Top termsGlossary

This list covers various aspects of feature flagging, from specific techniques and strategies to broader concepts related to the implementation and management of feature flags in software development and operations.

A/B Testing

A/A testing

A/A testing validates A/B testing methods by comparing identical content versions to uncover anomalies, establish a benchmark for future tests, and enhance confidence in testing processes and tools.

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A/B testing

Comparing two versions of a web page or app against each other to determine which one performs better.

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Bayesian methodology updates beliefs based on prior knowledge and new evidence, offering flexibility and clear interpretability. It's valuable for understanding uncertainty and predicting events in fields like machine learning and decision-making.

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Behavioral targeting

Behavioral targeting tailors ads to user interests, boosting engagement and conversions by delivering personalized content based on browsing history and online behavior.

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Bucket testing

Bucket testing, also called A/B testing, compares two versions of a webpage or app to see which performs better, aiding data-driven decisions for enhancing user experience and achieving business goals through iterative improvements.

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Confidence interval

Confidence intervals in A/B testing provide a range of plausible values for the true difference in performance metrics between variations, guiding decision-making and interpretation of results.

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Conversion rate

Conversion rate is the percentage of website visitors who complete a desired action, such as making a purchase, indicating the effectiveness of marketing and website design efforts in driving revenue.

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Correlation quantifies the degree to which two variables are related, ranging from -1 to +1. It's useful for analysis but doesn't imply causation and has limitations like not capturing non-linear relationships and being sensitive to outliers.

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CUPED is a technique that uses pre-experiment data to reduce variance in A/B testing, improving result sensitivity and reliability by focusing on the true effects of the experimental changes.

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Multivariate testing

Testing multiple variables in a controlled environment to determine which combination yields the best outcomes.

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User segmentation

Dividing users into groups based on behavior or attributes for targeted feature releases.

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Above-fold refers to the visible portion of a webpage, critical for engaging users and driving conversions. Key content and actions placed here optimize user experience.

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Average order value

AOV in eCommerce and retail measures average spending per order, vital for pricing strategies and business profitability through tactics like upselling and loyalty programs.

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Below-fold refers to the webpage portion hidden from view without scrolling, essential for delivering supplementary information and enhancing user engagement beyond the initial viewport.

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Bounce rate

Bounce rate measures the percentage of visitors who leave a website after viewing only one page, reflecting engagement and content relevance. Strategies to reduce bounce rate involve improving content, user experience, and page performance.

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Call-to-Action (CTA)

A Call-to-Action (CTA) prompts users to take specific actions, such as subscribing or making a purchase, guiding them through the customer journey and boosting engagement and conversions.

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Churn rate

Churn rate measures the percentage of customers who stop using a company's service or product within a given time, crucial for understanding customer retention and satisfaction, with strategies to reduce churn including enhancing customer experience and engagement.

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Click-through rate

CTR measures how many users click on a link compared to those who view it, crucial for optimizing marketing strategies.

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Correlation quantifies the degree to which two variables are related, ranging from -1 to +1. It's useful for analysis but doesn't imply causation and has limitations like not capturing non-linear relationships and being sensitive to outliers.

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Customer journey management

Customer journey management optimizes the entire customer experience from awareness to post-purchase, focusing on cohesive interactions across touchpoints to enhance satisfaction, loyalty, and conversions.

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Daily active users

Daily Active Users (DAU) measures the unique users engaging with a digital service daily, indicating app engagement, user retention, and product appeal.

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False positive

Daily Active Users (DAU) measures the unique users engaging with a digital service daily, indicating app engagement, user retention, and product appeal.

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Feature flags

Dynamic Config

Dynamic Config enables real-time application behavior and feature adjustments without new code deployments, enhancing flexibility, reducing risk, and improving operational efficiency.

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Feature flag

Switches in software to turn certain features on or off without deploying new code.

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Feature flag analytics

Using data analytics to understand the impact and performance of a feature using feature flags.

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Feature flag management platforms

Tools that help manage and orchestrate feature flags.

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Feature switch

Another common name for feature flags.

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Feature toggle

Also known as feature flag or feature switch.

Learn about Feature toggle

Flag naming conventions

Best practices for naming feature flags to ensure clarity and consistency.

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Kill switches

Mechanisms to quickly disable a feature or functionality in production.

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Operational flags

Feature flags used to control operational aspects of a system.

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Remote configuration

Updating application behavior and settings without redeploying the software.

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Release management

Beta testing

Testing a pre-release version of software by a select group of users in a real-world environment.

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Blue-green deployment

A method of deploying and releasing applications by switching between two identical environments that are only differentiated by their version of the deployed application.

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Canary release

Gradually rolling out changes to a small subset of users to test and validate before a full deployment.

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Dark launching

Releasing a new feature to a subset of users without them being aware of it, for testing purposes.

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Feature lifecycle management

The process of managing the introduction, operation, and retirement of features.

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Flag-driven release

Using feature flags to manage and control the release process.

Learn about Flag-driven release

Gradual rollouts

Slowly rolling out a feature to incrementally increase the user base over time.

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Percentage rollouts

Releasing a feature to a certain percentage of users.

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Progressive rollouts

Slowly rolling out a feature to incrementally increase the user base over time.

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Release management

The process of managing, planning, scheduling, and controlling a software build through different stages and environments.

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Rollback strategies

Plans for quickly reverting changes in case of an issue with a new release.

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Rollout strategies

Plans for how and when new features are introduced to users.

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Tech best practices

Agile software development

Agile software development emphasizes flexibility, collaboration, and rapid delivery through iterative cycles, fostering a culture of continuous improvement and customer involvement.

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Auditing and logging of flag changes

Keeping track of changes made to feature flags for accountability and troubleshooting.

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Canary launch

A canary launch introduces a new feature to a small group of users before a full rollout, aiming to detect and address issues early on, minimizing risks and ensuring a smoother deployment.

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Canary testing

Canary testing gradually introduces new software features to a small group of users, allowing developers to monitor performance and user feedback before a full rollout, reducing risks and ensuring a smoother deployment process.

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Continuous delivery

A software development practice where code changes are automatically prepared for a release to production.

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Continuous deployment

Automatically deploying every valid change to production without explicit approval.

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Continuous Improvement

The concept of continuously refining processes, products, or services to achieve incremental enhancements over time.

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Continuous Integration

The practice of frequently integrating code changes into a shared repository, ensuring early detection of integration errors.

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A cultural and professional movement that promotes collaboration between development and operations teams, emphasizing automation and continuous delivery.

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A methodology that integrates security practices into the DevOps process, emphasizing security from the beginning to the end of the software development lifecycle.

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DORA Metrics

The DevOps Research and Assessment (DORA) metrics are a set of key performance indicators used to assess the effectiveness of DevOps practices and measure organizational performance.

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Environment branching

Creating separate environments for different stages of the development process.

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Flag-driven development

Incorporating feature flags at the start of the development process.

Learn about Flag-driven development

Load testing

Testing how a system performs under a specific load with feature flags.

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Tech debt

Managing the accumulation of outdated or unused feature flags.

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Trunk-based development

A version control strategy where developers commit code to a single branch in the version control system.

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