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
77.376 75.883	58.851 58.419	16.516 15.646	2.009 1.818

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 (%)
76.06 % 76.99 %	21.35 % 20.62 %	2.60 % 2.40 %

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	5909 5963	4440 4546	1299 1277	170 140	75.14 % 76.24 %	21.98 % 21.42 %	2.88 % 2.35 %
Elektronics	5925 6002	4507 4662	1276 1193	142 147	76.07 % 77.67 %	21.54 % 19.88 %	2.40 % 2.45 %
Entertainment	5885 5767	4452 4427	1281 1196	152 144	75.65 % 76.76 %	21.77 % 20.74 %	2.58 % 2.50 %
Cosmetics & Beauty	6227 5849	4782 4533	1289 1172	156 144	76.79 % 77.50 %	20.70 % 20.04 %	2.51 % 2.46 %
Food & Drink	5860 5864	4417 4503	1298 1220	145 141	75.38 % 76.79 %	22.15 % 20.80 %	2.47 % 2.40 %
Home & Garden	5802 5642	4390 4306	1255 1204	157 132	75.66 % 76.32 %	21.63 % 21.34 %	2.71 % 2.34 %
Finance	6052 5836	4809 4668	1080 1022	163 146	79.46 % 79.99 %	17.85 % 17.51 %	2.69 % 2.50 %
Health	5852 5787	4597 4662	1112 989	143 136	78.55 % 80.56 %	19.00 % 17.09 %	2.44 % 2.35 %
Pets	5969 5847	4523 4494	1290 1217	156 136	75.77 % 76.86 %	21.61 % 20.81 %	2.61 % 2.33 %
Sport & Fitness	6013 5781	4597 4456	1262 1182	154 143	76.45 % 77.08 %	20.99 % 20.45 %	2.56 % 2.47 %
Job & Career	5970 5626	4390 4169	1438 1327	142 130	73.53 % 74.10 %	24.09 % 23.59 %	2.38 % 2.31 %
Dating	5874 5974	4241 4319	1471 1523	162 132	72.20 % 72.30 %	25.04 % 25.49 %	2.76 % 2.21 %
Other	6038 5945	4706 4674	1165 1124	167 147	77.94 % 78.62 %	19.29 % 18.91 %	2.77 % 2.47 %

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	5498 5221	4015 3834	1347 1276	136 111	73.03 % 73.43 %	24.50 % 24.44 %	2.47 % 2.13 %
Outlook Mail	5450 5479	4036 4125	1268 1225	146 129	74.06 % 75.29 %	23.27 % 22.36 %	2.68 % 2.35 %
Yahoo Mail	5564 5230	4177 3999	1237 1107	150 124	75.07 % 76.46 %	22.23 % 21.17 %	2.70 % 2.37 %
AOL Mail	5387 5433	4058 4108	1189 1189	140 136	75.33 % 75.61 %	22.07 % 21.88 %	2.60 % 2.50 %
Mail.com	5602 5580	4317 4346	1144 1107	141 127	77.06 % 77.89 %	20.42 % 19.84 %	2.52 % 2.28 %
Yandex Mail	5579 5471	4177 4172	1266 1176	136 123	74.87 % 76.26 %	22.69 % 21.50 %	2.44 % 2.25 %
GMX Mail	5520 5383	4113 4056	1260 1196	147 131	74.51 % 75.35 %	22.83 % 22.22 %	2.66 % 2.43 %
Zoho Mail	5492 5433	4223 4211	1119 1092	150 130	76.89 % 77.51 %	20.38 % 20.10 %	2.73 % 2.39 %
ProtonMail	5503 5334	4269 4222	1086 984	148 128	77.58 % 79.15 %	19.73 % 18.45 %	2.69 % 2.40 %
Custom Mail	5501 5464	4341 4394	1021 933	139 137	78.91 % 80.42 %	18.56 % 17.08 %	2.53 % 2.51 %
iCloud Mail	5570 5390	4087 3977	1338 1283	145 130	73.38 % 73.78 %	24.02 % 23.80 %	2.60 % 2.41 %
Tuta	5715 5469	4450 4328	1120 1006	145 135	77.87 % 79.14 %	19.60 % 18.39 %	2.54 % 2.47 %
Juno.com	5583 5495	4370 4329	1068 1025	145 141	78.27 % 78.78 %	19.13 % 18.65 %	2.60 % 2.57 %
Mailfence	5412 5501	4218 4318	1053 1047	141 136	77.94 % 78.49 %	19.46 % 19.03 %	2.61 % 2.47 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.