Klark's blog

Discover the 7 essential indicators for measuring customer satisfaction: CSAT, NPS, CES and more. Methods, tools and best practices to transform your data into concrete actions and boost customer loyalty.

Discover how to precisely calculate the ROI of customer service software: detailed formulas, key indicators, concrete examples with real figures (ROI from 300% to 1800%), and methods for maximizing your return on investment.

Discover the complete guide to customer satisfaction software 2025: definition, key indicators (CSAT, NPS, CES), detailed comparison of the best tools on the market, how to choose and best practices for maximizing the value of your customer feedback.

Find out how to calculate your CSAT score with the complete formula, concrete examples, tools to automate the calculation, and best practices to improve your customer satisfaction rate.

Find out all about CSAT (Customer Satisfaction Score): clear definition, calculation formula, sample questions and best practices for measuring and improving customer satisfaction in real time.

Discover the complete guide to CRM for call centers: definition, essential features, detailed comparison of the best 2025 solutions (Salesforce, Zendesk, HubSpot), how to choose and integrate successfully.