SSL Certificates and HTTPS: Why Every Business Website Needs Them

If you've ever noticed the padlock icon in your web browser's address bar, you've seen SSL in action. It's one of the most visible signs of a secure website — and one that increasingly savvy customers look for before trusting a business online.

Despite this, many Australian small business websites still don't have SSL correctly configured. Some have no HTTPS at all. Others have an expired certificate that triggers alarming browser warnings. A few have it partially set up, leaving some pages unprotected.

Here's what SSL is, why it matters for every business website — not just online shops — and how to make sure yours is set up correctly.

What Is an SSL Certificate?

SSL stands for Secure Sockets Layer (though the modern version is technically called TLS — Transport Layer Security). An SSL certificate is a small digital file installed on your web server that does two things:

1. Encrypts the connection between your website and your visitors' browsers, so data transmitted between them can't be intercepted
2. Authenticates your website, providing visitors with confidence that they're connecting to the legitimate version of your site, not an imposter

When a website has a valid SSL certificate installed and configured, the URL begins with https:// (rather than http://) and a padlock icon appears in the browser address bar.

Why Does HTTPS Matter for Business Websites That Don't Take Payments?

A common misconception is that HTTPS is only important for websites that process payments or collect sensitive information. In reality, it matters for every business website, for several reasons:

Contact forms transmit personal data

Even a simple "contact us" form submits personal information — names, email addresses, phone numbers, and the content of messages. Without HTTPS, this data is transmitted in plain text and can be intercepted. Under the Australian Privacy Act, you have obligations to protect personal information you collect, including during transmission.

Google treats HTTPS as a ranking signal

Google confirmed in 2014 that HTTPS is a ranking factor. Websites without HTTPS are disadvantaged in search results compared to equivalent sites that use it. For a small business that depends on organic search traffic, this is a real commercial impact.

Browsers actively warn visitors about non-HTTPS sites

Chrome, Firefox, and Safari all display a "Not Secure" warning for any site using HTTP. For many visitors — especially those making decisions about whether to trust a business — this warning is a deal-breaker. It signals, fairly or not, that the business doesn't take security seriously.

It protects your site from content injection

Without HTTPS, internet service providers and public Wi-Fi networks can insert content (including ads or malicious code) into pages served to your visitors. HTTPS prevents this.

Types of SSL Certificates

There are three main types of SSL certificates:

• Domain Validated (DV): The most common and affordable type. Verifies that you control the domain. Sufficient for most small business websites. Available for free via Let's Encrypt.
• Organisation Validated (OV): Verifies your organisation's identity as well as domain control. Provides more assurance to visitors that the site belongs to a legitimate business.
• Extended Validation (EV): The highest level of validation. Previously showed the company name in the browser address bar (this has been phased out in most browsers), but still involves the most thorough verification. Used by banks and large e-commerce sites.

For most small businesses, a free Domain Validated certificate from Let's Encrypt is entirely appropriate. It provides the same encryption as paid certificates. The difference between certificate types is about identity verification, not encryption strength.

How to Get an SSL Certificate

Getting HTTPS set up is much simpler than it used to be:

Through your hosting provider

Most Australian web hosting providers — including VentraIP, Crazy Domains, SiteGround, and Panthur — now include free SSL certificates (via Let's Encrypt) in their hosting plans, often installed with a single click from your hosting control panel. Log in to your hosting control panel (usually cPanel or Plesk) and look for an "SSL/TLS" section.

Through Cloudflare

If you use Cloudflare as your DNS provider (which also provides other security and performance benefits), Cloudflare offers free SSL certificates as part of its free plan. This is a good option that provides encryption between your visitors and Cloudflare's network.

Through your website platform

Shopify, Squarespace, and Wix all include SSL certificates automatically. If you're using one of these platforms, HTTPS should already be enabled. Check by visiting your site and confirming the padlock is shown.

Checking Your SSL Is Set Up Correctly

Having an SSL certificate installed isn't enough if it's misconfigured. Use these free tools to verify your setup:

• SSL Labs Server Test (ssllabs.com/ssltest): Gives your SSL configuration a grade from A+ to F, identifies configuration weaknesses, and checks certificate validity
• Why No Padlock (whynopadlock.com): Identifies "mixed content" issues — where some page elements (images, scripts) are still loading over HTTP even though the main page uses HTTPS

Mixed content is a common issue after migrating from HTTP to HTTPS. It can cause the padlock to appear with a warning indicator, or not appear at all, even though a certificate is installed.

Key Takeaways

• HTTPS is essential for every business website — not just online shops — because it protects contact form data, improves Google rankings, and builds customer trust
• Free SSL certificates via Let's Encrypt are available from most Australian hosting providers and are sufficient for most small business websites
• Check your SSL configuration with SSL Labs' free testing tool to identify any weaknesses or mixed content issues
• Ensure your certificate is set to auto-renew so it doesn't expire and trigger browser warnings
• Cloudflare's free plan is a good option for adding HTTPS along with other security and performance benefits

SSL is just one piece of your website security picture. Take the free Flagged cyber risk assessment to understand your business's complete security posture and get a prioritised list of improvements.