This page provides information about the usage of the Allow a content type only once (Only One) project, including summaries across all versions and details for each release. For each week beginning on the given date the figures show the number of sites that reported they are using a given version of the project.

Allow a content type only once (Only One) project page
Usage statistics for all projects

Show legacy data
Week starting 8.x-1.x 2.x 2.0.x Total
June 14th, 2026 168 0 2751 2919
June 7th, 2026 172 0 2692 2864
May 31st, 2026 186 0 2750 2936
May 24th, 2026 186 0 2758 2944
May 17th, 2026 190 0 2351 2541
May 10th, 2026 180 0 1914 2094
May 3rd, 2026 174 0 2651 2825
April 26th, 2026 183 0 2411 2594
April 19th, 2026 176 0 2779 2955
April 12th, 2026 194 0 2433 2627
April 5th, 2026 188 0 2752 2940
March 29th, 2026 177 0 2209 2386
March 22nd, 2026 186 0 1707 1893
March 15th, 2026 184 0 2232 2416
March 8th, 2026 191 0 2765 2956
February 22nd, 2026 199 0 1640 1839
February 15th, 2026 196 0 2215 2411
February 8th, 2026 178 0 2773 2951
February 1st, 2026 196 0 2907 3103
January 25th, 2026 189 0 2333 2522
January 18th, 2026 181 0 2770 2951
January 11th, 2026 190 0 1734 1924
January 4th, 2026 187 0 2642 2829
December 28th, 2025 177 0 1552 1729
December 21st, 2025 182 0 1616 1798
December 14th, 2025 191 0 2279 2470
December 7th, 2025 193 0 1806 1999
November 30th, 2025 195 0 2755 2950
November 23rd, 2025 193 0 1869 2062
November 16th, 2025 186 0 2991 3177
November 9th, 2025 203 0 3135 3338
November 2nd, 2025 162 0 2766 2928
October 26th, 2025 169 0 2242 2411
October 19th, 2025 160 0 2048 2208
October 12th, 2025 176 0 2914 3090
October 5th, 2025 174 0 3176 3350
September 28th, 2025 167 0 3079 3246
September 21st, 2025 174 0 3015 3189
September 14th, 2025 166 0 2357 2523
September 7th, 2025 207 0 3108 3315
August 31st, 2025 208 0 2698 2906
August 24th, 2025 218 0 2711 2929
August 17th, 2025 206 0 3004 3210
August 10th, 2025 219 0 1685 1904
August 3rd, 2025 216 0 3102 3318
July 27th, 2025 220 0 2329 2549
July 20th, 2025 225 0 2423 2648
July 13th, 2025 216 0 2814 3030
July 6th, 2025 232 0 2295 2527
June 29th, 2025 248 0 1984 2232
June 22nd, 2025 235 0 2578 2813
June 15th, 2025 204 0 2071 2275
June 8th, 2025 200 0 1594 1794
June 1st, 2025 206 0 2651 2857
May 25th, 2025 202 0 2021 2223
May 18th, 2025 198 1 1922 2121
May 11th, 2025 202 2 2543 2747
May 4th, 2025 206 3 1623 1832
April 27th, 2025 202 4 1590 1796
April 20th, 2025 209 4 1876 2089
April 13th, 2025 213 4 2306 2523
April 6th, 2025 208 5 2833 3046
March 30th, 2025 216 5 2194 2415
March 23rd, 2025 201 6 1875 2082
March 16th, 2025 215 9 1633 1857
March 9th, 2025 214 9 2574 2797
March 2nd, 2025 212 10 1913 2135
February 23rd, 2025 216 14 2045 2275
February 16th, 2025 209 17 1964 2190
February 9th, 2025 207 18 1625 1850
February 2nd, 2025 215 15 1520 1750
January 26th, 2025 219 11 2361 2591
January 19th, 2025 222 11 1728 1961
January 12th, 2025 220 11 1806 2037
January 5th, 2025 238 14 1474 1726
December 29th, 2024 206 13 1181 1400
December 22nd, 2024 204 12 1221 1437
December 15th, 2024 227 13 1444 1684
December 8th, 2024 242 15 2094 2351
December 1st, 2024 240 15 2400 2655
November 24th, 2024 239 15 1327 1581
November 17th, 2024 244 16 1599 1859
November 10th, 2024 237 16 2259 2512
November 3rd, 2024 237 10 2000 2247
October 27th, 2024 239 13 1700 1952
October 20th, 2024 248 14 1807 2069
October 13th, 2024 252 12 1889 2153
October 6th, 2024 244 15 1504 1763
September 29th, 2024 261 11 1585 1857
September 22nd, 2024 250 9 1621 1880
September 15th, 2024 262 12 1813 2087
September 8th, 2024 240 12 2023 2275
September 1st, 2024 258 9 1373 1640
August 25th, 2024 259 10 2052 2321
August 18th, 2024 235 11 1549 1795
August 11th, 2024 233 9 1375 1617
August 4th, 2024 253 10 1746 2009
July 28th, 2024 249 11 1628 1888
July 21st, 2024 258 10 1551 1819
July 14th, 2024 252 10 1257 1519
July 7th, 2024 209 6 1389 1604
June 30th, 2024 293 7 1630 1930
June 23rd, 2024 265 9 1628 1902
June 16th, 2024 271 9 1624 1904
June 9th, 2024 263 7 1200 1470
June 2nd, 2024 262 6 1555 1823
May 26th, 2024 259 7 1482 1748
May 19th, 2024 253 7 1854 2114
May 12th, 2024 278 8 1432 1718
May 5th, 2024 267 7 1322 1596
April 28th, 2024 279 6 1590 1875
April 21st, 2024 355 8 1680 2043
April 14th, 2024 363 7 1369 1739
April 7th, 2024 386 6 1289 1681
March 31st, 2024 403 6 1272 1681
March 24th, 2024 406 5 1051 1462
March 17th, 2024 373 4 1273 1650
March 10th, 2024 351 3 1045 1399
March 3rd, 2024 375 4 1046 1425
February 25th, 2024 428 5 1085 1518
February 18th, 2024 421 4 981 1406
February 11th, 2024 439 4 958 1401
February 4th, 2024 423 4 1097 1524
January 28th, 2024 408 4 1394 1806
January 21st, 2024 453 4 1243 1700
January 14th, 2024 451 2 917 1370
January 7th, 2024 484 2 1059 1545
December 31st, 2023 442 2 981 1425
December 24th, 2023 410 2 673 1085
December 17th, 2023 446 2 1154 1602
December 10th, 2023 535 2 1176 1713
December 3rd, 2023 550 1 999 1550
November 26th, 2023 515 0 1102 1617
November 19th, 2023 542 0 1004 1546
November 12th, 2023 583 0 1042 1625
November 5th, 2023 616 0 993 1609
October 29th, 2023 556 0 1336 1892
October 22nd, 2023 561 0 1111 1672
October 15th, 2023 522 0 1101 1623
October 8th, 2023 606 0 793 1399
October 1st, 2023 584 0 962 1546
September 24th, 2023 673 0 921 1594
September 17th, 2023 719 0 753 1472
September 10th, 2023 730 0 576 1306
September 3rd, 2023 674 0 612 1286
August 27th, 2023 734 0 604 1338
August 20th, 2023 652 0 423 1075
August 13th, 2023 640 0 410 1050
August 6th, 2023 763 0 481 1244
July 30th, 2023 642 0 462 1104
July 23rd, 2023 662 0 485 1147
July 16th, 2023 686 0 452 1138
July 9th, 2023 708 0 499 1207
July 2nd, 2023 738 0 307 1045
June 25th, 2023 769 0 291 1060
June 18th, 2023 790 0 272 1062
June 11th, 2023 798 0 270 1068
June 4th, 2023 787 0 262 1049
May 28th, 2023 802 0 229 1031
May 21st, 2023 822 0 206 1028
May 14th, 2023 884 0 211 1095
May 7th, 2023 921 0 182 1103
April 30th, 2023 983 0 130 1113
April 23rd, 2023 1036 0 70 1106
April 16th, 2023 1044 0 0 1044
April 9th, 2023 969 0 0 969
April 2nd, 2023 979 0 0 979
March 26th, 2023 977 0 0 977
March 19th, 2023 962 0 0 962
March 12th, 2023 946 0 0 946
March 5th, 2023 967 0 0 967
February 26th, 2023 941 0 0 941
February 19th, 2023 912 0 0 912
February 12th, 2023 934 0 0 934
February 5th, 2023 990 0 0 990
January 29th, 2023 978 0 0 978
January 22nd, 2023 950 0 0 950
January 15th, 2023 983 0 0 983
January 8th, 2023 962 0 0 962
January 1st, 2023 951 0 0 951
December 25th, 2022 805 0 0 805
December 18th, 2022 923 0 0 923
December 11th, 2022 997 0 0 997
December 4th, 2022 1001 0 0 1001
November 27th, 2022 1029 0 0 1029
November 20th, 2022 994 0 0 994
November 13th, 2022 991 0 0 991
November 6th, 2022 982 0 0 982
October 30th, 2022 941 0 0 941
October 23rd, 2022 947 0 0 947
October 16th, 2022 993 0 0 993
October 9th, 2022 979 0 0 979
October 2nd, 2022 1000 0 0 1000
September 25th, 2022 986 0 0 986
September 18th, 2022 971 0 0 971
September 11th, 2022 900 0 0 900
September 4th, 2022 925 0 0 925
August 28th, 2022 946 0 0 946
August 21st, 2022 948 0 0 948
August 14th, 2022 888 0 0 888
August 7th, 2022 1009 0 0 1009
July 31st, 2022 986 0 0 986
July 24th, 2022 961 0 0 961
July 17th, 2022 998 0 0 998
July 10th, 2022 946 0 0 946
July 3rd, 2022 980 0 0 980
June 26th, 2022 949 0 0 949
June 19th, 2022 927 0 0 927
June 12th, 2022 983 0 0 983
June 5th, 2022 935 0 0 935
May 29th, 2022 958 0 0 958
May 22nd, 2022 956 0 0 956
May 15th, 2022 931 0 0 931
May 8th, 2022 942 0 0 942
May 1st, 2022 937 0 0 937
April 24th, 2022 1015 0 0 1015
April 17th, 2022 967 0 0 967
April 10th, 2022 960 0 0 960
April 3rd, 2022 1025 0 0 1025
March 27th, 2022 985 0 0 985
March 20th, 2022 983 0 0 983
March 13th, 2022 979 0 0 979
March 6th, 2022 1001 0 0 1001
February 27th, 2022 923 0 0 923
February 20th, 2022 993 0 0 993
February 13th, 2022 939 0 0 939
February 6th, 2022 887 0 0 887
January 30th, 2022 867 0 0 867
January 23rd, 2022 919 0 0 919
January 16th, 2022 902 0 0 902
January 9th, 2022 893 0 0 893
January 2nd, 2022 849 0 0 849
December 26th, 2021 701 0 0 701
December 19th, 2021 786 0 0 786
December 12th, 2021 883 0 0 883
December 5th, 2021 907 0 0 907
November 28th, 2021 889 0 0 889
November 21st, 2021 891 0 0 891
November 14th, 2021 851 0 0 851
November 7th, 2021 854 0 0 854
October 31st, 2021 865 0 0 865
October 24th, 2021 859 0 0 859
October 17th, 2021 840 0 0 840
October 10th, 2021 828 0 0 828
October 3rd, 2021 813 0 0 813
September 26th, 2021 806 0 0 806
September 19th, 2021 757 0 0 757
September 12th, 2021 757 0 0 757
September 5th, 2021 716 0 0 716
August 29th, 2021 697 0 0 697
August 22nd, 2021 697 0 0 697
August 15th, 2021 692 0 0 692
August 8th, 2021 701 0 0 701
August 1st, 2021 709 0 0 709
July 25th, 2021 736 0 0 736
July 18th, 2021 698 0 0 698
July 11th, 2021 744 0 0 744
July 4th, 2021 742 0 0 742
June 27th, 2021 793 0 0 793
June 20th, 2021 695 0 0 695
June 13th, 2021 756 0 0 756
June 6th, 2021 715 0 0 715
May 30th, 2021 731 0 0 731
May 23rd, 2021 722 0 0 722
May 16th, 2021 726 0 0 726
May 9th, 2021 650 0 0 650
May 2nd, 2021 691 0 0 691
April 25th, 2021 587 0 0 587
April 18th, 2021 643 0 0 643
April 11th, 2021 676 0 0 676
April 4th, 2021 757 0 0 757
March 28th, 2021 751 0 0 751
March 21st, 2021 804 0 0 804
March 14th, 2021 681 0 0 681
March 7th, 2021 687 0 0 687
February 28th, 2021 678 0 0 678
February 21st, 2021 648 0 0 648
February 14th, 2021 571 0 0 571
February 7th, 2021 589 0 0 589
January 31st, 2021 554 0 0 554
January 24th, 2021 570 0 0 570
January 17th, 2021 592 0 0 592
January 10th, 2021 614 0 0 614
January 3rd, 2021 572 0 0 572
December 27th, 2020 435 0 0 435
December 20th, 2020 503 0 0 503
December 13th, 2020 606 0 0 606
December 6th, 2020 564 0 0 564
November 29th, 2020 549 0 0 549
November 22nd, 2020 563 0 0 563
November 15th, 2020 564 0 0 564
November 8th, 2020 525 0 0 525
November 1st, 2020 520 0 0 520
October 25th, 2020 503 0 0 503
October 18th, 2020 512 0 0 512
October 11th, 2020 538 0 0 538
October 4th, 2020 633 0 0 633
September 27th, 2020 689 0 0 689
September 20th, 2020 666 0 0 666
September 13th, 2020 647 0 0 647
September 6th, 2020 604 0 0 604
August 30th, 2020 598 0 0 598
August 23rd, 2020 551 0 0 551
August 16th, 2020 509 0 0 509
August 9th, 2020 561 0 0 561
August 2nd, 2020 560 0 0 560
July 26th, 2020 569 0 0 569
July 19th, 2020 535 0 0 535
July 12th, 2020 484 0 0 484
July 5th, 2020 501 0 0 501
June 28th, 2020 485 0 0 485
June 21st, 2020 535 0 0 535
June 14th, 2020 513 0 0 513
June 7th, 2020 510 0 0 510
May 31st, 2020 474 0 0 474
May 24th, 2020 440 0 0 440
May 17th, 2020 443 0 0 443
May 10th, 2020 460 0 0 460
May 3rd, 2020 437 0 0 437
April 26th, 2020 447 0 0 447
April 19th, 2020 453 0 0 453
April 12th, 2020 432 0 0 432
April 5th, 2020 440 0 0 440
March 29th, 2020 494 0 0 494
March 22nd, 2020 463 0 0 463
March 15th, 2020 448 0 0 448
March 8th, 2020 447 0 0 447
March 1st, 2020 449 0 0 449
February 23rd, 2020 459 0 0 459
February 16th, 2020 410 0 0 410
February 9th, 2020 410 0 0 410
February 2nd, 2020 414 0 0 414
January 26th, 2020 374 0 0 374
January 19th, 2020 387 0 0 387
January 12th, 2020 378 0 0 378
January 5th, 2020 351 0 0 351
December 29th, 2019 325 0 0 325
December 22nd, 2019 287 0 0 287
December 15th, 2019 357 0 0 357
December 8th, 2019 340 0 0 340
December 1st, 2019 345 0 0 345
November 24th, 2019 353 0 0 353
November 17th, 2019 337 0 0 337
November 10th, 2019 324 0 0 324
November 3rd, 2019 319 0 0 319
October 27th, 2019 314 0 0 314
October 20th, 2019 334 0 0 334
October 13th, 2019 300 0 0 300
October 6th, 2019 291 0 0 291
September 29th, 2019 323 0 0 323
September 22nd, 2019 348 0 0 348
September 15th, 2019 260 0 0 260
September 8th, 2019 273 0 0 273
September 1st, 2019 245 0 0 245
August 25th, 2019 252 0 0 252
August 18th, 2019 234 0 0 234
August 11th, 2019 236 0 0 236
August 4th, 2019 257 0 0 257
July 28th, 2019 226 0 0 226
July 21st, 2019 211 0 0 211
July 14th, 2019 260 0 0 260
July 7th, 2019 337 0 0 337
June 30th, 2019 331 0 0 331
June 23rd, 2019 299 0 0 299
June 16th, 2019 262 0 0 262
June 9th, 2019 257 0 0 257
June 2nd, 2019 240 0 0 240
May 26th, 2019 224 0 0 224
May 19th, 2019 250 0 0 250
May 12th, 2019 229 0 0 229
May 5th, 2019 223 0 0 223
April 28th, 2019 197 0 0 197
April 21st, 2019 163 0 0 163
April 14th, 2019 240 0 0 240
April 7th, 2019 194 0 0 194
March 31st, 2019 254 0 0 254
March 24th, 2019 321 0 0 321
March 17th, 2019 278 0 0 278
March 10th, 2019 212 0 0 212
March 3rd, 2019 205 0 0 205
February 24th, 2019 247 0 0 247
February 17th, 2019 226 0 0 226
February 10th, 2019 202 0 0 202
February 3rd, 2019 242 0 0 242
January 27th, 2019 288 0 0 288
January 20th, 2019 193 0 0 193
January 13th, 2019 261 0 0 261
January 6th, 2019 297 0 0 297
December 30th, 2018 288 0 0 288
December 23rd, 2018 177 0 0 177
December 16th, 2018 389 0 0 389
December 9th, 2018 178 0 0 178
December 2nd, 2018 154 0 0 154
November 25th, 2018 144 0 0 144
November 18th, 2018 121 0 0 121
November 11th, 2018 148 0 0 148
November 4th, 2018 148 0 0 148
October 28th, 2018 173 0 0 173
October 21st, 2018 187 0 0 187
October 14th, 2018 183 0 0 183
October 7th, 2018 200 0 0 200
September 30th, 2018 185 0 0 185
September 23rd, 2018 170 0 0 170
September 16th, 2018 144 0 0 144
September 9th, 2018 158 0 0 158
September 2nd, 2018 147 0 0 147
August 26th, 2018 180 0 0 180
August 19th, 2018 216 0 0 216
August 12th, 2018 256 0 0 256
August 5th, 2018 346 0 0 346
July 29th, 2018 255 0 0 255
July 22nd, 2018 296 0 0 296
July 15th, 2018 246 0 0 246
July 8th, 2018 189 0 0 189
July 1st, 2018 70 0 0 70
June 24th, 2018 108 0 0 108
June 17th, 2018 75 0 0 75
June 10th, 2018 69 0 0 69
June 3rd, 2018 66 0 0 66
May 27th, 2018 77 0 0 77
May 20th, 2018 77 0 0 77
May 13th, 2018 68 0 0 68
May 6th, 2018 65 0 0 65
April 29th, 2018 62 0 0 62
April 22nd, 2018 71 0 0 71
April 15th, 2018 72 0 0 72
April 8th, 2018 80 0 0 80
April 1st, 2018 92 0 0 92
March 25th, 2018 80 0 0 80
March 18th, 2018 70 0 0 70
March 11th, 2018 68 0 0 68
March 4th, 2018 100 0 0 100
February 25th, 2018 76 0 0 76
February 18th, 2018 88 0 0 88
February 11th, 2018 52 0 0 52
February 4th, 2018 100 0 0 100
January 28th, 2018 184 0 0 184
January 21st, 2018 147 0 0 147
January 14th, 2018 142 0 0 142
January 7th, 2018 56 0 0 56
December 31st, 2017 65 0 0 65
December 24th, 2017 46 0 0 46
December 17th, 2017 72 0 0 72
December 10th, 2017 65 0 0 65
December 3rd, 2017 55 0 0 55
November 26th, 2017 41 0 0 41
November 19th, 2017 37 0 0 37
November 12th, 2017 37 0 0 37
November 5th, 2017 31 0 0 31
October 29th, 2017 32 0 0 32
October 22nd, 2017 40 0 0 40
October 15th, 2017 35 0 0 35
October 8th, 2017 36 0 0 36
October 1st, 2017 39 0 0 39
September 24th, 2017 32 0 0 32
September 17th, 2017 47 0 0 47
September 10th, 2017 35 0 0 35
September 3rd, 2017 24 0 0 24
August 27th, 2017 25 0 0 25
August 20th, 2017 27 0 0 27
August 13th, 2017 13 0 0 13
August 6th, 2017 18 0 0 18
July 30th, 2017 14 0 0 14
July 23rd, 2017 17 0 0 17
July 16th, 2017 12 0 0 12
July 9th, 2017 15 0 0 15
July 2nd, 2017 17 0 0 17
June 25th, 2017 22 0 0 22
June 18th, 2017 13 0 0 13
June 11th, 2017 25 0 0 25
June 4th, 2017 18 0 0 18
May 28th, 2017 38 0 0 38
May 21st, 2017 6 0 0 6
May 14th, 2017 2 0 0 2
May 7th, 2017 1 0 0 1

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
7.x-1.10 2 3 1 2 3 1
7.x-1.11 1 1 1 1 1 1
7.x-1.13 2 2 2 2 2 2
7.x-1.14 8 7 7 6 6 6
8.x-1.7 1 1 1 1 1 2
8.x-1.8 6 7 8 8 9 9
8.x-1.9 0 0 1 0 1 0
8.x-1.10 161 164 176 177 179 169
2.0.0 144 144 157 168 172 170
2.0.1 2607 2548 2593 2590 2179 1744

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