This page provides information about the usage of the CSS Delivery Optimizer 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.

CSS Delivery Optimizer project page
Usage statistics for all projects

Hide legacy data
Week starting 7.x-1.x Total
May 3rd, 2026 51 51
April 26th, 2026 45 45
April 19th, 2026 50 50
April 12th, 2026 47 47
April 5th, 2026 50 50
March 29th, 2026 53 53
March 22nd, 2026 55 55
March 15th, 2026 44 44
March 8th, 2026 57 57
February 22nd, 2026 55 55
February 15th, 2026 50 50
February 8th, 2026 53 53
February 1st, 2026 50 50
January 25th, 2026 54 54
January 18th, 2026 53 53
January 11th, 2026 57 57
January 4th, 2026 54 54
December 28th, 2025 54 54
December 21st, 2025 57 57
December 14th, 2025 56 56
December 7th, 2025 52 52
November 30th, 2025 55 55
November 23rd, 2025 54 54
November 16th, 2025 52 52
November 9th, 2025 52 52
November 2nd, 2025 51 51
October 26th, 2025 53 53
October 19th, 2025 50 50
October 12th, 2025 53 53
October 5th, 2025 53 53
September 28th, 2025 54 54
September 21st, 2025 54 54
September 14th, 2025 51 51
September 7th, 2025 54 54
August 31st, 2025 53 53
August 24th, 2025 54 54
August 17th, 2025 51 51
August 10th, 2025 53 53
August 3rd, 2025 56 56
July 27th, 2025 56 56
July 20th, 2025 55 55
July 13th, 2025 57 57
July 6th, 2025 59 59
June 29th, 2025 56 56
June 22nd, 2025 52 52
June 15th, 2025 58 58
June 8th, 2025 61 61
June 1st, 2025 57 57
May 25th, 2025 57 57
May 18th, 2025 59 59
May 11th, 2025 67 67
May 4th, 2025 61 61
April 27th, 2025 64 64
April 20th, 2025 63 63
April 13th, 2025 65 65
April 6th, 2025 67 67
March 30th, 2025 60 60
March 23rd, 2025 65 65
March 16th, 2025 63 63
March 9th, 2025 65 65
March 2nd, 2025 75 75
February 23rd, 2025 70 70
February 16th, 2025 71 71
February 9th, 2025 79 79
February 2nd, 2025 75 75
January 26th, 2025 81 81
January 19th, 2025 84 84
January 12th, 2025 84 84
January 5th, 2025 79 79
December 29th, 2024 78 78
December 22nd, 2024 81 81
December 15th, 2024 86 86
December 8th, 2024 90 90
December 1st, 2024 85 85
November 24th, 2024 83 83
November 17th, 2024 86 86
November 10th, 2024 87 87
November 3rd, 2024 83 83
October 27th, 2024 86 86
October 20th, 2024 88 88
October 13th, 2024 88 88
October 6th, 2024 90 90
September 29th, 2024 93 93
September 22nd, 2024 95 95
September 15th, 2024 93 93
September 8th, 2024 98 98
September 1st, 2024 104 104
August 25th, 2024 94 94
August 18th, 2024 95 95
August 11th, 2024 91 91
August 4th, 2024 99 99
July 28th, 2024 94 94
July 21st, 2024 93 93
July 14th, 2024 93 93
July 7th, 2024 72 72
June 30th, 2024 99 99
June 23rd, 2024 97 97
June 16th, 2024 107 107
June 9th, 2024 105 105
June 2nd, 2024 101 101
May 26th, 2024 107 107
May 19th, 2024 102 102
May 12th, 2024 98 98
May 5th, 2024 95 95
April 28th, 2024 103 103
April 21st, 2024 98 98
April 14th, 2024 96 96
April 7th, 2024 99 99
March 31st, 2024 99 99
March 24th, 2024 104 104
March 17th, 2024 101 101
March 10th, 2024 105 105
March 3rd, 2024 109 109
February 25th, 2024 102 102
February 18th, 2024 101 101
February 11th, 2024 102 102
February 4th, 2024 109 109
January 28th, 2024 109 109
January 21st, 2024 108 108
January 14th, 2024 115 115
January 7th, 2024 107 107
December 31st, 2023 110 110
December 24th, 2023 109 109
December 17th, 2023 108 108
December 10th, 2023 115 115
December 3rd, 2023 110 110
November 26th, 2023 120 120
November 19th, 2023 108 108
November 12th, 2023 107 107
November 5th, 2023 114 114
October 29th, 2023 106 106
October 22nd, 2023 120 120
October 15th, 2023 97 97
October 8th, 2023 109 109
October 1st, 2023 105 105
September 24th, 2023 112 112
September 17th, 2023 111 111
September 10th, 2023 109 109
September 3rd, 2023 104 104
August 27th, 2023 107 107
August 20th, 2023 114 114
August 13th, 2023 109 109
August 6th, 2023 119 119
July 30th, 2023 112 112
July 23rd, 2023 113 113
July 16th, 2023 111 111
July 9th, 2023 118 118
July 2nd, 2023 123 123
June 25th, 2023 118 118
June 18th, 2023 125 125
June 11th, 2023 115 115
June 4th, 2023 113 113
May 28th, 2023 112 112
May 21st, 2023 121 121
May 14th, 2023 116 116
May 7th, 2023 123 123
April 30th, 2023 116 116
April 23rd, 2023 126 126
April 16th, 2023 120 120
April 9th, 2023 119 119
April 2nd, 2023 121 121
March 26th, 2023 122 122
March 19th, 2023 122 122
March 12th, 2023 121 121
March 5th, 2023 117 117
February 26th, 2023 121 121
February 19th, 2023 117 117
February 12th, 2023 128 128
February 5th, 2023 128 128
January 29th, 2023 125 125
January 22nd, 2023 129 129
January 15th, 2023 144 144
January 8th, 2023 139 139
January 1st, 2023 124 124
December 25th, 2022 128 128
December 18th, 2022 135 135
December 11th, 2022 135 135
December 4th, 2022 133 133
November 27th, 2022 147 147
November 20th, 2022 138 138
November 13th, 2022 138 138
November 6th, 2022 134 134
October 30th, 2022 129 129
October 23rd, 2022 142 142
October 16th, 2022 139 139
October 9th, 2022 137 137
October 2nd, 2022 139 139
September 25th, 2022 139 139
September 18th, 2022 130 130
September 11th, 2022 128 128
September 4th, 2022 136 136
August 28th, 2022 140 140
August 21st, 2022 137 137
August 14th, 2022 142 142
August 7th, 2022 137 137
July 31st, 2022 137 137
July 24th, 2022 132 132
July 17th, 2022 136 136
July 10th, 2022 125 125
July 3rd, 2022 130 130
June 26th, 2022 135 135
June 19th, 2022 132 132
June 12th, 2022 141 141
June 5th, 2022 130 130
May 29th, 2022 138 138
May 22nd, 2022 143 143
May 15th, 2022 137 137
May 8th, 2022 138 138
May 1st, 2022 141 141
April 24th, 2022 135 135
April 17th, 2022 137 137
April 10th, 2022 152 152
April 3rd, 2022 144 144
March 27th, 2022 145 145
March 20th, 2022 136 136
March 13th, 2022 140 140
March 6th, 2022 142 142
February 27th, 2022 123 123
February 20th, 2022 131 131
February 13th, 2022 133 133
February 6th, 2022 145 145
January 30th, 2022 152 152
January 23rd, 2022 145 145
January 16th, 2022 147 147
January 9th, 2022 140 140
January 2nd, 2022 156 156
December 26th, 2021 149 149
December 19th, 2021 149 149
December 12th, 2021 147 147
December 5th, 2021 154 154
November 28th, 2021 148 148
November 21st, 2021 157 157
November 14th, 2021 156 156
November 7th, 2021 158 158
October 31st, 2021 154 154
October 24th, 2021 150 150
October 17th, 2021 150 150
October 10th, 2021 151 151
October 3rd, 2021 155 155
September 26th, 2021 163 163
September 19th, 2021 153 153
September 12th, 2021 158 158
September 5th, 2021 155 155
August 29th, 2021 156 156
August 22nd, 2021 160 160
August 15th, 2021 161 161
August 8th, 2021 156 156
August 1st, 2021 158 158
July 25th, 2021 164 164
July 18th, 2021 168 168
July 11th, 2021 168 168
July 4th, 2021 167 167
June 27th, 2021 167 167
June 20th, 2021 165 165
June 13th, 2021 161 161
June 6th, 2021 167 167
May 30th, 2021 173 173
May 23rd, 2021 170 170
May 16th, 2021 172 172
May 9th, 2021 176 176
May 2nd, 2021 172 172
April 25th, 2021 177 177
April 18th, 2021 172 172
April 11th, 2021 172 172
April 4th, 2021 169 169
March 28th, 2021 184 184
March 21st, 2021 185 185
March 14th, 2021 171 171
March 7th, 2021 171 171
February 28th, 2021 183 183
February 21st, 2021 179 179
February 14th, 2021 184 184
February 7th, 2021 179 179
January 31st, 2021 186 186
January 24th, 2021 178 178
January 17th, 2021 186 186
January 10th, 2021 178 178
January 3rd, 2021 175 175
December 27th, 2020 179 179
December 20th, 2020 187 187
December 13th, 2020 180 180
December 6th, 2020 181 181
November 29th, 2020 188 188
November 22nd, 2020 195 195
November 15th, 2020 188 188
November 8th, 2020 187 187
November 1st, 2020 185 185
October 25th, 2020 182 182
October 18th, 2020 181 181
October 11th, 2020 186 186
October 4th, 2020 177 177
September 27th, 2020 194 194
September 20th, 2020 186 186
September 13th, 2020 193 193
September 6th, 2020 184 184
August 30th, 2020 196 196
August 23rd, 2020 187 187
August 16th, 2020 193 193
August 9th, 2020 197 197
August 2nd, 2020 196 196
July 26th, 2020 197 197
July 19th, 2020 199 199
July 12th, 2020 203 203
July 5th, 2020 194 194
June 28th, 2020 197 197
June 21st, 2020 205 205
June 14th, 2020 218 218
June 7th, 2020 204 204
May 31st, 2020 207 207
May 24th, 2020 210 210
May 17th, 2020 210 210
May 10th, 2020 207 207
May 3rd, 2020 210 210
April 26th, 2020 200 200
April 19th, 2020 219 219
April 12th, 2020 215 215
April 5th, 2020 220 220
March 29th, 2020 224 224
March 22nd, 2020 220 220
March 15th, 2020 216 216
March 8th, 2020 215 215
March 1st, 2020 214 214
February 23rd, 2020 235 235
February 16th, 2020 216 216
February 9th, 2020 214 214
February 2nd, 2020 219 219
January 26th, 2020 236 236
January 19th, 2020 229 229
January 12th, 2020 225 225
January 5th, 2020 231 231
December 29th, 2019 227 227
December 22nd, 2019 219 219
December 15th, 2019 245 245
December 8th, 2019 230 230
December 1st, 2019 249 249
November 24th, 2019 234 234
November 17th, 2019 237 237
November 10th, 2019 249 249
November 3rd, 2019 242 242
October 27th, 2019 240 240
October 20th, 2019 256 256
October 13th, 2019 231 231
October 6th, 2019 245 245
September 29th, 2019 247 247
September 22nd, 2019 264 264
September 15th, 2019 259 259
September 8th, 2019 261 261
September 1st, 2019 262 262
August 25th, 2019 269 269
August 18th, 2019 256 256
August 11th, 2019 260 260
August 4th, 2019 260 260
July 28th, 2019 264 264
July 21st, 2019 277 277
July 14th, 2019 290 290
July 7th, 2019 290 290
June 30th, 2019 275 275
June 23rd, 2019 282 282
June 16th, 2019 273 273
June 9th, 2019 279 279
June 2nd, 2019 292 292
May 26th, 2019 283 283
May 19th, 2019 295 295
May 12th, 2019 283 283
May 5th, 2019 294 294
April 28th, 2019 274 274
April 21st, 2019 285 285
April 14th, 2019 276 276
April 7th, 2019 285 285
March 31st, 2019 274 274
March 24th, 2019 292 292
March 17th, 2019 291 291
March 10th, 2019 295 295
March 3rd, 2019 293 293
February 24th, 2019 314 314
February 17th, 2019 301 301
February 10th, 2019 305 305
February 3rd, 2019 302 302
January 27th, 2019 296 296
January 20th, 2019 301 301
January 13th, 2019 294 294
January 6th, 2019 280 280
December 30th, 2018 287 287
December 23rd, 2018 253 253
December 16th, 2018 280 280
December 9th, 2018 281 281
December 2nd, 2018 286 286
November 25th, 2018 290 290
November 18th, 2018 280 280
November 11th, 2018 291 291
November 4th, 2018 296 296
October 28th, 2018 295 295
October 21st, 2018 291 291
October 14th, 2018 283 283
October 7th, 2018 281 281
September 30th, 2018 285 285
September 23rd, 2018 279 279
September 16th, 2018 285 285
September 9th, 2018 293 293
September 2nd, 2018 296 296
August 26th, 2018 298 298
August 19th, 2018 295 295
August 12th, 2018 285 285
August 5th, 2018 319 319
July 29th, 2018 306 306
July 22nd, 2018 323 323
July 15th, 2018 288 288
July 8th, 2018 293 293
July 1st, 2018 253 253
June 24th, 2018 285 285
June 17th, 2018 305 305
June 10th, 2018 293 293
June 3rd, 2018 312 312
May 27th, 2018 296 296
May 20th, 2018 294 294
May 13th, 2018 331 331
May 6th, 2018 302 302
April 29th, 2018 314 314
April 22nd, 2018 351 351
April 15th, 2018 332 332
April 8th, 2018 325 325
April 1st, 2018 328 328
March 25th, 2018 326 326
March 18th, 2018 323 323
March 11th, 2018 331 331
March 4th, 2018 340 340
February 25th, 2018 368 368
February 18th, 2018 342 342
February 11th, 2018 334 334
February 4th, 2018 341 341
January 28th, 2018 342 342
January 21st, 2018 350 350
January 14th, 2018 325 325
January 7th, 2018 348 348
December 31st, 2017 332 332
December 24th, 2017 321 321
December 17th, 2017 339 339
December 10th, 2017 347 347
December 3rd, 2017 346 346
November 26th, 2017 350 350
November 19th, 2017 342 342
November 12th, 2017 357 357
November 5th, 2017 342 342
October 29th, 2017 354 354
October 22nd, 2017 349 349
October 15th, 2017 338 338
October 8th, 2017 357 357
October 1st, 2017 357 357
September 24th, 2017 364 364
September 17th, 2017 359 359
September 10th, 2017 348 348
September 3rd, 2017 363 363
August 27th, 2017 355 355
August 20th, 2017 350 350
August 13th, 2017 332 332
August 6th, 2017 354 354
July 30th, 2017 342 342
July 23rd, 2017 341 341
July 16th, 2017 335 335
July 9th, 2017 363 363
July 2nd, 2017 334 334
June 25th, 2017 348 348
June 18th, 2017 346 346
June 11th, 2017 349 349
June 4th, 2017 360 360
May 28th, 2017 351 351
May 21st, 2017 371 371
May 14th, 2017 352 352
May 7th, 2017 353 353
April 30th, 2017 340 340
April 23rd, 2017 360 360
April 16th, 2017 365 365
April 9th, 2017 351 351
April 2nd, 2017 351 351
March 26th, 2017 351 351
March 19th, 2017 364 364
March 12th, 2017 343 343
March 5th, 2017 353 353
February 26th, 2017 374 374
February 19th, 2017 353 353
February 12th, 2017 366 366
February 5th, 2017 348 348
January 29th, 2017 323 323
January 22nd, 2017 319 319
January 15th, 2017 321 321
January 8th, 2017 320 320
January 1st, 2017 295 295
December 25th, 2016 290 290
December 18th, 2016 294 294
December 11th, 2016 299 299
December 4th, 2016 301 301
November 27th, 2016 293 293
November 20th, 2016 296 296
November 13th, 2016 292 292
November 6th, 2016 270 270
October 30th, 2016 283 283
October 23rd, 2016 261 261
October 16th, 2016 274 274
October 9th, 2016 248 248
October 2nd, 2016 255 255
September 25th, 2016 243 243
September 18th, 2016 241 241
September 11th, 2016 234 234
September 4th, 2016 242 242
August 28th, 2016 231 231
August 21st, 2016 220 220
August 14th, 2016 219 219
August 7th, 2016 223 223
July 31st, 2016 239 239
July 24th, 2016 247 247
July 17th, 2016 220 220
July 10th, 2016 220 220
July 3rd, 2016 221 221
June 26th, 2016 216 216
June 19th, 2016 223 223
June 12th, 2016 235 235
June 5th, 2016 209 209
May 29th, 2016 206 206
May 22nd, 2016 210 210
May 15th, 2016 196 196
May 8th, 2016 196 196
May 1st, 2016 205 205
April 24th, 2016 203 203
April 17th, 2016 197 197
April 10th, 2016 197 197
April 3rd, 2016 199 199
March 27th, 2016 193 193
March 20th, 2016 176 176
March 13th, 2016 189 189
March 6th, 2016 168 168
February 28th, 2016 161 161
February 21st, 2016 153 153
February 14th, 2016 155 155
February 7th, 2016 150 150
January 31st, 2016 138 138
January 24th, 2016 130 130
January 17th, 2016 128 128
January 10th, 2016 146 146
January 3rd, 2016 149 149
December 27th, 2015 131 131
December 20th, 2015 124 124
December 13th, 2015 133 133
December 6th, 2015 112 112
November 29th, 2015 115 115
November 22nd, 2015 115 115
November 15th, 2015 124 124
November 8th, 2015 123 123
November 1st, 2015 113 113
October 25th, 2015 119 119
October 18th, 2015 110 110
October 11th, 2015 104 104
October 4th, 2015 109 109
September 27th, 2015 103 103
September 20th, 2015 89 89
September 13th, 2015 102 102
September 6th, 2015 88 88
August 30th, 2015 94 94
August 23rd, 2015 82 82
August 16th, 2015 72 72
August 9th, 2015 58 58
August 2nd, 2015 59 59
July 26th, 2015 59 59
July 19th, 2015 49 49
July 12th, 2015 49 49
July 5th, 2015 49 49
June 28th, 2015 44 44
June 21st, 2015 44 44
June 14th, 2015 45 45
June 7th, 2015 47 47
May 31st, 2015 39 39
May 24th, 2015 33 33
May 17th, 2015 30 30
May 10th, 2015 23 23
May 3rd, 2015 27 27
April 26th, 2015 19 19
April 19th, 2015 23 23
April 12th, 2015 14 14
April 5th, 2015 12 12
March 29th, 2015 8 8
March 22nd, 2015 10 10
March 15th, 2015 7 7
March 8th, 2015 4 4
March 1st, 2015 5 5
February 22nd, 2015 6 6
February 15th, 2015 5 5

Recent release usage

Release May 3rd, 2026 April 26th, 2026 April 19th, 2026 April 12th, 2026 April 5th, 2026 March 29th, 2026
7.x-1.x-dev 51 45 50 47 50 53

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