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
438.027 394.406	330.244 302.081	90.425 78.208	17.358 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 (%)
75.39 % 76.59 %	20.64 % 19.83 %	3.96 % 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	33667 30362	26349 24204	6066 5178	1252 980	78.26 % 79.72 %	18.02 % 17.05 %	3.72 % 3.23 %
Elektronics	33415 30287	25454 23385	6709 5902	1252 1000	76.18 % 77.21 %	20.08 % 19.49 %	3.75 % 3.30 %
Entertainment	33654 30255	25335 23092	6954 6045	1365 1118	75.28 % 76.32 %	20.66 % 19.98 %	4.06 % 3.70 %
Cosmetics & Beauty	33691 30425	25389 23232	6984 6099	1318 1094	75.36 % 76.36 %	20.73 % 20.05 %	3.91 % 3.60 %
Food & Drink	33730 30373	26488 24085	6044 5283	1198 1005	78.53 % 79.30 %	17.92 % 17.39 %	3.55 % 3.31 %
Home & Garden	33744 30268	26361 24131	6115 5167	1268 970	78.12 % 79.72 %	18.12 % 17.07 %	3.76 % 3.20 %
Finance	34034 30282	24516 22132	8084 6922	1434 1228	72.03 % 73.09 %	23.75 % 22.86 %	4.21 % 4.06 %
Health	33220 30386	24247 22511	7604 6731	1369 1144	72.99 % 74.08 %	22.89 % 22.15 %	4.12 % 3.76 %
Pets	34152 30515	26407 24072	6455 5436	1290 1007	77.32 % 78.89 %	18.90 % 17.81 %	3.78 % 3.30 %
Sport & Fitness	34038 30484	25245 23007	7395 6312	1398 1165	74.17 % 75.47 %	21.73 % 20.71 %	4.11 % 3.82 %
Job & Career	33428 30364	24634 22710	7343 6456	1451 1198	73.69 % 74.79 %	21.97 % 21.26 %	4.34 % 3.95 %
Dating	34008 30301	24034 21762	8468 7322	1506 1217	70.67 % 71.82 %	24.90 % 24.16 %	4.43 % 4.02 %
Other	33246 30104	25785 23758	6204 5355	1257 991	77.56 % 78.92 %	18.66 % 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	42858 39282	30887 28873	10167 8892	1804 1517	72.07 % 73.50 %	23.72 % 22.64 %	4.21 % 3.86 %
Outlook Mail	42630 38997	31015 28821	9740 8633	1875 1543	72.75 % 73.91 %	22.85 % 22.14 %	4.40 % 3.96 %
Yahoo Mail	42656 40103	31978 30633	8946 8046	1732 1424	74.97 % 76.39 %	20.97 % 20.06 %	4.06 % 3.55 %
AOL Mail	41862 39425	31371 30059	8692 7908	1799 1458	74.94 % 76.24 %	20.76 % 20.06 %	4.30 % 3.70 %
Mail.com	43040 38624	32797 30060	8571 7211	1672 1353	76.20 % 77.83 %	19.91 % 18.67 %	3.88 % 3.50 %
Yandex Mail	43141 38821	31731 29129	9594 8168	1816 1524	73.55 % 75.03 %	22.24 % 21.04 %	4.21 % 3.93 %
GMX Mail	42456 39819	32271 30627	8603 7798	1582 1394	76.01 % 76.92 %	20.26 % 19.58 %	3.73 % 3.50 %
Zoho Mail	42893 40117	33094 31303	8256 7430	1543 1384	77.15 % 78.03 %	19.25 % 18.52 %	3.60 % 3.45 %
ProtonMail	43164 39371	33274 30858	8345 7262	1545 1251	77.09 % 78.38 %	19.33 % 18.45 %	3.58 % 3.18 %
Custom Mail	43176 39847	33800 31718	7842 6860	1534 1269	78.28 % 79.60 %	18.16 % 17.22 %	3.55 % 3.18 %
iCloud Mail	3319	2465	667	187	74.27 % %	20.10 % %	5.63 % %
Tuta	3385	2739	508	138	80.92 % %	15.01 % %	4.08 % %
Juno.com	3447	2822	494	131	81.87 % %	14.33 % %	3.80 % %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.