fix(content): replace broken links with archive.org URLs

[denhamparry]

Summary

Fixed 2 broken links in content/talks.md detected by the automated monthly link validation workflow. Both links have been replaced with their archive.org archived versions, preserving historical content access while resolving the validation failures.

Changes Made

• Line 629: Replaced broken emamo.com event link (BSides London 2021) with archive.org snapshot

  • Old: https://emamo.com/event/bsideslondon2021/r/speaker/lewis-denham-parry
  • New: https://web.archive.org/web/20220711204907/https://emamo.com/event/bsideslondon2021/r/speaker/lewis-denham-parry
  • Status: Timeout → Archive available (July 11, 2022)

• Line 974: Replaced broken player.fm podcast link with archive.org snapshot

  • Old: https://player.fm/series/cto-and-co-founder-talk-with-dave-albert/guest-lewis-denham-parry
  • New: https://web.archive.org/web/20220624230804/https://player.fm/series/cto-and-co-founder-talk-with-dave-albert/guest-lewis-denham-parry
  • Status: HTTP 403 Forbidden → Archive available (June 24, 2022)

• Plan document: Updated status from "Reviewed (Approved)" to "Complete"

Motivation

The automated link checker (runs monthly) detected 2 broken links in the talks page:

1. player.fm podcast returned HTTP 403 (access denied)
2. emamo.com event page timed out (likely domain expired or site down)

Both links are from historical events (2019, 2021) and appear permanently unavailable. Using archive.org preserves access to this historical content while maintaining the comprehensive nature of the talks page.

Implementation Approach

Following the project's CLAUDE.md guidance to "Consider using archive.org for important archived content", I:

1. Verified both links are available on archive.org (research phase)
2. Replaced broken links with archive.org URLs
3. Followed the existing pattern in the file (no "(archived)" suffix)
4. Preserved original link text and formatting
5. Kept all event descriptions and context unchanged

This approach:

• ✅ Maintains historical record
• ✅ Improves user experience (working links vs broken ones)
• ✅ Fixes SEO issues (broken links hurt search rankings)
• ✅ Follows project conventions

Testing

• Pre-commit hooks passed (all checks green)
  • trim trailing whitespace
  • fix end of files
  • check for merge conflicts
  • Detect hardcoded secrets (gitleaks)
  • markdownlint
  • cspell (with "emamo" added to .spelling.txt)
  • prettier
• Markdown syntax verified (no formatting issues)
• Archive.org links validated (both return HTTP 200)
• Link format matches existing archive.org links in file
• Event entries preserved with full context
• Code review completed (approved)
• CI link validation (will run on PR)
• Hugo build verification (will run on PR)

Pattern Consistency

The file already contains archive.org links at lines 889, 896 using this format:

[BlueConf](https://web.archive.org/web/20220521180658/https://blueconf.co.uk/)

This PR follows the same pattern (no "(archived)" suffix in link text).

Breaking Changes

None - This is a documentation-only change with no code modifications.

Related Issues

Closes #209

Workflow context:

• Issue created: 2026-02-01 (automated by link-check.yml)
• Workflow run: https://github.com/denhamparry/website/actions/runs/21553512959
• Plan created: 2026-02-03
• Plan reviewed: 2026-02-03 (approved)
• Implementation: 2026-02-03
• Code review: 2026-02-03 (approved)

Files Modified

• content/talks.md - 2 link replacements (lines 629, 974)
• docs/plan/issues/209_broken_links_detected_in_talks_md.md - Status update to "Complete"

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