Glossary
SSL Certificate
An SSL certificate is a small file installed on a website's server that encrypts the connection between a visitor's browser and the site, shown to visitors as the padlock icon and "https://" at the start of the web address.
Why it matters
Without it, browsers actively flag a site as "Not Secure", a poor first impression that makes visitors hesitate before entering any contact details, let alone payment information. Google has also confirmed HTTPS as a ranking signal, so an unsecured site is at a small but real disadvantage in search.
For most small business websites today, an SSL certificate is a baseline expectation rather than an optional extra. Any properly built site should have one included from day one.
Common mistakes
- Letting an SSL certificate expire, which can suddenly show visitors a security warning
- Not realising a site lacks one until a visitor or browser flags it
- Assuming SSL alone means a site is fully secure, when it only covers the connection, not every aspect of site security
- Paying separately for something that should be included as standard with proper hosting
Related terms
SSL Certificate FAQ
Do I have to pay extra for an SSL certificate?
It should be included as standard with a properly built and hosted website, so treat any quote that lists it as a costly add-on with some scepticism.
How do I know if my site has one?
Check the address bar for a padlock icon and "https://" at the start of the URL. If it says "Not Secure" instead, the certificate is missing or misconfigured.
Where this applies
See this term in practice on Kwise Web's own pages.
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