fix links and replace aggregation to grouping

Author: ysyneu

flashduty/en/2. RUM/1. Getting Started/1. Introduction.md

@@ -57,6 +57,6 @@ This data is transmitted to the Flashduty backend in real-time for processing an
 
 To learn more about RUM capabilities and best practices, we recommend reading the following documentation:
 
-- [Quick Start](https://docs.flashcat.cloud/zh/flashduty/rum/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Build your user monitoring system from scratch and quickly optimize user experience.
-- [Performance Monitoring](https://docs.flashcat.cloud/zh/flashduty/rum/performance-overview?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Learn more about performance monitoring features.
-- [Error Tracking](https://docs.flashcat.cloud/zh/flashduty/rum/error-tracking-overview?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Learn more about error tracking features. 
+- [Quick Start](https://docs.flashcat.cloud/en/flashduty/rum/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Build your user monitoring system from scratch and quickly optimize user experience.
+- [Performance Monitoring](https://docs.flashcat.cloud/en/flashduty/rum/performance-overview?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Learn more about performance monitoring features.
+- [Error Tracking](https://docs.flashcat.cloud/en/flashduty/rum/error-tracking-overview?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Learn more about error tracking features. 

flashduty/en/2. RUM/1. Getting Started/2. Quick Start.md

@@ -54,7 +54,7 @@ In the RUM console, you can:
 3. Optimize performance metrics
 4. Monitor errors and exceptions
 
-For detailed configuration instructions, please refer to the [RUM Configuration Guide](https://docs.flashcat.cloud/en/flashduty/advanced-configuration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).
+For detailed configuration instructions, please refer to the [RUM Configuration Guide](https://docs.flashcat.cloud/en/flashduty/rum/advanced-configuration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).
 
 ### Formal Subscription
 
@@ -73,8 +73,3 @@ New users will receive a 14-day free trial. After the trial period, you need to:
 - Subscription fees are based on Session collection volume
 - You can view usage statistics in the console at any time
   :::
-
-## Next Steps
-
-- [Learn about Performance Monitoring](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of performance monitoring features.
-- [Learn about Error Tracking](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of error tracking features. 

flashduty/en/2. RUM/1. Getting Started/3. FAQ.md

@@ -394,8 +394,3 @@ A: You can do this through:
 4. Configuring data masking
 
 By following the troubleshooting steps in this guide, you can ensure Flashduty RUM operates normally, providing you with accurate user experience monitoring data.
-
-## Next Steps
-
-- [Learn about Performance Monitoring](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of performance monitoring features.
-- [Learn about Error Tracking](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of error tracking features. 

flashduty/en/2. RUM/2. Applications/2. SDK Integration.md

@@ -23,29 +23,28 @@ This method is recommended for web applications with performance goals. The RUM
 
 This method is recommended to collect all RUM events. The RUM browser SDK is loaded synchronously from our CDN, ensuring the SDK loads first and collects all errors, resources, and user actions. This method might impact page load performance.
 
-### CDN Synchronous Integration
+### NPM Package Integration
 
-Add the following code snippet to the beginning of the `head` tag in each `HTML` page you want to monitor (before any other `script` tags).
+Add `@flashcat/browser-rum` to your `package.json` file
 
-```html
-<script
-  src="https://static.flashcat.cloud/browser-sdk/v3/flashcat-rum.js"
-  type="text/javascript"
-></script>
-<script>
-  window.FC_RUM &&
-    window.FC_RUM.init({
-      applicationId: "<YOUR_APPLICATION_ID>", // Get from application management page
-      clientToken: "<YOUR_CLIENT_TOKEN>", // Get from application management page
-      service: "<SERVICE_NAME>", // Service name to distinguish different services
-      env: "<ENV_NAME>", // Environment identifier
-      version: "1.0.0", // Application version
-      sessionSampleRate: 100, // Sampling rate
-    });
-</script>
+```bash
+npm install @flashcat/browser-rum
 ```
 
-You can check for loading issues with `window.DD_RUM` if the RUM browser SDK fails to load.
+Then initialize in your application entry file:
+
+```javascript
+import { flashcatRum } from "@flashcat/browser-rum";
+
+flashcatRum.init({
+  applicationId: "<YOUR_APPLICATION_ID>", // Get from application management page
+  clientToken: "<YOUR_CLIENT_TOKEN>", // Get from application management page
+  service: "<SERVICE_NAME>", // Service name to distinguish different services
+  env: "<ENV_NAME>", // Environment identifier
+  version: "1.0.0", // Application version
+  sessionSampleRate: 100, // Sampling rate
+});
+```
 
 ### CDN Asynchronous Integration
 
@@ -85,28 +84,32 @@ Add the following code snippet to the `head` tag of each `HTML` page you want to
 </script>
 ```
 
-### NPM Package Integration
+### CDN Synchronous Integration
 
-Add `@flashcat/browser-rum` to your `package.json` file
+Add the following code snippet to the beginning of the `head` tag in each `HTML` page you want to monitor (before any other `script` tags).
 
-```bash
-npm install @flashcat/browser-rum
+```html
+<script
+  src="https://static.flashcat.cloud/browser-sdk/v3/flashcat-rum.js"
+  type="text/javascript"
+></script>
+<script>
+  window.FC_RUM &&
+    window.FC_RUM.init({
+      applicationId: "<YOUR_APPLICATION_ID>", // Get from application management page
+      clientToken: "<YOUR_CLIENT_TOKEN>", // Get from application management page
+      service: "<SERVICE_NAME>", // Service name to distinguish different services
+      env: "<ENV_NAME>", // Environment identifier
+      version: "1.0.0", // Application version
+      sessionSampleRate: 100, // Sampling rate
+    });
+</script>
 ```
 
-Then initialize in your application entry file:
+You can check for loading issues with `window.DD_RUM` if the RUM browser SDK fails to load.
+
 
-```javascript
-import { flashcatRum } from "@flashcat/browser-rum";
 
-flashcatRum.init({
-  applicationId: "<YOUR_APPLICATION_ID>", // Get from application management page
-  clientToken: "<YOUR_CLIENT_TOKEN>", // Get from application management page
-  service: "<SERVICE_NAME>", // Service name to distinguish different services
-  env: "<ENV_NAME>", // Environment identifier
-  version: "1.0.0", // Application version
-  sessionSampleRate: 100, // Sampling rate
-});
-```
 
 ## Initialization Parameters
 
@@ -204,14 +207,6 @@ After integration, you can validate whether the integration was successful throu
 
 ## Further Reading
 
-[SDK Advanced Configuration][advancedConf]
-
-[View Performance Monitoring Metrics][performance]
-
-[Configure Alert Rules][errorTracking]
-
-## Next Steps
-
 - [RUM Application Management](https://docs.flashcat.cloud/en/flashduty/rum/application-management?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): Learn how to create and manage RUM applications
 - [RUM SDK Advanced Configuration](https://docs.flashcat.cloud/en/flashduty/rum/advanced-configuration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): Learn how to configure advanced features of the SDK
 - [RUM Analysis Dashboard](https://docs.flashcat.cloud/en/flashduty/rum/analysis-dashboard?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): View and analyze RUM data 

flashduty/en/2. RUM/2. Applications/3. Advanced Configuration.md

@@ -464,8 +464,3 @@ The following events cannot be attributed to specific sources and therefore do n
 ## More Information
 
 For more detailed information about FlashDuty RUM, visit [FlashDuty SDK](https://github.com/flashcatcloud/browser-sdk).
-
-### Next Steps
-
-- [Learn about Performance Monitoring](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of performance monitoring features.
-- [Learn about Error Tracking](https://docs.flashcat.cloud/en/flashduty/getting-started?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) — Gain a deeper understanding of error tracking features. 

flashduty/en/2. RUM/2. Applications/4. Analysis Dashboard.md

@@ -44,7 +44,7 @@ For more information about the displayed data, see [RUM Browser Data Collection]
 The error analysis module provides you with comprehensive error monitoring and diagnostic capabilities, including:
 
 - **Page Error Rate**: Pages with the most errors, helping you identify which pages need priority attention.
-- **Top Issues**: Ranking of issues affecting the most users, helping you identify problems that need priority attention. If you need to understand the issue aggregation strategy, check [Error Aggregation](/flashduty/en/2.%20RUM/4.%20Error%20Tracking/5.%20Error%20Aggregation.md).
+- **Top Issues**: Ranking of issues affecting the most users, helping you identify problems that need priority attention. If you need to understand the issue grouping strategy, check [Error Grouping](/flashduty/en/2.%20RUM/4.%20Error%20Tracking/5.%20Error%20Grouping.md).
 - **Code Errors**: Categorized display of error types. If you need to dig deeper, refer to Error Tracking to investigate critical frontend errors and understand when new errors appear.
 - **API and Resource Errors**: Monitor which APIs and static resources produce the most errors.
 
@@ -109,9 +109,3 @@ For detailed information, see [Access-Control-Allow-Origin header](https://devel
 
 1. **Logged-in User Identification**: For applications requiring user login (such as SaaS products, membership systems, e-commerce platforms, etc.), you can refer to [User Identification Collection](https://docs.flashcat.cloud/en/flashduty/rum/advanced-configuration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5#user-sessions)
 2. **Device Fingerprint Identification**: For applications without login state (such as corporate websites, marketing pages, public content platforms, etc.), it is recommended to generate stable fingerprints based on browser characteristics, device information, and other multi-dimensional data and report user identifiers
-
-## Next Steps
-
-- [RUM Application Management](https://docs.flashcat.cloud/en/flashduty/rum/application-management?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): Learn how to create and manage RUM applications
-- [RUM SDK Advanced Configuration](https://docs.flashcat.cloud/en/flashduty/rum/advanced-configuration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): Learn how to configure advanced features of the SDK
-- [RUM SDK Integration Guide](https://docs.flashcat.cloud/en/flashduty/rum/sdk-integration?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5): Learn how to integrate the RUM SDK 

…itoring/4. Diagnosis and Optimization.md …ce Monitoring/4. Performance Optimize.mdflashduty/en/2. RUM/3. Performance Monitoring/4. Diagnosis and Optimization.md renamed to flashduty/en/2. RUM/3. Performance Monitoring/4. Performance Optimize.md flashduty/en/2. RUM/3. Performance Monitoring/4. Diagnosis and Optimization.md renamed to flashduty/en/2. RUM/3. Performance Monitoring/4. Performance Optimize.md

@@ -30,7 +30,7 @@ After selecting a page and metric, you can begin to gain insights into performan
 
 ### Data Viewing
 
-You can view how the metric performs under different conditions by adjusting the data aggregation method or modifying filter conditions, thereby advancing the diagnosis and optimization work.
+You can view how the metric performs under different conditions by adjusting the data grouping method or modifying filter conditions, thereby advancing the diagnosis and optimization work.
 
 ![2025-05-19-19-29-55](https://docs-cdn.flashcat.cloud/images/png/65dd3ca92d67ae9175955502d91552dc.png)
 
@@ -58,9 +58,3 @@ If you cannot locate key information more accurately during the resource analysi
 The waterfall chart shows the timeline of events when the metric was captured. To view the context of the rest of the page activity, scroll down to the event line related to the event.
 You can use the dropdown menu in the top left to select another sample event, and expand any event in the waterfall by clicking on it to view the side panel.
 You can also select an appropriate set of events for problem analysis and diagnosis by filtering event types and various filter options.
-
-## Next Steps
-
-- [Performance Monitoring Overview](https://docs.flashcat.cloud/en/flashduty/rum/performance-monitoring-concepts?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5)
-- [Metrics Reporting](https://docs.flashcat.cloud/en/flashduty/rum/performance-metrics?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5)
-- [Performance Analysis](https://docs.flashcat.cloud/en/flashduty/rum/performance-analysis?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) 

flashduty/en/2. RUM/4. Error Tracking/1. Overview.md

@@ -13,7 +13,7 @@ Flashduty RUM (Real User Monitoring) is a powerful user experience monitoring to
 
 1. **Error tracking**: Automatically captures JavaScript exceptions, network request failures, resource loading errors, and other issues, providing detailed error stack information and contextual data to help you quickly locate and resolve problems.
 2. **Error reporting**: Supports both automatic error capture and manual error reporting. Automatically captures unhandled exceptions, Promise rejections, network errors, etc.; manual reporting allows you to record handled errors in business logic and attach contextual information for troubleshooting.
-3. **Error aggregation**: Categorizes similar exception events as a single issue, reducing duplicate alerts and helping development teams identify and handle problems more efficiently. Aggregation is based on multiple dimensions including error type, error message, and stack trace.
+3. **Error grouping**: Categorizes similar exception events as a single issue, reducing duplicate alerts and helping development teams identify and handle problems more efficiently. Grouping is based on multiple dimensions including error type, error message, and stack trace.
 4. **Source mapping**: By uploading SourceMap files, you can map minified code to the original source code, allowing you to directly locate specific positions in the original code during error tracking, improving error localization efficiency.
 5. **Error viewing**: In the error tracking module, you can quickly filter Issue information through different dimensions and the global time selector, and view detailed stack information and contextual data to facilitate locating and troubleshooting problems.
 
@@ -85,4 +85,4 @@ After resolving the issue, you can change the issue status in the system and con
 - [Understand Error Reporting Rules](https://docs.flashcat.cloud/en/flashduty/rum/error-event?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5)
 - [View Errors](https://docs.flashcat.cloud/en/flashduty/rum/error-tracking-explorer?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5)
 - [Understand Source Mapping](https://docs.flashcat.cloud/en/flashduty/rum/sourcemap?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5)
-- [Understand Error Aggregation Methods](https://docs.flashcat.cloud/en/flashduty/rum/error-grouping?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) 
+- [Understand Error Grouping Methods](https://docs.flashcat.cloud/en/flashduty/rum/error-grouping?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5) 

flashduty/en/2. RUM/4. Error Tracking/2. Error Reporting.md

@@ -179,9 +179,9 @@ window.FC_RUM.init({
 });
 ```
 
-## Common Issues and Best Practices
+## FAQ and Best Practices
 
-### Common Issues
+### FAQ
 
 1. **Why are some errors not aggregated?**