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
386.369 387.442	289.437 296.309	81.857 77.267	15.075 13.866

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 (%)
74.91 % 76.48 %	21.19 % 19.94 %	3.90 % 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	29778 29824	23188 23739	5494 5118	1096 967	77.87 % 79.60 %	18.45 % 17.16 %	3.68 % 3.24 %
Elektronics	29424 29797	22263 22967	6075 5840	1086 990	75.66 % 77.08 %	20.65 % 19.60 %	3.69 % 3.32 %
Entertainment	29695 29705	22191 22638	6298 5971	1206 1096	74.73 % 76.21 %	21.21 % 20.10 %	4.06 % 3.69 %
Cosmetics & Beauty	29786 29911	22295 22808	6338 6027	1153 1076	74.85 % 76.25 %	21.28 % 20.15 %	3.87 % 3.60 %
Food & Drink	29802 29829	23295 23626	5470 5220	1037 983	78.17 % 79.20 %	18.35 % 17.50 %	3.48 % 3.30 %
Home & Garden	29752 29688	23121 23630	5526 5099	1105 959	77.71 % 79.59 %	18.57 % 17.18 %	3.71 % 3.23 %
Finance	30013 29732	21437 21697	7334 6837	1242 1198	71.43 % 72.98 %	24.44 % 23.00 %	4.14 % 4.03 %
Health	29219 29875	21133 22098	6898 6654	1188 1123	72.33 % 73.97 %	23.61 % 22.27 %	4.07 % 3.76 %
Pets	30220 29974	23268 23621	5848 5368	1104 985	77.00 % 78.80 %	19.35 % 17.91 %	3.65 % 3.29 %
Sport & Fitness	30118 29942	22193 22562	6710 6232	1215 1148	73.69 % 75.35 %	22.28 % 20.81 %	4.03 % 3.83 %
Job & Career	29359 29847	21544 22295	6580 6376	1235 1176	73.38 % 74.70 %	22.41 % 21.36 %	4.21 % 3.94 %
Dating	29918 29778	20900 21341	7698 7241	1320 1196	69.86 % 71.67 %	25.73 % 24.32 %	4.41 % 4.02 %
Other	29285 29540	22609 23287	5588 5284	1088 969	77.20 % 78.83 %	19.08 % 17.89 %	3.72 % 3.28 %

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	38739 38585	27822 28305	9319 8787	1598 1493	71.82 % 73.36 %	24.06 % 22.77 %	4.13 % 3.87 %
Outlook Mail	38508 38320	27844 28266	8994 8531	1670 1523	72.31 % 73.76 %	23.36 % 22.26 %	4.34 % 3.97 %
Yahoo Mail	38552 39382	28758 30044	8250 7942	1544 1396	74.60 % 76.29 %	21.40 % 20.17 %	4.00 % 3.54 %
AOL Mail	37649 38738	28102 29497	7971 7807	1576 1434	74.64 % 76.14 %	21.17 % 20.15 %	4.19 % 3.70 %
Mail.com	38849 37931	29477 29485	7886 7118	1486 1328	75.88 % 77.73 %	20.30 % 18.77 %	3.83 % 3.50 %
Yandex Mail	38847 38099	28400 28546	8822 8058	1625 1495	73.11 % 74.93 %	22.71 % 21.15 %	4.18 % 3.92 %
GMX Mail	38308 39108	28897 30036	7974 7712	1437 1360	75.43 % 76.80 %	20.82 % 19.72 %	3.75 % 3.48 %
Zoho Mail	38869 39431	29841 30722	7652 7346	1376 1363	76.77 % 77.91 %	19.69 % 18.63 %	3.54 % 3.46 %
ProtonMail	38991 38703	29860 30289	7742 7186	1389 1228	76.58 % 78.26 %	19.86 % 18.57 %	3.56 % 3.17 %
Custom Mail	39057 39145	30436 31119	7247 6780	1374 1246	77.93 % 79.50 %	18.55 % 17.32 %	3.52 % 3.18 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.