feat: faq and seal calculation changes

[emmambd]

Summary:

• Added 2 new FAQ questions to the Seal of Reliability description page
  How It Is Calculated page
• Fixed minor issues with the Official criterion on the
• Modified and clarified Stable and Available criteria

Expected behavior:

Explain and/or show screenshots for how you expect the pull request to work in your testing (in case other devices exhibit different behavior).

Testing tips:

Go to /seal-of-reliability and /seal-of-reliability/how-it-is-calculated in Vercel

Please make sure these boxes are checked before submitting your pull request - thanks!

• Run the unit tests with yarn test to make sure you didn't break anything
• Add or update any needed documentation to the repo
• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
• Include screenshot(s) showing how this pull request works and fixes the issue(s)

[welcome]

Thanks for opening this pull request! You're awesome. We use semantic commit messages to streamline the release process. Before your pull request can be merged, you should update your pull request title to start with a semantic prefix. Examples of titles with semantic prefixes:

• fix: Bug with ssl network connections + Java module permissions.
• feat: Initial support for multiple @PrimaryKey annotations.
• docs: update RELEASE.md with new process
  To get this PR to the finish line, please do the following:
• Include tests when adding/changing behavior
• Include screenshots

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Project	Deployment	Actions	Updated
mobilitydatabase-web	Ready	Preview	Sep 10, 2026 6:10pm UTC

[github-actions]

*Lighthouse ran on https://mobilitydatabase-9fs8mnfo9-mobility-data.vercel.app/ * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟠 85	🟢 94	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-9fs8mnfo9-mobility-data.vercel.app/feeds * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟠 86	🟠 88	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-9fs8mnfo9-mobility-data.vercel.app/feeds/gtfs/mdb-2126 * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🔴 34	🟢 94	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-9fs8mnfo9-mobility-data.vercel.app/feeds/gtfs_rt/mdb-2585 * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟠 85	🟠 84	🟢 96	🟢 100

*Lighthouse ran on https://mobilitydatabase-9fs8mnfo9-mobility-data.vercel.app/feeds/gbfs/gbfs-flamingo_porirua * (Desktop)
⚡️ HTML Report Lighthouse report for the changes in this PR:

Performance	Accessibility	Best Practices	SEO
🟠 81	🟢 94	🟢 96	🟢 100