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
455.754 394.406	344.481 302.081	93.172 78.208	18.101 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 (%)
75.58 % 76.59 %	20.44 % 19.83 %	3.97 % 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	35042 30362	27485 24204	6251 5178	1306 980	78.43 % 79.72 %	17.84 % 17.05 %	3.73 % 3.23 %
Elektronics	34751 30287	26548 23385	6901 5902	1302 1000	76.39 % 77.21 %	19.86 % 19.49 %	3.75 % 3.30 %
Entertainment	35026 30255	26451 23092	7165 6045	1410 1118	75.52 % 76.32 %	20.46 % 19.98 %	4.03 % 3.70 %
Cosmetics & Beauty	35062 30425	26483 23232	7197 6099	1382 1094	75.53 % 76.36 %	20.53 % 20.05 %	3.94 % 3.60 %
Food & Drink	35174 30373	27683 24085	6246 5283	1245 1005	78.70 % 79.30 %	17.76 % 17.39 %	3.54 % 3.31 %
Home & Garden	35075 30268	27461 24131	6299 5167	1315 970	78.29 % 79.72 %	17.96 % 17.07 %	3.75 % 3.20 %
Finance	35400 30282	25579 22132	8325 6922	1496 1228	72.26 % 73.09 %	23.52 % 22.86 %	4.23 % 4.06 %
Health	34611 30386	25334 22511	7833 6731	1444 1144	73.20 % 74.08 %	22.63 % 22.15 %	4.17 % 3.76 %
Pets	35515 30515	27532 24072	6653 5436	1330 1007	77.52 % 78.89 %	18.73 % 17.81 %	3.74 % 3.30 %
Sport & Fitness	35393 30484	26310 23007	7624 6312	1459 1165	74.34 % 75.47 %	21.54 % 20.71 %	4.12 % 3.82 %
Job & Career	34743 30364	25648 22710	7574 6456	1521 1198	73.82 % 74.79 %	21.80 % 21.26 %	4.38 % 3.95 %
Dating	35344 30301	25058 21762	8702 7322	1584 1217	70.90 % 71.82 %	24.62 % 24.16 %	4.48 % 4.02 %
Other	34618 30104	26909 23758	6402 5355	1307 991	77.73 % 78.92 %	18.49 % 17.79 %	3.78 % 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	44239 39282	31905 28873	10444 8892	1890 1517	72.12 % 73.50 %	23.61 % 22.64 %	4.27 % 3.86 %
Outlook Mail	43937 38997	32041 28821	9961 8633	1935 1543	72.92 % 73.91 %	22.67 % 22.14 %	4.40 % 3.96 %
Yahoo Mail	44012 40103	33068 30633	9170 8046	1774 1424	75.13 % 76.39 %	20.84 % 20.06 %	4.03 % 3.55 %
AOL Mail	43244 39425	32467 30059	8913 7908	1864 1458	75.08 % 76.24 %	20.61 % 20.06 %	4.31 % 3.70 %
Mail.com	44440 38624	33930 30060	8781 7211	1729 1353	76.35 % 77.83 %	19.76 % 18.67 %	3.89 % 3.50 %
Yandex Mail	44557 38821	32851 29129	9829 8168	1877 1524	73.73 % 75.03 %	22.06 % 21.04 %	4.21 % 3.93 %
GMX Mail	43833 39819	33394 30627	8799 7798	1640 1394	76.18 % 76.92 %	20.07 % 19.58 %	3.74 % 3.50 %
Zoho Mail	44280 40117	34245 31303	8448 7430	1587 1384	77.34 % 78.03 %	19.08 % 18.52 %	3.58 % 3.45 %
ProtonMail	44514 39371	34397 30858	8521 7262	1596 1251	77.27 % 78.38 %	19.14 % 18.45 %	3.59 % 3.18 %
Custom Mail	44546 39847	34950 31718	8021 6860	1575 1269	78.46 % 79.60 %	18.01 % 17.22 %	3.54 % 3.18 %
iCloud Mail	4663	3484	923	256	74.72 % %	19.79 % %	5.49 % %
Tuta	4649	3767	685	197	81.03 % %	14.73 % %	4.24 % %
Juno.com	4840	3982	677	181	82.27 % %	13.99 % %	3.74 % %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.