Constant Contact and SendGrid Email Deliverability Comparison

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
402.367 8.948	301.987 7.254	84.582 1.355	15.798 339

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 (%)
75.05 % 81.07 %	21.02 % 15.14 %	3.93 % 3.79 %

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	30976 729	24160 605	5678 100	1138 24	78.00 % 82.99 %	18.33 % 13.72 %	3.67 % 3.29 %
Elektronics	30708 713	23290 583	6280 102	1138 28	75.84 % 81.77 %	20.45 % 14.31 %	3.71 % 3.93 %
Entertainment	30913 684	23150 553	6503 107	1260 24	74.89 % 80.85 %	21.04 % 15.64 %	4.08 % 3.51 %
Cosmetics & Beauty	30980 667	23228 542	6542 106	1210 19	74.98 % 81.26 %	21.12 % 15.89 %	3.91 % 2.85 %
Food & Drink	30988 714	24258 590	5647 95	1083 29	78.28 % 82.63 %	18.22 % 13.31 %	3.49 % 4.06 %
Home & Garden	30946 682	24077 568	5710 91	1159 23	77.80 % 83.28 %	18.45 % 13.34 %	3.75 % 3.37 %
Finance	31323 697	22433 542	7585 118	1305 37	71.62 % 77.76 %	24.22 % 16.93 %	4.17 % 5.31 %
Health	30494 665	22117 525	7128 106	1249 34	72.53 % 78.95 %	23.38 % 15.94 %	4.10 % 5.11 %
Pets	31453 664	24236 552	6044 92	1173 20	77.05 % 83.13 %	19.22 % 13.86 %	3.73 % 3.01 %
Sport & Fitness	31287 673	23098 533	6922 111	1267 29	73.83 % 79.20 %	22.12 % 16.49 %	4.05 % 4.31 %
Job & Career	30585 661	22476 528	6813 112	1296 21	73.49 % 79.88 %	22.28 % 16.94 %	4.24 % 3.18 %
Dating	31242 676	21915 527	7953 116	1374 33	70.15 % 77.96 %	25.46 % 17.16 %	4.40 % 4.88 %
Other	30472 723	23549 606	5777 99	1146 18	77.28 % 83.82 %	18.96 % 13.69 %	3.76 % 2.49 %

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	40118 693	28861 519	9595 139	1662 35	71.94 % 74.89 %	23.92 % 20.06 %	4.14 % 5.05 %
Outlook Mail	39859 665	28875 522	9246 111	1738 32	72.44 % 78.50 %	23.20 % 16.69 %	4.36 % 4.81 %
Yahoo Mail	39996 675	29886 536	8505 106	1605 33	74.72 % 79.41 %	21.26 % 15.70 %	4.01 % 4.89 %
AOL Mail	39056 720	29184 574	8220 113	1652 33	74.72 % 79.72 %	21.05 % 15.69 %	4.23 % 4.58 %
Mail.com	40259 654	30571 543	8129 90	1559 21	75.94 % 83.03 %	20.19 % 13.76 %	3.87 % 3.21 %
Yandex Mail	40334 716	29556 558	9093 118	1685 40	73.28 % 77.93 %	22.54 % 16.48 %	4.18 % 5.59 %
GMX Mail	39713 699	30042 582	8191 94	1480 23	75.65 % 83.26 %	20.63 % 13.45 %	3.73 % 3.29 %
Zoho Mail	40186 710	30900 587	7856 97	1430 26	76.89 % 82.68 %	19.55 % 13.66 %	3.56 % 3.66 %
ProtonMail	40393 666	30993 560	7951 88	1449 18	76.73 % 84.08 %	19.68 % 13.21 %	3.59 % 2.70 %
Custom Mail	40422 637	31547 547	7450 81	1425 9	78.04 % 85.87 %	18.43 % 12.72 %	3.53 % 1.41 %
iCloud Mail	655 719	478 555	136 134	41 30	72.98 % 77.19 %	20.76 % 18.64 %	6.26 % 4.17 %
Tuta	683 692	537 579	107 92	39 21	78.62 % 83.67 %	15.67 % 13.29 %	5.71 % 3.03 %
Juno.com	693 702	557 592	103 92	33 18	80.38 % 84.33 %	14.86 % 13.11 %	4.76 % 2.56 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.