Delivery Performance

As part of our commitment to transparency, we share information on our infrastructure performance. On this page, you will find information on email deliverability, as well as open and clickthrough rates.

Compare your email marketing results with Bronto's evolving benchmark data to evaluate your performance and identify emerging industry trends.

Date Sent Delivery Rate* Open Rate** Click-through Rate
Dec 15 5,400,874,277 99.58% 19.59% 3.69%
Dec 8 5,288,954,758 99.57% 19.49% 3.72%
Nov 28 5,090,697,208 99.57% 19.51% 3.77%
Nov 21 4,995,199,687 99.57% 19.47% 3.78%
Nov 14 4,983,478,132 99.57% 19.27% 3.75%
Nov 7 4,964,541,849 99.57% 18.68% 3.65%
Oct 26 5,008,672,070 99.57% 18.51% 3.63%
Oct 19 5,011,053,087 99.57% 18.30% 3.60%
Oct 12 5,014,765,327 99.59% 18.15% 3.58%
Oct 5 4,980,165,020 99.58% 18.05% 3.56%
Sep 28 4,949,264,410 99.57% 17.98% 3.55%
Sep 21 4,892,117,492 99.56% 18.01% 3.56%
Sep 14 4,858,576,538 99.56% 17.94% 3.57%
Sep 7 4,844,921,165 99.54% 17.85% 3.53%
Aug 31 4,829,800,109 99.54% 18.05% 3.51%
Aug 24 4,814,235,234 99.53% 18.30% 3.51%
Aug 17 4,804,708,226 99.53% 18.50% 3.51%
Aug 10 4,751,369,160 99.49% 18.70% 3.52%
Aug 3 4,779,380,204 99.48% 18.76% 3.50%
July 27 4,735,291,096 99.47% 18.93% 3.52%
July 27 4,735,291,096 99.47% 18.93% 3.52%
July 20 4,814,577,033 99.44% 18.88% 3.54%
July 13 4,783,013,296 99.42% 18.94% 3.56%

These deliverability benchmarks are calculated from the deliverability results based on all email campaigns sent system-wide in the last 90 days.

* The delivery rate is simply the number of messages sent minus the number of messages bounced divided by the number of messages sent.

** The open rates are measured from the HTML-based messages and these statistics underreport the actual number of opens because an open requires a zero-pixel image in the message to be rendered in order to be counted. However, the click-through rates are more accurate since they are not subjected to the differences in how the message might be rendered.