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
66.103 64.932	50.487 50.153	13.951 13.282	1.665 1.497

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 (%)
76.38 % 77.24 %	21.10 % 20.46 %	2.52 % 2.31 %

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	4977 5103	3771 3943	1072 1047	134 113	75.77 % 77.27 %	21.54 % 20.52 %	2.69 % 2.21 %
Elektronics	5009 4961	3852 3866	1040 977	117 118	76.90 % 77.93 %	20.76 % 19.69 %	2.34 % 2.38 %
Entertainment	5116 5086	3886 3899	1101 1062	129 125	75.96 % 76.66 %	21.52 % 20.88 %	2.52 % 2.46 %
Cosmetics & Beauty	5279 5102	4045 3963	1107 1018	127 121	76.62 % 77.68 %	20.97 % 19.95 %	2.41 % 2.37 %
Food & Drink	5001 5136	3781 3928	1105 1081	115 127	75.60 % 76.48 %	22.10 % 21.05 %	2.30 % 2.47 %
Home & Garden	4977 4813	3791 3675	1055 1031	131 107	76.17 % 76.36 %	21.20 % 21.42 %	2.63 % 2.22 %
Finance	5118 5025	4100 4057	886 845	132 123	80.11 % 80.74 %	17.31 % 16.82 %	2.58 % 2.45 %
Health	4975 4953	3935 3995	919 846	121 112	79.10 % 80.66 %	18.47 % 17.08 %	2.43 % 2.26 %
Pets	5134 4990	3913 3847	1088 1031	133 112	76.22 % 77.09 %	21.19 % 20.66 %	2.59 % 2.24 %
Sport & Fitness	5185 4946	3982 3810	1073 1018	130 118	76.80 % 77.03 %	20.69 % 20.58 %	2.51 % 2.39 %
Job & Career	5080 4725	3747 3533	1217 1091	116 101	73.76 % 74.77 %	23.96 % 23.09 %	2.28 % 2.14 %
Dating	5024 5071	3611 3680	1280 1282	133 109	71.88 % 72.57 %	25.48 % 25.28 %	2.65 % 2.15 %
Other	5228 5021	4073 3957	1008 953	147 111	77.91 % 78.81 %	19.28 % 18.98 %	2.81 % 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, SendGrid is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4685 4574	3432 3353	1143 1124	110 97	73.26 % 73.31 %	24.40 % 24.57 %	2.35 % 2.12 %
Outlook Mail	4657 4731	3475 3584	1060 1046	122 101	74.62 % 75.76 %	22.76 % 22.11 %	2.62 % 2.13 %
Yahoo Mail	4781 4397	3598 3385	1056 917	127 95	75.26 % 76.98 %	22.09 % 20.86 %	2.66 % 2.16 %
AOL Mail	4607 4653	3480 3547	1009 993	118 113	75.54 % 76.23 %	21.90 % 21.34 %	2.56 % 2.43 %
Mail.com	4835 4754	3743 3721	970 926	122 107	77.41 % 78.27 %	20.06 % 19.48 %	2.52 % 2.25 %
Yandex Mail	4750 4689	3572 3607	1061 980	117 102	75.20 % 76.92 %	22.34 % 20.90 %	2.46 % 2.18 %
GMX Mail	4776 4629	3573 3482	1083 1048	120 99	74.81 % 75.22 %	22.68 % 22.64 %	2.51 % 2.14 %
Zoho Mail	4790 4600	3709 3586	958 907	123 107	77.43 % 77.96 %	20.00 % 19.72 %	2.57 % 2.33 %
ProtonMail	4614 4628	3613 3668	886 854	115 106	78.31 % 79.26 %	19.20 % 18.45 %	2.49 % 2.29 %
Custom Mail	4741 4683	3725 3768	904 799	112 116	78.57 % 80.46 %	19.07 % 17.06 %	2.36 % 2.48 %
iCloud Mail	4652 4593	3421 3406	1108 1080	123 107	73.54 % 74.16 %	23.82 % 23.51 %	2.64 % 2.33 %
Tuta	4813 4570	3776 3628	916 829	121 113	78.45 % 79.39 %	19.03 % 18.14 %	2.51 % 2.47 %
Juno.com	4717 4647	3703 3662	897 869	117 116	78.50 % 78.80 %	19.02 % 18.70 %	2.48 % 2.50 %
Mailfence	4685 4784	3667 3756	900 910	118 118	78.27 % 78.51 %	19.21 % 19.02 %	2.52 % 2.47 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.