This page provides information about the usage of the RESTful 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.

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Week starting 7.x-1.x 7.x-2.x Total
June 14th, 2026 74 241 315
June 7th, 2026 92 228 320
May 31st, 2026 76 229 305
May 24th, 2026 69 215 284
May 17th, 2026 74 243 317
May 10th, 2026 80 234 314
May 3rd, 2026 73 256 329
April 26th, 2026 71 234 305
April 19th, 2026 74 272 346
April 12th, 2026 82 272 354
April 5th, 2026 81 244 325
March 29th, 2026 82 249 331
March 22nd, 2026 78 257 335
March 15th, 2026 76 264 340
March 8th, 2026 79 259 338
February 22nd, 2026 82 266 348
February 15th, 2026 78 248 326
February 8th, 2026 84 286 370
February 1st, 2026 80 261 341
January 25th, 2026 85 283 368
January 18th, 2026 81 254 335
January 11th, 2026 80 261 341
January 4th, 2026 81 262 343
December 28th, 2025 79 252 331
December 21st, 2025 75 249 324
December 14th, 2025 79 269 348
December 7th, 2025 82 289 371
November 30th, 2025 89 278 367
November 23rd, 2025 80 269 349
November 16th, 2025 84 257 341
November 9th, 2025 80 260 340
November 2nd, 2025 84 274 358
October 26th, 2025 84 281 365
October 19th, 2025 87 258 345
October 12th, 2025 80 266 346
October 5th, 2025 84 255 339
September 28th, 2025 83 247 330
September 21st, 2025 76 241 317
September 14th, 2025 78 251 329
September 7th, 2025 87 261 348
August 31st, 2025 82 267 349
August 24th, 2025 85 252 337
August 17th, 2025 90 251 341
August 10th, 2025 86 251 337
August 3rd, 2025 87 239 326
July 27th, 2025 90 242 332
July 20th, 2025 92 244 336
July 13th, 2025 96 244 340
July 6th, 2025 89 242 331
June 29th, 2025 86 226 312
June 22nd, 2025 98 235 333
June 15th, 2025 84 232 316
June 8th, 2025 95 234 329
June 1st, 2025 91 234 325
May 25th, 2025 88 246 334
May 18th, 2025 93 239 332
May 11th, 2025 94 243 337
May 4th, 2025 89 260 349
April 27th, 2025 92 262 354
April 20th, 2025 90 266 356
April 13th, 2025 88 275 363
April 6th, 2025 92 265 357
March 30th, 2025 90 274 364
March 23rd, 2025 106 287 393
March 16th, 2025 94 265 359
March 9th, 2025 103 273 376
March 2nd, 2025 108 273 381
February 23rd, 2025 119 280 399
February 16th, 2025 116 289 405
February 9th, 2025 107 281 388
February 2nd, 2025 110 309 419
January 26th, 2025 111 296 407
January 19th, 2025 108 305 413
January 12th, 2025 114 296 410
January 5th, 2025 109 300 409
December 29th, 2024 114 297 411
December 22nd, 2024 104 280 384
December 15th, 2024 107 281 388
December 8th, 2024 110 308 418
December 1st, 2024 112 304 416
November 24th, 2024 116 303 419
November 17th, 2024 117 315 432
November 10th, 2024 112 308 420
November 3rd, 2024 108 306 414
October 27th, 2024 113 296 409
October 20th, 2024 110 302 412
October 13th, 2024 106 310 416
October 6th, 2024 118 323 441
September 29th, 2024 106 326 432
September 22nd, 2024 121 317 438
September 15th, 2024 107 320 427
September 8th, 2024 112 333 445
September 1st, 2024 115 346 461
August 25th, 2024 115 334 449
August 18th, 2024 109 345 454
August 11th, 2024 119 321 440
August 4th, 2024 115 332 447
July 28th, 2024 114 350 464
July 21st, 2024 112 338 450
July 14th, 2024 109 312 421
July 7th, 2024 100 272 372
June 30th, 2024 130 345 475
June 23rd, 2024 116 352 468
June 16th, 2024 121 342 463
June 9th, 2024 117 346 463
June 2nd, 2024 125 344 469
May 26th, 2024 130 362 492
May 19th, 2024 105 330 435
May 12th, 2024 116 351 467
May 5th, 2024 115 340 455
April 28th, 2024 126 353 479
April 21st, 2024 123 357 480
April 14th, 2024 115 373 488
April 7th, 2024 116 363 479
March 31st, 2024 119 379 498
March 24th, 2024 131 378 509
March 17th, 2024 116 381 497
March 10th, 2024 119 388 507
March 3rd, 2024 115 402 517
February 25th, 2024 119 402 521
February 18th, 2024 115 386 501
February 11th, 2024 115 384 499
February 4th, 2024 119 411 530
January 28th, 2024 116 415 531
January 21st, 2024 119 392 511
January 14th, 2024 122 398 520
January 7th, 2024 115 404 519
December 31st, 2023 116 399 515
December 24th, 2023 124 401 525
December 17th, 2023 120 399 519
December 10th, 2023 118 420 538
December 3rd, 2023 122 428 550
November 26th, 2023 130 416 546
November 19th, 2023 143 407 550
November 12th, 2023 138 420 558
November 5th, 2023 130 411 541
October 29th, 2023 142 413 555
October 22nd, 2023 137 413 550
October 15th, 2023 123 407 530
October 8th, 2023 135 403 538
October 1st, 2023 137 420 557
September 24th, 2023 135 424 559
September 17th, 2023 143 420 563
September 10th, 2023 137 417 554
September 3rd, 2023 136 413 549
August 27th, 2023 130 400 530
August 20th, 2023 135 419 554
August 13th, 2023 130 424 554
August 6th, 2023 167 459 626
July 30th, 2023 143 424 567
July 23rd, 2023 150 437 587
July 16th, 2023 136 413 549
July 9th, 2023 144 431 575
July 2nd, 2023 132 438 570
June 25th, 2023 147 424 571
June 18th, 2023 137 447 584
June 11th, 2023 135 434 569
June 4th, 2023 142 414 556
May 28th, 2023 143 439 582
May 21st, 2023 132 440 572
May 14th, 2023 135 446 581
May 7th, 2023 143 444 587
April 30th, 2023 135 447 582
April 23rd, 2023 140 462 602
April 16th, 2023 143 462 605
April 9th, 2023 134 448 582
April 2nd, 2023 147 464 611
March 26th, 2023 138 499 637
March 19th, 2023 151 481 632
March 12th, 2023 152 463 615
March 5th, 2023 151 477 628
February 26th, 2023 157 471 628
February 19th, 2023 162 487 649
February 12th, 2023 153 486 639
February 5th, 2023 159 478 637
January 29th, 2023 137 504 641
January 22nd, 2023 158 497 655
January 15th, 2023 171 496 667
January 8th, 2023 160 506 666
January 1st, 2023 158 502 660
December 25th, 2022 140 477 617
December 18th, 2022 155 495 650
December 11th, 2022 162 487 649
December 4th, 2022 177 502 679
November 27th, 2022 186 492 678
November 20th, 2022 203 504 707
November 13th, 2022 174 493 667
November 6th, 2022 167 509 676
October 30th, 2022 169 495 664
October 23rd, 2022 166 511 677
October 16th, 2022 175 517 692
October 9th, 2022 187 518 705
October 2nd, 2022 178 549 727
September 25th, 2022 183 547 730
September 18th, 2022 215 555 770
September 11th, 2022 187 531 718
September 4th, 2022 206 553 759
August 28th, 2022 176 542 718
August 21st, 2022 201 532 733
August 14th, 2022 181 531 712
August 7th, 2022 189 552 741
July 31st, 2022 196 548 744
July 24th, 2022 215 568 783
July 17th, 2022 187 552 739
July 10th, 2022 182 550 732
July 3rd, 2022 194 561 755
June 26th, 2022 198 571 769
June 19th, 2022 176 531 707
June 12th, 2022 180 571 751
June 5th, 2022 202 543 745
May 29th, 2022 184 579 763
May 22nd, 2022 190 587 777
May 15th, 2022 185 578 763
May 8th, 2022 195 570 765
May 1st, 2022 174 558 732
April 24th, 2022 182 579 761
April 17th, 2022 181 574 755
April 10th, 2022 184 565 749
April 3rd, 2022 190 562 752
March 27th, 2022 209 568 777
March 20th, 2022 211 578 789
March 13th, 2022 213 582 795
March 6th, 2022 218 586 804
February 27th, 2022 204 528 732
February 20th, 2022 220 582 802
February 13th, 2022 237 589 826
February 6th, 2022 207 579 786
January 30th, 2022 232 611 843
January 23rd, 2022 226 618 844
January 16th, 2022 210 613 823
January 9th, 2022 216 611 827
January 2nd, 2022 223 602 825
December 26th, 2021 209 571 780
December 19th, 2021 231 598 829
December 12th, 2021 225 605 830
December 5th, 2021 214 609 823
November 28th, 2021 256 633 889
November 21st, 2021 251 599 850
November 14th, 2021 255 620 875
November 7th, 2021 248 636 884
October 31st, 2021 243 629 872
October 24th, 2021 213 643 856
October 17th, 2021 253 658 911
October 10th, 2021 227 656 883
October 3rd, 2021 236 659 895
September 26th, 2021 228 672 900
September 19th, 2021 220 662 882
September 12th, 2021 228 644 872
September 5th, 2021 271 651 922
August 29th, 2021 272 626 898
August 22nd, 2021 254 648 902
August 15th, 2021 247 660 907
August 8th, 2021 246 657 903
August 1st, 2021 249 656 905
July 25th, 2021 226 688 914
July 18th, 2021 230 667 897
July 11th, 2021 240 620 860
July 4th, 2021 236 616 852
June 27th, 2021 260 651 911
June 20th, 2021 250 617 867
June 13th, 2021 247 663 910
June 6th, 2021 279 636 915
May 30th, 2021 251 655 906
May 23rd, 2021 246 656 902
May 16th, 2021 258 646 904
May 9th, 2021 265 638 903
May 2nd, 2021 264 640 904
April 25th, 2021 255 657 912
April 18th, 2021 294 713 1007
April 11th, 2021 265 672 937
April 4th, 2021 273 661 934
March 28th, 2021 291 653 944
March 21st, 2021 250 670 920
March 14th, 2021 281 652 933
March 7th, 2021 257 669 926
February 28th, 2021 271 685 956
February 21st, 2021 266 673 939
February 14th, 2021 271 670 941
February 7th, 2021 301 670 971
January 31st, 2021 293 658 951
January 24th, 2021 311 653 964
January 17th, 2021 297 665 962
January 10th, 2021 296 665 961
January 3rd, 2021 302 674 976
December 27th, 2020 260 633 893
December 20th, 2020 273 646 919
December 13th, 2020 288 695 983
December 6th, 2020 311 692 1003
November 29th, 2020 303 684 987
November 22nd, 2020 301 681 982
November 15th, 2020 283 685 968
November 8th, 2020 267 674 941
November 1st, 2020 262 664 926
October 25th, 2020 290 689 979
October 18th, 2020 302 698 1000
October 11th, 2020 295 707 1002
October 4th, 2020 290 685 975
September 27th, 2020 309 705 1014
September 20th, 2020 317 700 1017
September 13th, 2020 269 713 982
September 6th, 2020 273 713 986
August 30th, 2020 278 702 980
August 23rd, 2020 304 693 997
August 16th, 2020 287 700 987
August 9th, 2020 260 733 993
August 2nd, 2020 266 735 1001
July 26th, 2020 275 720 995
July 19th, 2020 275 730 1005
July 12th, 2020 309 753 1062
July 5th, 2020 297 747 1044
June 28th, 2020 290 760 1050
June 21st, 2020 350 753 1103
June 14th, 2020 365 740 1105
June 7th, 2020 367 731 1098
May 31st, 2020 343 769 1112
May 24th, 2020 404 742 1146
May 17th, 2020 388 722 1110
May 10th, 2020 314 724 1038
May 3rd, 2020 348 718 1066
April 26th, 2020 347 725 1072
April 19th, 2020 340 700 1040
April 12th, 2020 322 716 1038
April 5th, 2020 337 728 1065
March 29th, 2020 377 765 1142
March 22nd, 2020 458 759 1217
March 15th, 2020 373 774 1147
March 8th, 2020 382 746 1128
March 1st, 2020 352 772 1124
February 23rd, 2020 341 780 1121
February 16th, 2020 333 760 1093
February 9th, 2020 389 760 1149
February 2nd, 2020 315 749 1064
January 26th, 2020 336 751 1087
January 19th, 2020 306 743 1049
January 12th, 2020 299 739 1038
January 5th, 2020 299 740 1039
December 29th, 2019 350 694 1044
December 22nd, 2019 278 673 951
December 15th, 2019 317 758 1075
December 8th, 2019 327 762 1089
December 1st, 2019 298 791 1089
November 24th, 2019 320 768 1088
November 17th, 2019 311 783 1094
November 10th, 2019 283 753 1036
November 3rd, 2019 327 753 1080
October 27th, 2019 368 784 1152
October 20th, 2019 264 855 1119
October 13th, 2019 271 847 1118
October 6th, 2019 273 853 1126
September 29th, 2019 284 835 1119
September 22nd, 2019 274 842 1116
September 15th, 2019 307 817 1124
September 8th, 2019 288 826 1114
September 1st, 2019 296 804 1100
August 25th, 2019 308 838 1146
August 18th, 2019 276 804 1080
August 11th, 2019 290 781 1071
August 4th, 2019 314 794 1108
July 28th, 2019 302 829 1131
July 21st, 2019 292 798 1090
July 14th, 2019 336 826 1162
July 7th, 2019 305 816 1121
June 30th, 2019 375 766 1141
June 23rd, 2019 374 782 1156
June 16th, 2019 373 772 1145
June 9th, 2019 342 807 1149
June 2nd, 2019 374 837 1211
May 26th, 2019 418 790 1208
May 19th, 2019 358 804 1162
May 12th, 2019 351 845 1196
May 5th, 2019 345 829 1174
April 28th, 2019 380 801 1181
April 21st, 2019 397 792 1189
April 14th, 2019 402 751 1153
April 7th, 2019 356 751 1107
March 31st, 2019 386 805 1191
March 24th, 2019 404 826 1230
March 17th, 2019 394 937 1331
March 10th, 2019 396 765 1161
March 3rd, 2019 392 739 1131
February 24th, 2019 373 767 1140
February 17th, 2019 419 791 1210
February 10th, 2019 378 725 1103
February 3rd, 2019 379 701 1080
January 27th, 2019 381 719 1100
January 20th, 2019 358 681 1039
January 13th, 2019 388 695 1083
January 6th, 2019 343 676 1019
December 30th, 2018 323 602 925
December 23rd, 2018 304 595 899
December 16th, 2018 362 666 1028
December 9th, 2018 343 661 1004
December 2nd, 2018 354 689 1043
November 25th, 2018 344 642 986
November 18th, 2018 334 652 986
November 11th, 2018 375 678 1053
November 4th, 2018 453 672 1125
October 28th, 2018 459 662 1121
October 21st, 2018 378 686 1064
October 14th, 2018 380 671 1051
October 7th, 2018 342 665 1007
September 30th, 2018 374 652 1026
September 23rd, 2018 402 632 1034
September 16th, 2018 387 646 1033
September 9th, 2018 427 615 1042
September 2nd, 2018 393 628 1021
August 26th, 2018 424 631 1055
August 19th, 2018 435 586 1021
August 12th, 2018 462 575 1037
August 5th, 2018 430 600 1030
July 29th, 2018 454 602 1056
July 22nd, 2018 432 604 1036
July 15th, 2018 389 570 959
July 8th, 2018 397 594 991
July 1st, 2018 327 521 848
June 24th, 2018 432 588 1020
June 17th, 2018 499 592 1091
June 10th, 2018 562 584 1146
June 3rd, 2018 535 586 1121
May 27th, 2018 454 574 1028
May 20th, 2018 388 572 960
May 13th, 2018 379 574 953
May 6th, 2018 406 563 969
April 29th, 2018 381 578 959
April 22nd, 2018 427 607 1034
April 15th, 2018 389 595 984
April 8th, 2018 528 554 1082
April 1st, 2018 582 570 1152
March 25th, 2018 513 586 1099
March 18th, 2018 488 582 1070
March 11th, 2018 555 554 1109
March 4th, 2018 487 578 1065
February 25th, 2018 567 564 1131
February 18th, 2018 524 527 1051
February 11th, 2018 458 542 1000
February 4th, 2018 460 572 1032
January 28th, 2018 595 533 1128
January 21st, 2018 548 519 1067
January 14th, 2018 523 511 1034
January 7th, 2018 513 515 1028
December 31st, 2017 544 491 1035
December 24th, 2017 532 446 978
December 17th, 2017 843 497 1340
December 10th, 2017 1104 490 1594
December 3rd, 2017 2214 515 2729
November 26th, 2017 1074 571 1645
November 19th, 2017 741 581 1322
November 12th, 2017 1254 541 1795
November 5th, 2017 1250 514 1764
October 29th, 2017 1246 498 1744
October 22nd, 2017 1221 551 1772
October 15th, 2017 1083 589 1672
October 8th, 2017 1474 611 2085
October 1st, 2017 1398 771 2169
September 24th, 2017 1693 777 2470
September 17th, 2017 2111 630 2741
September 10th, 2017 1912 547 2459
September 3rd, 2017 2078 477 2555
August 27th, 2017 1759 457 2216
August 20th, 2017 1805 480 2285
August 13th, 2017 1725 432 2157
August 6th, 2017 1539 484 2023
July 30th, 2017 2407 485 2892
July 23rd, 2017 2793 471 3264
July 16th, 2017 2356 483 2839
July 9th, 2017 2271 520 2791
July 2nd, 2017 2046 450 2496
June 25th, 2017 2148 446 2594
June 18th, 2017 2435 427 2862
June 11th, 2017 2219 453 2672
June 4th, 2017 2442 418 2860
May 28th, 2017 1989 416 2405
May 21st, 2017 2316 410 2726
May 14th, 2017 1683 435 2118
May 7th, 2017 1950 439 2389
April 30th, 2017 1758 395 2153
April 23rd, 2017 2275 393 2668
April 16th, 2017 2499 396 2895
April 9th, 2017 2742 452 3194
April 2nd, 2017 2626 428 3054
March 26th, 2017 2706 430 3136
March 19th, 2017 1772 421 2193
March 12th, 2017 1467 376 1843
March 5th, 2017 1991 359 2350
February 26th, 2017 1659 384 2043
February 19th, 2017 1663 384 2047
February 12th, 2017 1715 372 2087
February 5th, 2017 1672 317 1989
January 29th, 2017 1818 308 2126
January 22nd, 2017 1071 293 1364
January 15th, 2017 607 330 937
January 8th, 2017 800 300 1100
January 1st, 2017 845 290 1135
December 25th, 2016 702 252 954
December 18th, 2016 692 300 992
December 11th, 2016 874 336 1210
December 4th, 2016 743 332 1075
November 27th, 2016 578 338 916
November 20th, 2016 595 364 959
November 13th, 2016 515 396 911
November 6th, 2016 515 298 813
October 30th, 2016 612 297 909
October 23rd, 2016 500 272 772
October 16th, 2016 533 250 783
October 9th, 2016 499 259 758
October 2nd, 2016 437 296 733
September 25th, 2016 601 266 867
September 18th, 2016 589 249 838
September 11th, 2016 568 237 805
September 4th, 2016 663 242 905
August 28th, 2016 597 254 851
August 21st, 2016 816 249 1065
August 14th, 2016 720 237 957
August 7th, 2016 567 228 795
July 31st, 2016 796 247 1043
July 24th, 2016 904 248 1152
July 17th, 2016 1017 244 1261
July 10th, 2016 933 235 1168
July 3rd, 2016 545 224 769
June 26th, 2016 656 218 874
June 19th, 2016 647 236 883
June 12th, 2016 579 242 821
June 5th, 2016 557 249 806
May 29th, 2016 681 266 947
May 22nd, 2016 725 197 922
May 15th, 2016 741 270 1011
May 8th, 2016 571 255 826
May 1st, 2016 599 238 837
April 24th, 2016 523 291 814
April 17th, 2016 600 298 898
April 10th, 2016 511 320 831
April 3rd, 2016 653 325 978
March 27th, 2016 695 240 935
March 20th, 2016 523 246 769
March 13th, 2016 525 244 769
March 6th, 2016 539 199 738
February 28th, 2016 597 194 791
February 21st, 2016 639 182 821
February 14th, 2016 580 160 740
February 7th, 2016 647 189 836
January 31st, 2016 908 166 1074
January 24th, 2016 977 210 1187
January 17th, 2016 710 169 879
January 10th, 2016 559 156 715
January 3rd, 2016 758 123 881
December 27th, 2015 776 73 849
December 20th, 2015 558 76 634
December 13th, 2015 587 87 674
December 6th, 2015 608 131 739
November 29th, 2015 555 85 640
November 22nd, 2015 553 126 679
November 15th, 2015 708 50 758
November 8th, 2015 578 6 584
November 1st, 2015 628 5 633
October 25th, 2015 590 2 592
October 18th, 2015 585 2 587
October 11th, 2015 520 1 521
October 4th, 2015 549 0 549
September 27th, 2015 575 0 575
September 20th, 2015 427 0 427
September 13th, 2015 679 0 679
September 6th, 2015 947 0 947
August 30th, 2015 808 0 808
August 23rd, 2015 1086 0 1086
August 16th, 2015 845 0 845
August 9th, 2015 712 0 712
August 2nd, 2015 775 0 775
July 26th, 2015 900 0 900
July 19th, 2015 657 0 657
July 12th, 2015 780 0 780
July 5th, 2015 495 0 495
June 28th, 2015 623 0 623
June 21st, 2015 609 0 609
June 14th, 2015 679 0 679
June 7th, 2015 592 0 592
May 31st, 2015 512 0 512
May 24th, 2015 355 0 355
May 17th, 2015 519 0 519
May 10th, 2015 425 0 425
May 3rd, 2015 394 0 394
April 26th, 2015 436 0 436
April 19th, 2015 350 0 350
April 12th, 2015 303 0 303
April 5th, 2015 231 0 231
March 29th, 2015 379 0 379
March 22nd, 2015 352 0 352
March 15th, 2015 381 0 381
March 8th, 2015 247 0 247
March 1st, 2015 247 0 247
February 22nd, 2015 266 0 266
February 15th, 2015 487 0 487
February 8th, 2015 332 0 332
February 1st, 2015 170 0 170
January 25th, 2015 193 0 193
January 18th, 2015 168 0 168
January 11th, 2015 80 0 80
January 4th, 2015 161 0 161
December 28th, 2014 101 0 101
December 21st, 2014 123 0 123
December 14th, 2014 72 0 72
December 7th, 2014 40 0 40
November 30th, 2014 38 0 38
November 23rd, 2014 103 0 103
November 16th, 2014 131 0 131
November 9th, 2014 29 0 29
November 2nd, 2014 26 0 26
October 26th, 2014 27 0 27
October 19th, 2014 63 0 63
October 12th, 2014 121 0 121
October 5th, 2014 67 0 67
September 28th, 2014 12 0 12
September 21st, 2014 11 0 11
September 14th, 2014 30 0 30
September 7th, 2014 12 0 12
August 31st, 2014 33 0 33
August 24th, 2014 16 0 16
August 17th, 2014 14 0 14
August 10th, 2014 67 0 67
August 3rd, 2014 59 0 59
July 27th, 2014 69 0 69
July 20th, 2014 5 0 5
July 13th, 2014 24 0 24
July 6th, 2014 208 0 208
June 29th, 2014 173 0 173
June 22nd, 2014 204 0 204
June 15th, 2014 8 0 8
June 8th, 2014 18 0 18
June 1st, 2014 3 0 3
May 25th, 2014 12 0 12
May 18th, 2014 3 0 3
May 11th, 2014 11 0 11
May 4th, 2014 3 0 3
April 27th, 2014 19 0 19

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.x-dev 22 26 24 22 24 21
7.x-1.0 1 1 1 1 1 1
7.x-1.1 0 0 0 0 0 1
7.x-1.3 1 2 2 2 2 2
7.x-1.6 8 10 9 6 5 9
7.x-1.7 14 15 14 12 15 13
7.x-1.8 0 10 0 0 0 6
7.x-1.10 28 28 26 26 27 27
7.x-2.x-dev 2 2 2 2 2 2
7.x-2.11 1 1 1 1 1 1
7.x-2.16 12 15 17 15 16 18
7.x-2.17 226 210 209 197 224 213

Only Drupal websites using the Update Status module are included in the data. Read more information about how these statistics are calculated.