Built a web-archive recovery engine for domain and content research

An asynchronous Python service that indexes historical snapshots of any domain from public web archives, previews old pages and exports clean datasets for analysts.

Data EngineeringBackend DevelopmentAPI Development
★★★★½4.5/5Average client rating
AsyncBackground worker pipeline
FullSnapshot history per domain
CSVOne-click export for analysts
The challenge

What needed to change

Researchers evaluating domains needed to see what a site used to publish. Browsing archives manually was slow, and there was no way to analyse history at scale.

Data EngineeringBackend DevelopmentAPI Development
Our approach

How we solved it

Archive fetcher

A CDX-based fetcher that pulls snapshot indexes for each domain efficiently.

Worker loop

An async background worker that queues and processes domains without blocking the API.

Preview

Rendered previews of historical pages directly in the app.

Export

Filtered CSV exports ready for spreadsheets and BI tools.

The results

Outcomes we're accountable for

Measured against the targets agreed during discovery.

AsyncBackground worker pipeline
FullSnapshot history per domain
CSVOne-click export for analysts
5Core technologies in the build

Technology used

PyPython
FaFastAPI
SQSQLAlchemy
AsAsync workers
DoDocker

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