Jacob Keener

Region WCA ID Gender Competitions Completed Solves
United States 2017KEEN04 Male 30 1158

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 2840 3715 14146 9.91 11.75 12626 3279 2507
2x2x2 Cube 1262 1601 5703 1.98 3.84 8445 2415 1878
4x4x4 Cube 802 1080 4345 36.51 42.81 4689 1163 866
5x5x5 Cube 648 874 3383 1:12.69 1:19.98 3239 854 639
6x6x6 Cube 375 480 1681 2:12.01 2:22.11 1709 478 374
7x7x7 Cube 263 348 1247 3:14.67 3:15.90 958 269 205
3x3x3 One-Handed 3892 5340 21798 26.56 33.61 22744 5572 4071
Clock 931 1125 3708 9.08 11.20 3914 1209 1003
Megaminx 650 903 3317 1:08.20 1:24.41 4355 1194 858
Pyraminx 605 740 2918 2.92 4.44 2222 545 447
Skewb 665 842 3199 3.30 5.99 4189 1113 865
Square-1 916 1122 3272 15.75 21.53 3289 1110 907
Competition Round Place Single Average Solves
3x3x3 Cube
CubingUSA Southeast Championship 2024 Second round 127 11.80 14.01 15.1914.5411.8014.3713.11
First round 153 12.73 15.16 15.8213.4212.7316.5116.25
See Georgia: Lake Russell A 2024 Final 21 14.28 15.56 14.2814.7915.3716.5317.34
Second round 20 12.00 14.19 12.0019.6913.8616.3512.35
First round 22 10.36 15.01 17.2614.5016.1510.3614.38
Alabama Championship 2024 Second round 55 10.95 14.93 13.9810.9514.7816.0216.13
First round 69 14.94 16.45 14.9417.5215.9915.8418.08
Upstate Palmetto Puzzles 2024 Second round 34 13.27 13.79 15.0813.5113.6213.2714.24
First round 39 12.67 14.56 14.1212.6713.4916.0617.30
Cobb Cubes and Clocks 2024 Final 46 11.96 16.13 17.7211.9615.3818.9115.29
First round 30 11.51 13.54 14.5012.0314.9614.0911.51
Rocky Top 2023 Second round 71 14.54 15.08 15.0614.5416.6215.4614.72
First round 79 13.42 16.61 19.6913.4215.9119.4014.52
Staunton Speedsolving 2023 Second round 26 12.19 13.55 12.2914.1712.1914.1814.68
First round 38 13.01 16.16 13.0116.3315.4324.6216.72
CubingUSA Nationals 2023 First round 489 12.39 13.19 16.0413.6712.3912.6113.28
AlphaCubing A 2023 Second round 18 12.24 13.28 12.5912.2413.3418.8213.90
First round 28 14.19 14.97 14.4014.1915.9814.7415.78
Cuber Jackets Fall 2022 Second round 36 13.56 17.04 13.5628.8814.2322.5214.38
First round 29 11.74 13.48 18.0814.6111.7412.3113.53
Sharon Forks Showdown 2022 First round 32 11.24 13.26 13.1115.2313.1413.5411.24
GA Cubers February C 2022 Second round 7 9.91 11.75 9.9115.0411.3311.3912.54
First round 11 11.12 14.01 16.8814.1414.9612.9211.12
Big Cubes for Dunwoody 2020 First round 29 13.16 14.75 13.3914.2716.5913.1618.61
Rocky Top 2019 Second round 23 12.70 14.73 12.7014.6014.9217.0614.68
First round 24 13.16 15.56 17.3716.1113.1613.1918.14
GA Cubers Sunset 2019 Second round 24 13.58 14.84 14.4116.1022.1013.5814.02
First round 28 14.33 16.29 19.8014.7217.2416.9114.33
Peach State 2019 Second round 21 14.75 16.41 15.4017.0618.4314.7516.77
First round 25 15.41 17.28 16.8515.4116.4418.5618.83
Dunwoody Day Bash 2019 Second round 41 13.45 20.89 24.8823.6513.4518.1420.88
First round 30 15.24 16.91 18.1315.8117.1815.2417.73
Rocky Top 2018 Second round 29 14.62 17.84 20.6617.9314.6218.0917.50
First round 32 14.55 17.83 19.0814.5517.2717.1419.67
Cobb Cubes Again 2018 Second round 30 14.80 17.29 16.4414.8017.7417.6819.20
First round 23 13.60 15.62 15.5213.6017.2315.9815.37
Windsor Classic 2018 Second round 24 18.60 21.62 18.6022.5522.0520.2552.36
First round 25 18.72 19.97 20.1920.0619.6623.8618.72
Atlanta Subdivisions 2018 Second round 22 17.49 20.40 17.4925.8521.8218.2021.18
First round 23 17.05 21.76 22.7117.0520.0922.4925.03
Whale Sounds 2018 First round 49 20.40 21.81 22.1621.9720.4023.2321.31
Rocky Top 2017 Second round 33 19.67 24.01 26.2428.9019.6723.5822.22
First round 29 20.29 22.34 20.6724.2041.0122.1420.29
Rocket City 2.0 2017 First round 59 23.93 27.85 26.8528.1728.5223.9346.04
Cobb Cubes 2017 Second round 32 24.48 28.07 29.8430.8224.9124.4829.45
First round 34 23.58 28.72 26.2233.2523.5832.2427.69
Classic City Summer 2017 First round 68 28.45 32.24 35.9429.7031.0737.9328.45
Windsor Classic 2017 Second round 47 30.90 34.94 47.6630.9035.9636.6932.18
First round 49 28.42 35.50 33.6540.9635.0628.4237.79
2x2x2 Cube
CubingUSA Southeast Championship 2024 Semi Final 114 4.45 5.88 7.145.924.598.324.45
Second round 74 3.54 4.17 4.513.924.073.544.68
First round 125 3.76 4.87 4.923.764.764.925.34
See Georgia: Lake Russell A 2024 First round 39 4.35 7.27 5.4113.664.3511.604.81
Alabama Championship 2024 First round 33 3.14 3.84 5.044.493.663.383.14
Upstate Palmetto Puzzles 2024 First round 24 3.68 4.39 4.365.284.253.684.56
Cobb Cubes and Clocks 2024 Final 28 3.61 4.30 4.333.644.935.793.61
First round 21 3.58 4.19 5.353.583.586.153.64
Rocky Top 2023 Second round 35 3.84 4.27 4.503.964.356.373.84
First round 38 3.68 4.28 4.195.554.133.684.51
Staunton Speedsolving 2023 First round 21 2.82 4.16 6.072.824.883.234.37
CubingUSA Nationals 2023 Second round 263 1.98 4.08 4.054.101.984.085.57
First round 350 4.28 4.49 4.284.644.764.304.54
Rocky Top 2019 First round 14 3.53 4.20 4.733.704.185.663.53
GA Cubers Sunset 2019 First round 19 4.22 5.10 6.994.935.974.224.40
Peach State 2019 First round 18 3.74 5.01 4.743.744.166.137.68
Rocky Top 2018 Final 28 5.03 5.64 7.005.895.855.035.18
Windsor Classic 2018 First round 20 2.92 5.21 4.715.772.925.785.15
Rocky Top 2017 Second round 24 5.52 6.61 7.075.526.057.246.71
First round 16 5.23 5.50 5.235.465.245.796.45
Rocket City 2.0 2017 First round 25 5.34 5.90 5.467.476.765.485.34
Classic City Summer 2017 Second round 50 6.53 7.33 6.537.546.777.6725.75
First round 45 4.80 6.93 8.896.375.539.254.80
4x4x4 Cube
CubingUSA Southeast Championship 2024 Second round 69 42.35 48.92 56.5443.8242.3552.7850.15
First round 52 36.51 44.49 49.8946.8736.5147.0039.61
Alabama Championship 2024 First round 33 45.19 47.97 49.5845.1948.2149.0046.70
Cobb Cubes and Clocks 2024 Final 13 38.36 47.82 51.6039.3738.3652.5052.67
First round 12 37.65 46.29 50.9944.0153.5943.8737.65
Rocky Top 2023 Final 18 46.22 48.08 46.2247.4847.4649.3053.30
First round 20 36.74 46.19 47.1836.7442.261:25.8549.12
CubingUSA Nationals 2023 First round 283 40.42 46.44 54.7246.3643.5649.4140.42
AlphaCubing A 2023 Final 10 40.41 47.83 53.7240.4146.3849.9847.14
First round 7 36.60 45.49 49.0936.6043.8943.4857.56
Cuber Jackets Fall 2022 Second round 21 42.63 54.23 48.6053.9342.631:00.161:00.71
First round 21 45.95 49.24 51.5145.9549.6755.3646.53
GA Cubers Big Goobers 2022 Second round 11 43.88 46.57 46.0444.7448.9351.8343.88
First round 9 42.09 43.44 48.5244.3142.0942.1743.85
GA Cubers February C 2022 Second round 7 40.38 43.17 45.8540.3846.8843.2640.41
First round 6 40.74 42.81 41.7945.6840.9640.7450.36
Rocky Top 2019 First round 13 50.51 52.71 51.9650.5153.2952.8854.88
GA Cubers Sunset 2019 First round 17 46.89 50.66 52.5055.4247.9546.8951.54
Dunwoody Day Bash 2019 First round 16 51.19 54.15 53.5757.0156.2051.1952.68
Rocky Top 2018 Final 18 49.12 55.15 56.0356.6452.7859.1949.12
Atlanta Subdivisions 2018 Second round 13 59.61 1:04.79 1:06.271:06.2659.611:10.061:01.83
First round 13 56.80 1:05.64 1:07.241:12.2756.801:04.651:05.03
Whale Sounds 2018 First round 31 1:03.28 1:10.46 1:18.851:03.281:13.821:06.451:11.10
Rocky Top 2017 Second round 22 1:12.76 1:20.05 1:23.071:12.76DNF1:14.621:22.46
First round 21 1:02.27 1:10.28 1:15.401:08.841:07.081:02.271:14.92
Rocket City 2.0 2017 First round 27 1:14.83 1:19.11 1:28.161:21.291:14.901:14.831:21.13
5x5x5 Cube
CubingUSA Southeast Championship 2024 Second round 43 1:13.89 1:21.03 1:27.431:22.921:13.891:25.131:15.05
First round 56 1:20.03 1:27.34 1:20.031:22.612:18.011:28.511:30.89
Alabama Championship 2024 First round 22 1:20.89 1:24.75 1:27.101:22.461:20.891:25.041:26.75
Rocky Top 2023 Final 18 1:17.41 1:19.98 1:19.931:19.211:17.411:20.791:24.85
CubingUSA Nationals 2023 First round 255 1:19.78 1:25.83 1:19.781:26.041:31.041:20.401:31.08
GA Cubers Big Goobers 2022 Second round 10 1:16.26 1:21.26 1:29.101:16.261:18.191:25.261:20.34
First round 9 1:12.69 1:21.36 1:21.191:20.341:22.561:12.691:23.06
Big Cubes for Dunwoody 2020 First round 21 1:22.46 1:33.13 1:37.641:41.531:22.461:33.421:28.33
Rocky Top 2019 Final 9 1:18.12 1:29.37 1:35.741:18.121:33.551:32.141:22.42
GA Cubers Sunset 2019 First round 13 1:26.63 1:36.07 1:26.631:34.791:40.841:38.581:34.84
Dunwoody Day Bash 2019 Final 15 1:25.81 1:37.50 1:39.401:43.031:25.811:30.06DNF
Atlanta Subdivisions 2018 Final 9 1:47.68 1:50.65 2:04.111:51.961:51.991:48.011:47.68
First round 10 1:51.59 2:06.72 2:04.052:08.732:07.371:51.592:09.34
Whale Sounds 2018 Final 25 2:03.36 2:17.39 2:21.442:21.442:10.152:03.362:20.59
Cobb Cubes 2017 Final 16 2:16.57 2:21.24 2:22.702:24.412:20.192:16.572:20.82
6x6x6 Cube
CubingUSA Southeast Championship 2024 First round 35 2:20.62 2:25.64 2:20.622:32.062:24.23
Alabama Championship 2024 Final 14 2:13.59 2:24.80 2:23.802:13.592:37.02
Rocky Top 2023 Final 15 2:15.23 2:26.74 2:28.942:36.052:15.23
CubingUSA Nationals 2023 First round 144 2:12.01 2:22.11 2:26.802:12.012:27.53
GA Cubers Warm Up 2023 Final 6 2:26.59 2:35.04 2:31.932:26.592:46.59
First round 6 2:16.45 2:26.79 2:26.802:37.112:16.45
Sharon Forks Qualifier 2023 Final 8 2:18.15 2:23.16 2:30.532:18.152:20.79
GA Cubers Big Goobers 2022 Second round 10 2:22.25 2:26.15 2:25.622:22.252:30.59
First round 12 2:23.07 2:33.97 2:39.242:39.592:23.07
Rocky Top 2019 Final 7 2:35.07 2:42.75 2:35.072:41.982:51.19
Peach State 2019 Final 6 2:39.51 2:44.53 2:45.502:39.512:48.59
Second round 7 2:42.08 2:46.97 2:47.642:51.202:42.08
First round 8 2:48.70 3:04.79 3:15.532:48.703:10.15
Rocky Top 2018 Final 12 2:51.00 3:18.21 3:05.752:51.003:57.89
Cobb Cubes Again 2018 First round 14 2:52.04 3:04.68 2:52.043:03.243:18.77
Atlanta Subdivisions 2018 Final 7 3:09.61 3:27.90 3:37.313:36.793:09.61
7x7x7 Cube
CubingUSA Southeast Championship 2024 First round 26 3:17.48 3:37.86 3:17.483:35.004:01.10
Alabama Championship 2024 Final 12 3:34.86 3:42.63 3:34.863:48.073:44.96
Rocky Top 2023 Final 14 3:44.45 3:48.05 3:44.453:53.843:45.86
CubingUSA Nationals 2023 First round 118 3:29.65 3:36.18 3:44.583:34.303:29.65
GA Cubers Warm Up 2023 Final 5 3:30.68 3:38.01 3:52.483:30.683:30.86
First round 5 3:32.03 3:51.10 3:44.443:32.034:16.83
Sharon Forks Qualifier 2023 Final 9 3:20.99 3:23.38 3:20.993:22.293:26.85
Sharon Forks Showdown 2022 Final 11 3:20.54 3:29.63 3:20.543:41.463:26.90
GA Cubers Big Goobers 2022 Second round 8 3:19.74 3:29.80 3:40.133:29.523:19.74
First round 8 3:14.67 3:15.90 3:14.673:15.633:17.40
Rocky Top 2019 Final 5 3:38.72 3:57.27 3:38.724:17.363:55.73
Peach State 2019 Final 6 3:39.37 3:58.44 4:22.273:53.693:39.37
First round 6 3:54.11 3:57.48 3:58.433:59.893:54.11
Cobb Cubes Again 2018 Final 10 4:15.79 4:22.65 4:24.534:27.644:15.79
3x3x3 One-Handed
Rocky Top 2019 First round 25 26.56 33.61 30.7426.5641.6638.0632.04
Peach State 2019 First round 18 30.49 34.25 35.5131.5335.7236.6230.49
Dunwoody Day Bash 2019 First round 22 27.83 35.66 39.2138.6635.5432.7727.83
Rocky Top 2018 First round 25 26.80 35.92 26.8036.7238.4539.5732.58
Atlanta Subdivisions 2018 First round 21 42.79 50.73 59.7450.5953.8042.7947.79
Whale Sounds 2018 First round 40 36.98 45.84 44.0536.9846.5446.9355.66
Clock
CubingUSA Southeast Championship 2024 Second round 108 11.99 14.25 11.9914.29DNF14.9913.47
First round 110 10.72 12.37 10.7211.9914.6512.7412.39
Alabama Championship 2024 First round 51 12.21 13.18 13.3812.2115.3913.1113.04
Cobb Cubes and Clocks 2024 Second round 36 11.28 15.14 11.2817.0114.4215.8715.14
First round 33 10.83 12.39 12.8011.9012.4610.83DNF
Rocky Top 2023 Second round 48 11.82 12.77 12.8212.4415.2711.8213.04
First round 51 10.28 12.55 13.6210.2811.5515.5712.47
Staunton Speedsolving 2023 First round 23 10.33 12.49 11.1215.4110.9410.33DNF
CubingUSA Nationals 2023 First round 266 11.92 12.57 12.3111.9214.5512.8312.56
GA Cubers Warm Up 2023 First round 15 13.20 16.39 15.6927.7013.2013.7419.74
Sharon Forks Qualifier 2023 First round 20 11.14 12.44 11.1412.2812.2713.8612.78
Cuber Jackets Fall 2022 First round 19 11.54 12.89 12.9916.5114.0711.6211.54
Sharon Forks Showdown 2022 First round 21 9.08 11.20 16.5713.609.0810.309.69
Cobb Cubes Again 2018 First round 10 12.89 16.12 15.70DNF12.8916.6616.01
Whale Sounds 2018 Final 29 21.69 DNF 21.69DNSDNSDNSDNS
Megaminx
CubingUSA Southeast Championship 2024 First round 69 1:27.44 1:31.22 1:35.971:28.911:27.441:39.861:28.77
Alabama Championship 2024 First round 26 1:21.56 1:31.03 1:33.081:46.261:24.831:35.191:21.56
Upstate Palmetto Puzzles 2024 First round 18 1:14.45 1:31.94 1:36.231:25.731:33.851:14.451:41.95
Rocky Top 2023 Final 33 1:21.50 1:34.56 1:33.871:30.081:39.741:21.501:40.66
CubingUSA Nationals 2023 First round 227 1:17.29 1:24.41 1:23.961:21.501:27.981:17.291:27.76
AlphaCubing A 2023 Final 11 1:15.02 1:31.42 1:31.201:32.081:15.021:30.971:37.60
First round 11 1:22.97 1:32.59 1:34.551:29.721:37.621:22.971:33.50
Sharon Forks Qualifier 2023 Final 15 1:08.20 1:26.76 1:21.471:41.131:08.201:31.621:27.20
Sharon Forks Showdown 2022 Final 16 1:25.33 1:30.64 1:43.001:26.811:32.781:32.341:25.33
GA Cubers Sunset 2019 Final 13 1:28.63 1:39.24 1:48.371:37.131:42.711:28.631:37.89
Rocky Top 2018 Final 11 1:30.14 1:40.48 1:49.411:38.111:30.141:33.92DNF
Cobb Cubes Again 2018 Final 12 1:49.33 1:54.47 1:54.722:09.521:56.321:52.381:49.33
Windsor Classic 2018 Final 12 1:50.70 2:00.79 2:14.771:54.031:50.701:58.412:09.93
Rocky Top 2017 First round 16 1:58.40 2:16.42 2:27.461:58.402:02.672:24.812:21.77
Pyraminx
CubingUSA Southeast Championship 2024 Semi Final 47 4.33 5.95 6.717.234.734.336.42
Second round 59 4.40 6.38 8.674.647.027.484.40
First round 69 5.27 6.98 6.195.277.337.4110.49
See Georgia: Lake Russell A 2024 Final 9 5.00 5.96 8.265.846.355.005.70
First round 11 5.29 6.43 6.218.857.665.295.42
Alabama Championship 2024 Final 12 4.54 5.99 6.805.658.115.514.54
First round 9 3.72 4.44 4.363.726.103.835.14
Upstate Palmetto Puzzles 2024 Final 11 5.05 6.63 8.057.246.065.056.59
First round 11 3.66 6.00 6.353.667.655.236.42
Rocky Top 2023 Second round 22 3.76 5.66 7.473.767.485.214.29
First round 33 6.91 7.12 6.9412.687.356.917.08
CubingUSA Nationals 2023 First round 180 4.47 5.82 5.627.576.444.475.40
Rocky Top 2019 Final 10 4.61 6.05 6.3712.734.614.687.10
First round 8 2.92 5.18 9.095.014.982.925.54
Rocky Top 2018 Final 10 4.77 5.88 5.107.594.958.064.77
Second round 11 4.00 6.81 5.834.009.666.657.96
First round 9 4.60 6.31 4.607.336.666.705.56
Cobb Cubes Again 2018 Final 8 4.97 5.81 5.496.705.526.414.97
First round 12 4.69 7.05 6.854.698.415.8911.51
Windsor Classic 2018 Final 14 5.53 7.31 6.6810.415.538.906.35
First round 13 4.76 8.20 4.768.057.898.888.65
Rocky Top 2017 Second round 17 6.72 9.80 8.3010.4010.696.7212.98
First round 16 7.64 9.67 10.527.648.1311.0710.37
Cobb Cubes 2017 First round 16 8.88 9.92 10.3611.128.8810.329.07
Classic City Summer 2017 First round 50 10.91 13.81 10.9115.1812.0314.2215.29
Skewb
CubingUSA Southeast Championship 2024 Second round 68 5.94 6.25 7.956.266.555.945.94
First round 115 5.13 8.46 8.839.897.685.138.87
See Georgia: Lake Russell A 2024 Final 16 7.13 7.62 7.759.367.167.967.13
First round 18 4.41 7.42 4.415.319.169.957.78
Alabama Championship 2024 First round 20 4.88 6.16 6.0610.366.234.886.20
Upstate Palmetto Puzzles 2024 First round 17 6.24 6.87 8.237.566.266.786.24
Rocky Top 2023 First round 22 3.30 6.53 6.648.446.793.306.17
Staunton Speedsolving 2023 Second round 19 5.67 8.02 7.645.678.539.417.90
First round 7 5.45 6.73 5.4512.326.736.287.18
CubingUSA Nationals 2023 First round 202 5.37 6.70 8.505.376.936.506.67
AlphaCubing A 2023 Final 15 6.11 7.67 6.597.309.126.1111.98
First round 10 4.16 6.14 5.794.358.274.169.54
Rocky Top 2019 Final 7 4.87 5.99 6.525.995.479.154.87
First round 9 3.33 6.26 6.783.336.3410.295.65
Dunwoody Day Bash 2019 First round 16 5.81 7.56 5.818.139.898.685.88
Rocky Top 2018 Final 11 6.43 8.15 6.439.656.949.008.51
First round 13 6.96 8.84 6.9611.527.5211.637.49
Windsor Classic 2018 Final 17 4.68 10.56 DNF4.688.749.3113.63
First round 14 7.76 9.04 8.407.7611.619.109.61
Rocky Top 2017 Final 11 8.22 9.39 10.078.229.1413.308.95
First round 16 9.02 11.09 11.7211.9813.539.569.02
Windsor Classic 2017 Second round 22 9.51 14.02 14.96DNF9.5112.7014.40
First round 24 10.77 12.90 10.7716.9616.0011.1311.57
Square-1
CubingUSA Southeast Championship 2024 First round 49 19.17 21.53 19.5624.7520.3119.1724.71
Alabama Championship 2024 Final 31 23.30 26.55 23.3026.5523.5033.7129.60
Rocky Top 2023 First round 26 19.42 26.28 DNF33.8420.8824.1319.42
Staunton Speedsolving 2023 Final 21 22.05 27.41 27.6524.4522.0530.1432.99
CubingUSA Nationals 2023 First round 250 19.09 23.45 30.6524.6622.0323.6619.09
AlphaCubing A 2023 Final 11 20.38 24.90 20.3831.1924.0625.4625.18
First round 11 19.45 23.81 19.4526.8435.4922.8621.72
Cuber Jackets Fall 2022 Final 14 17.12 21.65 53.1817.9017.1221.8125.24
Rocky Top 2019 Final 7 15.75 22.60 28.9115.7523.4222.6021.79
First round 9 22.08 26.39 31.7823.8525.0822.0830.23
Rocky Top 2018 Final 17 43.62 57.9243.62
Rocket City 2.0 2017 First round 22 59.94 1:06.60 1:21.8059.941:07.231:01.841:10.73
3x3x3 With Feet
Rocky Top 2019 Final 8 57.16 1:19.68 1:29.081:29.481:30.8257.161:00.47
Second round 9 1:09.00 1:13.59 1:09.761:10.421:09.001:20.591:21.72
First round 10 1:09.83 1:20.71 2:15.811:30.171:19.451:12.511:09.83
Peach State 2019 First round 8 1:16.87 1:23.28 1:16.871:32.091:17.391:26.121:26.33
Rocky Top 2018 Final 7 51.57 1:12.89 1:20.901:16.6251.571:01.161:29.74
Second round 7 1:04.82 1:16.38 1:17.141:13.861:18.131:20.121:04.82
First round 7 1:05.76 1:22.61 1:24.991:05.761:28.181:22.731:20.12
Windsor Classic 2018 Second round 11 1:39.35 2:10.21 3:26.752:54.701:39.351:47.891:48.05
First round 11 1:41.87 2:03.05 1:56.471:43.882:28.802:36.831:41.87
Cookies help us deliver our services. By using our services, you agree to our use of cookies.