Self-hosted web content capturing and change detection(rubyup.dev)

Monitor your critical web content with precision. Webcap captures complete snapshots of websites and tracks exactly what changes over time.

Features

Complete Website Preservation: Captures pixel-perfect screenshots and complete HTML source code with automatic monitoring at configurable intervals.

Visual Change Detection: Image overlays highlight exactly what changed between snapshots with quantified similarity scoring.

HTML Source Comparison: Line-by-line syntax-highlighted diff view shows structural modifications in the underlying code.

Professional Interface: Clean, responsive design with tabbed navigation for effortless comparison between screenshots, visual diffs, and HTML analysis.

Self-Hosted Security: Operates entirely within your infrastructure with complete data ownership and control.

Flexible Monitoring: Configure capture intervals from minutes to weeks with individual URL activation control.

Background Processing: Reliable operation with automatic retry mechanisms and detailed error reporting.

databases

• SQLite

background job libraries

• Active Job
• Solid Queue

frontend frameworks

• Hotwire Turbo

deployment tools

• Other

css frameworks

• Bulma

asset pipelines

• Propshaft

template engines

• ERB

ruby implementations

• MRI Ruby (CRuby)