Common Ninja Blog

You don't need a design degree or an expensive agency. These free tools and principles will help you create a professional-looking website on your own.

Investors and board members ask about MRR. But the metrics that actually save your company are burn rate, CAC, churn, and LTV. Here's the dashboard you need.

Social media feels productive, but is it profitable? Here's how to connect every post, story, and ad to actual revenue using UTM tracking and attribution.

Pageviews tell you who showed up. Engagement metrics tell you who cared. Here's how to measure what actually matters.

The businesses with the most reviews aren't the ones who ask the loudest. They're the ones with a system. Here's how to build yours.

NPS measures loyalty. CSAT measures satisfaction. You probably need both, but for different reasons. Here's how to choose.

Webinars fill pipelines when they're designed for lead generation, not just education. Here's how to turn attendees into qualified leads.

Email lists are the only marketing asset you truly own. These 12 tactics will help you grow yours without buying contacts or spamming people.

Most landing pages fail because they try to do too much. This step-by-step guide shows you how to build one focused page that converts.

Exit popups can recover 10-15% of leaving visitors when done right. Here's how to design them so they convert instead of annoy.

High CPL eats your marketing budget. This guide shows you exactly where your lead costs are inflated and how to bring them down systematically.

Pricing is the fastest lever for profit growth. This guide shows you how to set prices using margin data, competitor analysis, and discount modeling.

These 7 e-commerce metrics tell you exactly where your store is leaking revenue. Track them weekly to catch problems before they compound.

Before spending a dollar on ads, audit these 15 conversion killers. Most sites leak 30-70% of potential conversions from fixable issues.

Technical SEO controls whether search engines can find, crawl, and index your pages. Here's what to fix first and the free tools to do it.

Master Instagram bio optimization in 2026. Learn proven strategies to boost engagement, attract followers, and convert visitors with SEO-optimized bios that work.