SageSigma

eCommerce insights and tools for store owners

Practical guides, data-driven strategies, and free calculators to help you grow your online store.

From the blog

Latest posts

The 2026 Amazon SEO Blueprint: Decoding A10, COSMO, and Rufus

A technical breakdown of Amazon's 2026 search ecosystem — how the A10 Algorithm, COSMO Knowledge Graph, and Rufus AI Assistant work together.

May 14, 2026

The Dark Truth of Q-Commerce: Why 10-Minute Delivery is Bankrupting D2C Brands

A data-backed breakdown of what Blinkit, Zepto, and Swiggy Instamart actually cost D2C brands — platform fees, visibility taxes, and the 70% gross margin rule.

May 14, 2026qcommerce

Welcome to the SageSigma Blog

Introducing our new blog and tools platform — your resource for eCommerce insights, strategies, and free tools.

May 13, 2026announcement

View all posts →

Utilities

Featured tools

Calculator

Profit Margin Calculator

Calculate gross margin, markup, and break-even price for your products.

Open tool Formatter

JSON Formatter

Format, validate, and prettify JSON data in real time.

Calculator

ROI Calculator

Measure return on your marketing investments.

Browse all tools