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While checking my IPO status recently, I noticed something surprising:
• 𝗦𝗶𝘁𝗲 𝗔: My 10-character PAN autofilled instantly. One tap, done.
• 𝗦𝗶𝘁𝗲 𝗕: I had to type all ten characters manually — 𝘦𝘷𝘦𝘳𝘺 𝘴𝘪𝘯𝘨𝘭𝘦 𝘵𝘪𝘮𝘦.
That tiny friction made me realise how powerful simple HTML can be. The smooth experience on Site A wasn’t magic — it was just proper use of standard attributes.

𝗧𝗵𝗲 3 𝗛𝗧𝗠𝗟 𝗔𝘁𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝘀 𝗧𝗵𝗮𝘁 𝗠𝗮𝗸𝗲 𝗔𝘂𝘁𝗼𝗳𝗶𝗹𝗹 𝗪𝗼𝗿𝗸
1️⃣ name — 𝗧𝗵𝗲 𝗜𝗱𝗲𝗻𝘁𝗶𝗳𝗶𝗲𝗿
Meaningful names (name="pan") help browsers recognise and suggest saved data.
2️⃣ autocomplete — 𝗧𝗵𝗲 𝗛𝗶𝗻𝘁
Tells the browser the expected data (autocomplete="email", "cc-number").
3️⃣ label + id — 𝗧𝗵𝗲 𝗟𝗶𝗻𝗸
Clear semantic mapping boosts both autofill accuracy and accessibility.

𝗪𝗵𝗲𝗿𝗲 𝗪𝗲 𝗕𝗿𝗲𝗮𝗸 𝗜𝘁: 𝗢𝘃𝗲𝗿-𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴
Developers often break autofill unintentionally:
• Clearing inputs with JS on focus
• Frameworks generating random names/IDs on each render
The browser loses context — and autofill dies.

𝗖𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝗰𝗲 𝘃𝘀. 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆
Better UX comes with a trade-off. Autofill can introduce risks like 𝗮𝘂𝘁𝗼𝗳𝗶𝗹𝗹 𝗽𝗵𝗶𝘀𝗵𝗶𝗻𝗴, where hidden fields get silently populated.

𝗠𝘆 𝗧𝗮𝗸𝗲𝗮𝘄𝗮𝘆
• 𝗟𝗼𝘄-𝗿𝗶𝘀𝗸 𝗱𝗮𝘁𝗮 (Name, Email, PAN): Enable autofill. Big UX win.
• 𝗛𝗶𝗴𝗵-𝗿𝗶𝘀𝗸 𝗱𝗮𝘁𝗮 (PINs, security answers): Use autocomplete="off" and ensure no hidden fields.

𝗔 𝗴𝗼𝗼𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿'𝘀 𝗷𝗼𝗯 𝗶𝘀 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝘁𝗼 𝗺𝗮𝗸𝗲 𝘁𝗵𝗲 𝗳𝗼𝗿𝗺 𝘄𝗼𝗿𝗸, 𝗯𝘂𝘁 𝘁𝗼 𝗺𝗮𝗸𝗲 𝘁𝗵𝗲 𝙘𝙝𝙤𝙞𝙘𝙚 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝗰𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝗰𝗲 𝗮𝗻𝗱 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝘁𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝘁 𝗮𝗻𝗱 𝗶𝗻𝘁𝗲𝗻𝘁𝗶𝗼𝗻𝗮𝗹.