Smart Social Media Scheduler: 6-Platform Automation with Optimal Timing
Never miss peak engagement hours again with intelligent automation that posts AI-generated content to Reddit, Twitter, LinkedIn, Facebook, Instagram, and Quora at scientifically proven optimal times.
🎯 What This Workflow Does:
This sophisticated n8n workflow runs every 3 hours (8 times daily) to check for optimal posting windows across six major social media platforms. Using research-backed peak engagement data, it automatically generates platform-specific content, posts at the perfect time for maximum reach, tracks performance metrics, and even batch-prepares content during off-peak hours for future use.
✨ Key Features:
8 Daily Checks: Every 3 hours to catch all platform peak times
Science-Based Timing: Posts only during proven high-engagement windows
6 Platforms Covered: Reddit, Twitter/X, LinkedIn, Facebook, Instagram, Quora
AI Content Generation: Platform-optimized posts created automatically
Smart Action Routing: Posts during peak times, prepares content during off-peak
Batch Content Preparation: Generates 20 posts in advance during slow hours
Performance Tracking: Full analytics stored in Supabase
Anti-Spam Protection: 10-minute delays between posts
Day-of-Week Logic: LinkedIn only posts on weekdays
Priority System: High/medium/low priority assignment per platform
Beginner-Friendly: 16+ detailed sticky notes explaining every component
📊 Scientifically Proven Optimal Posting Times:
Reddit:
9:00 AM EST - Morning commute browsing
2:00 PM EST - Afternoon break engagement
6:00 PM EST - Evening leisure time
Twitter/X:
8:00 AM EST - Morning news consumption
12:00 PM EST - Lunch break scrolling
5:00 PM EST - Post-work engagement
LinkedIn:
10:00 AM EST - Mid-morning professional browsing (weekdays only)
2:00 PM EST - Afternoon industry news check (weekdays only)
Facebook:
1:00 PM EST - Lunch hour social time
3:00 PM EST - Afternoon break
7:00 PM EST - Evening family time
Instagram:
11:00 AM EST - Pre-lunch visual browsing
2:00 PM EST - Afternoon inspiration
8:00 PM EST - Prime evening engagement
Quora:
2:00 PM EST - Knowledge-seeking afternoon
9:00 PM EST - Evening research time
🔧 Technical Stack:
Trigger: Schedule (every 3 hours, 8x daily)
Intelligence: Custom JavaScript for optimal time detection
AI Content: Supabase Edge Functions with AI generation
Reddit API: Native n8n node with OAuth2
Twitter API: Native n8n node with OAuth2
LinkedIn API: Native n8n node with OAuth2
Facebook API: Graph API v18.0 with OAuth2
Instagram API: Graph API v18.0 with OAuth2
Quora API: Custom HTTP requests (if available)
Database: Supabase REST API for content storage
Analytics: Performance tracking with full metrics
💡 Perfect For:
Social Media Managers: Automate routine posting across all platforms
Marketing Agencies: Manage multiple client accounts efficiently
Small Businesses: Maintain consistent social presence without full-time staff
Content Creators: Focus on creation, not posting schedules
Personal Brands: Build authority across multiple networks
B2B Companies: Leverage LinkedIn during business hours automatically
E-commerce Brands: Reach customers when they are most active
🚀 What You Will Need:
Required Accounts:
Supabase (free tier available)
Reddit account with app credentials
Twitter/X Developer account
LinkedIn business page
Facebook business page
Instagram Business/Creator account
Quora account (optional)
API Credentials:
Supabase Service Role Key
Reddit OAuth2 credentials
Twitter OAuth 2.0 credentials
LinkedIn OAuth2 credentials
Facebook OAuth2 access token
Instagram Graph API credentials
📈 Use Cases:
Digital Marketing:
Cross-platform brand presence
Consistent messaging across networks
Maximum reach with minimal effort
Data-driven posting strategy
Community Management:
Reddit engagement during peak times
Twitter conversations at optimal hours
LinkedIn thought leadership on schedule
Facebook community building
Lead Generation:
Quora answers during research hours
LinkedIn B2B content during work hours
Multi-platform funnel feeding
Consistent touchpoint creation
Brand Awareness:
Instagram visual content at prime time
Facebook reach during family hours
Twitter trending topic participation
Reddit community authority building
🎓 Beginner-Friendly Features:
Every node includes comprehensive sticky notes with:
Plain English explanations of complex timing logic
Platform-specific best practices for each network
Engagement time research backing the schedule
API setup requirements with credential details
Content strategy tips for each platform
Performance tracking guidance for analytics
Troubleshooting help for common issues
No prior social media automation experience required!
🔄 Workflow Process:
Schedule triggers every 3 hours (00:00, 03:00, 06:00, 09:00, 12:00, 15:00, 18:00, 21:00)
Intelligent time check determines which platforms are in peak windows
Two-path routing based on timing:
PEAK TIME PATH:
AI generates platform-specific content
Content routed to appropriate platform(s)
Posts published with proper formatting
Performance metrics tracked in database
10-minute wait before next post (anti-spam)
OFF-PEAK PATH:
Batch generates 20 posts for all platforms
Content stored in Supabase library
Ready for next peak-time retrieval
Maximizes workflow efficiency
Continuous optimization based on tracked performance
📊 Expected Results:
Posting Frequency:
Up to 56 posts per week (8 checks × 7 days)
Actual posts: 15-25/week (only during peak times)
Batch preparation: 20 posts every off-peak cycle
Engagement Improvements:
30-50% higher engagement vs random posting
2-3x better reach during optimal windows
Consistent brand presence across platforms
Data-driven strategy refinement
Time Savings:
Manual posting: 2-3 hours/day across 6 platforms
Automated posting: <15 minutes/day for oversight
Monthly time saved: 50-80 hours
ROI: 100x+ in time value
Growth Metrics:
Consistent posting schedule builds algorithm trust
Peak-time posts maximize organic reach
Multi-platform presence compounds growth
Performance data enables continuous improvement
🌟 Advanced Features:
Intelligent Scheduling:
Day-of-week awareness (LinkedIn weekdays only)
Hour-specific platform targeting
Priority-based posting (high/medium/low)
Off-peak content preparation
Content Optimization:
Platform-specific formatting (280 chars for Twitter, etc.)
Appropriate tone per network (professional LinkedIn, casual Twitter)
Hashtag strategy by platform
Character limit compliance
Performance Intelligence:
Full engagement tracking per platform
Content performance scoring
A/B testing opportunities
ROI calculation support
Scalability:
Easy to add more platforms
Adjustable posting schedules
Batch size customization
Multi-account support possible
💰 Cost Considerations:
API Costs:
Reddit API: Free
Twitter API: Free tier available (Basic $100/month for more)
LinkedIn API: Free
Facebook API: Free
Instagram API: Free
Supabase: Free tier, paid from $25/month
Time Value:
Manual management: 80 hours/month × $50/hour = $4,000
Automation cost: <$150/month (APIs + tools)
Net savings: $3,850/month
Annual ROI: 300x+
Engagement Value:
30-50% improvement in engagement = more leads
Consistent presence = stronger brand authority
Data-driven optimization = better conversion rates
🔒 Compliance & Best Practices:
Platform Guidelines:
Follow each network's Terms of Service
Respect posting frequency limits
No spam or misleading content
Proper link disclosure
API Rate Limits:
Reddit: 60 requests/minute
Twitter: Varies by tier
LinkedIn: 500 requests/day per member
Facebook: 200 calls/hour per user
Instagram: 200 calls/hour per user
Content Quality:
Original, valuable content only
No duplicate posts across platforms
Proper attribution and sourcing
Engagement-focused, not promotional
Privacy & Security:
OAuth2 for all authentications
Secure credential storage
No password storage
HTTPS for all communications