Why Find element by tag name in Selenium Python? - Purpose & Use Cases

The Big Idea

What if you could find every button or image on a page with just one simple command?

The Scenario

Imagine you have a long webpage with many buttons, links, and images. You want to check if all images are loading correctly. Manually looking through the page and counting each image tag is tiring and easy to miss some.

The Problem

Manually searching for elements by their tag name is slow and error-prone. You might overlook some tags or confuse similar ones. It's like trying to find all the apples in a big basket by picking them one by one with your eyes closed.

The Solution

Using 'Find element by tag name' in Selenium lets you quickly grab all elements of a certain type, like all images or all buttons, with just one command. This saves time and ensures you don't miss anything.

Before vs After

✗ Before

elements = driver.find_elements_by_xpath('//img')  # complicated and slow

✓ After

elements = driver.find_elements(By.TAG_NAME, 'img')  # simple and fast

What It Enables

This lets you easily check or interact with all elements of a certain type on a page, making tests faster and more reliable.

Real Life Example

For example, you can quickly find all tags on a product page to verify that every product image is displayed correctly without missing any.

Key Takeaways

Manually finding tags is slow and error-prone.

Finding elements by tag name grabs all matching elements quickly.

This method makes testing faster and more accurate.