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
66.282 65.240	50.632 50.398	13.969 13.343	1.681 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 (%)
76.39 % 77.25 %	21.08 % 20.45 %	2.54 % 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	5057 5144	3831 3942	1082 1089	144 113	75.76 % 76.63 %	21.40 % 21.17 %	2.85 % 2.20 %
Elektronics	5044 5097	3852 3976	1074 1002	118 119	76.37 % 78.01 %	21.29 % 19.66 %	2.34 % 2.33 %
Entertainment	5084 4972	3854 3825	1103 1026	127 121	75.81 % 76.93 %	21.70 % 20.64 %	2.50 % 2.43 %
Cosmetics & Beauty	5338 5020	4100 3906	1107 996	131 118	76.81 % 77.81 %	20.74 % 19.84 %	2.45 % 2.35 %
Food & Drink	5065 5074	3816 3899	1127 1053	122 122	75.34 % 76.84 %	22.25 % 20.75 %	2.41 % 2.40 %
Home & Garden	4893 4840	3720 3707	1040 1032	133 101	76.03 % 76.59 %	21.25 % 21.32 %	2.72 % 2.09 %
Finance	5137 5019	4115 4029	891 866	131 124	80.11 % 80.27 %	17.34 % 17.25 %	2.55 % 2.47 %
Health	4951 4997	3918 4040	915 845	118 112	79.14 % 80.85 %	18.48 % 16.91 %	2.38 % 2.24 %
Pets	5072 5068	3863 3904	1079 1049	130 115	76.16 % 77.03 %	21.27 % 20.70 %	2.56 % 2.27 %
Sport & Fitness	5207 5024	4012 3885	1066 1018	129 121	77.05 % 77.33 %	20.47 % 20.26 %	2.48 % 2.41 %
Job & Career	5172 4771	3821 3565	1232 1105	119 101	73.88 % 74.72 %	23.82 % 23.16 %	2.30 % 2.12 %
Dating	5040 5104	3645 3694	1258 1299	137 111	72.32 % 72.37 %	24.96 % 25.45 %	2.72 % 2.17 %
Other	5222 5110	4085 4026	995 963	142 121	78.23 % 78.79 %	19.05 % 18.85 %	2.72 % 2.37 %

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	4720 4516	3466 3314	1142 1112	112 90	73.43 % 73.38 %	24.19 % 24.62 %	2.37 % 1.99 %
Outlook Mail	4670 4739	3471 3592	1081 1043	118 104	74.33 % 75.80 %	23.15 % 22.01 %	2.53 % 2.19 %
Yahoo Mail	4766 4427	3591 3389	1049 940	126 98	75.35 % 76.55 %	22.01 % 21.23 %	2.64 % 2.21 %
AOL Mail	4630 4710	3488 3568	1026 1026	116 116	75.33 % 75.75 %	22.16 % 21.78 %	2.51 % 2.46 %
Mail.com	4843 4794	3741 3752	983 936	119 106	77.25 % 78.26 %	20.30 % 19.52 %	2.46 % 2.21 %
Yandex Mail	4819 4688	3636 3594	1069 992	114 102	75.45 % 76.66 %	22.18 % 21.16 %	2.37 % 2.18 %
GMX Mail	4755 4597	3565 3470	1065 1022	125 105	74.97 % 75.48 %	22.40 % 22.23 %	2.63 % 2.28 %
Zoho Mail	4707 4658	3631 3631	949 921	127 106	77.14 % 77.95 %	20.16 % 19.77 %	2.70 % 2.28 %
ProtonMail	4638 4591	3624 3647	892 838	122 106	78.14 % 79.44 %	19.23 % 18.25 %	2.63 % 2.31 %
Custom Mail	4727 4670	3749 3774	860 786	118 110	79.31 % 80.81 %	18.19 % 16.83 %	2.50 % 2.36 %
iCloud Mail	4743 4601	3490 3413	1130 1077	123 111	73.58 % 74.18 %	23.82 % 23.41 %	2.59 % 2.41 %
Tuta	4845 4704	3787 3733	938 858	120 113	78.16 % 79.36 %	19.36 % 18.24 %	2.48 % 2.40 %
Juno.com	4791 4751	3767 3746	901 888	123 117	78.63 % 78.85 %	18.81 % 18.69 %	2.57 % 2.46 %
Mailfence	4628 4794	3626 3775	884 904	118 115	78.35 % 78.74 %	19.10 % 18.86 %	2.55 % 2.40 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.