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Bandwidth shows how much data has been transferred in and out of your account, broken down by service (HTTP, IMAP, POP3, SMTP, FTP) and by domain. The daily graph at the top tells you whether you’re on track for the month; the per-service tables tell you which protocol is using the most.
Bandwidth dashboard with daily and monthly charts

What the page shows

Three layers, top to bottom:
  1. Total bandwidth this month, with a percentage against your plan cap. Green under 80%, yellow 80–95%, red over.
  2. Per-service breakdown for the current month: HTTP, IMAP, POP3, SMTP, FTP, plus an “All Services” total.
  3. Per-domain table for each service. Click a service link to expand its domain breakdown.
Below those, you can switch the timeframe to Daily, Monthly, or Yearly views to see trends.

Reading the chart

The daily chart shows bars per day. A typical site looks roughly flat across weekdays with smaller weekends. Spikes worth investigating:
  • A huge HTTP spike on one day. Either traffic legitimately spiked, or a bot scraped you. Cross-reference with Visitors.
  • SMTP suddenly dominating. Either a newsletter blast (intentional) or a compromised mailbox sending spam (not). Check Track Delivery and rotate the password.
  • POP3/IMAP climbing each week. Mailboxes growing faster than they’re being read. See Email Disk Usage.

What counts as bandwidth

CountedNot counted
HTTP/HTTPS responses your site sends to visitorsInternal traffic between cPanel and the database
Email leaving your account (SMTP, MailChannels relay)Backups taken by JetBackup
Email arriving via POP3/IMAP downloadsThe disk space mail occupies (that’s a separate quota)
FTP uploads and downloadsSSH file transfers (counted as raw network, not in this view)
So a 100 MB image served 1,000 times to visitors counts as 100 GB; the same 100 MB sitting in public_html doesn’t.

Common issues

The service log was rotated within the last hour. Refresh after a few minutes. If still zero, check that the service is actually enabled (e.g., FTP is on the cPanel home page; IMAP is via mail clients).
Either large media (videos, big images) is being served, or a CDN is misconfigured and pulling from origin on every request instead of caching. Check the per-domain breakdown. Usually one domain is responsible.
The site keeps serving until the next billing cycle, but we’ll email you about the overage and recommend a plan upgrade. We don’t 503 the site at the cap. For sustained overages we may suggest a Power-tier move.

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