Redirect PBS to developers

[saengel]

Description

Sefaria used to have a static page for displaying PBS, however it is now outdated - and we'd like instead to redirect to developers.sefaria.org/docs/powered-by-sefaria where we keep the updated list (for now).

Code Changes

1. A permanent redirect to the developer portal
2. Removal of the static page

Notes

The static page was archived in conjunction with the engagement team.

[gitvelocity-reviewer]

📊 Code Quality Score: 1/100

Base Score 11 × ESF 0.1 = 1.1, rounded to 1

Category	Score	Factors
🔭 Scope	2/20	One file modified (sites/sefaria/urls.py) with one slug removed from the static page list and one URL pattern added. The deleted templates/static/powered-by.html is a whole-file deletion excluded from effective lines.
🏗️ Architecture	1/20	No module boundary changed. The route moves from the static-page slug list to the explicit redirect block, following the same pattern already used by /wiki, /developers, and /donate.
⚙️ Implementation	2/20	HttpResponsePermanentRedirect is imported and used in a one-line lambda in site_urlpatterns. The regex r'^powered-by/?$' handles optional trailing slash, consistent with adjacent patterns.
⚠️ Risk	3/20	A 301 response is cached permanently by browsers and search engines. If https://developers.sefaria.org/docs/powered-by-sefaria moves, cached clients will not follow a subsequent change without a cache-busting mechanism. The PoweredByPage React component referenced in the deleted template may remain as dead code in the frontend bundle.
✅ Quality	2/15	No test accompanies the change. No URL routing test verifies the redirect status code or target URL.
🔒 Perf / Security	1/5	No performance or security work is present beyond the standard HTTP 301 response, which carries no security implications in this context.

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[Copilot]

🟢 Approval recommended

The change cleanly replaces the removed static route with a permanent redirect and shows no remaining runtime references to the deleted template.

Pull request overview

This PR retires Sefaria’s outdated “Powered by Sefaria” static page and replaces it with a permanent redirect to the maintained list on the developer portal (developers.sefaria.org).

Changes:

• Removed the legacy templates/static/powered-by.html static page template.
• Stopped routing /powered-by through serve_static and added a 301 redirect from /powered-by to https://developers.sefaria.org/docs/powered-by-sefaria.

File summaries

File	Description
templates/static/powered-by.html	Deleted the deprecated static template formerly used for the “Powered by Sefaria” page.
sites/sefaria/urls.py	Removes powered-by from the static page router and adds a permanent redirect for /powered-by.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Lite

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