nodes, and applies a diff algorithm to produce a structured report. It reports added, removed, and modified blocks along with a similarity score and contextual snippets.
Beneficiaries include SEO analysts tracking content updates, editors validating changes, and developers assessing code-related diffs during migrations. The tool emphasizes reproducibility, so diffs can be re-created if inputs change in a controlled manner.
Unique value lies in its combination of textual and DOM-level diffs, configurable ignore rules (e.g., ignore query strings or metadata), and exportable outputs for audit trails. Core features include two-URL input, scope options, summary metrics, per-block details, and multiple export formats. Use cases span content refresh validation, site migrations, A/B change analysis, and quality checks for SEO workflows.