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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
  338.454
  339.005
  251.328
  252.620
  74.053
  73.996
  13.073
  12.389

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 (%)
  74.26 %
  74.52 %
  21.88 %
  21.83 %
  3.86 %
  3.65 %

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
  26120
  26113
  20188
  20311
  4976
  4924
  956
  878
  77.29 %
  77.78 %
  19.05 %
  18.86 %
  3.66 %
  3.36 %
Elektronics
  25811
  26070
  19379
  19597
  5509
  5563
  923
  910
  75.08 %
  75.17 %
  21.34 %
  21.34 %
  3.58 %
  3.49 %
Entertainment
  25996
  26114
  19258
  19342
  5706
  5814
  1032
  958
  74.08 %
  74.07 %
  21.95 %
  22.26 %
  3.97 %
  3.67 %
Cosmetics & Beauty
  26106
  26029
  19378
  19287
  5727
  5728
  1001
  1014
  74.23 %
  74.10 %
  21.94 %
  22.01 %
  3.83 %
  3.90 %
Food & Drink
  26096
  26659
  20269
  20638
  4934
  5152
  893
  869
  77.67 %
  77.41 %
  18.91 %
  19.33 %
  3.42 %
  3.26 %
Home & Garden
  26027
  26502
  20084
  20599
  4993
  5056
  950
  847
  77.17 %
  77.73 %
  19.18 %
  19.08 %
  3.65 %
  3.20 %
Finance
  26382
  26039
  18628
  18516
  6668
  6450
  1086
  1073
  70.61 %
  71.11 %
  25.27 %
  24.77 %
  4.12 %
  4.12 %
Health
  25636
  26028
  18318
  18640
  6274
  6364
  1044
  1024
  71.45 %
  71.62 %
  24.47 %
  24.45 %
  4.07 %
  3.93 %
Pets
  26496
  26290
  20254
  20197
  5284
  5206
  958
  887
  76.44 %
  76.82 %
  19.94 %
  19.80 %
  3.62 %
  3.37 %
Sport & Fitness
  26499
  25616
  19375
  18912
  6070
  5721
  1054
  983
  73.12 %
  73.83 %
  22.91 %
  22.33 %
  3.98 %
  3.84 %
Job & Career
  25670
  25933
  18677
  18871
  5910
  6044
  1083
  1018
  72.76 %
  72.77 %
  23.02 %
  23.31 %
  4.22 %
  3.93 %
Dating
  26094
  25746
  17943
  17866
  6995
  6870
  1156
  1010
  68.76 %
  69.39 %
  26.81 %
  26.68 %
  4.43 %
  3.92 %
Other
  25521
  25866
  19577
  19844
  5007
  5104
  937
  918
  76.71 %
  76.72 %
  19.62 %
  19.73 %
  3.67 %
  3.55 %

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
  33927
  34615
  24094
  24491
  8452
  8741
  1381
  1383
  71.02 %
  70.75 %
  24.91 %
  25.25 %
  4.07 %
  4.00 %
Outlook Mail
  33644
  33130
  24115
  23942
  8115
  7893
  1414
  1295
  71.68 %
  72.27 %
  24.12 %
  23.82 %
  4.20 %
  3.91 %
Yahoo Mail
  33715
  33539
  24948
  24985
  7429
  7284
  1338
  1270
  74.00 %
  74.50 %
  22.03 %
  21.72 %
  3.97 %
  3.79 %
AOL Mail
  32983
  34374
  24444
  25437
  7171
  7628
  1368
  1309
  74.11 %
  74.00 %
  21.74 %
  22.19 %
  4.15 %
  3.81 %
Mail.com
  33979
  33977
  25591
  25679
  7110
  7096
  1278
  1202
  75.31 %
  75.58 %
  20.92 %
  20.88 %
  3.76 %
  3.54 %
Yandex Mail
  34057
  33788
  24704
  24616
  7957
  7856
  1396
  1316
  72.54 %
  72.85 %
  23.36 %
  23.25 %
  4.10 %
  3.89 %
GMX Mail
  33615
  33710
  25051
  25364
  7274
  7226
  1290
  1120
  74.52 %
  75.24 %
  21.64 %
  21.44 %
  3.84 %
  3.32 %
Zoho Mail
  34085
  33692
  25971
  25757
  6936
  6779
  1178
  1156
  76.19 %
  76.45 %
  20.35 %
  20.12 %
  3.46 %
  3.43 %
ProtonMail
  34202
  34058
  25924
  25905
  7050
  6979
  1228
  1174
  75.80 %
  76.06 %
  20.61 %
  20.49 %
  3.59 %
  3.45 %
Custom Mail
  34247
  34122
  26486
  26444
  6559
  6514
  1202
  1164
  77.34 %
  77.50 %
  19.15 %
  19.09 %
  3.51 %
  3.41 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.