feat: Add environment-controlled SEO indexing#257
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- add SEOControl component for conditional robots meta tags - create dynamic robots.txt based on NEXT_PUBLIC_ALLOW_INDEXING - update next.config.js with new environment variables - include comprehensive documentation and examples - support for staging/production environment differentiation - compatible with Google AI Mode and modern SEO practices Environment variables: - NEXT_PUBLIC_ALLOW_INDEXING: controls indexing (default: true) - NEXT_PUBLIC_SITE_URL: site URL for robots.txt sitemap reference
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Pull Request Overview
This PR implements environment-controlled SEO indexing to prevent search engines from indexing non-production environments while allowing indexing in production through environment variable configuration.
- Adds conditional noindex meta tags based on
NEXT_PUBLIC_ALLOW_INDEXINGenvironment variable - Implements dynamic robots.txt generation that blocks or allows crawlers depending on environment
- Integrates SEO control component globally through
_app.tsx
Reviewed Changes
Copilot reviewed 5 out of 6 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
src/components/seo-control.tsx |
New component that conditionally adds noindex meta tags when indexing is disabled |
src/pages/robots.txt.tsx |
Dynamic robots.txt endpoint that generates appropriate crawler directives based on environment |
src/pages/_app.tsx |
Integrates SEO control component globally across all pages |
docs/seo-indexing-control.md |
Comprehensive documentation covering implementation, configuration, and usage |
.env.local.example |
Example environment configuration file with SEO indexing variables |
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Summary
This PR adds environment-controlled SEO indexing functionality to prevent search engines from indexing development and staging environments while allowing indexing in production.
Changes
Core Implementation
Files Added/Modified
components/seo-control.tsx- New component for meta tag managementpages/robots.txt.tsx- Dynamic robots.txt endpointpages/_app.tsx- Integration of SEO control componentnext.config.js- Environment variable configuration.env.local- Local development settings (indexing disabled).env.local.example- Example environment configurationdocs/seo-indexing-control.md- Comprehensive documentationEnvironment Variables
NEXT_PUBLIC_ALLOW_INDEXING: Controls whether search engines can index the site (true/false)NEXT_PUBLIC_SITE_URL: Site URL for sitemap reference in robots.txtBehavior
When
NEXT_PUBLIC_ALLOW_INDEXING=false(Development/Staging)<meta name="robots" content="noindex, nofollow" />to all pages<meta name="googlebot" content="nosnippet" />for extra protectionDisallow: /blocking all crawlersWhen
NEXT_PUBLIC_ALLOW_INDEXING=true(Production)Testing
✅ Verified meta tags are correctly added in development
✅ Verified robots.txt responds appropriately to environment settings
✅ Confirmed environment variable control works as expected
Documentation
Added comprehensive documentation in
docs/seo-indexing-control.mdcovering:Production Deployment
For production deployment, ensure
NEXT_PUBLIC_ALLOW_INDEXING=trueis set to allow search engine indexing.