This page provides information about the usage of the Critical CSS 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.

Critical CSS project page
Usage statistics for all projects

Week starting 2.0.x 8.x-1.x Total
May 31st, 2026 2069 292 2361
May 24th, 2026 2040 295 2335
May 17th, 2026 2156 400 2556
May 10th, 2026 1945 337 2282
May 3rd, 2026 2089 334 2423
April 26th, 2026 2046 339 2385
April 19th, 2026 2207 363 2570
April 12th, 2026 2533 378 2911
April 5th, 2026 2122 366 2488
March 29th, 2026 2229 350 2579
March 22nd, 2026 2310 418 2728
March 15th, 2026 2217 483 2700
March 8th, 2026 2163 442 2605
February 22nd, 2026 2249 447 2696
February 15th, 2026 2059 452 2511
February 8th, 2026 1970 481 2451
February 1st, 2026 1901 464 2365
January 25th, 2026 1948 473 2421
January 18th, 2026 1888 453 2341
January 11th, 2026 1864 495 2359
January 4th, 2026 1698 469 2167
December 28th, 2025 1389 454 1843
December 21st, 2025 1475 468 1943
December 14th, 2025 1794 477 2271
December 7th, 2025 1812 471 2283
November 30th, 2025 1703 485 2188
November 23rd, 2025 1593 468 2061
November 16th, 2025 1827 498 2325
November 9th, 2025 1760 510 2270
November 2nd, 2025 1659 515 2174
October 26th, 2025 1580 515 2095
October 19th, 2025 1600 520 2120
October 12th, 2025 1717 512 2229
October 5th, 2025 1682 551 2233
September 28th, 2025 1526 550 2076
September 21st, 2025 1424 538 1962
September 14th, 2025 1500 528 2028
September 7th, 2025 1478 558 2036
August 31st, 2025 1417 545 1962
August 24th, 2025 1471 537 2008
August 17th, 2025 1425 550 1975
August 10th, 2025 1329 539 1868
August 3rd, 2025 1367 558 1925
July 27th, 2025 1340 608 1948
July 20th, 2025 1396 589 1985
July 13th, 2025 1405 599 2004
July 6th, 2025 1369 639 2008
June 29th, 2025 1304 622 1926
June 22nd, 2025 1374 633 2007
June 15th, 2025 1389 604 1993
June 8th, 2025 1346 606 1952
June 1st, 2025 1368 645 2013
May 25th, 2025 1377 624 2001
May 18th, 2025 1247 660 1907
May 11th, 2025 1235 644 1879
May 4th, 2025 1279 644 1923
April 27th, 2025 1215 668 1883
April 20th, 2025 1194 687 1881
April 13th, 2025 1083 675 1758
April 6th, 2025 1225 743 1968
March 30th, 2025 1195 684 1879
March 23rd, 2025 1202 728 1930
March 16th, 2025 1150 735 1885
March 9th, 2025 1106 676 1782
March 2nd, 2025 1102 678 1780
February 23rd, 2025 1046 692 1738
February 16th, 2025 1060 697 1757
February 9th, 2025 1122 769 1891
February 2nd, 2025 957 744 1701
January 26th, 2025 935 794 1729
January 19th, 2025 873 787 1660
January 12th, 2025 889 802 1691
January 5th, 2025 812 795 1607
December 29th, 2024 647 721 1368
December 22nd, 2024 616 691 1307
December 15th, 2024 793 825 1618
December 8th, 2024 860 869 1729
December 1st, 2024 780 851 1631
November 24th, 2024 815 903 1718
November 17th, 2024 764 939 1703
November 10th, 2024 768 967 1735
November 3rd, 2024 732 983 1715
October 27th, 2024 697 1058 1755
October 20th, 2024 718 1027 1745
October 13th, 2024 708 1088 1796
October 6th, 2024 614 1061 1675
September 29th, 2024 505 1070 1575
September 22nd, 2024 506 1088 1594
September 15th, 2024 562 1075 1637
September 8th, 2024 491 1098 1589
September 1st, 2024 467 1099 1566
August 25th, 2024 492 1105 1597
August 18th, 2024 483 1006 1489
August 11th, 2024 417 1017 1434
August 4th, 2024 404 1059 1463
July 28th, 2024 384 1031 1415
July 21st, 2024 378 1092 1470
July 14th, 2024 321 1035 1356
July 7th, 2024 260 906 1166
June 30th, 2024 370 1167 1537
June 23rd, 2024 378 1160 1538
June 16th, 2024 345 1199 1544
June 9th, 2024 353 1137 1490
June 2nd, 2024 331 1219 1550
May 26th, 2024 325 1212 1537
May 19th, 2024 245 1151 1396
May 12th, 2024 244 1215 1459
May 5th, 2024 231 1173 1404
April 28th, 2024 246 1219 1465
April 21st, 2024 223 1276 1499
April 14th, 2024 216 1316 1532
April 7th, 2024 204 1278 1482
March 31st, 2024 192 1277 1469
March 24th, 2024 183 1270 1453
March 17th, 2024 183 1353 1536
March 10th, 2024 167 1324 1491
March 3rd, 2024 138 1403 1541
February 25th, 2024 143 1416 1559
February 18th, 2024 119 1445 1564
February 11th, 2024 92 1528 1620
February 4th, 2024 71 1518 1589
January 28th, 2024 67 1563 1630
January 21st, 2024 67 1598 1665
January 14th, 2024 16 1495 1511
January 7th, 2024 0 1600 1600
December 31st, 2023 0 1489 1489
December 24th, 2023 0 1319 1319
December 17th, 2023 0 1536 1536
December 10th, 2023 0 1539 1539
December 3rd, 2023 0 1533 1533
November 26th, 2023 0 1537 1537
November 19th, 2023 0 1493 1493
November 12th, 2023 0 1551 1551
November 5th, 2023 0 1592 1592
October 29th, 2023 0 1632 1632
October 22nd, 2023 0 1632 1632
October 15th, 2023 0 1594 1594
October 8th, 2023 0 1600 1600
October 1st, 2023 0 1561 1561
September 24th, 2023 0 1596 1596
September 17th, 2023 0 1581 1581
September 10th, 2023 0 1505 1505
September 3rd, 2023 0 1499 1499
August 27th, 2023 0 1482 1482
August 20th, 2023 0 1489 1489
August 13th, 2023 0 1438 1438
August 6th, 2023 0 1668 1668
July 30th, 2023 0 1448 1448
July 23rd, 2023 0 1457 1457
July 16th, 2023 0 1457 1457
July 9th, 2023 0 1461 1461
July 2nd, 2023 0 1363 1363
June 25th, 2023 0 1376 1376
June 18th, 2023 0 1385 1385
June 11th, 2023 0 1404 1404
June 4th, 2023 0 1387 1387
May 28th, 2023 0 1399 1399
May 21st, 2023 0 1427 1427
May 14th, 2023 0 1413 1413
May 7th, 2023 0 1389 1389
April 30th, 2023 0 1399 1399
April 23rd, 2023 0 1448 1448
April 16th, 2023 0 1471 1471
April 9th, 2023 0 1348 1348
April 2nd, 2023 0 1487 1487
March 26th, 2023 0 1465 1465
March 19th, 2023 0 1497 1497
March 12th, 2023 0 1439 1439
March 5th, 2023 0 1475 1475
February 26th, 2023 0 1370 1370
February 19th, 2023 0 1403 1403
February 12th, 2023 0 1424 1424
February 5th, 2023 0 1398 1398
January 29th, 2023 0 1429 1429
January 22nd, 2023 0 1458 1458
January 15th, 2023 0 1359 1359
January 8th, 2023 0 1399 1399
January 1st, 2023 0 1270 1270
December 25th, 2022 0 1166 1166
December 18th, 2022 0 1247 1247
December 11th, 2022 0 1355 1355
December 4th, 2022 0 1302 1302
November 27th, 2022 0 1332 1332
November 20th, 2022 0 1307 1307
November 13th, 2022 0 1326 1326
November 6th, 2022 0 1374 1374
October 30th, 2022 0 1369 1369
October 23rd, 2022 0 1351 1351
October 16th, 2022 0 1352 1352
October 9th, 2022 0 1351 1351
October 2nd, 2022 0 1384 1384
September 25th, 2022 0 1423 1423
September 18th, 2022 0 1369 1369
September 11th, 2022 0 1318 1318
September 4th, 2022 0 1364 1364
August 28th, 2022 0 1304 1304
August 21st, 2022 0 1339 1339
August 14th, 2022 0 1296 1296
August 7th, 2022 0 1338 1338
July 31st, 2022 0 1338 1338
July 24th, 2022 0 1372 1372
July 17th, 2022 0 1380 1380
July 10th, 2022 0 1344 1344
July 3rd, 2022 0 1306 1306
June 26th, 2022 0 1417 1417
June 19th, 2022 0 1381 1381
June 12th, 2022 0 1497 1497
June 5th, 2022 0 1418 1418
May 29th, 2022 0 1481 1481
May 22nd, 2022 0 1454 1454
May 15th, 2022 0 1479 1479
May 8th, 2022 0 1499 1499
May 1st, 2022 0 1373 1373
April 24th, 2022 0 1435 1435
April 17th, 2022 0 1404 1404
April 10th, 2022 0 1360 1360
April 3rd, 2022 0 1358 1358
March 27th, 2022 0 1441 1441
March 20th, 2022 0 1416 1416
March 13th, 2022 0 1400 1400
March 6th, 2022 0 1423 1423
February 27th, 2022 0 1289 1289
February 20th, 2022 0 1409 1409
February 13th, 2022 0 1457 1457
February 6th, 2022 0 1541 1541
January 30th, 2022 0 1557 1557
January 23rd, 2022 0 1579 1579
January 16th, 2022 0 1544 1544
January 9th, 2022 0 1532 1532
January 2nd, 2022 0 1375 1375
December 26th, 2021 0 1201 1201
December 19th, 2021 0 1360 1360
December 12th, 2021 0 1447 1447
December 5th, 2021 0 1338 1338
November 28th, 2021 0 1386 1386
November 21st, 2021 0 1396 1396
November 14th, 2021 0 1430 1430
November 7th, 2021 0 1334 1334
October 31st, 2021 0 1399 1399
October 24th, 2021 0 1448 1448
October 17th, 2021 0 1433 1433
October 10th, 2021 0 1356 1356
October 3rd, 2021 0 1394 1394
September 26th, 2021 0 1312 1312
September 19th, 2021 0 1325 1325
September 12th, 2021 0 1320 1320
September 5th, 2021 0 1262 1262
August 29th, 2021 0 1254 1254
August 22nd, 2021 0 1305 1305
August 15th, 2021 0 1238 1238
August 8th, 2021 0 1245 1245
August 1st, 2021 0 1154 1154
July 25th, 2021 0 1105 1105
July 18th, 2021 0 1087 1087
July 11th, 2021 0 1084 1084
July 4th, 2021 0 1077 1077
June 27th, 2021 0 1118 1118
June 20th, 2021 0 1154 1154
June 13th, 2021 0 1320 1320
June 6th, 2021 0 1203 1203
May 30th, 2021 0 1136 1136
May 23rd, 2021 0 1092 1092
May 16th, 2021 0 1155 1155
May 9th, 2021 0 1242 1242
May 2nd, 2021 0 1052 1052
April 25th, 2021 0 1107 1107
April 18th, 2021 0 1046 1046
April 11th, 2021 0 1026 1026
April 4th, 2021 0 1040 1040
March 28th, 2021 0 1045 1045
March 21st, 2021 0 1110 1110
March 14th, 2021 0 1022 1022
March 7th, 2021 0 1045 1045
February 28th, 2021 0 1073 1073
February 21st, 2021 0 993 993
February 14th, 2021 0 1045 1045
February 7th, 2021 0 1079 1079
January 31st, 2021 0 951 951
January 24th, 2021 0 1172 1172
January 17th, 2021 0 950 950
January 10th, 2021 0 1005 1005
January 3rd, 2021 0 991 991
December 27th, 2020 0 801 801
December 20th, 2020 0 1002 1002
December 13th, 2020 0 940 940
December 6th, 2020 0 834 834
November 29th, 2020 0 814 814
November 22nd, 2020 0 819 819
November 15th, 2020 0 832 832
November 8th, 2020 0 829 829
November 1st, 2020 0 813 813
October 25th, 2020 0 783 783
October 18th, 2020 0 770 770
October 11th, 2020 0 762 762
October 4th, 2020 0 760 760
September 27th, 2020 0 810 810
September 20th, 2020 0 784 784
September 13th, 2020 0 767 767
September 6th, 2020 0 771 771
August 30th, 2020 0 747 747
August 23rd, 2020 0 744 744
August 16th, 2020 0 726 726
August 9th, 2020 0 748 748
August 2nd, 2020 0 731 731
July 26th, 2020 0 764 764
July 19th, 2020 0 814 814
July 12th, 2020 0 809 809
July 5th, 2020 0 849 849
June 28th, 2020 0 816 816
June 21st, 2020 0 890 890
June 14th, 2020 0 873 873
June 7th, 2020 0 782 782
May 31st, 2020 0 750 750
May 24th, 2020 0 718 718
May 17th, 2020 0 696 696
May 10th, 2020 0 685 685
May 3rd, 2020 0 640 640
April 26th, 2020 0 629 629
April 19th, 2020 0 614 614
April 12th, 2020 0 591 591
April 5th, 2020 0 623 623
March 29th, 2020 0 619 619
March 22nd, 2020 0 592 592
March 15th, 2020 0 695 695
March 8th, 2020 0 529 529
March 1st, 2020 0 537 537
February 23rd, 2020 0 518 518
February 16th, 2020 0 491 491
February 9th, 2020 0 480 480
February 2nd, 2020 0 488 488
January 26th, 2020 0 488 488
January 19th, 2020 0 472 472
January 12th, 2020 0 431 431
January 5th, 2020 0 409 409
December 29th, 2019 0 339 339
December 22nd, 2019 0 343 343
December 15th, 2019 0 408 408
December 8th, 2019 0 407 407
December 1st, 2019 0 388 388
November 24th, 2019 0 387 387
November 17th, 2019 0 380 380
November 10th, 2019 0 377 377
November 3rd, 2019 0 381 381
October 27th, 2019 0 367 367
October 20th, 2019 0 335 335
October 13th, 2019 0 328 328
October 6th, 2019 0 330 330
September 29th, 2019 0 332 332
September 22nd, 2019 0 346 346
September 15th, 2019 0 330 330
September 8th, 2019 0 316 316
September 1st, 2019 0 343 343
August 25th, 2019 0 332 332
August 18th, 2019 0 616 616
August 11th, 2019 0 586 586
August 4th, 2019 0 709 709
July 28th, 2019 0 1173 1173
July 21st, 2019 0 744 744
July 14th, 2019 0 540 540
July 7th, 2019 0 510 510
June 30th, 2019 0 676 676
June 23rd, 2019 0 752 752
June 16th, 2019 0 677 677
June 9th, 2019 0 1092 1092
June 2nd, 2019 0 827 827
May 26th, 2019 0 869 869
May 19th, 2019 0 683 683
May 12th, 2019 0 728 728
May 5th, 2019 0 479 479
April 28th, 2019 0 557 557
April 21st, 2019 0 397 397
April 14th, 2019 0 286 286
April 7th, 2019 0 292 292
March 31st, 2019 0 308 308
March 24th, 2019 0 290 290
March 17th, 2019 0 243 243
March 10th, 2019 0 212 212
March 3rd, 2019 0 458 458
February 24th, 2019 0 373 373
February 17th, 2019 0 733 733
February 10th, 2019 0 484 484
February 3rd, 2019 0 436 436
January 27th, 2019 0 322 322
January 20th, 2019 0 388 388
January 13th, 2019 0 299 299
January 6th, 2019 0 274 274
December 30th, 2018 0 295 295
December 23rd, 2018 0 118 118
December 16th, 2018 0 598 598
December 9th, 2018 0 839 839
December 2nd, 2018 0 596 596
November 25th, 2018 0 1123 1123
November 18th, 2018 0 1377 1377
November 11th, 2018 0 928 928
November 4th, 2018 0 632 632
October 28th, 2018 0 525 525
October 21st, 2018 0 799 799
October 14th, 2018 0 637 637
October 7th, 2018 0 369 369
September 30th, 2018 0 438 438
September 23rd, 2018 0 656 656
September 16th, 2018 0 957 957
September 9th, 2018 0 651 651
September 2nd, 2018 0 555 555
August 26th, 2018 0 602 602
August 19th, 2018 0 483 483
August 12th, 2018 0 232 232
August 5th, 2018 0 235 235
July 29th, 2018 0 342 342
July 22nd, 2018 0 228 228
July 15th, 2018 0 127 127
July 8th, 2018 0 398 398
July 1st, 2018 0 123 123
June 24th, 2018 0 82 82
June 17th, 2018 0 49 49
June 10th, 2018 0 46 46
June 3rd, 2018 0 49 49
May 27th, 2018 0 42 42
May 20th, 2018 0 35 35
May 13th, 2018 0 34 34
May 6th, 2018 0 37 37
April 29th, 2018 0 36 36
April 22nd, 2018 0 38 38
April 15th, 2018 0 34 34
April 8th, 2018 0 28 28
April 1st, 2018 0 28 28
March 25th, 2018 0 29 29
March 18th, 2018 0 26 26
March 11th, 2018 0 23 23
March 4th, 2018 0 23 23
February 25th, 2018 0 19 19
February 18th, 2018 0 16 16
February 11th, 2018 0 14 14
February 4th, 2018 0 19 19
January 28th, 2018 0 18 18
January 21st, 2018 0 14 14
January 14th, 2018 0 9 9
January 7th, 2018 0 11 11
December 31st, 2017 0 11 11
December 24th, 2017 0 9 9
December 17th, 2017 0 9 9
December 10th, 2017 0 8 8
December 3rd, 2017 0 4 4
November 26th, 2017 0 4 4
November 19th, 2017 0 4 4
November 12th, 2017 0 3 3
November 5th, 2017 0 3 3

Recent release usage

Release May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026 May 3rd, 2026
2.0.0 63 63 65 65 66
2.0.2 2 1 2 1 2
2.0.3 2004 1976 2089 1879 2021
8.x-1.8 5 8 7 5 5
8.x-1.10 4 4 4 4 4
8.x-1.12 16 13 15 14 17
8.x-1.16 25 26 27 27 25
8.x-1.17 68 67 67 68 63
8.x-1.18 18 15 14 16 14
8.x-1.19 73 75 180 124 130
8.x-1.20 83 87 86 79 76

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