Users will get a "509 Bandwidth Limit Exceeded" error like the following screenshot and won't be able to access their site.

Shifter will limit your account if a payment has failed.

As we show on our pricing page, each plan has a storage and monthly bandwidth limit. If traffic exceeds its monthly bandwidth or storage limit, server throttles are accessed.
We notify each customer about their site when it is close to this limit.

As we show on our pricing page, each plan has a storage and monthly bandwidth limit. If storage reaches the limit, server throttles are accessed.

We notify each customer about their site when it is close to this limit.

Check current payment status, bandwidth, and storage usage in the Shifter Dashboard, then take necessary actions.

i. Update the payment method in your Shifter dashboard and complete all payments.

Please refer to our support document on how to update billing information:
​Update Billing/Payment Information

i. Enabling Media CDN

Shifter Media CDN

The Media CDN expands the WordPress media library feature and stores media on our dedicated CDN. It can decrease bandwidth by offloading media to the CDN.

Also, Shifter supports WebP media format under Media CDN enabled environment. By enabling Media CDN, Shifter converts media to the webP format without changing the original.

ii. Upgrade plan

The higher tier plans have larger data transfer limits, bandwidth, and storage space.
Please check our support document Upgrade your Shifter Plan to upgrade a plan.

i. Delete unnecessary files

Start WordPress and delete unnecessary files; then generate an artifact to make us re-calculate storage space.

ii. Enable Media CDN

Shifter Media CDN

Media CDN expands the WordPress media library feature and stores media to our dedicated CDN. It can decrease storage used by offloading media to the CDN

Also, Shifter supports WebP media format under the Media CDN enabled environment. Just enable Media CDN, Shifter converts media to web format without changing original.

iii. Upgrade plan (For Tier 1 or Tier 2 Plan users)

The higher tier plans have larger data transfer limits, bandwidth, and storage space.
Please check our support document: Upgrade your Shifter Plan to upgrade a plan.

iV. Enable "Pay-as-you-go CDN Transfer Option" (For Tier 2 or 3 Plan users)

Please check the support document: Enable "Pay-as-you-go CDN Transfer Option".