Buffer Blog

• Instagram Image Size Guide 2026: Post, Story, and Reels Dimensions

  Learn the ideal image sizes for all types of Instagram posts so your content is always pixel-perfect.

• 20+ Top Social Media Sites and Platforms to Grow Your Brand in 2026

  You'll recognize some of these social media sites right away. Others might be new to you — and could be exactly what your brand needs to reach the right people.

• What We Learned After Finding 7 Forgotten Jobs Running for 5 Years

  We found 7 forgotten cron jobs had been running for five years – here's how we fixed them and what we learned in the process.

• The Best Time to Post on Twitter/X in 2026: 8.7 Million Posts Analyzed

  We analyzed more than 8.7 million tweets to pinpoint the best time, day, and post format for maximum engagement on X (formerly Twitter).

• 26 Free Instagram Tools to Help Grow Your Account in 2026

  I've pulled together 26 free Instagram tools that can genuinely help creators, marketers, and small businesses grow their accounts without spending a dime.