Benefits:

Easy to install and use.
Light, powerful, shareable, helps in exporting tests
Has built-in help feature and it shows the documentation on the selected or entered command.
Helps in debugging by displaying the information and error messages.
It allows to set breakpoints, insert commands and comments wherever necessary.
Provides a good support for extensions.

Limitations:

Need to have specific elements or text appear on page to assert, verify
Records can be wrong or fail because of css change
Not suitable for testing extensive data
Incapable of handling multiple windows
Connections with the database can not be tested
Cannot handle the dynamic part of web-based applications
Does not support capturing of screenshots on test failures
No feature available for generating result reports

Get started:

( Document reference )

Run with CLI:

Install selenium-side-runner: yarn global add selenium-side-runner

Install web drivers:

Chrome: yarn add global chromedriver
Firefox: yarn add global geckodriver
Edge: yarn add global edgedriver
IE: yarn add global iedriver

Launching the runner: selenium-side-runner /path/to/your-project.side

Get more config

Simple tests with login page with google:

Step 1: Open selenium IDE on chrome and add a test case name Login

Step 2: Click Recording button and interact with the page and each of your actions will be recorded in the IDE.

Reference

webpage : https://selenium.dev/selenium-ide/

Docs : https://selenium.dev/selenium-ide/docs/en/introduction/getting-started

install for chrome : https://chrome.google.com/webstore/detail/selenium-ide/mooikfkahbdckldjjndioackbalphokd

Organizing your tests

Tests

You can add a new test by clicking the + symbol at the top of left side-bar menu

Suites

Tests can be grouped together into suites.

Command-line Runner

https://selenium.dev/selenium-ide/docs/en/introduction/command-line-runner

Code Expert

Supported Exports

Currently, export to the following languages and test frameworks is supported.

C# NUnit
Java JUnit
JavaScript Mocha
Python pytest

https://selenium.dev/selenium-ide/docs/en/introduction/code-export

API Reference

Commands

https://selenium.dev/selenium-ide/docs/en/api/commands

open
click
echo - Prints the specified message into the third table cell in your Selenese tables. Useful for debugging.
run script
if ~ else
select
wait for element visible - Wait for a target element to be visible on the page.
execute script
- Executes a snippet of JavaScript in the context of the currently selected frame or window. The script fragment will be executed as the body of an anonymous function. To store the return value, use the 'return' keyword and provide a variable name in the value input field.

Intergrate with jenkins : After Test

Selenium IDE