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feat: add Plausible privacy-focused analytics to all HTML pages#350

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feat: add Plausible privacy-focused analytics to all HTML pages#350
pethers with Copilot wants to merge 2 commits into
mainfrom
copilot/implement-privacy-focused-analytics

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Copilot AI commented Feb 19, 2026 •
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No analytics existed to measure user engagement or validate the ROI of 176 recent article enhancements. This adds Plausible Analytics — cookie-free, GDPR-compliant, no consent banner required — across all 545 HTML pages.

New files

  • js/plausible-events.js — IIFE with Plausible queue polyfill, scroll-depth milestones (25/50/75/100%), a one-shot Article Read event at 75%, and Document Click tracking on .document-link elements. Language inferred from <html lang>, article type from URL pattern.
  • scripts/add-analytics.py — Idempotent script that back-fills all existing HTML with the Plausible loader (<head>) and the events script (</body>), computing the correct relative path depth automatically.
  • tests/plausible-events.test.js — 29 tests: polyfill fallback, language/article-type detection, all 4 scroll milestones, Article Read deduplication, Document Click props.

Template update

scripts/article-template.js updated so every future auto-generated article includes both tags without manual intervention.

Custom events shape

// Scroll milestone + Article Read (75%)
plausible('Scroll Depth', { props: { scrollDepth: '75%', language: 'sv', articleType: 'committee-reports' } });
plausible('Article Read',  { props: { language: 'sv', articleType: 'committee-reports' } });

// Parliamentary document link click
plausible('Document Click', { props: { documentId: 'H901AU1', language: 'en', articleType: 'evening-analysis' } });

Privacy

No cookies, no PII, no fingerprinting. Script loaded with defer over HTTPS. No consent banner needed under GDPR.

Original prompt

This section details on the original issue you should resolve

<issue_title>Implement Privacy-Focused Analytics and Monitoring for News Articles</issue_title>
<issue_description># 📋 Issue Type
Monitoring / Analytics

🎯 Objective

Implement comprehensive monitoring and analytics for news articles to track user engagement, identify popular content, and measure the impact of recent enhancements.

📊 Current State

Analytics Gap: Limited visibility into:

  • Article page views and unique visitors
  • Time on page and bounce rate
  • Most popular articles by date/type
  • User flow (entry → engagement → exit)
  • Search traffic sources
  • 14-language version performance
  • Device/browser breakdown

Problem: Can't measure success of Issues #306-334 enhancements

🚀 Desired State

Comprehensive Analytics:

  • ✅ Page view tracking per article
  • ✅ Engagement metrics (time on page, scroll depth)
  • ✅ Popular content identification
  • ✅ User flow analysis
  • ✅ Search traffic attribution
  • ✅ Language version comparison
  • ✅ Device/browser analytics
  • ✅ Real-time monitoring dashboard

🔧 Implementation Approach

Step 1: Privacy-Focused Analytics

Option A: Plausible Analytics (GDPR-compliant, no cookies)

<script defer data-domain="riksdagsmonitor.com" src="https://plausible.io/js/script.js"></script>

Option B: Self-Hosted Matomo (full control)

<script>
  var _paq = window._paq = window._paq || [];
  _paq.push(['trackPageView']);
  _paq.push(['enableLinkTracking']);
</script>

Step 2: Custom Events Tracking

// Track article engagement
plausible('Article Read', {
  props: {
    articleType: 'committee-reports',
    date: '2026-02-18',
    language: 'en',
    scrollDepth: '75%'
  }
});

// Track document link clicks
document.querySelectorAll('.document-link').forEach(link => {
  link.addEventListener('click', () => {
    plausible('Document Click', {
      props: { documentId: link.dataset.docId }
    });
  });
});

Step 3: Performance Monitoring

// Core Web Vitals
import {getCLS, getFID, getLCP} from 'web-vitals';

getCLS(console.log);
getFID(console.log);
getLCP(console.log);

Step 4: Analytics Dashboard

**Metrics to Track**:
- Total page views (last 7/30/90 days)
- Top 10 most-viewed articles
- Average time on page by article type
- Bounce rate by article type
- Language version distribution
- Device breakdown (desktop/mobile/tablet)
- Browser breakdown
- Search traffic keywords
- Referral sources

✅ Acceptance Criteria

  • Analytics platform deployed (Plausible or Matomo)
  • Tracking code added to all article pages
  • Custom events implemented (article read, document clicks)
  • Performance monitoring implemented (Core Web Vitals)
  • Dashboard accessible to maintainers
  • Privacy policy updated with analytics disclosure
  • GDPR compliance verified (no PII collection)
  • Documentation created for analytics access
  • Baseline metrics captured (first week of data)

📚 References

🤖 Recommended Agent

devops-engineer or frontend-specialist

📝 Notes

Why Critical: Without analytics, we can't measure the ROI of Issues #306-334 (176 articles enhanced). Need data to justify future investments.

Privacy First: Use cookie-less analytics (Plausible) or self-hosted (Matomo) to ensure GDPR compliance without consent banners.

Quick Win: Plausible can be deployed in <1 day, provides immediate insights.

Timeline: 1-2 days (Plausible) or 3-4 days (Matomo self-hosted)</issue_description>

<agent_instructions>Run automated accessibility audit with axe-core and Lighthouse on 10+ representative articles. Conduct manual keyboard navigation and screen reader tests (NVDA/VoiceOver). Fix color contrast issues (≥4.5:1), add missing ARIA labels, verify correct lang attributes for all 14 languages, ensure focus indicators visible. Target: Lighthouse accessibility score ≥95, zero critical/serious issues. Sweden's accessibility law (2019:937) requires WCAG 2.1 AA compliance.</agent_instructions>

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Copilot AI mentioned this pull request Feb 19, 2026
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@pethers
feat: add Plausible privacy-focused analytics to all HTML pages
22f0ef8 
Co-authored-by: pethers <1726836+pethers@users.noreply.github.com>
Copilot AI changed the title [WIP] Implement privacy-focused analytics and monitoring for news articles feat: add Plausible privacy-focused analytics to all HTML pages Feb 19, 2026
Copilot AI requested a review from pethers February 19, 2026 17:50
@github-actions github-actions Bot added dashboard Interactive dashboards (Chart.js/D3.js) html-css HTML/CSS changes javascript JavaScript code changes i18n Internationalization/localization translation Translation updates rtl RTL language support (Arabic, Hebrew) deployment Deployment configuration testing Test coverage refactor Code refactoring news News articles and content generation size-xl Extra large change (> 1000 lines) labels Feb 19, 2026
@github-actions

github-actions Bot commented Feb 19, 2026

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🔍 Lighthouse Performance Audit

Category Score Status
Performance 85/100 🟡
Accessibility 95/100 🟢
Best Practices 90/100 🟢
SEO 95/100 🟢

📥 Download full Lighthouse report

Budget Compliance: Performance budgets enforced via budget.json

@pethers pethers closed this Feb 19, 2026
@pethers
pethers deleted the copilot/implement-privacy-focused-analytics branch February 19, 2026 21:41
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dashboard Interactive dashboards (Chart.js/D3.js) deployment Deployment configuration html-css HTML/CSS changes i18n Internationalization/localization javascript JavaScript code changes news News articles and content generation refactor Code refactoring rtl RTL language support (Arabic, Hebrew) size-xl Extra large change (> 1000 lines) testing Test coverage translation Translation updates

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Implement Privacy-Focused Analytics and Monitoring for News Articles

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