Version history
Record of all updates, new features, fixes and improvements applied to the 72 Hours website.
v3.0 8 February 2026
New pages (14 new, 56 HTML files)
Community section (7 pages):
- Emergency communication. Guide for communicating when networks fail.
- Neighbourhood resilience. How to organise your neighbourhood for emergencies.
- Living without electricity. Strategies for prolonged power cuts.
- Decision simulator. 5 interactive scenarios with scoring.
- Phone tree. Contact chain generator for your neighbourhood.
- Neighbourhood resource map. Interactive grid for mapping local resources.
- Micro-drill. 10-minute exercise with countdown timer and checklist.
New tools and content (7 pages):
- Personal risk assessment. Interactive questionnaire with a 0-100 score.
- Inventory tracker. Stock control with expiry dates (FEFO).
- Psychological first aid. WHO "Look, Listen, Link" methodology.
- Emergency sanitation. Hygiene and waste management without infrastructure.
- Apartment preparedness. Specific guide for flat dwellers.
- Wild edible plants. 12 common plants in Portugal.
- Gas leaks. Procedures for natural gas, LPG and carbon monoxide emergencies.
Interface improvements
- Professional notification system (toasts) with 4 types: success, error, warning and info.
- Custom confirmation dialogs replacing all native browser alerts.
- Dialogs translated in 4 languages (PT, EN, ES, FR).
- Fixed interactive tools (risk assessment and inventory tracker).
- New CSS styles for forms, inventory tables and plant cards.
Bug fixes
- Fixed invisible dynamic elements on interactive pages.
- Added missing CSS classes for risk and inventory tools.
- Added missing CSS variables for English pages with inline styles.
- Service worker cache updated to version 9.
v2.0 7 February 2026
New pages (10 new, 40 HTML files)
- Terms of use and privacy policy.
- Mental health in emergencies. Stress management, PTSD and when to seek help.
- Severe storms. Preparation for strong winds, hail and thunderstorms.
- Important documents. How to protect and organise essential paperwork.
- Evacuation. Route planning and rapid evacuation kit.
- Home fires. Prevention, detection and escape plan.
- Cybersecurity in emergencies. Digital protection during crises.
- Misinformation. How to identify and combat false information in emergencies.
- Power outages. Preparation and response.
- Food safety. Food preservation and hygiene without electricity.
IPMA integration (live data)
- Weather alerts banner on the homepage (API warnings_www.json).
- Updated seismic table on the earthquake page (API seismic/7.json).
- Fire risk widget on the wildfire page (API rcm/rcm-d0.json).
- UV index widget on the heatwave page (API uv/uv.json).
- sessionStorage cache with configurable TTL for each API.
Progressive Web App (PWA)
- Manifest, service worker and icon for installation as an application.
- Offline functionality with caching of all pages.
- Cache-first strategy for static content, network-first for IPMA APIs.
UX and SEO improvements
- Breadcrumbs on all pages.
- Related articles at the bottom of each content page.
- Print button on checklists.
- Print stylesheet (hides widgets, shows link URLs).
- Twitter Card meta tags on all pages.
- Article schema with dates on all content pages.
- Fixed accents in French and Spanish meta tags.
- rel="noopener" attribute on all external links.
v1.0 4-5 February 2026
Initial launch
- Website available in 4 languages: Portuguese, English, Spanish and French.
- 38 content pages per language (152 HTML files).
- Dark/light theme with automatic system preference detection.
- Sidebar navigation with search and language switching.
- Responsive design for all screen sizes.
Initial content
- Natural hazards: earthquakes, wildfires, heatwaves, floods, tsunamis.
- Equipment: checklist, emergency bag, medications, car kit, food supply.
- Interactive tools: generator calculator, water calculator, freezer tracker, budget planner, battery runtime calculator, CPR metronome, bag weight calculator, preparation calendar.
- Planning: family plan, emergency card, drills, preparation timeline.
- Information: IPMA alerts, safety, off-grid communication, financial preparedness, food safety, emergency signals.
- People: vulnerable groups, pets, mental health.
- Reference: emergency contacts, preparedness quiz.
Fact-checking
- 59 facts verified against official sources (ANEPC, INEM, IPMA, WHO, Red Cross).
- 16 incorrect numbers corrected.
- 6 radio frequencies corrected.
- 4 medical corrections applied.