To assess the effectiveness of lead generation on the site, it is necessary to use a comprehensive analysis of key indicators and tools of analytics:

1. Installation of goals and KPI - determine specific success indicators, for example lead generation, the number of leads, CPL (cost per lead), the level of conversion of visitors to the applications.

2. Site analysts - use tools like Google Analytics or Yandex.Metrica to track traffic sources, user behavior and conversions.

3. Analysis of traffic sources - identify the most profitable channels, compare them by the number of leads, cost and quality.

4. Conversion indicators - track the conversion coefficients at each stage of the funnel: visiting the site, filling out the form, sending the application.

5. The cost of attracting - calculate the CPL for each channel and compare with the vital value of the client (LTV).

6. ROI-indicators-determine the profitability of costs by queue and integrated effectiveness.

7. A/B testing-carry out experiments with landing pages, forms, advertisements to identify the most effective options.

8. The quality of the leads and their subsequent conversion - analyze not only the quantity, but also the quality of the responses, the average check, the time of the decision.

9. Feedback - collect reviews and comments from potential customers to understand how they found the site and what affected their choice.

Constant monitoring, data analysis and strategy adjustment can increase the overall efficiency of lead generation.