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
113.062 113.211	72.133 72.588	37.636 37.678	3.293 2.945

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 Rate	Spam Rate	Lost Rate
63.80 % 64.12 %	33.29 % 33.28 %	2.91 % 2.60 %

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 Rate	Spam Rate	Lost Rate
Clothing	8753 8673	5982 5962	2521 2486	250 225	68.34 % 68.74 %	28.80 % 28.66 %	2.86 % 2.59 %
Elektronics	8705 8990	5552 5732	2901 3020	252 238	63.78 % 63.76 %	33.33 % 33.59 %	2.89 % 2.65 %
Entertainment	8530 8674	5426 5517	2855 2930	249 227	63.61 % 63.60 %	33.47 % 33.78 %	2.92 % 2.62 %
Cosmetics & Beauty	8734 8904	5562 5694	2914 2976	258 234	63.68 % 63.95 %	33.36 % 33.42 %	2.95 % 2.63 %
Food & Drink	8590 9162	5879 6266	2461 2655	250 241	68.44 % 68.39 %	28.65 % 28.98 %	2.91 % 2.63 %
Home & Garden	8779 8425	5989 5784	2527 2424	263 217	68.22 % 68.65 %	28.78 % 28.77 %	3.00 % 2.58 %
Finance	9146 8697	5347 5104	3529 3366	270 227	58.46 % 58.69 %	38.59 % 38.70 %	2.95 % 2.61 %
Health	8565 8791	5004 5185	3317 3378	244 228	58.42 % 58.98 %	38.73 % 38.43 %	2.85 % 2.59 %
Pets	9057 8685	6168 5969	2620 2494	269 222	68.10 % 68.73 %	28.93 % 28.72 %	2.97 % 2.56 %
Sport & Fitness	8971 8689	5674 5536	3032 2925	265 228	63.25 % 63.71 %	33.80 % 33.66 %	2.95 % 2.62 %
Job & Career	8034 8489	5112 5411	2698 2858	224 220	63.63 % 63.74 %	33.58 % 33.67 %	2.79 % 2.59 %
Dating	8635 8610	4568 4639	3816 3751	251 220	52.90 % 53.88 %	44.19 % 43.57 %	2.91 % 2.56 %
Other	8563 8422	5870 5789	2445 2415	248 218	68.55 % 68.74 %	28.55 % 28.67 %	2.90 % 2.59 %

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 Rate	Spam Rate	Lost Rate
Gmail	11220 11210	6515 6574	4378 4344	327 292	58.07 % 58.64 %	39.02 % 38.75 %	2.91 % 2.60 %
Outlook Mail	11157 11198	6719 6769	4108 4135	330 294	60.22 % 60.45 %	36.82 % 36.93 %	2.96 % 2.63 %
Yahoo Mail	11362 11680	7389 7635	3640 3749	333 296	65.03 % 65.37 %	32.04 % 32.10 %	2.93 % 2.53 %
AOL Mail	10507 11258	6823 7354	3385 3614	299 290	64.94 % 65.32 %	32.22 % 32.10 %	2.85 % 2.58 %
Mail.com	11423 10682	7577 7140	3512 3266	334 276	66.33 % 66.84 %	30.74 % 30.57 %	2.92 % 2.58 %
Yandex Mail	11527 10699	7268 6777	3922 3648	337 274	63.05 % 63.34 %	34.02 % 34.10 %	2.92 % 2.56 %
GMX Mail	11153 11747	6920 7326	3905 4101	328 320	62.05 % 62.36 %	35.01 % 34.91 %	2.94 % 2.72 %
Zoho Mail	11473 11877	7587 7861	3556 3703	330 313	66.13 % 66.19 %	30.99 % 31.18 %	2.88 % 2.64 %
ProtonMail	11572 11329	7384 7272	3849 3763	339 294	63.81 % 64.19 %	33.26 % 33.22 %	2.93 % 2.60 %
Custom Mail	11668 11531	7951 7880	3381 3355	336 296	68.14 % 68.34 %	28.98 % 29.10 %	2.88 % 2.57 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.