REL

Field notes / 003

Browser workflows.
Field notes.

What happens when browser automation meets a real website? Explore the workflows, the data, and the fixes behind REL case studies.

Case studies

03 studies

01 / Property research

Zillow property research
with REL

A resumable Santa Cruz housing study using rel-crawlee and a persistent REL browser session. Property facts, Zestimates, and source captures, stored together in SQLite.

PythonREL + CrawleeSQLite
Read the case study

September 15, 2026 · Fresh crawl

Official inventory / Santa Cruz, CA
14,747residential addresses
3pilot matches verified
City GIS supplies the starting addresses. Three pilot lookups matched Zillow; the longer crawl uses the same inventory. Individual unit completeness is unverified.

Recorded September 15, 2026. Citywide coverage is unverified.

Marketplace research

A reusable Action for finding nearby used items and comparing prices. Choose a profile or add its steps to an existing session. Full unattended research and alert deduplication remain unverified.

Add action ↗Read the case study ↗

03 / Reddit automation

Upvote every post
by a Reddit user

A workflow for discovering a user’s posts, checking existing votes, and verifying each upvote in a persistent REL browser session.

RELBrowser automationVote verification
Read the workflow

Workflow example · No recorded run

Follow the evidence.

Recorded studies include evidence and source code. Workflow examples describe an approach without claiming a completed run.

Build with REL Crawlee ↗