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Constant Contact and SendInBlue Email Deliverability Comparison

  Constant Contact
  SendInBlue

In this comparison, the deliverability of Constant Contact and SendInBlue 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 SendInBlue than for Constant Contact.

Emails Sent Emails Inbox Emails Spam Emails Lost
  284.103
  284.660
  207.990
  208.766
  65.358
  65.694
  10.755
  10.200

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. SendInBlue beats Constant Contact in this comparison.

Inbox (%) Spam (%) Lost (%)
  73.21 %
  73.34 %
  23.01 %
  23.08 %
  3.79 %
  3.58 %

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, SendInBlue is the clear winner.

Category Emails Sent Emails Inbox Emails Spam Emails Lost Inbox (%) Spam (%) Lost (%)
Clothing
  21905
  21937
  16717
  16844
  4388
  4368
  800
  725
  76.32 %
  76.78 %
  20.03 %
  19.91 %
  3.65 %
  3.30 %
Elektronics
  21779
  21878
  16112
  16165
  4901
  4957
  766
  756
  73.98 %
  73.89 %
  22.50 %
  22.66 %
  3.52 %
  3.46 %
Entertainment
  21847
  22002
  15974
  16025
  5030
  5186
  843
  791
  73.12 %
  72.83 %
  23.02 %
  23.57 %
  3.86 %
  3.60 %
Cosmetics & Beauty
  21971
  21887
  16075
  15959
  5069
  5087
  827
  841
  73.16 %
  72.92 %
  23.07 %
  23.24 %
  3.76 %
  3.84 %
Food & Drink
  21834
  22459
  16764
  17139
  4339
  4598
  731
  722
  76.78 %
  76.31 %
  19.87 %
  20.47 %
  3.35 %
  3.21 %
Home & Garden
  21885
  22188
  16684
  17003
  4409
  4482
  792
  703
  76.23 %
  76.63 %
  20.15 %
  20.20 %
  3.62 %
  3.17 %
Finance
  22159
  21879
  15375
  15276
  5904
  5724
  880
  879
  69.38 %
  69.82 %
  26.64 %
  26.16 %
  3.97 %
  4.02 %
Health
  21421
  21797
  15024
  15292
  5549
  5668
  848
  837
  70.14 %
  70.16 %
  25.90 %
  26.00 %
  3.96 %
  3.84 %
Pets
  22305
  22044
  16864
  16716
  4652
  4594
  789
  734
  75.61 %
  75.83 %
  20.86 %
  20.84 %
  3.54 %
  3.33 %
Sport & Fitness
  22305
  21454
  16099
  15617
  5350
  5036
  856
  801
  72.18 %
  72.79 %
  23.99 %
  23.47 %
  3.84 %
  3.73 %
Job & Career
  21471
  21689
  15425
  15556
  5152
  5303
  894
  830
  71.84 %
  71.72 %
  24.00 %
  24.45 %
  4.16 %
  3.83 %
Dating
  21809
  21637
  14647
  14643
  6226
  6164
  936
  830
  67.16 %
  67.68 %
  28.55 %
  28.49 %
  4.29 %
  3.84 %
Other
  21412
  21809
  16230
  16531
  4389
  4527
  793
  751
  75.80 %
  75.80 %
  20.50 %
  20.76 %
  3.70 %
  3.44 %

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, SendInBlue is better than Constant Contact.

Provider Emails Sent Emails Inbox Emails Spam Emails Lost Inbox (%) Spam (%) Lost (%)
Gmail
  28422
  29206
  19816
  20288
  7476
  7807
  1130
  1111
  69.72 %
  69.47 %
  26.30 %
  26.73 %
  3.98 %
  3.80 %
Outlook Mail
  28245
  27782
  19915
  19728
  7164
  6989
  1166
  1065
  70.51 %
  71.01 %
  25.36 %
  25.16 %
  4.13 %
  3.83 %
Yahoo Mail
  28196
  28020
  20595
  20602
  6506
  6396
  1095
  1022
  73.04 %
  73.53 %
  23.07 %
  22.83 %
  3.88 %
  3.65 %
AOL Mail
  27441
  29012
  20097
  21142
  6243
  6767
  1101
  1103
  73.24 %
  72.87 %
  22.75 %
  23.32 %
  4.01 %
  3.80 %
Mail.com
  28523
  28486
  21212
  21231
  6255
  6279
  1056
  976
  74.37 %
  74.53 %
  21.93 %
  22.04 %
  3.70 %
  3.43 %
Yandex Mail
  28657
  28248
  20509
  20270
  6998
  6907
  1150
  1071
  71.57 %
  71.76 %
  24.42 %
  24.45 %
  4.01 %
  3.79 %
GMX Mail
  28229
  28350
  20673
  20931
  6475
  6481
  1081
  938
  73.23 %
  73.83 %
  22.94 %
  22.86 %
  3.83 %
  3.31 %
Zoho Mail
  28649
  28255
  21542
  21270
  6131
  6025
  976
  960
  75.19 %
  75.28 %
  21.40 %
  21.32 %
  3.41 %
  3.40 %
ProtonMail
  28802
  28629
  21497
  21391
  6287
  6258
  1018
  980
  74.64 %
  74.72 %
  21.83 %
  21.86 %
  3.53 %
  3.42 %
Custom Mail
  28939
  28672
  22134
  21913
  5823
  5785
  982
  974
  76.49 %
  76.43 %
  20.12 %
  20.18 %
  3.39 %
  3.40 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.