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
304.458 304.870	224.204 229.005	68.602 65.335	11.652 10.530

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 (%)
73.64 % 75.12 %	22.53 % 21.43 %	3.83 % 3.45 %

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	23511 23409	18037 18350	4610 4317	864 742	76.72 % 78.39 %	19.61 % 18.44 %	3.67 % 3.17 %
Elektronics	23280 23619	17324 17836	5129 5003	827 780	74.42 % 75.52 %	22.03 % 21.18 %	3.55 % 3.30 %
Entertainment	23355 23325	17171 17459	5271 5046	913 820	73.52 % 74.85 %	22.57 % 21.63 %	3.91 % 3.52 %
Cosmetics & Beauty	23563 23668	17348 17731	5319 5122	896 815	73.62 % 74.92 %	22.57 % 21.64 %	3.80 % 3.44 %
Food & Drink	23422 23683	18078 18468	4561 4468	783 747	77.18 % 77.98 %	19.47 % 18.87 %	3.34 % 3.15 %
Home & Garden	23414 23229	17938 18232	4623 4278	853 719	76.61 % 78.49 %	19.74 % 18.42 %	3.64 % 3.10 %
Finance	23719 23315	16576 16664	6187 5775	956 876	69.88 % 71.47 %	26.08 % 24.77 %	4.03 % 3.76 %
Health	22965 23465	16218 16956	5817 5654	930 855	70.62 % 72.26 %	25.33 % 24.10 %	4.05 % 3.64 %
Pets	23848 23491	18109 18243	4880 4490	859 758	75.94 % 77.66 %	20.46 % 19.11 %	3.60 % 3.23 %
Sport & Fitness	23899 23604	17348 17503	5622 5243	929 858	72.59 % 74.15 %	23.52 % 22.21 %	3.89 % 3.63 %
Job & Career	23117 23563	16696 17317	5451 5343	970 903	72.22 % 73.49 %	23.58 % 22.68 %	4.20 % 3.83 %
Dating	23416 23411	15884 16290	6513 6195	1019 926	67.83 % 69.58 %	27.81 % 26.46 %	4.35 % 3.96 %
Other	22949 23088	17477 17956	4619 4401	853 731	76.16 % 77.77 %	20.13 % 19.06 %	3.72 % 3.17 %

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	30483 30393	21417 21809	7843 7442	1223 1142	70.26 % 71.76 %	25.73 % 24.49 %	4.01 % 3.76 %
Outlook Mail	30225 30237	21454 21858	7511 7224	1260 1155	70.98 % 72.29 %	24.85 % 23.89 %	4.17 % 3.82 %
Yahoo Mail	30301 31110	22250 23344	6853 6692	1198 1074	73.43 % 75.04 %	22.62 % 21.51 %	3.95 % 3.45 %
AOL Mail	29511 30460	21710 22863	6590 6534	1211 1063	73.57 % 75.06 %	22.33 % 21.45 %	4.10 % 3.49 %
Mail.com	30614 29689	22884 22719	6582 5962	1148 1008	74.75 % 76.52 %	21.50 % 20.08 %	3.75 % 3.40 %
Yandex Mail	30603 29663	22024 21861	7342 6702	1237 1100	71.97 % 73.70 %	23.99 % 22.59 %	4.04 % 3.71 %
GMX Mail	30240 30883	22317 23240	6772 6618	1151 1025	73.80 % 75.25 %	22.39 % 21.43 %	3.81 % 3.32 %
Zoho Mail	30674 31153	23177 23858	6434 6250	1063 1045	75.56 % 76.58 %	20.98 % 20.06 %	3.47 % 3.35 %
ProtonMail	30830 30321	23168 23221	6573 6141	1089 959	75.15 % 76.58 %	21.32 % 20.25 %	3.53 % 3.16 %
Custom Mail	30977 30961	23803 24232	6102 5770	1072 959	76.84 % 78.27 %	19.70 % 18.64 %	3.46 % 3.10 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.