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 Constant Contact than for SendGrid.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
63.973 63.763	50.112 48.627	12.784 14.148	1.666 1.517

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. Constant Contact beats SendGrid in this comparison.

Inbox (%)	Spam (%)	Lost (%)
78.33 % 76.26 %	19.98 % 22.19 %	2.60 % 2.38 %

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, Constant Contact is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4680 5052	3647 3843	974 1128	124 123	77.93 % 76.07 %	20.81 % 22.33 %	2.65 % 2.43 %
Elektronics	4774 4831	3773 3712	914 1058	123 118	79.03 % 76.84 %	19.15 % 21.90 %	2.58 % 2.44 %
Entertainment	5102 4928	3988 3748	1000 1120	132 118	78.17 % 76.06 %	19.60 % 22.73 %	2.59 % 2.39 %
Cosmetics & Beauty	4883 5169	3826 3952	990 1129	129 122	78.35 % 76.46 %	20.27 % 21.84 %	2.64 % 2.36 %
Food & Drink	4863 4895	3797 3714	1008 1094	118 120	78.08 % 75.87 %	20.73 % 22.35 %	2.43 % 2.45 %
Home & Garden	4976 4846	3888 3669	1016 1102	127 114	78.14 % 75.71 %	20.42 % 22.74 %	2.55 % 2.35 %
Finance	4956 5029	4015 3930	842 1020	140 124	81.01 % 78.15 %	16.99 % 20.28 %	2.82 % 2.47 %
Health	4983 4894	4004 3867	896 954	132 102	80.35 % 79.02 %	17.98 % 19.49 %	2.65 % 2.08 %
Pets	4968 5017	3895 3813	981 1116	132 124	78.40 % 76.00 %	19.75 % 22.24 %	2.66 % 2.47 %
Sport & Fitness	4949 4830	3848 3686	1006 1089	133 122	77.75 % 76.31 %	20.33 % 22.55 %	2.69 % 2.53 %
Job & Career	5031 4652	3865 3450	1084 1120	130 111	76.82 % 74.16 %	21.55 % 24.08 %	2.58 % 2.39 %
Dating	4880 4736	3655 3479	1140 1175	122 111	74.90 % 73.46 %	23.36 % 24.81 %	2.50 % 2.34 %
Other	4928 4884	3911 3764	933 1043	124 108	79.36 % 77.07 %	18.93 % 21.36 %	2.52 % 2.21 %

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, Constant Contact is better than SendGrid.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4709 4707	3594 3472	1032 1154	117 120	76.32 % 73.76 %	21.92 % 24.52 %	2.48 % 2.55 %
Outlook Mail	4505 4784	3463 3620	966 1099	120 109	76.87 % 75.67 %	21.44 % 22.97 %	2.66 % 2.28 %
Yahoo Mail	4762 4589	3699 3508	1007 1011	124 113	77.68 % 76.44 %	21.15 % 22.03 %	2.60 % 2.46 %
AOL Mail	4603 4500	3576 3398	946 1033	121 108	77.69 % 75.51 %	20.55 % 22.96 %	2.63 % 2.40 %
Mail.com	4887 4714	3873 3636	937 1004	128 109	79.25 % 77.13 %	19.17 % 21.30 %	2.62 % 2.31 %
Yandex Mail	4565 4643	3565 3521	953 1066	126 107	78.09 % 75.83 %	20.88 % 22.96 %	2.76 % 2.30 %
GMX Mail	4561 4574	3484 3450	986 1073	115 101	76.39 % 75.43 %	21.62 % 23.46 %	2.52 % 2.21 %
Zoho Mail	4795 4886	3814 3725	899 1097	127 110	79.54 % 76.24 %	18.75 % 22.45 %	2.65 % 2.25 %
ProtonMail	4616 4464	3720 3454	833 938	116 109	80.59 % 77.37 %	18.05 % 21.01 %	2.51 % 2.44 %
Custom Mail	4732 4727	3784 3657	865 984	126 116	79.97 % 77.36 %	18.28 % 20.82 %	2.66 % 2.45 %
iCloud Mail	4639 4605	3554 3400	1020 1120	125 114	76.61 % 73.83 %	21.99 % 24.32 %	2.69 % 2.48 %
Tuta	4582 4628	3641 3589	861 983	117 114	79.46 % 77.55 %	18.79 % 21.24 %	2.55 % 2.46 %
Juno.com	4724 4703	3767 3654	848 967	120 110	79.74 % 77.70 %	17.95 % 20.56 %	2.54 % 2.34 %
Mailfence	3293 3239	2578 2543	631 619	84 77	78.29 % 78.51 %	19.16 % 19.11 %	2.55 % 2.38 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.