
What is an SSL certificate?
An SSL certificate lets a website load over HTTPS, encrypting traffic between visitors and the site.
Definition
Browsers show a padlock for HTTPS sites and warn on sites without it. Most modern hosts and website builders provide certificates automatically.
Why it matters
It protects visitors' data, builds trust and is expected by browsers and search engines.
How to get it right
- Use HTTPS everywhere.
- Redirect HTTP to HTTPS.
- Let your host renew certificates automatically.
- Fix any insecure mixed content.
Mistakes to avoid
- Expired certificates
- Pages that load images over HTTP
- Ignoring browser warnings
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The things people ask before they start building.
What is an SSL certificate?
An SSL certificate lets a website load over HTTPS, encrypting traffic between visitors and the site. Browsers show a padlock for HTTPS sites and warn on sites without it. Most modern hosts and website builders provide certificates automatically.
Why does SSL certificate matter?
It protects visitors' data, builds trust and is expected by browsers and search engines.
How do you get ssl certificate right?
Use HTTPS everywhere. Redirect HTTP to HTTPS. Let your host renew certificates automatically. Fix any insecure mixed content.

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