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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 Constant Contact than for SendInBlue.

Emails Sent Emails Inbox Emails Spam Emails Lost
  181.495
  182.453
  126.500
  126.415
  48.726
  50.192
  6.269
  5.846

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 SendInBlue in this comparison.

Inbox (%) Spam (%) Lost (%)
  69.70 %
  69.29 %
  26.85 %
  27.51 %
  3.45 %
  3.20 %

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
  13996
  14117
  10272
  10361
  3263
  3330
  461
  426
  73.39 %
  73.39 %
  23.31 %
  23.59 %
  3.29 %
  3.02 %
Elektronics
  13880
  14020
  9735
  9746
  3690
  3846
  455
  428
  70.14 %
  69.51 %
  26.59 %
  27.43 %
  3.28 %
  3.05 %
Entertainment
  13894
  14256
  9671
  9773
  3728
  4002
  495
  481
  69.61 %
  68.55 %
  26.83 %
  28.07 %
  3.56 %
  3.37 %
Cosmetics & Beauty
  13963
  14106
  9709
  9729
  3765
  3901
  489
  476
  69.53 %
  68.97 %
  26.96 %
  27.65 %
  3.50 %
  3.37 %
Food & Drink
  13809
  14588
  10170
  10600
  3203
  3556
  436
  432
  73.65 %
  72.66 %
  23.20 %
  24.38 %
  3.16 %
  2.96 %
Home & Garden
  14061
  14205
  10299
  10371
  3284
  3421
  478
  413
  73.25 %
  73.01 %
  23.36 %
  24.08 %
  3.40 %
  2.91 %
Finance
  14354
  13872
  9377
  9052
  4484
  4343
  493
  477
  65.33 %
  65.25 %
  31.24 %
  31.31 %
  3.43 %
  3.44 %
Health
  13872
  13979
  9147
  9115
  4238
  4402
  487
  462
  65.94 %
  65.20 %
  30.55 %
  31.49 %
  3.51 %
  3.30 %
Pets
  14316
  14202
  10422
  10295
  3426
  3472
  468
  435
  72.80 %
  72.49 %
  23.93 %
  24.45 %
  3.27 %
  3.06 %
Sport & Fitness
  14258
  13534
  9801
  9308
  3945
  3759
  512
  467
  68.74 %
  68.77 %
  27.67 %
  27.77 %
  3.59 %
  3.45 %
Job & Career
  13432
  13738
  9234
  9373
  3685
  3927
  513
  438
  68.75 %
  68.23 %
  27.43 %
  28.58 %
  3.82 %
  3.19 %
Dating
  13955
  13831
  8645
  8550
  4789
  4822
  521
  459
  61.95 %
  61.82 %
  34.32 %
  34.86 %
  3.73 %
  3.32 %
Other
  13705
  14005
  10018
  10142
  3226
  3411
  461
  452
  73.10 %
  72.42 %
  23.54 %
  24.36 %
  3.36 %
  3.23 %

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 SendInBlue.

Provider Emails Sent Emails Inbox Emails Spam Emails Lost Inbox (%) Spam (%) Lost (%)
Gmail
  18205
  18932
  11930
  12244
  5635
  6069
  640
  619
  65.53 %
  64.67 %
  30.95 %
  32.06 %
  3.52 %
  3.27 %
Outlook Mail
  17933
  17499
  11950
  11647
  5323
  5256
  660
  596
  66.64 %
  66.56 %
  29.68 %
  30.04 %
  3.68 %
  3.41 %
Yahoo Mail
  18014
  17796
  12599
  12448
  4783
  4762
  632
  586
  69.94 %
  69.95 %
  26.55 %
  26.76 %
  3.51 %
  3.29 %
AOL Mail
  17061
  18770
  11958
  13034
  4482
  5128
  621
  608
  70.09 %
  69.44 %
  26.27 %
  27.32 %
  3.64 %
  3.24 %
Mail.com
  18217
  18311
  12996
  12999
  4599
  4755
  622
  557
  71.34 %
  70.99 %
  25.25 %
  25.97 %
  3.41 %
  3.04 %
Yandex Mail
  18388
  18268
  12588
  12432
  5160
  5236
  640
  600
  68.46 %
  68.05 %
  28.06 %
  28.66 %
  3.48 %
  3.28 %
GMX Mail
  18163
  17974
  12553
  12398
  4968
  5033
  642
  543
  69.11 %
  68.98 %
  27.35 %
  28.00 %
  3.53 %
  3.02 %
Zoho Mail
  18418
  17977
  13221
  12821
  4593
  4599
  604
  557
  71.78 %
  71.32 %
  24.94 %
  25.58 %
  3.28 %
  3.10 %
ProtonMail
  18464
  18443
  13025
  12913
  4823
  4915
  616
  615
  70.54 %
  70.02 %
  26.12 %
  26.65 %
  3.34 %
  3.33 %
Custom Mail
  18632
  18483
  13680
  13479
  4360
  4439
  592
  565
  73.42 %
  72.93 %
  23.40 %
  24.02 %
  3.18 %
  3.06 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.