For each week beginning on a given date, the figures show the number of sites that reported they are using the apachesolr 6.x-3.1 release.

These statistics are incomplete; only Drupal websites using the Update Status module are included in the data. This module has been included with the download of Drupal since version 6.x so the data does not include older sites. Read more information about how these statistics are calculated.

Week startingCount
April 14, 202419
April 7, 202417
March 31, 202418
March 24, 202420
March 17, 202419
March 10, 202418
March 3, 202419
February 25, 202419
February 18, 202419
February 11, 202418
February 4, 202418
January 28, 202418
January 21, 202418
January 14, 202419
January 7, 202419
December 31, 202319
December 24, 202317
December 17, 202318
December 10, 202318
December 3, 202318
November 26, 202318
November 19, 202317
November 12, 202319
November 5, 202319
October 29, 202320
October 22, 202319
October 15, 202316
October 8, 202320
October 1, 202319
September 24, 202319
September 17, 202319
September 10, 202319
September 3, 202319
August 27, 202320
August 20, 202318
August 13, 202318
August 6, 202318
July 30, 202317
July 23, 202318
July 16, 202318
July 9, 202319
July 2, 202319
June 25, 202319
June 18, 202320
June 11, 202320
June 4, 202319
May 28, 202319
May 21, 202320
May 14, 202317
May 7, 202318
April 30, 202318
April 23, 202320
April 16, 202320
April 9, 202317
April 2, 202318
March 26, 202321
March 19, 202322
March 12, 202322
March 5, 202321
February 26, 202319
February 19, 202321
February 12, 202323
February 5, 202322
January 29, 202320
January 22, 202320
January 15, 202320
January 8, 202323
January 1, 202321
December 25, 202220
December 18, 202220
December 11, 202220
December 4, 202219
November 27, 202220
November 20, 202220
November 13, 202220
November 6, 202220
October 30, 202221
October 23, 202219
October 16, 202220
October 9, 202222
October 2, 202221
September 25, 202221
September 18, 202221
September 11, 202219
September 4, 202221
August 28, 202221
August 21, 202221
August 14, 202221
August 7, 202222
July 31, 202220
July 24, 202223
July 17, 202223
July 10, 202223
July 3, 202223
June 26, 202222
June 19, 202223
June 12, 202223
June 5, 202220
May 29, 202223
May 22, 202223
May 15, 202222
May 8, 202224
May 1, 202224
April 24, 202222
April 17, 202222
April 10, 202223
April 3, 202223
March 27, 202222
March 20, 202225
March 13, 202223
March 6, 202224
February 27, 202221
February 20, 202223
February 13, 202220
February 6, 202220
January 30, 202226
January 23, 202222
January 16, 202222
January 9, 202220
January 2, 202223
December 26, 202121
December 19, 202123
December 12, 202122
December 5, 202124
November 28, 202125
November 21, 202124
November 14, 202125
November 7, 202125
October 31, 202126
October 24, 202125
October 17, 202127
October 10, 202123
October 3, 202126
September 26, 202127
September 19, 202125
September 12, 202127
September 5, 202123
August 29, 202123
August 22, 202125
August 15, 202125
August 8, 202125
August 1, 202124
July 25, 202124
July 18, 202125
July 11, 202123
July 4, 202125
June 27, 202126
June 20, 202125
June 13, 202129
June 6, 202125
May 30, 202126
May 23, 202124
May 16, 202126
May 9, 202126
May 2, 202126
April 25, 202129
April 18, 202128
April 11, 202127
April 4, 202128
March 28, 202128
March 21, 202134
March 14, 202128
March 7, 202128
February 28, 202129
February 21, 202125
February 14, 202128
February 7, 202129
January 31, 202128
January 24, 202128
January 17, 202131
January 10, 202129
January 3, 202129
December 27, 202027
December 20, 202029
December 13, 202030
December 6, 202034
November 29, 202032
November 22, 202029
November 15, 202032
November 8, 202032
November 1, 202027
October 25, 202028
October 18, 202029
October 11, 202029
October 4, 202029
September 27, 202031
September 20, 202029
September 13, 202031
September 6, 202030
August 30, 202028
August 23, 202027
August 16, 202027
August 9, 202028
August 2, 202028
July 26, 202029
July 19, 202028
July 12, 202029
July 5, 202029
June 28, 202029
June 21, 202029
June 14, 202028
June 7, 202031
May 31, 202032
May 24, 202032
May 17, 202032
May 10, 202032
May 3, 202031
April 26, 202032
April 19, 202035
April 12, 202039
April 5, 202033
March 29, 202039
March 22, 202036
March 15, 202031
March 8, 202032
March 1, 202032
February 23, 202034
February 16, 202036
February 9, 202034
February 2, 202033
January 26, 202036
January 19, 202033
January 12, 202032
January 5, 202034
December 29, 201933
December 22, 201931
December 15, 201934
December 8, 201932
December 1, 201931
November 24, 201935
November 17, 201931
November 10, 201935
November 3, 201936
October 27, 201935
October 20, 201937
October 13, 201933
October 6, 201934
September 29, 201934
September 22, 201936
September 15, 201936
September 8, 201936
September 1, 201940
August 25, 201940
August 18, 201938
August 11, 201939
August 4, 201946
July 28, 201943
July 21, 201942
July 14, 201970
July 7, 201939
June 30, 201941
June 23, 201946
June 16, 201947
June 9, 201990
June 2, 201986
May 26, 201990
May 19, 201994
May 12, 201996
May 5, 201996
April 28, 201994
April 21, 201998
April 14, 2019102
April 7, 201997
March 31, 2019104
March 24, 2019104
March 17, 2019107
March 10, 2019110
March 3, 2019114
February 24, 2019116
February 17, 2019117
February 10, 2019125
February 3, 2019121
January 27, 2019118
January 20, 2019123
January 13, 2019127
January 6, 2019124
December 30, 2018123
December 23, 2018124
December 16, 2018132
December 9, 2018130
December 2, 2018145
November 25, 2018146
November 18, 2018143
November 11, 2018153
November 4, 2018151
October 28, 2018157
October 21, 2018170
October 14, 2018170
October 7, 2018172
September 30, 2018171
September 23, 2018172
September 16, 2018171
September 9, 2018171
September 2, 2018172
August 26, 2018174
August 19, 2018182
August 12, 2018176
August 5, 2018189
July 29, 2018179
July 22, 2018182
July 15, 2018180
July 8, 2018189
July 1, 2018184
June 24, 2018197
June 17, 2018190
June 10, 2018187
June 3, 2018195
May 27, 2018203
May 20, 2018205
May 13, 2018200
May 6, 2018203
April 29, 2018203
April 22, 2018221
April 15, 2018211
April 8, 2018202
April 1, 2018221
March 25, 2018219
March 18, 2018215
March 11, 2018212
March 4, 2018216
February 25, 2018225
February 18, 2018241
February 11, 2018223
February 4, 2018224
January 28, 2018221
January 21, 2018209
January 14, 2018209
January 7, 2018212
December 31, 2017203
December 24, 2017207
December 17, 2017216
December 10, 2017212
December 3, 2017223
November 26, 2017220
November 19, 2017217
November 12, 2017216
November 5, 2017224
October 29, 2017227
October 22, 2017232
October 15, 2017229
October 8, 2017238
October 1, 2017239
September 24, 2017242
September 17, 2017241
September 10, 2017244
September 3, 2017251
August 27, 2017243
August 20, 2017257
August 13, 2017247
August 6, 2017255
July 30, 2017258
July 23, 2017256
July 16, 2017253
July 9, 2017250
July 2, 2017253
June 25, 2017251
June 18, 2017254
June 11, 2017253
June 4, 2017259
May 28, 2017250
May 21, 2017260
May 14, 2017259
May 7, 2017256
April 30, 2017265
April 23, 2017265
April 16, 2017259
April 9, 2017262
April 2, 2017266
March 26, 2017272
March 19, 2017274
March 12, 2017269
March 5, 2017264
February 26, 2017276
February 19, 2017265
February 12, 2017270
February 5, 2017274
January 29, 2017283
January 22, 2017276
January 15, 2017291
January 8, 2017289
January 1, 2017284
December 25, 2016278
December 18, 2016282
December 11, 2016281
December 4, 2016294
November 27, 2016306
November 20, 2016308
November 13, 2016311
November 6, 2016297
October 30, 2016307
October 23, 2016303
October 16, 2016304
October 9, 2016300
October 2, 2016314
September 25, 2016306
September 18, 2016306
September 11, 2016316
September 4, 2016307
August 28, 2016306
August 21, 2016312
August 14, 2016315
August 7, 2016281
July 31, 2016234
July 24, 2016167
July 17, 2016152
July 10, 2016120
July 3, 2016121
June 26, 2016125
June 19, 2016114
June 12, 2016133
June 5, 2016136
May 29, 2016117
May 22, 2016116
May 15, 2016125
May 8, 2016118
May 1, 2016129
April 24, 2016115
April 17, 2016119
April 10, 2016123
April 3, 2016135
March 27, 2016116
March 20, 2016125
March 13, 2016120
March 6, 2016124
February 28, 2016105
February 21, 2016136
February 14, 2016111
February 7, 2016107
January 31, 2016101
January 24, 2016108
January 17, 2016106
January 10, 2016108
January 3, 201682
December 27, 201561
December 20, 201562
December 13, 201563
December 6, 201559
November 29, 201532