Usage Statistics for www.informatik.uni-leipzig.de

Summary Period: June 2009
Generated 24-Jan-2010 15:38 CET

[Daily Statistics] [Hourly Statistics] [URLs] [Entry] [Exit] [Sites] [Search] [Users] [Countries]

Monthly Statistics for June 2009
Total Hits 5706001
Total Files 5024448
Total Pages 4361247
Total Visits 190422
Total KBytes 236996468
Total Unique Sites 106082
Total Unique URLs 32207
Total Unique Usernames 60
. Avg Max
Hits per Hour 7925 21626
Hits per Day 190200 274546
Files per Day 167481 251014
Pages per Day 145374 224610
Sites per Day 3536 6387
Visits per Day 6347 8066
KBytes per Day 7899882 13677476
Hits by Response Code
Code 200 - OK 88.06% 5024448
Code 206 - Partial Content 1.80% 102635
Code 301 - Moved Permanently 0.15% 8638
Code 302 - Found 1.53% 87392
Code 304 - Not Modified 6.39% 364358
Code 400 - Bad Request 0.00% 67
Code 401 - Unauthorized 0.04% 2092
Code 403 - Forbidden 0.16% 9252
Code 404 - Not Found 1.86% 105971
Code 405 - Method Not Allowed 0.01% 482
Code 406 - Not Acceptable 0.00% 11
Code 416 - Requested Range Not Satisfiable 0.01% 428
Code 500 - Internal Server Error 0.00% 82
Code 501 - Not Implemented 0.00% 2
Code 503 - Service Unavailable 0.00% 143

Daily usage for June 2009

Daily Statistics for June 2009
Day Hits Files Pages Visits Sites KBytes
1 182452 3.20% 162106 3.23% 143455 3.29% 6028 3.17% 4709 4.44% 6517091 2.75%
2 191732 3.36% 168120 3.35% 144644 3.32% 6639 3.49% 5301 5.00% 6854237 2.89%
3 177776 3.12% 153704 3.06% 128074 2.94% 7050 3.70% 5698 5.37% 8560828 3.61%
4 209717 3.68% 184470 3.67% 160710 3.68% 7228 3.80% 5365 5.06% 7212079 3.04%
5 233095 4.09% 209976 4.18% 190895 4.38% 6929 3.64% 5138 4.84% 6568621 2.77%
6 153665 2.69% 136026 2.71% 120757 2.77% 5506 2.89% 4132 3.90% 5678330 2.40%
7 142576 2.50% 125867 2.51% 108594 2.49% 5244 2.75% 4245 4.00% 6726775 2.84%
8 205871 3.61% 184255 3.67% 157657 3.61% 7161 3.76% 5562 5.24% 8345878 3.52%
9 274546 4.81% 251014 5.00% 224610 5.15% 7236 3.80% 5415 5.10% 12868356 5.43%
10 220402 3.86% 196047 3.90% 174136 3.99% 7123 3.74% 5355 5.05% 7147463 3.02%
11 161165 2.82% 137233 2.73% 112111 2.57% 6780 3.56% 5390 5.08% 7973870 3.36%
12 145444 2.55% 123110 2.45% 102213 2.34% 6182 3.25% 6387 6.02% 7083419 2.99%
13 139714 2.45% 123225 2.45% 106745 2.45% 5072 2.66% 4005 3.78% 8158574 3.44%
14 136242 2.39% 120169 2.39% 99436 2.28% 5416 2.84% 4233 3.99% 5662688 2.39%
15 264484 4.64% 235909 4.70% 209125 4.80% 8066 4.24% 6223 5.87% 7337607 3.10%
16 240871 4.22% 215046 4.28% 186981 4.29% 7777 4.08% 6071 5.72% 8678611 3.66%
17 240242 4.21% 213147 4.24% 187541 4.30% 7861 4.13% 5916 5.58% 7606421 3.21%
18 226529 3.97% 201906 4.02% 176534 4.05% 6805 3.57% 5589 5.27% 7089863 2.99%
19 193382 3.39% 170768 3.40% 149524 3.43% 6040 3.17% 5124 4.83% 5840371 2.46%
20 150864 2.64% 131046 2.61% 118386 2.71% 4976 2.61% 4159 3.92% 6526954 2.75%
21 129198 2.26% 113129 2.25% 95036 2.18% 4939 2.59% 4458 4.20% 7503773 3.17%
22 221123 3.88% 193561 3.85% 165781 3.80% 6590 3.46% 5667 5.34% 13031047 5.50%
23 216859 3.80% 188428 3.75% 161263 3.70% 6740 3.54% 5887 5.55% 9660151 4.08%
24 209289 3.67% 185351 3.69% 160407 3.68% 6715 3.53% 5691 5.36% 8717434 3.68%
25 180718 3.17% 152912 3.04% 129780 2.98% 6167 3.24% 5316 5.01% 13677476 5.77%
26 188809 3.31% 160758 3.20% 138515 3.18% 6132 3.22% 5128 4.83% 8560914 3.61%
27 145825 2.56% 127933 2.55% 116408 2.67% 4765 2.50% 4126 3.89% 6504323 2.74%
28 151073 2.65% 134450 2.68% 117981 2.71% 4830 2.54% 4222 3.98% 7881386 3.33%
29 192881 3.38% 170584 3.40% 145111 3.33% 6424 3.37% 5621 5.30% 6296228 2.66%
30 179457 3.15% 154198 3.07% 128837 2.95% 6640 3.49% 5683 5.36% 6725700 2.84%

Hourly usage for June 2009

Hourly Statistics for June 2009
Hour Hits Files Pages KBytes
Avg Total Avg Total Avg Total Avg Total
0 4026 120790 2.12% 3578 107358 2.14% 3140 94213 2.16% 101654 3049625 1.29%
1 3781 113454 1.99% 3312 99384 1.98% 2944 88325 2.03% 139284 4178508 1.76%
2 4285 128574 2.25% 3704 111139 2.21% 3321 99633 2.28% 186597 5597901 2.36%
3 6242 187276 3.28% 5398 161940 3.22% 4803 144117 3.30% 309987 9299611 3.92%
4 8686 260599 4.57% 7610 228302 4.54% 6959 208795 4.79% 369704 11091121 4.68%
5 10369 311093 5.45% 9273 278209 5.54% 8634 259030 5.94% 349346 10480383 4.42%
6 9078 272353 4.77% 8103 243092 4.84% 7498 224968 5.16% 308667 9260019 3.91%
7 7067 212020 3.72% 6249 187483 3.73% 5651 169536 3.89% 305483 9164500 3.87%
8 8266 247982 4.35% 7251 217534 4.33% 6403 192119 4.41% 324091 9722730 4.10%
9 10225 306763 5.38% 8898 266948 5.31% 7670 230103 5.28% 472363 14170886 5.98%
10 11657 349718 6.13% 10121 303641 6.04% 8670 260122 5.96% 463364 13900920 5.87%
11 11310 339305 5.95% 9961 298840 5.95% 8495 254858 5.84% 375063 11251903 4.75%
12 7910 237302 4.16% 6874 206221 4.10% 5595 167850 3.85% 459791 13793742 5.82%
13 7508 225265 3.95% 6477 194310 3.87% 5295 158856 3.64% 404137 12124112 5.12%
14 8577 257312 4.51% 7404 222140 4.42% 6045 181356 4.16% 373796 11213885 4.73%
15 10057 301717 5.29% 8835 265065 5.28% 7515 225470 5.17% 378630 11358900 4.79%
16 11341 340238 5.96% 10057 301739 6.01% 8604 258147 5.92% 581368 17441054 7.36%
17 11297 338936 5.94% 10094 302821 6.03% 8747 262420 6.02% 447372 13421172 5.66%
18 8735 262078 4.59% 7774 233234 4.64% 6699 200990 4.61% 318353 9550582 4.03%
19 6901 207047 3.63% 6133 184010 3.66% 5285 158566 3.64% 485200 14555993 6.14%
20 6282 188483 3.30% 5633 168992 3.36% 4850 145503 3.34% 191794 5753813 2.43%
21 5691 170734 2.99% 4986 149590 2.98% 4221 126658 2.90% 179047 5371415 2.27%
22 5843 175313 3.07% 5237 157122 3.13% 4487 134622 3.09% 214300 6429008 2.71%
23 5054 151649 2.66% 4511 135334 2.69% 3833 114990 2.64% 160489 4814682 2.03%

Top 50 of 32207 Total URLs
# Hits KBytes URL
1 2855051 50.04% 3807229 1.61% /~duc/TD/td/suggest.php
2 589054 10.32% 2183275 0.92% /~duc/TD/td/
3 111268 1.95% 1801698 0.76% /~duc/amlich/JavaScript/amlich-hnd.js
4 104609 1.83% 1124671 0.47% /~duc/amlich/PHP/
5 97629 1.71% 82707 0.03% /favicon.ico
6 68114 1.19% 227357 0.10% /~duc/Dict/
7 65796 1.15% 63084 0.03% /~duc/TD/td/ajax.js
8 59832 1.05% 195254 0.08% /~duc/PHP/td.php
9 58840 1.03% 622658 0.26% /~duc/TD/td/RTE/CVietButtonHTML.js
10 58183 1.02% 410878 0.17% /~duc/TD/td/RTE/CVietAddOn.js
11 57836 1.01% 152412 0.06% /~duc/TD/td/RTE/CVietMoz.js
12 48045 0.84% 6783 0.00% /~duc/TD/
13 46793 0.82% 15212 0.01% /~duc/amlich/JavaScript/currentmonth.html
14 33555 0.59% 7679 0.00% /~duc/amlich/
15 32576 0.57% 45850 0.02% /~duc/amlich/menu.html
16 30684 0.54% 44583 0.02% /~duc/amlich/PHP/amlich.css
17 29235 0.51% 474512 0.20% /
18 28185 0.49% 144985 0.06% /~duc/amlich/PHP/amlich.js
19 26735 0.47% 172362 0.07% /stdplan/stdplan.phtml
20 14225 0.25% 42132 0.02% /~duc/amlich/JavaScript/vncal_js.html
21 13402 0.23% 1629720 0.69% /~hai/media/mp3gsviet/wimpy.php
22 11381 0.20% 9356203 3.95% /~duc/Java/J2ME/MobiPocket/AnhViet-Unicode.zip
23 8874 0.16% 142046 0.06% /bsv/bsvneu/
24 7920 0.14% 73744 0.03% /~meyer/
25 7213 0.13% 3240229 1.37% /~duc/Java/J2ME/MobiPocket/VietAnh.zip
26 7076 0.12% 252249 0.11% /~hai/media/mp3gsviet/wimpy.swf
27 5549 0.10% 1932 0.00% /~duc/sach/dvsktt/dvsktt.css
28 5269 0.09% 223091 0.09% /~hai/ssp_director/p.php
29 5211 0.09% 26473 0.01% /~hai/media/mp3gsviet/skins/skin_bop.xml
30 5082 0.09% 61990 0.03% /ti/
31 4780 0.08% 1343 0.00% /~duc/amlich/JavaScript/currentyear.html
32 4252 0.07% 4 0.00% /~duc/PHP/saveLog.php
33 4179 0.07% 38514 0.02% /~duc/amlich/JavaScript/day.html
34 4067 0.07% 3802027 1.60% /~duc/Java/J2ME/MobiPocket/VietViet.zip
35 3765 0.07% 3462 0.00% /~duc/amlich/JavaScript/month.html
36 3638 0.06% 21671 0.01% /~duc/Dict/install.html
37 3339 0.06% 18737940 7.91% /~duc/Dict/StarDict-AnhViet_VietAnh.zip
38 3324 0.06% 8495 0.00% /~duc/sach/
39 3122 0.05% 2498 0.00% /bsv/bsvneu/images/images/favicon.ico
40 3086 0.05% 2186 0.00% /~duc/amlich/download.html
41 3025 0.05% 10301543 4.35% /~duc/Java/J2ME/MobiPocket/Wordnet-DICT.zip
42 2972 0.05% 2542045 1.07% /~duc/Dict/TuDienHND_Win32.exe
43 2863 0.05% 779 0.00% /~duc/amlich/day.xml
44 2798 0.05% 61061 0.03% /lehre/pruefamt/pruefungen.html
45 2599 0.05% 153141 0.06% /~duc/amlich/amlich.exe
46 2560 0.04% 750 0.00% /~duc/amlich/amlich.xml
47 2531 0.04% 1683273 0.71% /~duc/Java/J2ME/MobiPocket/AnhViet-TCVN.zip
48 2436 0.04% 21623 0.01% /lehre/pruefamt/
49 2422 0.04% 3990966 1.68% /~duc/Dict/AnhViet.zip
50 2240 0.04% 8994 0.00% /~duc/

Top 10 of 32207 Total URLs By KBytes
# Hits KBytes URL
1 3339 0.06% 18737940 7.91% /~duc/Dict/StarDict-AnhViet_VietAnh.zip
2 94 0.00% 13154520 5.55% /~thor/db2/dwbv95_win32.zip
3 3025 0.05% 10301543 4.35% /~duc/Java/J2ME/MobiPocket/Wordnet-DICT.zip
4 11381 0.20% 9356203 3.95% /~duc/Java/J2ME/MobiPocket/AnhViet-Unicode.zip
5 288 0.01% 7307074 3.08% /lehre/ifiinfo/flyer-version081225.pdf
6 2047 0.04% 4885260 2.06% /~duc/Java/J2ME/MobiPocket/AnhViet.zip
7 2422 0.04% 3990966 1.68% /~duc/Dict/AnhViet.zip
8 2855051 50.04% 3807229 1.61% /~duc/TD/td/suggest.php
9 4067 0.07% 3802027 1.60% /~duc/Java/J2ME/MobiPocket/VietViet.zip
10 7213 0.13% 3240229 1.37% /~duc/Java/J2ME/MobiPocket/VietAnh.zip

Top 15 of 4784 Total Entry Pages
# Hits Visits URL
1 68114 1.19% 42447 24.07% /~duc/Dict/
2 2855051 50.04% 22912 12.99% /~duc/TD/td/suggest.php
3 46793 0.82% 18821 10.67% /~duc/amlich/JavaScript/currentmonth.html
4 33555 0.59% 16624 9.42% /~duc/amlich/
5 29235 0.51% 9215 5.22% /
6 589054 10.32% 4984 2.83% /~duc/TD/td/
7 13402 0.23% 3622 2.05% /~hai/media/mp3gsviet/wimpy.php
8 104609 1.83% 3349 1.90% /~duc/amlich/PHP/
9 8874 0.16% 1663 0.94% /bsv/bsvneu/
10 7920 0.14% 1432 0.81% /~meyer/
11 26735 0.47% 1417 0.80% /stdplan/stdplan.phtml
12 3324 0.06% 1378 0.78% /~duc/sach/
13 4179 0.07% 1367 0.78% /~duc/amlich/JavaScript/day.html
14 3765 0.07% 1280 0.73% /~duc/amlich/JavaScript/month.html
15 5082 0.09% 1231 0.70% /ti/

Top 10 of 5319 Total Exit Pages
# Hits Visits URL
1 589054 10.32% 32688 18.69% /~duc/TD/td/
2 2855051 50.04% 31094 17.78% /~duc/TD/td/suggest.php
3 46793 0.82% 19108 10.93% /~duc/amlich/JavaScript/currentmonth.html
4 104609 1.83% 15944 9.12% /~duc/amlich/PHP/
5 29235 0.51% 6375 3.65% /
6 68114 1.19% 3558 2.03% /~duc/Dict/
7 13402 0.23% 2680 1.53% /~hai/media/mp3gsviet/wimpy.php
8 8874 0.16% 2087 1.19% /bsv/bsvneu/
9 2798 0.05% 1913 1.09% /lehre/pruefamt/pruefungen.html
10 26735 0.47% 1677 0.96% /stdplan/stdplan.phtml

Top 30 of 106082 Total Sites
# Hits Files KBytes Visits Hostname
1 687277 12.04% 608851 12.12% 37327262 15.75% 4259 2.24% localhost
2 319527 5.60% 306478 6.10% 7961831 3.36% 1015 0.53% adsl.viettel.vn
3 226854 3.98% 226713 4.51% 300352 0.13% 1595 0.84% 123-110-87-120.sh.dynamic.lsc.net.tw
4 177058 3.10% 176924 3.52% 234620 0.10% 224 0.12% 123-110-87-20.sh.dynamic.lsc.net.tw
5 116500 2.04% 106725 2.12% 5384973 2.27% 461 0.24% adsl-dynamic-pool-xxx.hcm.fpt.vn
6 112872 1.98% 104224 2.07% 4485757 1.89% 521 0.27% 203.162.3.167
7 108633 1.90% 98972 1.97% 5406244 2.28% 510 0.27% adsl-dynamic-pool-xxx.fpt.vn
8 87464 1.53% 74536 1.48% 5992822 2.53% 2 0.00% crawl-66-249-72-110.googlebot.com
9 81529 1.43% 81505 1.62% 108496 0.05% 560 0.29% 123-110-87-37.sh.dynamic.lsc.net.tw
10 62370 1.09% 57215 1.14% 4288549 1.81% 471 0.25% 203.162.3.157
11 45187 0.79% 31363 0.62% 4323804 1.82% 941 0.49% llf520140.crawl.yahoo.net
12 28073 0.49% 23758 0.47% 2297630 0.97% 2 0.00% crawl-66-249-72-163.googlebot.com
13 21077 0.37% 18904 0.38% 925096 0.39% 430 0.23% adsl.hnpt.com.vn
14 16542 0.29% 16535 0.33% 21996 0.01% 411 0.22% 114-137-176-200.dynamic.hinet.net
15 15027 0.26% 14985 0.30% 24823 0.01% 188 0.10% cpe-76-88-111-200.san.res.rr.com
16 14985 0.26% 12494 0.25% 1107493 0.47% 3 0.00% crawl-66-249-68-105.googlebot.com
17 13960 0.24% 13288 0.26% 141536 0.06% 217 0.11% 210-245-52-fiber-net-static-ip.fpt.vn
18 13681 0.24% 9812 0.20% 1220730 0.52% 255 0.13% llf520063.crawl.yahoo.net
19 13677 0.24% 13675 0.27% 21427 0.01% 118 0.06% cpe-75-84-238-218.socal.res.rr.com
20 13244 0.23% 13244 0.26% 241233 0.10% 76 0.04% voipfarm8.fvds.ru
21 11733 0.21% 11733 0.23% 15618 0.01% 36 0.02% 114-137-226-41.dynamic.hinet.net
22 11578 0.20% 7305 0.15% 32942 0.01% 47 0.02% 210.204.245.252
23 10761 0.19% 8432 0.17% 900396 0.38% 151 0.08% llf531087.crawl.yahoo.net
24 10273 0.18% 10103 0.20% 13376 0.01% 50 0.03% adsl-71-130-204-128.dsl.irvnca.pacbell.net
25 9154 0.16% 8386 0.17% 242228 0.10% 63 0.03% 203.162.3.170
26 8987 0.16% 5931 0.12% 9402 0.00% 30 0.02% 206.237.115-78.rev.gaoland.net
27 8728 0.15% 5845 0.12% 80856 0.03% 74 0.04% crawl-0c.cuil.com
28 8686 0.15% 7997 0.16% 59931 0.03% 20 0.01% wb1.stanford.edu
29 8197 0.14% 6977 0.14% 13791 0.01% 96 0.05% 125.212.176.188
30 7973 0.14% 7901 0.16% 13622 0.01% 100 0.05% abo-11-49-68.mts.modulonet.fr

Top 10 of 106082 Total Sites By KBytes
# Hits Files KBytes Visits Hostname
1 687277 12.04% 608851 12.12% 37327262 15.75% 4259 2.24% localhost
2 319527 5.60% 306478 6.10% 7961831 3.36% 1015 0.53% adsl.viettel.vn
3 87464 1.53% 74536 1.48% 5992822 2.53% 2 0.00% crawl-66-249-72-110.googlebot.com
4 108633 1.90% 98972 1.97% 5406244 2.28% 510 0.27% adsl-dynamic-pool-xxx.fpt.vn
5 116500 2.04% 106725 2.12% 5384973 2.27% 461 0.24% adsl-dynamic-pool-xxx.hcm.fpt.vn
6 112872 1.98% 104224 2.07% 4485757 1.89% 521 0.27% 203.162.3.167
7 45187 0.79% 31363 0.62% 4323804 1.82% 941 0.49% llf520140.crawl.yahoo.net
8 62370 1.09% 57215 1.14% 4288549 1.81% 471 0.25% 203.162.3.157
9 1518 0.03% 1492 0.03% 3531272 1.49% 4 0.00% 4205ds1-fa.0.fullrate.dk
10 15 0.00% 15 0.00% 3514621 1.48% 1 0.00% 217-68-180-54.dynamic.primacom.net

Top 20 of 60 Total Usernames
# Hits Files KBytes Visits Username
1 9386 0.16% 4102 0.08% 93280 0.04% 16 0.01% klasse
2 2224 0.04% 1831 0.04% 709562 0.30% 175 0.09% cns
3 2038 0.04% 2038 0.04% 524759 0.22% 2 0.00% gdti
4 1389 0.02% 1389 0.03% 21643 0.01% 45 0.02% admin
5 1257 0.02% 1257 0.03% 604095 0.25% 2 0.00% tinc
6 1217 0.02% 11 0.00% 33 0.00% 1 0.00% kellaithy
7 361 0.01% 360 0.01% 344587 0.15% 1 0.00% tinbs
8 234 0.00% 234 0.00% 6052 0.00% 29 0.02% fschmidt
9 92 0.00% 92 0.00% 626 0.00% 10 0.01% gast
10 37 0.00% 37 0.00% 480 0.00% 2 0.00% JulianeNeumann
11 28 0.00% 28 0.00% 55 0.00% 1 0.00% toangu1
12 26 0.00% 26 0.00% 240 0.00% 23 0.01% ges05eup
13 22 0.00% 22 0.00% 205 0.00% 21 0.01% jonasbaiz
14 22 0.00% 22 0.00% 55 0.00% 2 0.00% rubenNavarro
15 21 0.00% 21 0.00% 388 0.00% 1 0.00% martin18ka
16 21 0.00% 21 0.00% 653 0.00% 4 0.00% shaggy
17 20 0.00% 20 0.00% 157 0.00% 15 0.01% elvau
18 18 0.00% 18 0.00% 50627 0.02% 2 0.00% ties
19 17 0.00% 17 0.00% 92 0.00% 1 0.00% mai00fpz
20 16 0.00% 16 0.00% 279 0.00% 4 0.00% mam04dxr

Usage by Country for June 2009

Top 30 of 129 Total Countries
# Hits Files KBytes Country
1 2047860 35.89% 1811398 36.05% 105342949 44.45% Unresolved/Unknown
2 975232 17.09% 863269 17.18% 38582583 16.28% Network (net)
3 673056 11.80% 628707 12.51% 23033158 9.72% Viet Nam
4 597091 10.46% 520378 10.36% 28164648 11.88% Germany
5 489036 8.57% 488479 9.72% 912081 0.38% Taiwan
6 366870 6.43% 301249 6.00% 21294762 8.99% Commercial (com)
7 71016 1.24% 67617 1.35% 739257 0.31% Switzerland
8 67255 1.18% 61473 1.22% 1902856 0.80% Australia
9 63477 1.11% 59526 1.18% 494252 0.21% France
10 46257 0.81% 43673 0.87% 647805 0.27% Austria
11 45598 0.80% 42225 0.84% 709276 0.30% Canada
12 39959 0.70% 37507 0.75% 366238 0.15% Norway
13 25675 0.45% 23675 0.47% 803830 0.34% Czech Republic
14 25230 0.44% 21674 0.43% 795576 0.34% Japan
15 24249 0.42% 22188 0.44% 1043103 0.44% Educational (edu)
16 19420 0.34% 18299 0.36% 213105 0.09% Belgium
17 16491 0.29% 15890 0.32% 758459 0.32% Russian Federation
18 16289 0.29% 14915 0.30% 143817 0.06% Singapore
19 12466 0.22% 10664 0.21% 171702 0.07% Non-Profit (org)
20 8968 0.16% 7280 0.14% 111068 0.05% US Government (gov)
21 7597 0.13% 6760 0.13% 371884 0.16% Netherlands
22 6577 0.12% 6002 0.12% 597493 0.25% United Kingdom
23 6239 0.11% 4966 0.10% 34823 0.01% United States
24 4944 0.09% 4732 0.09% 343909 0.15% Finland
25 4574 0.08% 4437 0.09% 411912 0.17% Turkey
26 4315 0.08% 3926 0.08% 3730178 1.57% Denmark
27 4058 0.07% 3662 0.07% 166966 0.07% Poland
28 3907 0.07% 3365 0.07% 14103 0.01% US Military (mil)
29 3422 0.06% 3137 0.06% 389777 0.16% Hungary
30 3165 0.06% 2967 0.06% 503149 0.21% Italy


Generated by Webalizer Version 2.21