Technical FAQ


What is a Subdomain?

While a domain name is the main part of your website’s URL (e.g., a subdomain is an extension of your domain name. Below are some examples of subdomains that might be used for landing pages:


Why Would I Use a Subdomain For My Landing Pages?

Using a subdomain allows you to manage your landing pages separately from your root domain, while presenting a uniform domain to to prospects and customers. By using subdomains, your marketing team will have control over the subdomain to publish pages and run campaigns on their own schedule without involving IT (past the initial set-up process).

Subdomains also offer marketers an opportunity to add extra context to their page from the get-go with content in the URL. By using something like, it sets the stage for your prospects before they even start reading your landing page content.

How Do I Set Up a Subdomain?

For more detailed instructions, see Mapping Your Landing Page Domain (CNAME Records):

  1. If you don’t have a domain name already, you can get one from somewhere like
  2. Pick a subdomain (like
  3. Log into the administrative section of your domain’s DNS
  4. Create a CNAME record to point your subdomain to
  5. Add the subdomain within Unbounce

Why Do I Need a CNAME Record?

Because Unbounce uses a rotating IP address, we need a way of pointing a subdomain to our landing page, and a CNAME record is the best way to do this.

Who Should I Contact at my Company to Set Up a CNAME Record?

If you aren't setting up the CNAME record yourself, reach out to someone who has administrative access to your domain and DNS settings. Think your webmaster, web developer, or someone in your IT department.

You may want to copy and paste this email template which explains exactly what you need:


Can you please set up a CNAME record for my domain, [type your website domain (e.g. here]?

The CNAME Record should be for the subdomain: [type your subdomain name here], and the value should point to:

Unbounce has more documentation which might help here."

Where Are My Landing Pages Hosted?

All of your Unbounce pages are hosted on Amazon Web Services S3 servers. We do nightly backups of the database that contains your page sources and that database is replicated in real time across our servers.

How are my pages served?

Our page serving is "latency balanced" amongst all four data centres. Visitors to your published pages are directed to the closest data centre from a network latency perspective to ensure the fastest page load time possible.

What are the Benefits to Unbounce Hosting My Page?

Unbounce servers are fast and reliable: We have an average page load time of 0.4 seconds and we've maintained an uptime of 99.99% since we launched in December of 2009. If for any reason your website goes down, your subdomain landing pages will be up and running without any interruption to your campaigns.

Having your landing pages separate from your website also allows your Marketing department more control of the pages without involvement from IT (past the initial set-up process).

What are Unbounce's Security Features?

Check out Security at Unbounce to learn all about Unbounce's security features.

Can You Tell Me About Unbounce's Hosting Redundancy?


The Unbounce system operates in multiple geographically-diverse data centers, and is monitored externally for availability and uptime every 60 seconds.

Our staff are alerted in the event of any interruption, and we maintain the ability to switch operations to other data centers within minutes in the case of a prolonged interruption in service at any one data center.

In addition to real-time replication of your data between data centers, we also perform nightly full database backups and maintain a server uptime of 99.99%.

Server status can be checked any time at:

How Reliable Is Unbounce?

We recognize that ensuring our customer's landing pages are online and correctly collecting information is our top priority. Since we launched Unbounce in December of 2009, we've maintained an overall uptime of 99.99% for your published pages (, and 99.97% for the application you use to manage your pages (

What about scheduled downtime?

One of the things we're very proud of is our approach to software deployment and systems maintenance. We generally release updates to the service several times per week (and sometimes several times in one day), and we have only ever taken the application offline for scheduled maintenance once, for 30 minutes in August 2012 to accommodate a major new software release.

How Do I Remove The Unbounce Bar From The Bottom Of My Pages?

The Unbounce branding bar ( "Built using the Unbounce Landing Page Platform") is only present on Free accounts. This can be removed by upgrading to any paid plan (take a look at our different plans on our pricing page). The bar is added/removed during the publishing process, so be sure to republish your pages after you upgrade to eliminate it.

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