Soft 404 Check (soft-404-check)

Summary

Detects soft-404 responses and grades real error-page UX.

Classification

• Category: SEO
• Plugin id: soft-404-check
• Version: 1.0.0
• Target types: WEBSITE, WEBSHOP
• Weight class: LIGHT
• Risk level: not set on plugin object
• Browser required: No (HTTP / Node / other — see source)
• Tier / group: Tier 1 — HTTP-only

Schedule

• scheduleHints: { defaultInterval: '20 3 * * *', priority: 6 }
• Prerequisites: None declared on this plugin.

Configurable inputs

Public keys are derived from inputSchema: z.object({ ... }) (underscore-prefixed keys are runtime-only and omitted here).

Field	Notes
timeout	Zod field in inputSchema — see source for defaults, min/max, and .describe().

Runtime / injected config

• None documented beyond standard worker context (target, config, logger, reportProgress). Underscore-prefixed keys are internal.

What it does

• Runs as part of the worker test execution pipeline; results become Run rows and may create Finding records.
• Detects soft-404 responses and grades real error-page UX.
• For finding titles, metrics, and artifacts specific to this plugin, refer to the implementation linked below.

Source

packages/test-plugins/src/plugins/soft-404-check.ts