# Execute your Test Case on Cloud (Serial/Parallel)

In SimplifyQA, individual test cases can be executed using the cloud in either Serial or Parallel mode based on specific configurations. This provides flexibility in managing execution speed and browser coverage.

### How Execution works for Individual Test Cases

By default, when a single test case is executed on the cloud, the execution runs in Serial Mode — meaning the test steps are executed one after the other in a single browser instance.

However, Parallel Execution can be triggered only when multiple browsers are selected during the execution.

### Serial Execution

1. Steps run sequentially in a single thread
2. Multiple browser can be selected, but the execution will happen one at a time.
3. **Use Case:** Ideal for quick validation or testing on a specific browser.

### Parallel Execution

1. Executes the same test case simultaneously across multiple browsers
2. You must select multiple browsers (e.g., Chrome + Firefox + Edge).
3. **Use Case**: Ideal for cross-browser compatibility testing.

### How to Trigger Test Case Execution

1. Navigate to the Test Case module from the left panel.

<figure><img src="/files/fhgN4lyfbNjwb1DVz6gC" alt="" width="200"><figcaption></figcaption></figure>

2. Open the Test case that you want to execute.
3. Click on the Run icon, select execution type as Cloud.

<figure><img src="/files/L2iB4IfCGEtaKwt7BMpj" alt="" width="487"><figcaption></figcaption></figure>

4. Select thr browser from the dropdown. In case of multiple browser selection you options will show up Serial or Parallel.
5. The user can choose between serial and parallel.

<figure><img src="/files/AhQ3Y0xH8sPaE6GSptkK" alt="" width="485"><figcaption></figcaption></figure>

6. Once done, start the execution and monitor real-time status in the reports tab.

### Frequently Asked Questions (FAQs)

<details>

<summary>How can I enable parallel execution for a single test case?</summary>

To execute a test case in Parallel, simply select multiple browsers (e.g., Chrome, Firefox, Edge) during execution setup.

</details>

<details>

<summary>What are the benefits of using parallel execution?</summary>

Parallel execution is ideal for:

* Cross-browser testing
* Faster feedback loops
* Validating UI behavior across browsers

</details>

<details>

<summary>What happens if I select only one browser but enable parallel mode?</summary>

If only one browser is selected, SimplifyQA will automatically default to Serial Execution.

</details>


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