Contact center dashboards can show dozens of metrics, but tracking everything does not mean you are measuring the right things. Teams may reduce call times to improve efficiency, only to find that customers are calling back because their problems were never resolved.
The solution is to focus on 10 contact center KPIs that measure customer outcomes, accessibility, efficiency, and quality, while avoiding five metrics that can encourage the wrong behaviour when used as performance targets.
How to Choose the Right Contact Center KPIs
First of all, start with your business goals. If customer retention matters, focus on resolution and customer experience. If reducing costs is the priority, track efficiency alongside service quality.
Every efficiency KPI should be paired with a quality or outcome metric. Review performance monthly, with quarterly reviews to assess broader trends. This helps you identify whether a change is genuinely improving service or simply making the numbers look better.
The 10 Contact Center KPIs That Actually Matter
A. Customer Outcome KPIs
1. First Contact Resolution (FCR)
FCR measures the percentage of customer issues resolved during the first interaction without requiring follow-up.
Formula: (Issues resolved on first contact ÷ Total issues handled) × 100
A high FCR usually means customers spend less time chasing answers and agents handle fewer repeat contacts. Check repeat contacts and reopened cases too, so an issue is not marked resolved prematurely.
2. Customer Satisfaction Score (CSAT)
CSAT measures how satisfied customers are with a specific interaction, usually through a post-contact survey.
Formula: (Satisfied responses ÷ Total survey responses) × 100
Use CSAT to understand how customers feel about the support they receive. However, track the survey response rate alongside the score because a small or unrepresentative sample can distort results.
3. Net Promoter Score (NPS)
NPS measures how likely customers are to recommend your business to others, making it useful for understanding broader customer loyalty.
Formula: Percentage of promoters − Percentage of detractors
Use NPS to monitor changes in customer sentiment over time rather than judging individual agents on a single interaction. It reflects the wider customer relationship, not just contact center performance.
4. Customer Effort Score (CES)
CES measures how easy or difficult customers find it to resolve an issue. A short survey can ask customers how much effort they had to put into getting help.
Measurement: Average response to a customer effort question, using your chosen scale.
High effort may indicate repeated explanations, unnecessary transfers, or confusing processes. Keep the question and scoring method consistent when comparing results.
B. Speed and Access KPIs
5. Service Level
Service level measures the percentage of calls answered within a defined time, such as 80% within 20 seconds.
Formula: (Calls answered within the target time ÷ Eligible incoming calls) × 100
It helps managers plan staffing and monitor queue performance. Define how abandoned calls and other excluded contacts are treated so comparisons remain meaningful.
6. Call Abandonment Rate
This measures the percentage of callers who hang up before reaching an agent.
Formula: (Calls abandoned before answer ÷ Eligible incoming calls) × 100
A high rate may point to long waits, insufficient staffing, or a confusing IVR menu. Read it alongside service level and average speed of answer to understand what is happening.
7. Average Speed of Answer (ASA)
ASA measures the average time callers wait in the queue before an agent answers.
Formula: Total waiting time for answered calls ÷ Total calls answered
ASA helps identify delays and staffing gaps. However, it excludes callers who abandon before an agent answers, so a low ASA alone does not guarantee that customers are getting through quickly.
C. Efficiency and Quality KPIs
8. Average Handle Time (AHT)
AHT measures the average time spent handling a contact, including talk time, hold time, and after-call work.
Formula: (Total talk time + Hold time + After-call work) ÷ Total contacts handled
Use AHT for workload planning, staffing, and identifying inefficient processes. Do not automatically reward lower AHT; agents may rush customers or leave issues unresolved to shorten calls.
9. Agent Occupancy
Occupancy measures the proportion of an agent’s available working time spent handling contacts and related work.
Formula: Handling time ÷ Available time × 100
It helps managers balance staffing and workload. Consistently high occupancy can leave agents with too little recovery time between contacts, while very low occupancy may indicate excess capacity or scheduling problems.
10. Quality Assurance (QA) Score
QA scores measure interactions against defined quality standards, including accuracy, compliance, communication, and resolution.
Formula: Points earned ÷ Total applicable points × 100
Regular quality assurance in call centers helps identify training needs and recurring customer issues. Use consistent scorecards and review a representative sample—or automated evaluations with human validation—to understand performance beyond call duration.
Quick Reference: Which KPIs Should You Pair?
| KPI | What it tells you | Pair it with |
| FCR | Whether issues are resolved first time | AHT |
| CSAT | Satisfaction with the interaction | FCR |
| NPS | Broader customer loyalty | CES |
| CES | Effort required to get help | FCR |
| Service level | Whether calls are answered on time | Abandonment rate |
| Abandonment rate | How many callers leave the queue | ASA |
| ASA | How long answered callers wait | Abandonment rate |
| AHT | Average handling time | FCR and QA score |
| Agent occupancy | How much available time is spent handling contacts | QA score |
| QA score | Whether interactions meet quality standards | AHT and CSAT |
5 Contact Center Metrics to Ignore as Primary Targets
These metrics can still provide useful information. The problem starts when managers use them as standalone targets or rewards.
1. Raw AHT as a performance goal
Pushing agents to shorten every call can lead to rushed conversations, incomplete resolutions, and repeat contacts. Track AHT to understand efficiency, but assess it alongside FCR and QA.
2. Total call volume without context
A high call count does not necessarily mean better performance. It can reflect repeat contacts, simple queries, or unresolved issues. Measure resolved contacts and customer outcomes instead.
3. Speed to answer alone
Answering quickly is useful, but it means little if the customer does not receive the right help. Pair speed metrics with resolution and satisfaction measures.
4. Individual outbound calls per agent
Call count alone ignores connection rates, conversation quality, and successful outcomes. For sales or collections, consider meaningful measures such as conversion, right-party contact, and compliance.
5. Email or chat response time without resolution
A quick reply that fails to answer the customer’s question can create more messages and frustration. Measure resolution time and customer effort alongside response speed.
How to Track Contact Center KPIs at Scale
Manual call reviews cover only a portion of customer interactions. Contact center analytics software and call center voice analytics can help teams identify recurring issues and monitor quality across a larger share of calls.
AI-powered quality monitoring can support automated scoring, while AI agent assist can give agents relevant information during live conversations. These tools are most useful when they help teams improve resolution and customer experience.
Conclusion
The right contact center KPIs help you balance customer satisfaction and team performance. Focus on the metrics that align with your business goals, and avoid using numbers like AHT or call volume as standalone measures of success. Choose the KPIs that give you a clear picture of what’s working and where you need to improve.
Want to improve your contact center reporting? Talk to CXFirst about your analytics and quality monitoring needs.
Frequently Asked Questions
Start with a focused set of core KPIs aligned with business goals. The 10 metrics above provide a balanced starting point, but the right selection depends on your contact center’s size, channels, and objectives.
Review operational performance weekly or monthly, depending on call volume and business needs. Assess broader customer trends and targets quarterly.
A metric measures an activity or result. A key performance indicator (KPI) is a metric selected to measure progress toward a specific business goal.
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