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
65.457 65.185	49.992 50.153	13.772 13.533	1.693 1.499

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 (%)
76.37 % 76.94 %	21.04 % 20.76 %	2.59 % 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	4789 5061	3623 3889	1037 1054	129 118	75.65 % 76.84 %	21.65 % 20.83 %	2.69 % 2.33 %
Elektronics	4926 5043	3784 3919	1023 1007	119 117	76.82 % 77.71 %	20.77 % 19.97 %	2.42 % 2.32 %
Entertainment	5074 5009	3868 3816	1073 1073	133 120	76.23 % 76.18 %	21.15 % 21.42 %	2.62 % 2.40 %
Cosmetics & Beauty	5140 5165	3913 3989	1097 1056	130 120	76.13 % 77.23 %	21.34 % 20.45 %	2.53 % 2.32 %
Food & Drink	5050 5126	3825 3916	1104 1094	121 116	75.74 % 76.39 %	21.86 % 21.34 %	2.40 % 2.26 %
Home & Garden	4925 4941	3745 3776	1054 1057	126 108	76.04 % 76.42 %	21.40 % 21.39 %	2.56 % 2.19 %
Finance	5060 4994	4068 4012	852 860	140 122	80.40 % 80.34 %	16.84 % 17.22 %	2.77 % 2.44 %
Health	4980 5103	3959 4121	890 869	131 113	79.50 % 80.76 %	17.87 % 17.03 %	2.63 % 2.21 %
Pets	5077 5124	3892 3911	1051 1090	134 123	76.66 % 76.33 %	20.70 % 21.27 %	2.64 % 2.40 %
Sport & Fitness	5187 4949	3937 3797	1106 1030	144 122	75.90 % 76.72 %	21.32 % 20.81 %	2.78 % 2.47 %
Job & Career	5011 4643	3700 3435	1189 1105	122 103	73.84 % 73.98 %	23.73 % 23.80 %	2.43 % 2.22 %
Dating	5086 5001	3651 3629	1303 1261	132 111	71.79 % 72.57 %	25.62 % 25.21 %	2.60 % 2.22 %
Other	5152 5026	4027 3943	993 977	132 106	78.16 % 78.45 %	19.27 % 19.44 %	2.56 % 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	4727 4467	3484 3273	1128 1084	115 110	73.70 % 73.27 %	23.86 % 24.27 %	2.43 % 2.46 %
Outlook Mail	4400 4749	3264 3602	1018 1046	118 101	74.18 % 75.85 %	23.14 % 22.03 %	2.68 % 2.13 %
Yahoo Mail	4699 4588	3522 3513	1049 970	128 105	74.95 % 76.57 %	22.32 % 21.14 %	2.72 % 2.29 %
AOL Mail	4621 4540	3484 3433	1013 999	124 108	75.39 % 75.62 %	21.92 % 22.00 %	2.68 % 2.38 %
Mail.com	4980 4832	3850 3771	1004 952	126 109	77.31 % 78.04 %	20.16 % 19.70 %	2.53 % 2.26 %
Yandex Mail	4626 4701	3497 3574	1015 1021	114 106	75.59 % 76.03 %	21.94 % 21.72 %	2.46 % 2.25 %
GMX Mail	4608 4503	3420 3390	1072 1019	116 94	74.22 % 75.28 %	23.26 % 22.63 %	2.52 % 2.09 %
Zoho Mail	4815 4711	3732 3628	958 977	125 106	77.51 % 77.01 %	19.90 % 20.74 %	2.60 % 2.25 %
ProtonMail	4573 4501	3605 3552	850 840	118 109	78.83 % 78.92 %	18.59 % 18.66 %	2.58 % 2.42 %
Custom Mail	4742 4741	3741 3784	883 846	118 111	78.89 % 79.81 %	18.62 % 17.84 %	2.49 % 2.34 %
iCloud Mail	4615 4564	3379 3364	1109 1091	127 109	73.22 % 73.71 %	24.03 % 23.90 %	2.75 % 2.39 %
Tuta	4704 4795	3681 3785	896 899	127 111	78.25 % 78.94 %	19.05 % 18.75 %	2.70 % 2.31 %
Juno.com	4580 4717	3593 3724	873 885	114 108	78.45 % 78.95 %	19.06 % 18.76 %	2.49 % 2.29 %
Mailfence	4767 4776	3740 3760	904 904	123 112	78.46 % 78.73 %	18.96 % 18.93 %	2.58 % 2.35 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.