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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
  256.875
  257.565
  186.356
  186.910
  60.968
  61.599
  9.551
  9.056

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 (%)
  72.55 %
  72.57 %
  23.73 %
  23.92 %
  3.72 %
  3.52 %

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
  19809
  19803
  15013
  15076
  4091
  4084
  705
  643
  75.79 %
  76.13 %
  20.65 %
  20.62 %
  3.56 %
  3.25 %
Elektronics
  19726
  19754
  14458
  14446
  4590
  4651
  678
  657
  73.29 %
  73.13 %
  23.27 %
  23.54 %
  3.44 %
  3.33 %
Entertainment
  19763
  19892
  14330
  14306
  4686
  4863
  747
  723
  72.51 %
  71.92 %
  23.71 %
  24.45 %
  3.78 %
  3.63 %
Cosmetics & Beauty
  19763
  19795
  14333
  14282
  4715
  4768
  715
  745
  72.52 %
  72.15 %
  23.86 %
  24.09 %
  3.62 %
  3.76 %
Food & Drink
  19661
  20437
  14974
  15453
  4037
  4332
  650
  652
  76.16 %
  75.61 %
  20.53 %
  21.20 %
  3.31 %
  3.19 %
Home & Garden
  19844
  20108
  15011
  15262
  4115
  4210
  718
  636
  75.65 %
  75.90 %
  20.74 %
  20.94 %
  3.62 %
  3.16 %
Finance
  20095
  19714
  13783
  13592
  5530
  5355
  782
  767
  68.59 %
  68.95 %
  27.52 %
  27.16 %
  3.89 %
  3.89 %
Health
  19346
  19710
  13404
  13651
  5187
  5334
  755
  725
  69.29 %
  69.26 %
  26.81 %
  27.06 %
  3.90 %
  3.68 %
Pets
  20175
  19934
  15145
  14997
  4323
  4295
  707
  642
  75.07 %
  75.23 %
  21.43 %
  21.55 %
  3.50 %
  3.22 %
Sport & Fitness
  20196
  19405
  14447
  13983
  4990
  4702
  759
  720
  71.53 %
  72.06 %
  24.71 %
  24.23 %
  3.76 %
  3.71 %
Job & Career
  19347
  19624
  13782
  13946
  4767
  4949
  798
  729
  71.24 %
  71.07 %
  24.64 %
  25.22 %
  4.12 %
  3.71 %
Dating
  19772
  19654
  13095
  13085
  5851
  5823
  826
  746
  66.23 %
  66.58 %
  29.59 %
  29.63 %
  4.18 %
  3.80 %
Other
  19378
  19735
  14581
  14831
  4086
  4233
  711
  671
  75.25 %
  75.15 %
  21.09 %
  21.45 %
  3.67 %
  3.40 %

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
  25627
  26556
  17657
  18216
  6971
  7362
  999
  978
  68.90 %
  68.59 %
  27.20 %
  27.72 %
  3.90 %
  3.68 %
Outlook Mail
  25456
  25122
  17764
  17649
  6671
  6539
  1021
  934
  69.78 %
  70.25 %
  26.21 %
  26.03 %
  4.01 %
  3.72 %
Yahoo Mail
  25489
  25338
  18456
  18459
  6053
  5968
  980
  911
  72.41 %
  72.85 %
  23.75 %
  23.55 %
  3.84 %
  3.60 %
AOL Mail
  24723
  26185
  17976
  18885
  5787
  6319
  960
  981
  72.71 %
  72.12 %
  23.41 %
  24.13 %
  3.88 %
  3.75 %
Mail.com
  25808
  25855
  19041
  19092
  5818
  5887
  949
  876
  73.78 %
  73.84 %
  22.54 %
  22.77 %
  3.68 %
  3.39 %
Yandex Mail
  25870
  25626
  18367
  18208
  6501
  6469
  1002
  949
  71.00 %
  71.05 %
  25.13 %
  25.24 %
  3.87 %
  3.70 %
GMX Mail
  25608
  25548
  18544
  18624
  6088
  6093
  976
  831
  72.41 %
  72.90 %
  23.77 %
  23.85 %
  3.81 %
  3.25 %
Zoho Mail
  25985
  25536
  19377
  19032
  5734
  5648
  874
  856
  74.57 %
  74.53 %
  22.07 %
  22.12 %
  3.36 %
  3.35 %
ProtonMail
  26071
  25852
  19253
  19093
  5904
  5891
  914
  868
  73.85 %
  73.86 %
  22.65 %
  22.79 %
  3.51 %
  3.36 %
Custom Mail
  26238
  25947
  19921
  19652
  5441
  5423
  876
  872
  75.92 %
  75.74 %
  20.74 %
  20.90 %
  3.34 %
  3.36 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.