URL: https://www.airtel.in/prepaid-recharge/

Browser / Version: Firefox 69.0
Operating System: Windows 10
Tested Another Browser: Yes

Problem type: Something else
Description: Clicking on back is reloading the page
Steps to Reproduce:
Steps to eproduce

1. Search "tata docomo recharge" in google
2. Click on the result for "https://recharge.tatadocomo.com" (probably 5th). This will redirect to "https://www.airtel.in/prepaid-recharge/"
3. Press back

Expected result: Google search page must come
Actual Result: Page is reloaded
Result in Chrome: Google search page comes

My location : India (South)

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