Constant Contact and ConvertKit Email Deliverability Comparison

In this comparison, the deliverability of Constant Contact and ConvertKit is compared in detail. All available data, taking the filters into account, is used for the comparison.

Email deliverability

This comparison compares the numbers for sent emails, you can also see in which folder the emails at the email service provider ended up and how many emails were lost on the way. The numbers look better for ConvertKit than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
393.251 394.406	294.842 302.081	83.028 78.208	15.381 14.117

Email deliverability rates

The following table shows the most important deliverability rates (in percent) for the compared providers. The higher the inbox rate and the lower the spam rate, the better. ConvertKit beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
74.98 % 76.59 %	21.11 % 19.83 %	3.91 % 3.58 %

Email deliverability by category

This comparison compares the deliverability taking into account the category or the industry. The deliverability can vary greatly depending on the industry. In this comparison, ConvertKit is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	30289 30362	23603 24204	5572 5178	1114 980	77.93 % 79.72 %	18.40 % 17.05 %	3.68 % 3.23 %
Elektronics	29996 30287	22720 23385	6168 5902	1108 1000	75.74 % 77.21 %	20.56 % 19.49 %	3.69 % 3.30 %
Entertainment	30230 30255	22614 23092	6388 6045	1228 1118	74.81 % 76.32 %	21.13 % 19.98 %	4.06 % 3.70 %
Cosmetics & Beauty	30328 30425	22712 23232	6431 6099	1185 1094	74.89 % 76.36 %	21.20 % 20.05 %	3.91 % 3.60 %
Food & Drink	30285 30373	23689 24085	5542 5283	1054 1005	78.22 % 79.30 %	18.30 % 17.39 %	3.48 % 3.31 %
Home & Garden	30279 30268	23551 24131	5605 5167	1123 970	77.78 % 79.72 %	18.51 % 17.07 %	3.71 % 3.20 %
Finance	30621 30282	21898 22132	7449 6922	1274 1228	71.51 % 73.09 %	24.33 % 22.86 %	4.16 % 4.06 %
Health	29732 30386	21527 22511	6991 6731	1214 1144	72.40 % 74.08 %	23.51 % 22.15 %	4.08 % 3.76 %
Pets	30751 30515	23678 24072	5932 5436	1141 1007	77.00 % 78.89 %	19.29 % 17.81 %	3.71 % 3.30 %
Sport & Fitness	30640 30484	22601 23007	6805 6312	1234 1165	73.76 % 75.47 %	22.21 % 20.71 %	4.03 % 3.82 %
Job & Career	29852 30364	21926 22710	6672 6456	1254 1198	73.45 % 74.79 %	22.35 % 21.26 %	4.20 % 3.95 %
Dating	30489 30301	21335 21762	7809 7322	1345 1217	69.98 % 71.82 %	25.61 % 24.16 %	4.41 % 4.02 %
Other	29759 30104	22988 23758	5664 5355	1107 991	77.25 % 78.92 %	19.03 % 17.79 %	3.72 % 3.29 %

Email deliverability by email service provider

Finally, the following table compares the deliverability taking into account the email service provider. Similar to the industry, also the email service provider can affect the email deliverability in both directions – positive or negative. In this comparison, ConvertKit is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	39403 39282	28327 28873	9442 8892	1634 1517	71.89 % 73.50 %	23.96 % 22.64 %	4.15 % 3.86 %
Outlook Mail	39123 38997	28321 28821	9106 8633	1696 1543	72.39 % 73.91 %	23.28 % 22.14 %	4.34 % 3.96 %
Yahoo Mail	39263 40103	29312 30633	8378 8046	1573 1424	74.66 % 76.39 %	21.34 % 20.06 %	4.01 % 3.55 %
AOL Mail	38346 39425	28638 30059	8094 7908	1614 1458	74.68 % 76.24 %	21.11 % 20.06 %	4.21 % 3.70 %
Mail.com	39548 38624	30015 30060	8010 7211	1523 1353	75.90 % 77.83 %	20.25 % 18.67 %	3.85 % 3.50 %
Yandex Mail	39615 38821	28986 29129	8965 8168	1664 1524	73.17 % 75.03 %	22.63 % 21.04 %	4.20 % 3.93 %
GMX Mail	39002 39819	29463 30627	8081 7798	1458 1394	75.54 % 76.92 %	20.72 % 19.58 %	3.74 % 3.50 %
Zoho Mail	39547 40117	30387 31303	7757 7430	1403 1384	76.84 % 78.03 %	19.61 % 18.52 %	3.55 % 3.45 %
ProtonMail	39681 39371	30410 30858	7848 7262	1423 1251	76.64 % 78.38 %	19.78 % 18.45 %	3.59 % 3.18 %
Custom Mail	39723 39847	30983 31718	7347 6860	1393 1269	78.00 % 79.60 %	18.50 % 17.22 %	3.51 % 3.18 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.