The two doors
Padlock vs Not Secure, side by side
Same shop, same web address. The only difference is whether the lock is on the door.
The unlocked door
- Information travels out in the open
- Anyone in between can listen in
- No ID card proving the site is yours
- Browsers flag it as Not Secure
The locked door
- Information is scrambled end to end
- Only your shop can unscramble it
- An ID card proves the site is really yours
- Browsers show the padlock
The short version
The padlock is a locked front door
Think of your website like a shop on a street. The padlock is the lock on the door.
When someone visits, their name, email, and anything they type moves back and forth with your shop. Without the padlock, that talk happens out loud, and anyone in between can listen in.
With the padlock, the same talk gets scrambled so only your shop can read it. The padlock also carries a small ID card that proves the visitor reached the real you, not a fake set up down the street.
That is the whole idea. The connection is locked, and the shop is really yours.
No padlock means the talk happens out loud. The padlock means it happens sealed.
What the padlock does
How a secure visit happens
Four quick moments turn an open conversation into a sealed one.
The words, decoded
http, https, and SSL, without the jargon
Three terms get used together a lot. Here is what each one really is.
- http
- The old way a browser talks to a website. It works, but everything gets sent out in the open. This is the one browsers now flag as Not Secure.
- https
- The same thing with the lock added. The s stands for secure. When you see it, the padlock shows and the talk is sealed.
- SSL certificate
- The small file that makes the lock work. It scrambles the connection and proves the site is really yours. Some people say TLS certificate. Same thing, newer name.
- Not Secure warning
- What a browser shows when a site is still on plain http with no certificate. It tells visitors the door is unlocked, and that makes people nervous even when nothing is wrong.
Straight answers
Questions clients actually ask
My site says Not Secure. Is it broken or hacked?
Do I need SSL if I do not sell anything online?
Does the certificate cost extra?
What happens when the certificate expires?
Can you add the padlock if my site is hosted somewhere else?
Keep reading
Related guides and next steps
The padlock is one piece of a bigger picture. Here is where the rest lives.