# Social Platforms

> Platform-specific guidelines, best practices, and strategies for social media marketing

- Skill: `monumentalsystems/social-platforms` (Agent Skill)
- Install (CLI): `npx skillmds add monumentalsystems/social-platforms`
- Raw SKILL.md: https://api.skillmd.com/api/skills/monumentalsystems/social-platforms/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Marketing & Growth
- Author: monumentalsystems (https://skillmd.com/u/monumentalsystems)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/monumentalsystems/social-platforms

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# Social Platforms

## Platform-Specific Guidelines

### Twitter/X
- **Character Limit**: 280 characters (premium: 25,000)
- **Content Style**: Concise, timely, conversational
- **Best For**: News, updates, customer service, real-time engagement
- **Hashtags**: 1-2 relevant hashtags, use sparingly
- **Media**: Images (4:5 or 16:9), videos (up to 2:20), GIFs
- **Posting Frequency**: 3-5 tweets per day
- **Best Times**: 8-10 AM, 12-1 PM, 5-6 PM (local time)

### LinkedIn
- **Character Limit**: 3,000 characters for posts, 100,000 for articles
- **Content Style**: Professional, educational, industry-focused
- **Best For**: B2B marketing, thought leadership, recruitment
- **Hashtags**: 3-5 relevant hashtags, mix of broad and niche
- **Media**: Images (1200x627), videos (up to 10 minutes), documents
- **Posting Frequency**: 1-2 posts per day, 1 article per week
- **Best Times**: Tuesday-Thursday, 8-10 AM or 5-6 PM

### Instagram
- **Character Limit**: 2,200 characters for captions
- **Content Style**: Visual, aesthetic, lifestyle-oriented
- **Best For**: Brand awareness, visual storytelling, engagement
- **Hashtags**: 5-30 hashtags, use all 30 for discovery
- **Media**: Posts (1080x1080), Stories (1080x1920), Reels (9:16)
- **Posting Frequency**: 1-2 posts per day, 5-10 Stories per day
- **Best Times**: Monday-Friday, 11 AM-1 PM or 7-9 PM

### Facebook
- **Character Limit**: 63,206 characters for posts
- **Content Style**: Informative, community-focused, shareable
- **Best For**: Community building, event promotion, longer-form content
- **Hashtags**: 1-2 hashtags, less important than other platforms
- **Media**: Images (1200x630), videos (up to 240 minutes), live streams
- **Posting Frequency**: 1-2 posts per day
- **Best Times**: Thursday-Sunday, 1-4 PM

### TikTok
- **Character Limit**: 150 characters for captions, 2,200 for comments
- **Content Style**: Entertaining, authentic, trend-driven
- **Best For**: Brand awareness, reaching younger audiences, viral content
- **Hashtags**: 3-5 hashtags, include trending and niche hashtags
- **Media**: Vertical videos (9:16), 15-60 seconds optimal
- **Posting Frequency**: 1-3 videos per day
- **Best Times**: 7-9 AM, 12-3 PM, 7-11 PM

## Character Limits and Formats

### Text Content Limits
| Platform | Post Limit | Caption Limit | Comment Limit |
|----------|------------|---------------|---------------|
| Twitter/X | 280 (25K premium) | N/A | N/A |
| LinkedIn | 3,000 | 3,000 | 1,250 |
| Instagram | 2,200 | 2,200 | 2,200 |
| Facebook | 63,206 | 63,206 | 8,000 |
| TikTok | 150 | 2,200 | 2,200 |

### Image Specifications
| Platform | Post Size | Story Size | Aspect Ratio |
|----------|-----------|------------|--------------|
| Twitter/X | 1200x675 | N/A | 16:9 |
| LinkedIn | 1200x627 | 1080x1920 | 16:9 / 9:16 |
| Instagram | 1080x1080 | 1080x1920 | 1:1 / 9:16 |
| Facebook | 1200x630 | 1080x1920 | 16:9 / 9:16 |
| TikTok | N/A | 1080x1920 | 9:16 |

### Video Specifications
| Platform | Max Length | Max Resolution | File Size |
|----------|------------|----------------|-----------|
| Twitter/X | 2:20 | 1920x1200 | 512MB |
| LinkedIn | 10:00 | 1920x1080 | 5GB |
| Instagram | 60:00 | 1080x1920 | 4GB |
| Facebook | 240:00 | 1920x1080 | 4GB |
| TikTok | 10:00 | 1080x1920 | 287.6MB |

## Hashtag Strategies

### Hashtag Types
- **Branded Hashtags**: Unique to your brand (e.g., #JustDoIt)
- **Campaign Hashtags**: For specific campaigns or events (e.g., #SummerSale2024)
- **Industry Hashtags**: Broad industry terms (e.g., #DigitalMarketing)
- **Niche Hashtags**: Specific to your topic (e.g., #ContentMarketingTips)
- **Trending Hashtags**: Currently popular (use cautiously)

### Hashtag Best Practices
- **Relevance**: Only use hashtags relevant to your content
- **Mix**: Combine broad, niche, and branded hashtags
- **Research**: Research hashtag popularity and competition
- **Placement**: Place hashtags at the end of captions or in first comment
- **Consistency**: Use consistent branded hashtags across campaigns

### Platform-Specific Hashtag Strategy
| Platform | Optimal Count | Strategy |
|----------|---------------|----------|
| Twitter/X | 1-2 | Focus on trending and relevant |
| LinkedIn | 3-5 | Mix of industry and niche |
| Instagram | 20-30 | Use all 30 for maximum reach |
| Facebook | 1-2 | Less important, use sparingly |
| TikTok | 3-5 | Mix trending and niche |

## Best Posting Times

### General Guidelines
- **Morning**: 8-10 AM (catch people starting their day)
- **Lunch**: 12-1 PM (people on breaks)
- **Evening**: 5-7 PM (post-work engagement)
- **Late Night**: 9-11 PM (mobile usage peaks)

### Platform-Specific Best Times
| Platform | Best Days | Best Times (Local) |
|----------|-----------|-------------------|
| Twitter/X | Wednesday, Friday | 9 AM, 12 PM, 5 PM |
| LinkedIn | Tuesday, Wednesday, Thursday | 8-10 AM, 5-6 PM |
| Instagram | Monday, Tuesday, Friday | 11 AM-1 PM, 7-9 PM |
| Facebook | Thursday, Friday, Saturday | 1-4 PM |
| TikTok | Tuesday, Thursday | 7-9 AM, 12-3 PM, 7-11 PM |

### Time Zone Considerations
- **Audience Location**: Post according to your audience's time zone
- **Global Audiences**: Consider posting at multiple times
- **Scheduling**: Use scheduling tools to post at optimal times
- **Testing**: Experiment with different times to find what works for your audience

## Content Strategy by Platform

### Twitter/X Strategy
- **Real-time engagement**: Participate in trending conversations
- **Thread series**: Break down complex topics into threads
- **Customer service**: Respond to mentions and DMs promptly
- **Newsjacking**: Connect your brand to current events (when appropriate)
- **Polls and questions**: Engage audience with interactive content

### LinkedIn Strategy
- **Thought leadership**: Share industry insights and expertise
- **Employee advocacy**: Encourage team members to share content
- **Long-form articles**: Publish in-depth articles on LinkedIn Pulse
- **Video content**: Share professional videos and webinars
- **Community building**: Engage with comments and build relationships

### Instagram Strategy
- **Visual consistency**: Maintain cohesive aesthetic across posts
- **Stories**: Use Stories for behind-the-scenes and daily updates
- **Reels**: Create short, entertaining videos for reach
- **Carousel posts**: Share multiple images or tips in one post
- **Influencer partnerships**: Collaborate with relevant influencers

### Facebook Strategy
- **Community building**: Create and manage Facebook Groups
- **Live video**: Go live for Q&As, events, and announcements
- **Event promotion**: Create and promote events on Facebook
- **Longer-form content**: Share articles and guides
- **Customer reviews**: Encourage and respond to reviews

### TikTok Strategy
- **Trend participation**: Jump on trending sounds and challenges
- **Educational content**: Share tips and how-to videos
- **Behind-the-scenes**: Show the human side of your brand
- **User-generated content**: Encourage and feature user content
- **Consistency**: Post regularly to build audience