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
464.675 394.406	351.590 302.081	94.581 78.208	18.504 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 (%)
75.66 % 76.59 %	20.35 % 19.83 %	3.98 % 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	35727 30362	28052 24204	6347 5178	1328 980	78.52 % 79.72 %	17.77 % 17.05 %	3.72 % 3.23 %
Elektronics	35461 30287	27120 23385	7006 5902	1335 1000	76.48 % 77.21 %	19.76 % 19.49 %	3.76 % 3.30 %
Entertainment	35681 30255	26967 23092	7271 6045	1443 1118	75.58 % 76.32 %	20.38 % 19.98 %	4.04 % 3.70 %
Cosmetics & Beauty	35744 30425	27021 23232	7307 6099	1416 1094	75.60 % 76.36 %	20.44 % 20.05 %	3.96 % 3.60 %
Food & Drink	35835 30373	28231 24085	6336 5283	1268 1005	78.78 % 79.30 %	17.68 % 17.39 %	3.54 % 3.31 %
Home & Garden	35736 30268	28004 24131	6390 5167	1342 970	78.36 % 79.72 %	17.88 % 17.07 %	3.76 % 3.20 %
Finance	36106 30282	26129 22132	8451 6922	1526 1228	72.37 % 73.09 %	23.41 % 22.86 %	4.23 % 4.06 %
Health	35266 30386	25854 22511	7940 6731	1472 1144	73.31 % 74.08 %	22.51 % 22.15 %	4.17 % 3.76 %
Pets	36215 30515	28096 24072	6755 5436	1364 1007	77.58 % 78.89 %	18.65 % 17.81 %	3.77 % 3.30 %
Sport & Fitness	36116 30484	26879 23007	7746 6312	1491 1165	74.42 % 75.47 %	21.45 % 20.71 %	4.13 % 3.82 %
Job & Career	35458 30364	26203 22710	7699 6456	1556 1198	73.90 % 74.79 %	21.71 % 21.26 %	4.39 % 3.95 %
Dating	36050 30301	25599 21762	8831 7322	1620 1217	71.01 % 71.82 %	24.50 % 24.16 %	4.49 % 4.02 %
Other	35280 30104	27435 23758	6502 5355	1343 991	77.76 % 78.92 %	18.43 % 17.79 %	3.81 % 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, Constant Contact is better than ConvertKit.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	44943 39282	32430 28873	10589 8892	1924 1517	72.16 % 73.50 %	23.56 % 22.64 %	4.28 % 3.86 %
Outlook Mail	44648 38997	32601 28821	10084 8633	1963 1543	73.02 % 73.91 %	22.59 % 22.14 %	4.40 % 3.96 %
Yahoo Mail	44741 40103	33650 30633	9288 8046	1803 1424	75.21 % 76.39 %	20.76 % 20.06 %	4.03 % 3.55 %
AOL Mail	43892 39425	32975 30059	9019 7908	1898 1458	75.13 % 76.24 %	20.55 % 20.06 %	4.32 % 3.70 %
Mail.com	45122 38624	34478 30060	8886 7211	1758 1353	76.41 % 77.83 %	19.69 % 18.67 %	3.90 % 3.50 %
Yandex Mail	45262 38821	33399 29129	9950 8168	1913 1524	73.79 % 75.03 %	21.98 % 21.04 %	4.23 % 3.93 %
GMX Mail	44538 39819	33970 30627	8898 7798	1670 1394	76.27 % 76.92 %	19.98 % 19.58 %	3.75 % 3.50 %
Zoho Mail	44928 40117	34771 31303	8541 7430	1616 1384	77.39 % 78.03 %	19.01 % 18.52 %	3.60 % 3.45 %
ProtonMail	45185 39371	34954 30858	8611 7262	1620 1251	77.36 % 78.38 %	19.06 % 18.45 %	3.59 % 3.18 %
Custom Mail	45252 39847	35527 31718	8116 6860	1609 1269	78.51 % 79.60 %	17.94 % 17.22 %	3.56 % 3.18 %
iCloud Mail	5341	3987	1053	301	74.65 % %	19.72 % %	5.64 % %
Tuta	5338	4328	783	227	81.08 % %	14.67 % %	4.25 % %
Juno.com	5485	4520	763	202	82.41 % %	13.91 % %	3.68 % %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.