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
540.483 394.406	412.262 302.081	107.687 78.208	21.069 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 (%)
76.28 % 76.59 %	19.92 % 19.83 %	3.90 % 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	41392 30362	32657 24204	7282 5178	1516 980	78.90 % 79.72 %	17.59 % 17.05 %	3.66 % 3.23 %
Elektronics	41334 30287	31860 23385	7982 5902	1525 1000	77.08 % 77.21 %	19.31 % 19.49 %	3.69 % 3.30 %
Entertainment	41622 30255	31703 23092	8295 6045	1627 1118	76.17 % 76.32 %	19.93 % 19.98 %	3.91 % 3.70 %
Cosmetics & Beauty	41603 30425	31719 23232	8337 6099	1612 1094	76.24 % 76.36 %	20.04 % 20.05 %	3.87 % 3.60 %
Food & Drink	41617 30373	32927 24085	7308 5283	1447 1005	79.12 % 79.30 %	17.56 % 17.39 %	3.48 % 3.31 %
Home & Garden	41806 30268	32922 24131	7393 5167	1550 970	78.75 % 79.72 %	17.68 % 17.07 %	3.71 % 3.20 %
Finance	41990 30282	30775 22132	9514 6922	1751 1228	73.29 % 73.09 %	22.66 % 22.86 %	4.17 % 4.06 %
Health	41038 30386	30441 22511	8947 6731	1675 1144	74.18 % 74.08 %	21.80 % 22.15 %	4.08 % 3.76 %
Pets	42146 30515	32859 24072	7759 5436	1559 1007	77.96 % 78.89 %	18.41 % 17.81 %	3.70 % 3.30 %
Sport & Fitness	41859 30484	31437 23007	8771 6312	1692 1165	75.10 % 75.47 %	20.95 % 20.71 %	4.04 % 3.82 %
Job & Career	41297 30364	30826 22710	8756 6456	1760 1198	74.64 % 74.79 %	21.20 % 21.26 %	4.26 % 3.95 %
Dating	41795 30301	30105 21762	9894 7322	1829 1217	72.03 % 71.82 %	23.67 % 24.16 %	4.38 % 4.02 %
Other	40984 30104	32031 23758	7449 5355	1526 991	78.15 % 78.92 %	18.18 % 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, Constant Contact is better than ConvertKit.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	50783 39282	36942 28873	11716 8892	2164 1517	72.74 % 73.50 %	23.07 % 22.64 %	4.26 % 3.86 %
Outlook Mail	50592 38997	37299 28821	11167 8633	2163 1543	73.73 % 73.91 %	22.07 % 22.14 %	4.28 % 3.96 %
Yahoo Mail	50611 40103	38304 30633	10344 8046	2014 1424	75.68 % 76.39 %	20.44 % 20.06 %	3.98 % 3.55 %
AOL Mail	49605 39425	37561 30059	10008 7908	2072 1458	75.72 % 76.24 %	20.18 % 20.06 %	4.18 % 3.70 %
Mail.com	51145 38624	39324 30060	9909 7211	1950 1353	76.89 % 77.83 %	19.37 % 18.67 %	3.81 % 3.50 %
Yandex Mail	51255 38821	38151 29129	11062 8168	2129 1524	74.43 % 75.03 %	21.58 % 21.04 %	4.15 % 3.93 %
GMX Mail	50233 39819	38550 30627	9835 7798	1862 1394	76.74 % 76.92 %	19.58 % 19.58 %	3.71 % 3.50 %
Zoho Mail	50707 40117	39469 31303	9484 7430	1801 1384	77.84 % 78.03 %	18.70 % 18.52 %	3.55 % 3.45 %
ProtonMail	50988 39371	39687 30858	9564 7262	1803 1251	77.84 % 78.38 %	18.76 % 18.45 %	3.54 % 3.18 %
Custom Mail	50909 39847	40142 31718	9036 6860	1784 1269	78.85 % 79.60 %	17.75 % 17.22 %	3.50 % 3.18 %
iCloud Mail	11115	8481	2148	533	76.30 % %	19.33 % %	4.80 % %
Tuta	11128	9001	1722	420	80.89 % %	15.47 % %	3.77 % %
Juno.com	11412	9351	1692	374	81.94 % %	14.83 % %	3.28 % %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.