Constant Contact and SendGrid Email Deliverability Comparison

Constant Contact

SendGrid

In this comparison, the deliverability of Constant Contact and SendGrid 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 SendGrid than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
65.852 64.970	49.870 49.945	14.151 13.532	1.831 1.493

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. SendGrid beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
75.73 % 76.87 %	21.49 % 20.83 %	2.78 % 2.30 %

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, SendGrid is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4975 5069	3735 3921	1093 1037	147 111	75.08 % 77.35 %	21.97 % 20.46 %	2.95 % 2.19 %
Elektronics	5013 4956	3808 3829	1072 1009	133 118	75.96 % 77.26 %	21.38 % 20.36 %	2.65 % 2.38 %
Entertainment	5191 4997	3918 3813	1130 1061	143 123	75.48 % 76.31 %	21.77 % 21.23 %	2.75 % 2.46 %
Cosmetics & Beauty	5249 5082	3970 3911	1140 1052	139 119	75.63 % 76.96 %	21.72 % 20.70 %	2.65 % 2.34 %
Food & Drink	5000 5121	3762 3910	1109 1093	129 118	75.24 % 76.35 %	22.18 % 21.34 %	2.58 % 2.30 %
Home & Garden	4940 4885	3732 3714	1070 1063	138 108	75.55 % 76.03 %	21.66 % 21.76 %	2.79 % 2.21 %
Finance	5044 4986	4011 4004	884 859	149 123	79.52 % 80.30 %	17.53 % 17.23 %	2.95 % 2.47 %
Health	4973 5064	3925 4078	909 873	139 113	78.93 % 80.53 %	18.28 % 17.24 %	2.80 % 2.23 %
Pets	5123 5145	3874 3945	1104 1080	145 120	75.62 % 76.68 %	21.55 % 20.99 %	2.83 % 2.33 %
Sport & Fitness	5167 4935	3923 3787	1099 1027	145 121	75.92 % 76.74 %	21.27 % 20.81 %	2.81 % 2.45 %
Job & Career	5053 4611	3688 3408	1236 1101	129 102	72.99 % 73.91 %	24.46 % 23.88 %	2.55 % 2.21 %
Dating	4989 5050	3562 3651	1285 1289	142 110	71.40 % 72.30 %	25.76 % 25.52 %	2.85 % 2.18 %
Other	5135 5069	3962 3974	1020 988	153 107	77.16 % 78.40 %	19.86 % 19.49 %	2.98 % 2.11 %

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, SendGrid is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4661 4569	3403 3357	1140 1109	118 103	73.01 % 73.47 %	24.46 % 24.27 %	2.53 % 2.25 %
Outlook Mail	4542 4754	3334 3604	1076 1051	132 99	73.40 % 75.81 %	23.69 % 22.11 %	2.91 % 2.08 %
Yahoo Mail	4750 4473	3536 3414	1078 953	136 106	74.44 % 76.32 %	22.69 % 21.31 %	2.86 % 2.37 %
AOL Mail	4611 4547	3443 3435	1035 1005	133 107	74.67 % 75.54 %	22.45 % 22.10 %	2.88 % 2.35 %
Mail.com	4915 4722	3772 3686	1008 929	135 107	76.74 % 78.06 %	20.51 % 19.67 %	2.75 % 2.27 %
Yandex Mail	4699 4631	3509 3519	1063 1008	127 104	74.68 % 75.99 %	22.62 % 21.77 %	2.70 % 2.25 %
GMX Mail	4698 4530	3479 3396	1089 1042	130 92	74.05 % 74.97 %	23.18 % 23.00 %	2.77 % 2.03 %
Zoho Mail	4864 4641	3739 3576	987 957	138 108	76.87 % 77.05 %	20.29 % 20.62 %	2.84 % 2.33 %
ProtonMail	4644 4655	3616 3674	900 871	128 110	77.86 % 78.93 %	19.38 % 18.71 %	2.76 % 2.36 %
Custom Mail	4787 4671	3739 3740	918 821	130 110	78.11 % 80.07 %	19.18 % 17.58 %	2.72 % 2.35 %
iCloud Mail	4580 4667	3334 3451	1110 1106	136 110	72.79 % 73.94 %	24.24 % 23.70 %	2.97 % 2.36 %
Tuta	4732 4712	3672 3707	923 891	137 114	77.60 % 78.67 %	19.51 % 18.91 %	2.90 % 2.42 %
Juno.com	4659 4667	3633 3677	902 879	124 111	77.98 % 78.79 %	19.36 % 18.83 %	2.66 % 2.38 %
Mailfence	4710 4731	3661 3709	922 910	127 112	77.73 % 78.40 %	19.58 % 19.23 %	2.70 % 2.37 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.