---
metadata:
  - name: generator
    content: Diplodoc Platform v5.54.2
alternate:
  - https://yandex.ru/support/forms/en/create-har.md
  - https://yandex.ru/support/forms/ru/create-har.md
  - href: en/create-har.md
    type: text/markdown
    title: Markdown version
  - href: llms.txt
    type: text/markdown
    title: llms.txt
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.ru/support/forms/en/llms.txt

# Saving browser and server interactions to a HAR file

If you encounter an error while using the service, you can use the HAR file to troubleshoot it. It is a network log of the interaction between a browser and a web page. To help our technical support team identify the cause of the service malfunction, enable logging and reproduce the error. Save the HAR file and send it to [technical support](https://yandex.ru/support/forms/en/feedback.md).

{% list tabs %}

- Yandex Browser {#yandex}

   1. On the page with an error, press **Ctrl** + **Shift** + **I** (**⌥** + **⌘** + **I** for macOS) or select ![image](./_assets/svg/burger.svg)</svg> → **Advanced** → **More Tools** → **Developer Tools** from the menu.
   1. Go to the **Network** tab.
   1. Make sure that network logging is enabled: the button in the top left corner should be red ![image](./_assets/svg/chromium-log-record.svg). If the button is black, click it.
   1. Enable **Preserve log**.
   1. To ensure that the HAR file contains only entries related to the error, clear the log by clicking ![image](./_assets/svg/chromium-log-clear.svg) to the right of the network log button.
   1. Refresh the page or repeat the actions that caused the error.
   1. Click ![image](./_assets/svg/save-har.svg) and save the HAR file to your device.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

- Google Chrome {#chrome}

   1. On the page that produces the error, press **Ctrl** + **Shift** + **I** (**⌥** + **⌘** + **I** for macOS) or select ![image](./_assets/svg/vertical-ellipsis.svg) → **More Tools** → **Developer Tools** from the menu.
   1. Go to the **Network** tab.
   1. Make sure that network logging is enabled: the button in the top left corner should be red ![image](./_assets/svg/chromium-log-record.svg). If the button is black, click it.
   1. Enable **Preserve log**.
   1. To ensure that the HAR file contains only entries related to the error, clear the log by clicking ![image](./_assets/svg/chromium-log-clear.svg) to the right of the network log button.
   1. Refresh the page or repeat the actions that caused the error.
   1. Click ![image](./_assets/svg/save-har.svg) and save the HAR file to your device.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

- Opera {#opera}

   1. On the page that produces the error, press **Ctrl** + **Shift** + **I** (**⌥** + **⌘** + **I** for macOS) or select **Opera** → **Developer** → **Developer Tools** from the menu in the top left corner.
   1. Go to the **Network** tab.
   1. Make sure that network logging is enabled: the button in the top left corner should be red ![image](./_assets/svg/chromium-log-record.svg =20x20). If the button is black, click it.
   1. Enable **Preserve log**.
   1. To ensure that the HAR file contains only entries related to the error, clear the log by clicking ![image](./_assets/svg/chromium-log-clear.svg) to the right of the network log button.
   1. Refresh the page or repeat the actions that caused the error.
   1. Click ![image](./_assets/svg/save-har.svg) and save the HAR file to your device.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

- Mozilla Firefox {#firefox}

   1. On the page that produces the error, press **Ctrl** + **Shift** + **I** (**⌥** + **⌘** + **I** for macOS) or select ![image](./_assets/svg/burger.svg)</svg> → **More Tools** → **Web Developer Tools** from the menu.
   1. Go to the **Network** tab.
   1. Refresh the page or repeat the actions that caused the error.
   1. Click ![image](./_assets/svg/save-har.svg) and save the HAR file to your device.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

- Microsoft Edge {#edge}

   1. On the page that produces the error, press **Ctrl** + **Shift** + **I** (**⌥** + **⌘** + **I** for macOS) or select ![image](./_assets/svg/actions.svg)</svg> → **More Tools** → **Developer Tools** from the menu.
   1. Go to the **Network** tab.
   1. Make sure that network logging is enabled: the button in the top left corner should be red ![image](./_assets/svg/chromium-log-record.svg). If the button is black, click it.
   1. Enable **Preserve log**.
   1. To ensure that the HAR file contains only entries related to the error, clear the log by clicking ![image](./_assets/svg/chromium-log-clear.svg) to the right of the network log button.
   1. Refresh the page or repeat the actions that caused the error.
   1. Click ![image](./_assets/svg/download.svg)</svg> and save the HAR file to your device.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

- Safari {#safari}

   1. On the page that produces the error, select **Safari** → **Preferences** → **Advanced** from the menu and enable **Show Develop menu in menu bar**.
   1. In the **Develop** menu, select **Show Web Inspector** or use the **⌥** + **⌘** + **I** keyboard shortcut.
   1. Click the **Network** tab.
   1. Enable **Preserve Log**.
   1. Refresh the page or repeat the actions that caused the error.
   1. In the top right corner of the tab, click **Export**.
   1. Attach the HAR file to your [support request](https://yandex.ru/support/forms/en/feedback.md).

{% endlist %}


{% note alert "" %}

The HAR file contains cookies of your active session in the service. For security reasons, we recommend that you [terminate the session](https://forms.yandex.com/cloud/admin/auth/logout) after transferring the file.

{% endnote %}