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
188.444 188.582	132.072 133.866	49.818 48.724	6.554 5.992

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 (%)
70.09 % 70.99 %	26.44 % 25.84 %	3.48 % 3.18 %

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	14462 14519	10651 10883	3327 3224	484 412	73.65 % 74.96 %	23.01 % 22.21 %	3.35 % 2.84 %
Elektronics	14435 14716	10194 10425	3773 3817	468 474	70.62 % 70.84 %	26.14 % 25.94 %	3.24 % 3.22 %
Entertainment	14452 14214	10114 10013	3819 3739	519 462	69.98 % 70.44 %	26.43 % 26.31 %	3.59 % 3.25 %
Cosmetics & Beauty	14536 14797	10173 10487	3854 3841	509 469	69.98 % 70.87 %	26.51 % 25.96 %	3.50 % 3.17 %
Food & Drink	14361 14891	10629 11056	3275 3383	457 452	74.01 % 74.25 %	22.80 % 22.72 %	3.18 % 3.04 %
Home & Garden	14599 14218	10740 10638	3359 3166	500 414	73.57 % 74.82 %	23.01 % 22.27 %	3.42 % 2.91 %
Finance	14872 14489	9785 9648	4574 4339	513 502	65.79 % 66.59 %	30.76 % 29.95 %	3.45 % 3.46 %
Health	14414 14599	9579 9827	4331 4289	504 483	66.46 % 67.31 %	30.05 % 29.38 %	3.50 % 3.31 %
Pets	14832 14590	10846 10864	3503 3301	483 425	73.13 % 74.46 %	23.62 % 22.63 %	3.26 % 2.91 %
Sport & Fitness	14806 14617	10229 10276	4039 3864	538 477	69.09 % 70.30 %	27.28 % 26.43 %	3.63 % 3.26 %
Job & Career	13994 14410	9666 10077	3784 3842	544 491	69.07 % 69.93 %	27.04 % 26.66 %	3.89 % 3.41 %
Dating	14470 14353	9041 9139	4881 4709	548 505	62.48 % 63.67 %	33.73 % 32.81 %	3.79 % 3.52 %
Other	14211 14169	10425 10533	3299 3210	487 426	73.36 % 74.34 %	23.21 % 22.66 %	3.43 % 3.01 %

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	18894 18773	12465 12546	5755 5581	674 646	65.97 % 66.83 %	30.46 % 29.73 %	3.57 % 3.44 %
Outlook Mail	18628 18712	12493 12693	5441 5372	694 647	67.07 % 67.83 %	29.21 % 28.71 %	3.73 % 3.46 %
Yahoo Mail	18686 19299	13135 13789	4894 4920	657 590	70.29 % 71.45 %	26.19 % 25.49 %	3.52 % 3.06 %
AOL Mail	17756 18768	12503 13381	4597 4774	656 613	70.42 % 71.30 %	25.89 % 25.44 %	3.69 % 3.27 %
Mail.com	18897 17944	13538 13088	4706 4307	653 549	71.64 % 72.94 %	24.90 % 24.00 %	3.46 % 3.06 %
Yandex Mail	19101 18188	13146 12725	5287 4865	668 598	68.82 % 69.96 %	27.68 % 26.75 %	3.50 % 3.29 %
GMX Mail	18856 19343	13111 13614	5069 5117	676 612	69.53 % 70.38 %	26.88 % 26.45 %	3.59 % 3.16 %
Zoho Mail	19127 19576	13811 14233	4695 4744	621 599	72.21 % 72.71 %	24.55 % 24.23 %	3.25 % 3.06 %
ProtonMail	19150 18835	13599 13532	4917 4723	634 580	71.01 % 71.84 %	25.68 % 25.08 %	3.31 % 3.08 %
Custom Mail	19349 19144	14271 14265	4457 4321	621 558	73.76 % 74.51 %	23.03 % 22.57 %	3.21 % 2.91 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.