This page provides information about the usage of the CKEditor Accessibility Checker 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.

CKEditor Accessibility Checker project page
Usage statistics for all projects

Week starting 8.x-1.x 2.0.x 3.0.x Total
June 14th, 2026 48 164 268 480
June 7th, 2026 46 164 251 461
May 31st, 2026 47 184 255 486
May 24th, 2026 49 176 256 481
May 17th, 2026 45 171 314 530
May 10th, 2026 54 164 264 482
May 3rd, 2026 46 160 245 451
April 26th, 2026 54 162 253 469
April 19th, 2026 50 173 266 489
April 12th, 2026 60 176 293 529
April 5th, 2026 53 171 263 487
March 29th, 2026 51 176 242 469
March 22nd, 2026 58 175 236 469
March 15th, 2026 53 164 245 462
March 8th, 2026 51 179 255 485
February 22nd, 2026 62 146 244 452
February 15th, 2026 58 143 276 477
February 8th, 2026 65 173 251 489
February 1st, 2026 62 182 274 518
January 25th, 2026 58 189 260 507
January 18th, 2026 100 160 238 498
January 11th, 2026 97 188 218 503
January 4th, 2026 62 172 230 464
December 28th, 2025 57 171 182 410
December 21st, 2025 57 182 199 438
December 14th, 2025 61 189 263 513
December 7th, 2025 59 202 284 545
November 30th, 2025 63 205 260 528
November 23rd, 2025 63 186 249 498
November 16th, 2025 64 188 270 522
November 9th, 2025 65 183 278 526
November 2nd, 2025 59 194 285 538
October 26th, 2025 61 179 296 536
October 19th, 2025 57 192 314 563
October 12th, 2025 59 207 341 607
October 5th, 2025 58 166 311 535
September 28th, 2025 56 198 317 571
September 21st, 2025 56 223 331 610
September 14th, 2025 98 224 335 657
September 7th, 2025 99 225 344 668
August 31st, 2025 107 202 321 630
August 24th, 2025 102 206 322 630
August 17th, 2025 93 203 316 612
August 10th, 2025 96 210 297 603
August 3rd, 2025 110 219 341 670
July 27th, 2025 106 218 372 696
July 20th, 2025 108 236 335 679
July 13th, 2025 108 240 342 690
July 6th, 2025 100 233 395 728
June 29th, 2025 114 196 366 676
June 22nd, 2025 109 233 362 704
June 15th, 2025 103 226 368 697
June 8th, 2025 102 224 340 666
June 1st, 2025 103 229 374 706
May 25th, 2025 105 233 340 678
May 18th, 2025 103 232 367 702
May 11th, 2025 103 248 412 763
May 4th, 2025 99 246 362 707
April 27th, 2025 101 248 363 712
April 20th, 2025 110 256 390 756
April 13th, 2025 104 247 377 728
April 6th, 2025 80 258 372 710
March 30th, 2025 92 248 380 720
March 23rd, 2025 84 265 366 715
March 16th, 2025 72 256 373 701
March 9th, 2025 82 283 366 731
March 2nd, 2025 82 257 403 742
February 23rd, 2025 82 261 357 700
February 16th, 2025 84 275 391 750
February 9th, 2025 84 281 375 740
February 2nd, 2025 93 272 360 725
January 26th, 2025 81 288 404 773
January 19th, 2025 85 315 332 732
January 12th, 2025 252 302 328 882
January 5th, 2025 97 321 330 748
December 29th, 2024 85 286 293 664
December 22nd, 2024 75 295 260 630
December 15th, 2024 97 301 327 725
December 8th, 2024 102 306 378 786
December 1st, 2024 89 302 371 762
November 24th, 2024 90 324 337 751
November 17th, 2024 94 388 307 789
November 10th, 2024 93 362 296 751
November 3rd, 2024 91 353 308 752
October 27th, 2024 106 354 334 794
October 20th, 2024 98 356 291 745
October 13th, 2024 99 342 293 734
October 6th, 2024 100 443 286 829
September 29th, 2024 101 474 293 868
September 22nd, 2024 107 669 278 1054
September 15th, 2024 103 818 299 1220
September 8th, 2024 98 773 279 1150
September 1st, 2024 99 747 250 1096
August 25th, 2024 110 885 244 1239
August 18th, 2024 104 969 260 1333
August 11th, 2024 110 648 244 1002
August 4th, 2024 99 762 236 1097
July 28th, 2024 116 790 234 1140
July 21st, 2024 107 737 222 1066
July 14th, 2024 132 838 211 1181
July 7th, 2024 98 525 193 816
June 30th, 2024 147 918 237 1302
June 23rd, 2024 123 1171 218 1512
June 16th, 2024 121 794 213 1128
June 9th, 2024 118 927 196 1241
June 2nd, 2024 125 917 232 1274
May 26th, 2024 122 873 231 1226
May 19th, 2024 119 796 190 1105
May 12th, 2024 136 850 181 1167
May 5th, 2024 132 882 88 1102
April 28th, 2024 133 827 93 1053
April 21st, 2024 165 867 84 1116
April 14th, 2024 165 872 90 1127
April 7th, 2024 165 893 73 1131
March 31st, 2024 177 851 64 1092
March 24th, 2024 190 885 64 1139
March 17th, 2024 176 995 57 1228
March 10th, 2024 188 857 40 1085
March 3rd, 2024 191 916 33 1140
February 25th, 2024 194 990 31 1215
February 18th, 2024 198 1007 22 1227
February 11th, 2024 189 1032 11 1232
February 4th, 2024 187 953 5 1145
January 28th, 2024 198 1085 0 1283
January 21st, 2024 178 1015 0 1193
January 14th, 2024 179 997 0 1176
January 7th, 2024 183 960 0 1143
December 31st, 2023 170 988 0 1158
December 24th, 2023 188 858 0 1046
December 17th, 2023 179 1063 0 1242
December 10th, 2023 345 1170 0 1515
December 3rd, 2023 343 1164 0 1507
November 26th, 2023 341 1230 0 1571
November 19th, 2023 355 1045 0 1400
November 12th, 2023 359 1146 0 1505
November 5th, 2023 367 1186 0 1553
October 29th, 2023 377 1288 0 1665
October 22nd, 2023 373 1318 0 1691
October 15th, 2023 361 1161 0 1522
October 8th, 2023 371 1339 0 1710
October 1st, 2023 378 1332 0 1710
September 24th, 2023 379 1453 0 1832
September 17th, 2023 367 1514 0 1881
September 10th, 2023 380 1445 0 1825
September 3rd, 2023 370 1445 0 1815
August 27th, 2023 379 1507 0 1886
August 20th, 2023 386 1681 0 2067
August 13th, 2023 409 1616 0 2025
August 6th, 2023 502 1894 0 2396
July 30th, 2023 406 1567 0 1973
July 23rd, 2023 389 1591 0 1980
July 16th, 2023 390 1508 0 1898
July 9th, 2023 376 1634 0 2010
July 2nd, 2023 379 1510 0 1889
June 25th, 2023 399 1633 0 2032
June 18th, 2023 427 1592 0 2019
June 11th, 2023 420 1606 0 2026
June 4th, 2023 442 1639 0 2081
May 28th, 2023 439 1583 0 2022
May 21st, 2023 425 1643 0 2068
May 14th, 2023 431 1560 0 1991
May 7th, 2023 438 1821 0 2259
April 30th, 2023 441 1855 0 2296
April 23rd, 2023 461 2120 0 2581
April 16th, 2023 465 1723 0 2188
April 9th, 2023 548 1638 0 2186
April 2nd, 2023 560 1734 0 2294
March 26th, 2023 543 1727 0 2270
March 19th, 2023 598 1887 0 2485
March 12th, 2023 591 1704 0 2295
March 5th, 2023 613 1916 0 2529
February 26th, 2023 590 1889 0 2479
February 19th, 2023 598 2058 0 2656
February 12th, 2023 616 2030 0 2646
February 5th, 2023 609 2001 0 2610
January 29th, 2023 610 2036 0 2646
January 22nd, 2023 635 2034 0 2669
January 15th, 2023 620 2009 0 2629
January 8th, 2023 660 1878 0 2538
January 1st, 2023 649 1906 0 2555
December 25th, 2022 624 1763 0 2387
December 18th, 2022 631 2011 0 2642
December 11th, 2022 630 2065 0 2695
December 4th, 2022 635 2148 0 2783
November 27th, 2022 636 2332 0 2968
November 20th, 2022 654 1667 0 2321
November 13th, 2022 639 1762 0 2401
November 6th, 2022 635 1708 0 2343
October 30th, 2022 629 1777 0 2406
October 23rd, 2022 617 1728 0 2345
October 16th, 2022 611 1728 0 2339
October 9th, 2022 636 1738 0 2374
October 2nd, 2022 625 1682 0 2307
September 25th, 2022 646 1724 0 2370
September 18th, 2022 637 1710 0 2347
September 11th, 2022 644 1538 0 2182
September 4th, 2022 633 1661 0 2294
August 28th, 2022 655 1631 0 2286
August 21st, 2022 633 1641 0 2274
August 14th, 2022 645 1676 0 2321
August 7th, 2022 630 1608 0 2238
July 31st, 2022 637 1563 0 2200
July 24th, 2022 670 1581 0 2251
July 17th, 2022 630 1704 0 2334
July 10th, 2022 670 1499 0 2169
July 3rd, 2022 650 1502 0 2152
June 26th, 2022 672 1576 0 2248
June 19th, 2022 652 1400 0 2052
June 12th, 2022 684 1682 0 2366
June 5th, 2022 683 1563 0 2246
May 29th, 2022 707 1528 0 2235
May 22nd, 2022 707 1575 0 2282
May 15th, 2022 681 1537 0 2218
May 8th, 2022 692 1491 0 2183
May 1st, 2022 688 1476 0 2164
April 24th, 2022 704 1477 0 2181
April 17th, 2022 717 1534 0 2251
April 10th, 2022 709 1484 0 2193
April 3rd, 2022 720 1467 0 2187
March 27th, 2022 750 1475 0 2225
March 20th, 2022 741 1414 0 2155
March 13th, 2022 748 1390 0 2138
March 6th, 2022 796 1402 0 2198
February 27th, 2022 715 1248 0 1963
February 20th, 2022 808 1415 0 2223
February 13th, 2022 808 1380 0 2188
February 6th, 2022 773 1301 0 2074
January 30th, 2022 832 1466 0 2298
January 23rd, 2022 835 1307 0 2142
January 16th, 2022 891 1353 0 2244
January 9th, 2022 877 1191 0 2068
January 2nd, 2022 937 1090 0 2027
December 26th, 2021 852 966 0 1818
December 19th, 2021 937 1441 0 2378
December 12th, 2021 1360 1487 0 2847
December 5th, 2021 1566 1219 0 2785
November 28th, 2021 1567 1118 0 2685
November 21st, 2021 1620 1049 0 2669
November 14th, 2021 1613 1145 0 2758
November 7th, 2021 1597 1046 0 2643
October 31st, 2021 1670 1010 0 2680
October 24th, 2021 1795 1030 0 2825
October 17th, 2021 1901 1193 0 3094
October 10th, 2021 1918 999 0 2917
October 3rd, 2021 1968 1164 0 3132
September 26th, 2021 1852 1033 0 2885
September 19th, 2021 2030 1094 0 3124
September 12th, 2021 1978 1066 0 3044
September 5th, 2021 1903 936 0 2839
August 29th, 2021 2052 807 0 2859
August 22nd, 2021 2038 902 0 2940
August 15th, 2021 2132 695 0 2827
August 8th, 2021 2225 692 0 2917
August 1st, 2021 2120 682 0 2802
July 25th, 2021 2043 632 0 2675
July 18th, 2021 2476 648 0 3124
July 11th, 2021 2217 739 0 2956
July 4th, 2021 2242 1023 0 3265
June 27th, 2021 2266 587 0 2853
June 20th, 2021 2290 376 0 2666
June 13th, 2021 2347 139 0 2486
June 6th, 2021 2282 67 0 2349
May 30th, 2021 2225 36 0 2261
May 23rd, 2021 2494 26 0 2520
May 16th, 2021 2502 37 0 2539
May 9th, 2021 2528 18 0 2546
May 2nd, 2021 2562 1 0 2563
April 25th, 2021 2640 0 0 2640
April 18th, 2021 2657 0 0 2657
April 11th, 2021 2683 0 0 2683
April 4th, 2021 2726 0 0 2726
March 28th, 2021 2572 0 0 2572
March 21st, 2021 2630 0 0 2630
March 14th, 2021 2732 0 0 2732
March 7th, 2021 2799 0 0 2799
February 28th, 2021 2795 0 0 2795
February 21st, 2021 3032 0 0 3032
February 14th, 2021 2934 0 0 2934
February 7th, 2021 2718 0 0 2718
January 31st, 2021 2951 0 0 2951
January 24th, 2021 2806 0 0 2806
January 17th, 2021 2824 0 0 2824
January 10th, 2021 2785 0 0 2785
January 3rd, 2021 2580 0 0 2580
December 27th, 2020 2255 0 0 2255
December 20th, 2020 2283 0 0 2283
December 13th, 2020 2638 0 0 2638
December 6th, 2020 2733 0 0 2733
November 29th, 2020 2714 0 0 2714
November 22nd, 2020 2466 0 0 2466
November 15th, 2020 2602 0 0 2602
November 8th, 2020 2408 0 0 2408
November 1st, 2020 2460 0 0 2460
October 25th, 2020 2524 0 0 2524
October 18th, 2020 2579 0 0 2579
October 11th, 2020 2442 0 0 2442
October 4th, 2020 2407 0 0 2407
September 27th, 2020 2468 0 0 2468
September 20th, 2020 2471 0 0 2471
September 13th, 2020 2544 0 0 2544
September 6th, 2020 2363 0 0 2363
August 30th, 2020 2466 0 0 2466
August 23rd, 2020 2466 0 0 2466
August 16th, 2020 2532 0 0 2532
August 9th, 2020 2340 0 0 2340
August 2nd, 2020 2333 0 0 2333
July 26th, 2020 2390 0 0 2390
July 19th, 2020 2407 0 0 2407
July 12th, 2020 2457 0 0 2457
July 5th, 2020 2336 0 0 2336
June 28th, 2020 2292 0 0 2292
June 21st, 2020 2390 0 0 2390
June 14th, 2020 2406 0 0 2406
June 7th, 2020 2342 0 0 2342
May 31st, 2020 2396 0 0 2396
May 24th, 2020 2385 0 0 2385
May 17th, 2020 2216 0 0 2216
May 10th, 2020 2266 0 0 2266
May 3rd, 2020 2217 0 0 2217
April 26th, 2020 2132 0 0 2132
April 19th, 2020 2106 0 0 2106
April 12th, 2020 2092 0 0 2092
April 5th, 2020 2101 0 0 2101
March 29th, 2020 2167 0 0 2167
March 22nd, 2020 2255 0 0 2255
March 15th, 2020 2255 0 0 2255
March 8th, 2020 2271 0 0 2271
March 1st, 2020 2126 0 0 2126
February 23rd, 2020 2067 0 0 2067
February 16th, 2020 2061 0 0 2061
February 9th, 2020 2089 0 0 2089
February 2nd, 2020 2092 0 0 2092
January 26th, 2020 2011 0 0 2011
January 19th, 2020 1966 0 0 1966
January 12th, 2020 2018 0 0 2018
January 5th, 2020 2054 0 0 2054
December 29th, 2019 1755 0 0 1755
December 22nd, 2019 1653 0 0 1653
December 15th, 2019 2044 0 0 2044
December 8th, 2019 1992 0 0 1992
December 1st, 2019 1981 0 0 1981
November 24th, 2019 1776 0 0 1776
November 17th, 2019 1937 0 0 1937
November 10th, 2019 1831 0 0 1831
November 3rd, 2019 1851 0 0 1851
October 27th, 2019 1788 0 0 1788
October 20th, 2019 1820 0 0 1820
October 13th, 2019 1845 0 0 1845
October 6th, 2019 2035 0 0 2035
September 29th, 2019 1733 0 0 1733
September 22nd, 2019 1793 0 0 1793
September 15th, 2019 1698 0 0 1698
September 8th, 2019 1767 0 0 1767
September 1st, 2019 1688 0 0 1688
August 25th, 2019 1606 0 0 1606
August 18th, 2019 1572 0 0 1572
August 11th, 2019 1759 0 0 1759
August 4th, 2019 1451 0 0 1451
July 28th, 2019 1451 0 0 1451
July 21st, 2019 1553 0 0 1553
July 14th, 2019 1495 0 0 1495
July 7th, 2019 1518 0 0 1518
June 30th, 2019 1473 0 0 1473
June 23rd, 2019 1496 0 0 1496
June 16th, 2019 1418 0 0 1418
June 9th, 2019 1500 0 0 1500
June 2nd, 2019 1407 0 0 1407
May 26th, 2019 1399 0 0 1399
May 19th, 2019 1425 0 0 1425
May 12th, 2019 1405 0 0 1405
May 5th, 2019 1467 0 0 1467
April 28th, 2019 1393 0 0 1393
April 21st, 2019 1326 0 0 1326
April 14th, 2019 1361 0 0 1361
April 7th, 2019 1272 0 0 1272
March 31st, 2019 1495 0 0 1495
March 24th, 2019 1362 0 0 1362
March 17th, 2019 1391 0 0 1391
March 10th, 2019 1243 0 0 1243
March 3rd, 2019 1383 0 0 1383
February 24th, 2019 1444 0 0 1444
February 17th, 2019 1400 0 0 1400
February 10th, 2019 1453 0 0 1453
February 3rd, 2019 1444 0 0 1444
January 27th, 2019 1441 0 0 1441
January 20th, 2019 1345 0 0 1345
January 13th, 2019 1370 0 0 1370
January 6th, 2019 1300 0 0 1300
December 30th, 2018 1122 0 0 1122
December 23rd, 2018 954 0 0 954
December 16th, 2018 1256 0 0 1256
December 9th, 2018 1235 0 0 1235
December 2nd, 2018 1249 0 0 1249
November 25th, 2018 1303 0 0 1303
November 18th, 2018 1117 0 0 1117
November 11th, 2018 1318 0 0 1318
November 4th, 2018 1298 0 0 1298
October 28th, 2018 1294 0 0 1294
October 21st, 2018 1236 0 0 1236
October 14th, 2018 1186 0 0 1186
October 7th, 2018 1119 0 0 1119
September 30th, 2018 1131 0 0 1131
September 23rd, 2018 1212 0 0 1212
September 16th, 2018 1182 0 0 1182
September 9th, 2018 1317 0 0 1317
September 2nd, 2018 1177 0 0 1177
August 26th, 2018 1169 0 0 1169
August 19th, 2018 1250 0 0 1250
August 12th, 2018 1284 0 0 1284
August 5th, 2018 2033 0 0 2033
July 29th, 2018 2274 0 0 2274
July 22nd, 2018 1481 0 0 1481
July 15th, 2018 1020 0 0 1020
July 8th, 2018 1228 0 0 1228
July 1st, 2018 897 0 0 897
June 24th, 2018 1189 0 0 1189
June 17th, 2018 1136 0 0 1136
June 10th, 2018 1137 0 0 1137
June 3rd, 2018 1282 0 0 1282
May 27th, 2018 1527 0 0 1527
May 20th, 2018 1333 0 0 1333
May 13th, 2018 1541 0 0 1541
May 6th, 2018 1615 0 0 1615
April 29th, 2018 1677 0 0 1677
April 22nd, 2018 1651 0 0 1651
April 15th, 2018 1585 0 0 1585
April 8th, 2018 1498 0 0 1498
April 1st, 2018 2570 0 0 2570
March 25th, 2018 1669 0 0 1669
March 18th, 2018 1798 0 0 1798
March 11th, 2018 1797 0 0 1797
March 4th, 2018 1597 0 0 1597
February 25th, 2018 1607 0 0 1607
February 18th, 2018 1625 0 0 1625
February 11th, 2018 1412 0 0 1412
February 4th, 2018 1459 0 0 1459
January 28th, 2018 1160 0 0 1160
January 21st, 2018 1333 0 0 1333
January 14th, 2018 1080 0 0 1080
January 7th, 2018 1189 0 0 1189
December 31st, 2017 911 0 0 911
December 24th, 2017 632 0 0 632
December 17th, 2017 1258 0 0 1258
December 10th, 2017 1399 0 0 1399
December 3rd, 2017 1287 0 0 1287
November 26th, 2017 1421 0 0 1421
November 19th, 2017 970 0 0 970
November 12th, 2017 1410 0 0 1410
November 5th, 2017 1200 0 0 1200
October 29th, 2017 1113 0 0 1113
October 22nd, 2017 1057 0 0 1057
October 15th, 2017 867 0 0 867
October 8th, 2017 819 0 0 819
October 1st, 2017 741 0 0 741
September 24th, 2017 2108 0 0 2108
September 17th, 2017 1498 0 0 1498
September 10th, 2017 1150 0 0 1150
September 3rd, 2017 837 0 0 837
August 27th, 2017 1109 0 0 1109
August 20th, 2017 1274 0 0 1274
August 13th, 2017 3921 0 0 3921
August 6th, 2017 876 0 0 876
July 30th, 2017 689 0 0 689
July 23rd, 2017 544 0 0 544
July 16th, 2017 466 0 0 466
July 9th, 2017 464 0 0 464
July 2nd, 2017 502 0 0 502
June 25th, 2017 456 0 0 456
June 18th, 2017 414 0 0 414
June 11th, 2017 384 0 0 384
June 4th, 2017 366 0 0 366
May 28th, 2017 349 0 0 349
May 21st, 2017 387 0 0 387
May 14th, 2017 280 0 0 280
May 7th, 2017 216 0 0 216
April 30th, 2017 223 0 0 223
April 23rd, 2017 167 0 0 167
April 16th, 2017 197 0 0 197
April 9th, 2017 190 0 0 190
April 2nd, 2017 176 0 0 176
March 26th, 2017 169 0 0 169
March 19th, 2017 149 0 0 149
March 12th, 2017 114 0 0 114
March 5th, 2017 97 0 0 97
February 26th, 2017 81 0 0 81
February 19th, 2017 87 0 0 87
February 12th, 2017 79 0 0 79
February 5th, 2017 69 0 0 69
January 29th, 2017 65 0 0 65
January 22nd, 2017 63 0 0 63
January 15th, 2017 46 0 0 46
January 8th, 2017 62 0 0 62
January 1st, 2017 40 0 0 40
December 25th, 2016 36 0 0 36
December 18th, 2016 60 0 0 60
December 11th, 2016 259 0 0 259
December 4th, 2016 151 0 0 151
November 27th, 2016 152 0 0 152
November 20th, 2016 152 0 0 152
November 13th, 2016 172 0 0 172
November 6th, 2016 155 0 0 155
October 30th, 2016 169 0 0 169
October 23rd, 2016 305 0 0 305
October 16th, 2016 84 0 0 84
October 9th, 2016 137 0 0 137
October 2nd, 2016 206 0 0 206
September 25th, 2016 225 0 0 225
September 18th, 2016 174 0 0 174
September 11th, 2016 100 0 0 100
September 4th, 2016 276 0 0 276
August 28th, 2016 15 0 0 15
August 21st, 2016 12 0 0 12
August 14th, 2016 11 0 0 11
August 7th, 2016 14 0 0 14
July 31st, 2016 10 0 0 10
July 24th, 2016 12 0 0 12
July 17th, 2016 15 0 0 15
July 10th, 2016 12 0 0 12
July 3rd, 2016 9 0 0 9
June 26th, 2016 8 0 0 8

Recent release usage

Release June 14th, 2026 June 7th, 2026 May 31st, 2026 May 24th, 2026 May 17th, 2026 May 10th, 2026
8.x-1.0 48 46 47 49 45 54
2.0.x-dev 1 0 2 1 1 1
2.0.0-alpha1 163 164 182 175 170 163
3.0.0-alpha3 2 1 2 2 2 1
3.0.0-alpha4 144 152 161 169 194 168
3.0.0 122 98 92 85 118 95

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