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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
  222.504
  223.604
  159.064
  159.450
  55.382
  56.565
  8.058
  7.589

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 (%)
  71.49 %
  71.31 %
  24.89 %
  25.30 %
  3.62 %
  3.39 %

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
  17119
  17267
  12815
  12959
  3708
  3754
  596
  554
  74.86 %
  75.05 %
  21.66 %
  21.74 %
  3.48 %
  3.21 %
Elektronics
  17049
  17121
  12295
  12273
  4185
  4291
  569
  557
  72.12 %
  71.68 %
  24.55 %
  25.06 %
  3.34 %
  3.25 %
Entertainment
  17093
  17335
  12210
  12251
  4250
  4481
  633
  603
  71.43 %
  70.67 %
  24.86 %
  25.85 %
  3.70 %
  3.48 %
Cosmetics & Beauty
  17116
  17153
  12221
  12156
  4278
  4379
  617
  618
  71.40 %
  70.87 %
  24.99 %
  25.53 %
  3.60 %
  3.60 %
Food & Drink
  17030
  17803
  12814
  13262
  3661
  3991
  555
  550
  75.24 %
  74.49 %
  21.50 %
  22.42 %
  3.26 %
  3.09 %
Home & Garden
  17204
  17352
  12862
  12966
  3735
  3851
  607
  535
  74.76 %
  74.72 %
  21.71 %
  22.19 %
  3.53 %
  3.08 %
Finance
  17433
  17148
  11748
  11599
  5043
  4917
  642
  632
  67.39 %
  67.64 %
  28.93 %
  28.67 %
  3.68 %
  3.69 %
Health
  16849
  17139
  11471
  11610
  4753
  4930
  625
  599
  68.08 %
  67.74 %
  28.21 %
  28.76 %
  3.71 %
  3.49 %
Pets
  17488
  17381
  12966
  12890
  3913
  3939
  609
  552
  74.14 %
  74.16 %
  22.38 %
  22.66 %
  3.48 %
  3.18 %
Sport & Fitness
  17527
  16774
  12370
  11889
  4523
  4286
  634
  599
  70.58 %
  70.88 %
  25.81 %
  25.55 %
  3.62 %
  3.57 %
Job & Career
  16697
  16906
  11741
  11816
  4279
  4487
  677
  603
  70.32 %
  69.89 %
  25.63 %
  26.54 %
  4.05 %
  3.57 %
Dating
  17103
  17024
  11050
  11026
  5362
  5380
  691
  618
  64.61 %
  64.77 %
  31.35 %
  31.60 %
  4.04 %
  3.63 %
Other
  16796
  17201
  12501
  12753
  3692
  3879
  603
  569
  74.43 %
  74.14 %
  21.98 %
  22.55 %
  3.59 %
  3.31 %

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
  22347
  23105
  15117
  15487
  6379
  6787
  851
  831
  67.65 %
  67.03 %
  28.55 %
  29.37 %
  3.81 %
  3.60 %
Outlook Mail
  22086
  21643
  15144
  14895
  6063
  5968
  879
  780
  68.57 %
  68.82 %
  27.45 %
  27.57 %
  3.98 %
  3.60 %
Yahoo Mail
  22016
  21881
  15744
  15708
  5462
  5424
  810
  749
  71.51 %
  71.79 %
  24.81 %
  24.79 %
  3.68 %
  3.42 %
AOL Mail
  21163
  22887
  15175
  16266
  5177
  5801
  811
  820
  71.71 %
  71.07 %
  24.46 %
  25.35 %
  3.83 %
  3.58 %
Mail.com
  22359
  22474
  16295
  16360
  5265
  5395
  799
  719
  72.88 %
  72.80 %
  23.55 %
  24.01 %
  3.57 %
  3.20 %
Yandex Mail
  22480
  22302
  15739
  15591
  5900
  5921
  841
  790
  70.01 %
  69.91 %
  26.25 %
  26.55 %
  3.74 %
  3.54 %
GMX Mail
  22170
  22076
  15784
  15760
  5569
  5617
  817
  699
  71.20 %
  71.39 %
  25.12 %
  25.44 %
  3.69 %
  3.17 %
Zoho Mail
  22678
  22084
  16694
  16187
  5235
  5186
  749
  711
  73.61 %
  73.30 %
  23.08 %
  23.48 %
  3.30 %
  3.22 %
ProtonMail
  22509
  22541
  16344
  16314
  5398
  5472
  767
  755
  72.61 %
  72.37 %
  23.98 %
  24.28 %
  3.41 %
  3.35 %
Custom Mail
  22696
  22611
  17028
  16882
  4934
  4994
  734
  735
  75.03 %
  74.66 %
  21.74 %
  22.09 %
  3.23 %
  3.25 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.