documentation(EJ2-1009766): Need to include the Performance Metrics section in Spreadsheet UG documentation.

Document-Processing-toc.html

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 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/styles">Styles and Appearance</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/print">Print</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/performance-best-practices">Performance Best Practices</a></li>
+							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/performance-metrics">Performance Metrics</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/global-local">Globalization</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/accessibility">Accessibility</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/javascript-es6/keyboard-shortcuts">Keyboard Shortcuts</a></li>

Document-Processing/Excel/Spreadsheet/Javascript-ES6/performance-metrics.md

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+---
+layout: post
+title: Performance Metrics in EJ2 TypeScript Spreadsheet Control | Syncfusion
+description: Learn about performance metrics for the EJ2 TypeScript Spreadsheet control, measured results, and environment details.
+platform: document-processing
+control: Performance 
+documentation: ug
+---
+
+# Performance Metrics in EJ2 TypeScript Spreadsheet Control
+
+The [Syncfusion® TypeScript Spreadsheet](https://www.syncfusion.com/spreadsheet-editor-sdk/javascript-spreadsheet-editor) is an Excel‑like web component that lets users create, edit, and format data directly in modern applications. It provides essential features such as formulas, styling, validation, sorting, filtering, and file import/export, making it ideal for handling large or data‑driven workflows.
+
+This document presents measured performance results for the Spreadsheet when working with large datasets and common operations such as rendering, styling, validation, and file import/export.
+
+## Environment
+
+The following configuration was used for the performance evaluations:
+
+* **Browser**: Microsoft Edge (latest stable)
+* **Hardware**: Modern multi‑core processor
+* **RAM**: 16 GB or higher
+* **Spreadsheet Version**:
+  * [NPM Version](https://www.npmjs.com/package/@syncfusion/ej2-spreadsheet/v/32.2.5)  
+  * [NuGet Version](https://www.nuget.org/packages/Syncfusion.EJ2.Spreadsheet.AspNet.Core/32.2.5)  
+* **Data Source**: Mixed data types (numbers, text, formats, validations)
+
+## Evaluated Features
+
+The following operations were measured to evaluate the Spreadsheet's performance with large datasets: rendering, applying styles, number formatting, and data validation.
+
+| Dataset Size | Initial Rendering | Styles     | Number Format     | Data Validation     |
+|--------------|-------------------|------------|-------------------|---------------------|
+| 100k cells   | 0.21s             | 0.72s      | 0.86s             | 0.82s               |
+| 250k cells   | 0.23s             | 1.51s      | 1.81s             | 2.11s               |
+| 500k cells   | 0.28s             | 3.00s      | 3.69s             | 3.95s               |
+
+## Import and Export Performance
+
+Measured import and export times for datasets with formatting, validation, sorting, and filtering.
+
+| Dataset Description                         | Import     | Export     |
+|---------------------------------------------|------------|------------|
+| 100k cells with formats                     | 3.85s      | 4.38s      |
+| 250k cells with formats                     | 3.96s      | 6.61s      |
+| 100k cells with validation                  | 2.06s      | 2.25s      |
+| 250k cells with validation                  | 3.77s      | 24.04s     |
+| 500k cells with validation                  | 4.16s      | 24.05s     |
+| 100k cells with sorting and filtering       | 3.68s      | 2.31s      |
+| 250k cells with sorting and filtering       | 5.73s      | 5.60s      |
+| 500k cells with sorting and filtering       | 8.59s      | 13.29s     |
+
+You can download the Excel files used for these measurements here.
+
+## See Also
+
+* [Open and Save](https://help.syncfusion.com/document-processing/excel/spreadsheet/javascript-es6/open-save)
+* [Performance Best Practices](https://help.syncfusion.com/document-processing/excel/spreadsheet/javascript-es6/performance-best-practices)
+* [Docker Deployment](https://help.syncfusion.com/document-processing/excel/spreadsheet/javascript-es6/docker-deployment)
+* [Scrolling](https://help.syncfusion.com/document-processing/excel/spreadsheet/javascript-es6/scrolling)