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
77.377 76.020	59.263 57.862	16.280 16.204	1.834 1.954

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 (%)
76.59 % 76.11 %	21.04 % 21.32 %	2.37 % 2.57 %

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	6015 5890	4543 4437	1315 1303	157 150	75.53 % 75.33 %	21.86 % 22.12 %	2.61 % 2.55 %
Elektronics	5993 6048	4631 4622	1231 1268	131 158	77.27 % 76.42 %	20.54 % 20.97 %	2.19 % 2.61 %
Entertainment	5899 5622	4481 4257	1279 1227	139 138	75.96 % 75.72 %	21.68 % 21.82 %	2.36 % 2.45 %
Cosmetics & Beauty	6021 5858	4690 4497	1197 1202	134 159	77.89 % 76.77 %	19.88 % 20.52 %	2.23 % 2.71 %
Food & Drink	5782 5897	4401 4470	1246 1282	135 145	76.12 % 75.80 %	21.55 % 21.74 %	2.33 % 2.46 %
Home & Garden	5876 5664	4474 4264	1257 1249	145 151	76.14 % 75.28 %	21.39 % 22.05 %	2.47 % 2.67 %
Finance	6015 5843	4788 4644	1078 1041	149 158	79.60 % 79.48 %	17.92 % 17.82 %	2.48 % 2.70 %
Health	5920 5767	4696 4577	1090 1043	134 147	79.32 % 79.37 %	18.41 % 18.09 %	2.26 % 2.55 %
Pets	5977 5816	4543 4417	1286 1258	148 141	76.01 % 75.95 %	21.52 % 21.63 %	2.48 % 2.42 %
Sport & Fitness	5999 5815	4594 4441	1265 1221	140 153	76.58 % 76.37 %	21.09 % 21.00 %	2.33 % 2.63 %
Job & Career	6103 5804	4526 4254	1440 1399	137 151	74.16 % 73.29 %	23.59 % 24.10 %	2.24 % 2.60 %
Dating	5847 5947	4248 4274	1457 1532	142 141	72.65 % 71.87 %	24.92 % 25.76 %	2.43 % 2.37 %
Other	5930 6049	4648 4708	1139 1179	143 162	78.38 % 77.83 %	19.21 % 19.49 %	2.41 % 2.68 %

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	5633 5282	4144 3834	1357 1320	132 128	73.57 % 72.59 %	24.09 % 24.99 %	2.34 % 2.42 %
Outlook Mail	5493 5454	4102 4062	1261 1254	130 138	74.68 % 74.48 %	22.96 % 22.99 %	2.37 % 2.53 %
Yahoo Mail	5663 5391	4284 4040	1244 1215	135 136	75.65 % 74.94 %	21.97 % 22.54 %	2.38 % 2.52 %
AOL Mail	5531 5521	4203 4151	1194 1226	134 144	75.99 % 75.19 %	21.59 % 22.21 %	2.42 % 2.61 %
Mail.com	5532 5367	4291 4152	1112 1084	129 131	77.57 % 77.36 %	20.10 % 20.20 %	2.33 % 2.44 %
Yandex Mail	5570 5350	4223 4037	1221 1180	126 133	75.82 % 75.46 %	21.92 % 22.06 %	2.26 % 2.49 %
GMX Mail	5556 5582	4157 4153	1266 1275	133 154	74.82 % 74.40 %	22.79 % 22.84 %	2.39 % 2.76 %
Zoho Mail	5370 5323	4153 4111	1083 1079	134 133	77.34 % 77.23 %	20.17 % 20.27 %	2.50 % 2.50 %
ProtonMail	5485 5454	4281 4278	1066 1039	138 137	78.05 % 78.44 %	19.43 % 19.05 %	2.52 % 2.51 %
Custom Mail	5348 5505	4248 4348	976 1016	124 141	79.43 % 78.98 %	18.25 % 18.46 %	2.32 % 2.56 %
iCloud Mail	5411 5399	3976 3902	1307 1359	128 138	73.48 % 72.27 %	24.15 % 25.17 %	2.37 % 2.56 %
Tuta	5676 5338	4454 4173	1096 1019	126 146	78.47 % 78.18 %	19.31 % 19.09 %	2.22 % 2.74 %
Juno.com	5700 5551	4490 4322	1073 1075	137 154	78.77 % 77.86 %	18.82 % 19.37 %	2.40 % 2.77 %
Mailfence	5409 5503	4257 4299	1024 1063	128 141	78.70 % 78.12 %	18.93 % 19.32 %	2.37 % 2.56 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.