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
277.336 277.576	202.688 206.826	64.216 61.323	10.432 9.427

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 (%)
73.08 % 74.51 %	23.15 % 22.09 %	3.76 % 3.40 %

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	21366 21385	16287 16655	4308 4058	771 672	76.23 % 77.88 %	20.16 % 18.98 %	3.61 % 3.14 %
Elektronics	21303 21587	15737 16163	4827 4725	739 699	73.87 % 74.87 %	22.66 % 21.89 %	3.47 % 3.24 %
Entertainment	21335 21197	15572 15734	4941 4733	822 730	72.99 % 74.23 %	23.16 % 22.33 %	3.85 % 3.44 %
Cosmetics & Beauty	21426 21553	15655 16027	4977 4810	794 716	73.07 % 74.36 %	23.23 % 22.32 %	3.71 % 3.32 %
Food & Drink	21291 21551	16317 16682	4261 4196	713 673	76.64 % 77.41 %	20.01 % 19.47 %	3.35 % 3.12 %
Home & Garden	21367 21117	16264 16461	4332 4008	771 648	76.12 % 77.95 %	20.27 % 18.98 %	3.61 % 3.07 %
Finance	21645 21276	14990 15063	5806 5434	849 779	69.25 % 70.80 %	26.82 % 25.54 %	3.92 % 3.66 %
Health	20888 21310	14616 15236	5452 5311	820 763	69.97 % 71.50 %	26.10 % 24.92 %	3.93 % 3.58 %
Pets	21781 21462	16445 16569	4564 4208	772 685	75.50 % 77.20 %	20.95 % 19.61 %	3.54 % 3.19 %
Sport & Fitness	21782 21453	15695 15779	5256 4899	831 775	72.05 % 73.55 %	24.13 % 22.84 %	3.82 % 3.61 %
Job & Career	20930 21422	15009 15632	5052 4987	869 803	71.71 % 72.97 %	24.14 % 23.28 %	4.15 % 3.75 %
Dating	21291 21261	14258 14612	6126 5836	907 813	66.97 % 68.73 %	28.77 % 27.45 %	4.26 % 3.82 %
Other	20931 21002	15843 16213	4314 4118	774 671	75.69 % 77.20 %	20.61 % 19.61 %	3.70 % 3.19 %

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	27701 27643	19273 19622	7340 6994	1088 1027	69.58 % 70.98 %	26.50 % 25.30 %	3.93 % 3.72 %
Outlook Mail	27562 27606	19390 19779	7039 6788	1133 1039	70.35 % 71.65 %	25.54 % 24.59 %	4.11 % 3.76 %
Yahoo Mail	27534 28432	20076 21171	6388 6284	1070 977	72.91 % 74.46 %	23.20 % 22.10 %	3.89 % 3.44 %
AOL Mail	26726 27762	19550 20704	6122 6115	1054 943	73.15 % 74.58 %	22.91 % 22.03 %	3.94 % 3.40 %
Mail.com	27825 26928	20662 20484	6138 5560	1025 884	74.26 % 76.07 %	22.06 % 20.65 %	3.68 % 3.28 %
Yandex Mail	27972 26896	19987 19657	6869 6251	1116 988	71.45 % 73.09 %	24.56 % 23.24 %	3.99 % 3.67 %
GMX Mail	27620 28109	20187 20950	6382 6247	1051 912	73.09 % 74.53 %	23.11 % 22.22 %	3.81 % 3.24 %
Zoho Mail	27963 28396	20987 21602	6025 5873	951 921	75.05 % 76.07 %	21.55 % 20.68 %	3.40 % 3.24 %
ProtonMail	28188 27671	21001 21003	6197 5803	990 865	74.50 % 75.90 %	21.98 % 20.97 %	3.51 % 3.13 %
Custom Mail	28245 28133	21575 21854	5716 5408	954 871	76.39 % 77.68 %	20.24 % 19.22 %	3.38 % 3.10 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.