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Constant Contact and ConvertKit Email Deliverability Comparison

  Constant Contact
  ConvertKit

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

Emails Sent Emails Inbox Emails Spam Emails Lost
  352.286
  353.124
  262.235
  268.142
  76.380
  72.452
  13.671
  12.530

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. ConvertKit beats Constant Contact in this comparison.

Inbox (%) Spam (%) Lost (%)
  74.44 %
  75.93 %
  21.68 %
  20.52 %
  3.88 %
  3.55 %

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, ConvertKit is the clear winner.

Category Emails Sent Emails Inbox Emails Spam Emails Lost Inbox (%) Spam (%) Lost (%)
Clothing
  27244
  27199
  21093
  21517
  5143
  4802
  1008
  880
  77.42 %
  79.11 %
  18.88 %
  17.66 %
  3.70 %
  3.24 %
Elektronics
  26856
  27274
  20202
  20861
  5681
  5510
  973
  903
  75.22 %
  76.49 %
  21.15 %
  20.20 %
  3.62 %
  3.31 %
Entertainment
  27090
  27027
  20118
  20444
  5888
  5594
  1084
  989
  74.26 %
  75.64 %
  21.73 %
  20.70 %
  4.00 %
  3.66 %
Cosmetics & Beauty
  27190
  27322
  20225
  20688
  5915
  5662
  1050
  972
  74.38 %
  75.72 %
  21.75 %
  20.72 %
  3.86 %
  3.56 %
Food & Drink
  27142
  27310
  21112
  21496
  5091
  4924
  939
  890
  77.78 %
  78.71 %
  18.76 %
  18.03 %
  3.46 %
  3.26 %
Home & Garden
  27121
  27061
  20971
  21417
  5158
  4776
  992
  868
  77.32 %
  79.14 %
  19.02 %
  17.65 %
  3.66 %
  3.21 %
Finance
  27409
  27039
  19428
  19572
  6861
  6403
  1120
  1064
  70.88 %
  72.38 %
  25.03 %
  23.68 %
  4.09 %
  3.94 %
Health
  26653
  27267
  19119
  19999
  6455
  6255
  1079
  1013
  71.73 %
  73.35 %
  24.22 %
  22.94 %
  4.05 %
  3.72 %
Pets
  27546
  27288
  21105
  21389
  5450
  5017
  991
  882
  76.62 %
  78.38 %
  19.79 %
  18.39 %
  3.60 %
  3.23 %
Sport & Fitness
  27525
  27243
  20158
  20383
  6254
  5823
  1113
  1037
  73.24 %
  74.82 %
  22.72 %
  21.37 %
  4.04 %
  3.81 %
Job & Career
  26748
  27211
  19505
  20189
  6108
  5958
  1135
  1064
  72.92 %
  74.19 %
  22.84 %
  21.90 %
  4.24 %
  3.91 %
Dating
  27204
  27139
  18789
  19229
  7207
  6819
  1208
  1091
  69.07 %
  70.85 %
  26.49 %
  25.13 %
  4.44 %
  4.02 %
Other
  26558
  26744
  20410
  20958
  5169
  4909
  979
  877
  76.85 %
  78.37 %
  19.46 %
  18.36 %
  3.69 %
  3.28 %

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, ConvertKit is better than Constant Contact.

Provider Emails Sent Emails Inbox Emails Spam Emails Lost Inbox (%) Spam (%) Lost (%)
Gmail
  35367
  35126
  25194
  25551
  8719
  8232
  1454
  1343
  71.24 %
  72.74 %
  24.65 %
  23.44 %
  4.11 %
  3.82 %
Outlook Mail
  35050
  34973
  25176
  25601
  8378
  8004
  1496
  1368
  71.83 %
  73.20 %
  23.90 %
  22.89 %
  4.27 %
  3.91 %
Yahoo Mail
  35170
  35922
  26085
  27224
  7682
  7427
  1403
  1271
  74.17 %
  75.79 %
  21.84 %
  20.68 %
  3.99 %
  3.54 %
AOL Mail
  34331
  35379
  25495
  26784
  7407
  7307
  1429
  1288
  74.26 %
  75.71 %
  21.58 %
  20.65 %
  4.16 %
  3.64 %
Mail.com
  35388
  34472
  26703
  26639
  7341
  6648
  1344
  1185
  75.46 %
  77.28 %
  20.74 %
  19.29 %
  3.80 %
  3.44 %
Yandex Mail
  35397
  34647
  25723
  25782
  8204
  7520
  1470
  1345
  72.67 %
  74.41 %
  23.18 %
  21.70 %
  4.15 %
  3.88 %
GMX Mail
  34923
  35672
  26124
  27161
  7477
  7270
  1322
  1241
  74.80 %
  76.14 %
  21.41 %
  20.38 %
  3.79 %
  3.48 %
Zoho Mail
  35399
  35970
  27032
  27833
  7141
  6901
  1226
  1236
  76.36 %
  77.38 %
  20.17 %
  19.19 %
  3.46 %
  3.44 %
ProtonMail
  35585
  35236
  27053
  27331
  7259
  6774
  1273
  1131
  76.02 %
  77.57 %
  20.40 %
  19.22 %
  3.58 %
  3.21 %
Custom Mail
  35676
  35727
  27650
  28236
  6772
  6369
  1254
  1122
  77.50 %
  79.03 %
  18.98 %
  17.83 %
  3.51 %
  3.14 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.