How to Generate a HAR File

⚠️ Important Security Note:
HAR files may include sensitive personal data, such as:

• Page contents

• Cookies (can be used to impersonate your account)

• Submitted data (e.g., passwords, credit card numbers, personal info)

Always handle HAR files with care. Do not share them unless specifically requested by a trusted support engineer, and never upload them to public forums.

📄 What is a HAR File?

A HAR (HTTP Archive) file records the interactions between your browser and a site. It is commonly used for debugging performance issues, page load errors, and content delivery problems.

🧭 Steps to Generate a HAR File in Chrome

1. Open Chrome and navigate to the page where you're experiencing the issue.

2. Open Developer Tools:

   • From the menu: Menu > More tools > Developer tools

   • Or press Ctrl+Shift+I / Cmd+Opt+I

3. Click the Network tab.

4. Ensure the Record button (🔴) in the upper left is active:

   • If it’s gray, click it to start recording.

5. Check the box for Preserve log.

6. Click the Clear button to remove any previous logs.

7. Reproduce the issue while recording is active.

8. Once complete, right-click inside the Network grid and select "Save as HAR with Content" to download the file.

🦊 Steps to Generate a HAR File in Firefox (v41 and newer)

1. Open Firefox and navigate to the problem page.

2. Launch Developer Tools in Network mode:

   • Menu > Web Developer > Network

   • Or press Ctrl+Shift+Q / Cmd+Opt+Q

3. Reproduce the issue to capture network traffic.

4. Right-click on the grid and choose "Save all as HAR".

5. Save the file to your computer.

📤 Next Steps

When sharing a HAR file with GlobalDots Support:

• Compress the file if it’s large.

• Do not edit the contents unless advised.

• Share it securely (e.g., via our support portal or encrypted email).