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Frequently Asked Questions
What about the RAM and storage limit on plans?
Pantheon’s service levels aren’t tied to specific physical servers, VMs, or VPSs. Every site is distributed and runs across the platform. Our container-based architecture means that you don’t have to worry about OS-level limits like system RAM or CPUs. If you’re curious about PHP memory limits for your application processes, see our tech specs.
How does HTTPS work on Pantheon?
HTTPS is FREE and automated for all sites via Let’s Encrypt. Plus, we’ll manage your SSL certificates forever, no more renewal reminders.
If I go over my plan limit will I be charged overages?
All Performance plans include Overage Protection to prevent one-time traffic spikes from causing billing issues—meaning you won’t be charged for one-time overages. In cases where the change to traffic behavior is sustained for more than one month consecutively, we will notify you and move the site to the appropriate Performance plan. Basic Sites do not have overage protection. If a Basic Site exceeds the 25,000 visit cap in any given month, the site plan will be automatically upgraded to the Performance plan whose visit limit accommodates the site's traffic.
For more information, see Traffic Limits and Overages.
How many sites can I access with my account?
On Pantheon, your account is tied to your email address. When you login, you will be able to see all the sites that you’ve created or been added as a team member to. Plan levels are tied to a specific site. You can add as many team members as you like to a site.
How does getting my site onto the platform work?
For self-service plans, onboarding is DIY. We have plenty of documentation and videos to get you up to speed. Plus, when you’re ready to launch, our Launch Check tool will highlight common issues and give you recommendations on how to fix. If you want more help, Elite-level customers get a dedicated onboarding manager and launch team for guaranteed launch success.
Can I use a CDN?
All sites on Pantheon come pre-configured with Pantheon’s Global CDN powered by Fastly. No setup, no constant tinkering, just confidence that your site is running at light-speed across the globe. If you’d like to use your own CDN, you can. You do not need permission, action, or configuration from Pantheon to use a CDN. To learn more about using a CDN, see our docs.
What if I have lots of sites?
Organizations with lots of sites should consider Pantheon Elite, which gives you powerful tools not available with pay-per-site self-serve plans. Or, if you’re an edu, sign up for Pantheon for EDU. It’s free to use, and if you want even more great features you can upgrade to Pantheon for EDU+. If you’re an agency who bundles hosting with other services for your clients, check out our Reseller Program.
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This is the new way to build and manage websites. The workflow, the speed, the simplicity – it all just works.Chris Staton , Head of Creative