Year to Date
From 1 Jan 2026 0:00:50 to 4 Jan 2026 23:59:23
| Page | Total | | LSU | | Outside | |
AI-A, | (Bot? ) | (AI-C ) |
| /kak/ MahabharataII.pdf | 144 | = | 0 | + | 93 | + | 51, | ( 68) | ( 9) |
| /kak/ GarbhaUpanishad.pdf | 121 | = | 0 | + | 93 | + | 28, | ( 24) | ( 0) |
| /kak/ zoro.pdf | 70 | = | 0 | + | 38 | + | 32, | ( 12) | ( 5) |
| /gp/notes/ set-nv-org.pdf | 66 | = | 0 | + | 29 | + | 37, | ( 27) | ( 0) |
| /seminar/ sem_insert-insert2.js | 64 | = | 0 | + | 64 | + | 0, | ( 18) | ( 0) |
| /kak/               ast.pdf  | 45 | = | 0 | + | 34 | + | 11, | ( 13) | ( 3) |
| /ee4720/doc/ i64-ia32-basic-arch.pdf | 43 | = | 0 | + | 11 | + | 32, | ( 22) | ( 0) |
| /kak/ a3.pdf | 41 | = | 0 | + | 33 | + | 8, | ( 17) | ( 0) |
| /ipl/papers/ IEEE_SPM2005.pdf | 40 | = | 0 | + | 22 | + | 18, | ( 16) | ( 0) |
| /ee4720/doc/ riscv-bitmanip-1.0.0.pdf | 38 | = | 0 | + | 21 | + | 17, | ( 21) | ( 0) |
| /kak/ Akhenaten.pdf | 38 | = | 0 | + | 33 | + | 5, | ( 12) | ( 0) |
| /                   xinli  | 38 | = | 0 | + | 37 | + | 1, | ( 27) | ( 0) |
| /kak/ writ.pdf | 37 | = | 0 | + | 34 | + | 3, | ( 11) | ( 0) |
| /fac/ faculty-az-insert-fierce.js | 36 | = | 0 | + | 36 | + | 0, | ( 3) | ( 0) |
| /kak/ bhate.pdf | 36 | = | 0 | + | 23 | + | 13, | ( 9) | ( 0) |
| /kak/ Busan.html | 34 | = | 0 | + | 26 | + | 8, | ( 7) | ( 2) |
| /kak/ roopa51.pdf | 34 | = | 0 | + | 28 | + | 6, | ( 7) | ( 0) |
| /kak/               wonder.pdf  | 33 | = | 0 | + | 28 | + | 5, | ( 13) | ( 0) |
| /kak/ EarlyArchitecture.pdf | 31 | = | 0 | + | 28 | + | 3, | ( 12) | ( 0) |
| /kak/ shiva.pdf | 31 | = | 0 | + | 17 | + | 14, | ( 10) | ( 0) |
| /kak/ taj.pdf | 31 | = | 0 | + | 15 | + | 16, | ( 6) | ( 1) |
| /mcu/lawss/add_materials/FaultDetectionPart3.pdf | 30 | = | 0 | + | 9 | + | 21, | ( 22) | ( 0) |
| /koppel/gp/refs/ glspec21.pdf | 27 | = | 0 | + | 8 | + | 19, | ( 16) | ( 0) |
| /ee4720/ sam.pdf | 26 | = | 0 | + | 16 | + | 10, | ( 16) | ( 1) |
| /kemin/             robust.htm  | 26 | = | 0 | + | 8 | + | 18, | ( 22) | ( 2) |
| /tca/papers/ vanderwiel-00.pdf | 26 | = | 0 | + | 15 | + | 11, | ( 21) | ( 0) |
| /gp/refs/ gf100-whitepaper.pdf | 25 | = | 0 | + | 9 | + | 16, | ( 4) | ( 0) |
| /kemin/ essentials.htm | 25 | = | 0 | + | 20 | + | 5, | ( 16) | ( 1) |
| /ee3755/2013f/ cla.pdf | 24 | = | 0 | + | 16 | + | 8, | ( 11) | ( 3) |
| /gp/refs/NVIDIA-Turing-Architecture-Whitepaper.pdf | 24 | = | 0 | + | 5 | + | 19, | ( 14) | ( 1) |
| /kak/ ang3.pdf | 24 | = | 0 | + | 20 | + | 4, | ( 7) | ( 0) |
| /dyhah/EE4250_spring2007/Midtest2_sol.pdf | 23 | = | 0 | + | 23 | + | 0, | ( 0) | ( 1) |
| /dyhah/ee7200-1_fall2007/HW3_sol.pdf     | 23 | = | 0 | + | 23 | + | 0, | ( 0) | ( 1) |
| /gp/refs/ GLSLangSpec.4.60.pdf | 23 | = | 0 | + | 7 | + | 16, | ( 26) | ( 1) |
| /kak/ IndusFreqAnalysis.pdf | 23 | = | 0 | + | 19 | + | 4, | ( 11) | ( 0) |
| /dyhah/EE4250_spring2007/EE4250 05 Static MOS Gate Circuits - part I.pdf | 22 | = | 0 | + | 22 | + | 0, | ( 0) | ( 0) |
| /dyhah/ee7200-1_fall2007/HW4_sol.pdf | 22 | = | 0 | + | 22 | + | 0, | ( 0) | ( 1) |
| /ee4720/ exam-all.pdf | 22 | = | 0 | + | 20 | + | 2, | ( 11) | ( 0) |
| / hkn | 22 | = | 0 | + | 22 | + | 0, | ( 4) | ( 0) |
| /kak/               Time2.pdf  | 22 | = | 0 | + | 14 | + | 8, | ( 27) | ( 0) |
| /kak/ shruti.pdf | 22 | = | 0 | + | 15 | + | 7, | ( 9) | ( 1) |
| /mendrela/ EE3410ElMechEnergyConv.pdf | 22 | = | 0 | + | 15 | + | 7, | ( 15) | ( 0) |
| / xwzhou | 22 | = | 0 | + | 22 | + | 0, | ( 7) | ( 1) |
| /dyhah/EE4250_spring2007/HW2_sol.pdf | 21 | = | 0 | + | 21 | + | 0, | ( 0) | ( 1) |
| /dyhah/EE4250_spring2007/HW4_sol.pdf | 21 | = | 0 | + | 21 | + | 0, | ( 0) | ( 1) |
| /dyhah/EE7240_fall2006/HW2_sol.pdf       | 21 | = | 0 | + | 21 | + | 0, | ( 0) | ( 0) |
| /dyhah/ee7200-1_fall2007/HW5_sol.pdf | 21 | = | 0 | + | 21 | + | 0, | ( 0) | ( 1) |
| /dyhah/EE4250_spring2007/EE4250 04 MOS Inverter Circuits.pdf | 20 | = | 0 | + | 20 | + | 0, | ( 0) | ( 0) |
| /dyhah/EE4250_spring2007/EE4250 05 Static MOS Gate Circuits.pdf | 20 | = | 0 | + | 20 | + | 0, | ( 0) | ( 0) |
| /dyhah/ee7200-1_fall2007/EE7200-1 02 Microfabrication.pdf | 20 | = | 0 | + | 20 | + | 0, | ( 0) | ( 0) |
| Totals: | 6087 | | 1 | | 6086 | |
1052, | (13075 ) | 1223, |
| Distinct Hosts: | 0 | | 0 | | 0 | |
-1, | (1686 ) | ( -1 ) |
A category is chosen using these tests applied in order:
"Bot?", Hit from the same host requested robots.txt. (As Web indexers do.)
"LSU", Host name matches Perl regular expression \.lsu\.edu$.
"Outside", Any host name.
|
Browsers and other User Agents |
All Brwsrs Brand : Version Pct, ...
51.04% 77.79% Chrome : 143.0.x 18.9%, 139.0.0.0 11.2%,
: 142.0.0.0 9.9%, 120.0.x 4.7%, 140.0.0.0 4.4%,
: 124.0.x 3.5%, 131.0.x 3.3%, 108.0.x 3.2%,
: 116.0.0.0 2.7%, 109.0.x 2.2%, 114.0.x 2.1%.
: Android 9.1%, Linux 2.5%, Macintosh 47.6%,
: Unknown 0.2%, Windows 39.4%, iPhone 1.2%.
14.53% ChatGPT-User
12.19% meta-externalagent/1.1
11.45% 17.45% Safari : 604.1x 39.4%, 605.1.1x 30.7%, 537.36 24.5%,
: 601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0 2.6%,
: 10600.6.3 0.6%, 125.12 0.4%, 419.3 0.2%,
: 601.1 0.2%, 312.3.x 0.2%, 6533.21.2 0.1%,
: 312.5 0.1%.
: Android 25.1%, Macintosh 34.8%, Unknown 0.1%,
: Windows 0.1%, iPad 0.9%, iPhone 38.9%,
: iPod 0.1%.
2.21% Sogou web spider/4.0
2.19% 3.33% Firefox : 146.0 26.3%, 148.0 8.3%, 5.0 6.4%,
: 111.0 5.8%, 3.6.12x 5.1%, 3.6.8 3.2%,
: 3.6x 3.2%, 4.0bx 3.2%, 3.6.13 2.6%,
: 145.0 2.6%, 3.6.10 2.6%.
: Android 0.6%, Linux 34.6%, Macintosh 7.1%,
: Unknown 1.9%, Windows 55.8%.
1.04% Baiduspider/2.0
0.93% Wget/1.20.3
0.76% 1.15% Netscape : 5.0x 98.1%, 4.05 1.9%.
: Unknown 100.0%.
0.55% Thinkbot/0.5.8
Notes: MSIE refers to Microsoft Internet Explorer, Netscape refers
to Netscape Navigator, SeaMonkey refers to SeaMonkey and to older
versions (called the Mozilla Suite). Firefox
refers to Mozilla Firefox and to older versions (Mozilla Firebird,
Firebird™ and Phoenix). All shows the percentage of
accesses using the corresponding user agent, Brwsrs only counts
recognized web browsers. A version ending in x refers to
multiple sub-versions.
|
Accesses by Possible Robots |
Visits Hosts Possible Robot
6000 11 googlebot.com
2045 135 petalsearch.com
755 163 msn.com
653 1 216.73.216.219
418 248 yandex.com
364 87 amazonaws.com
346 42 semrush.com
|
Most Frequently Visiting Domains |
Visits Hosts Originating Domain
857 70 57.141.0
267 130 amazonaws.com
203 164 sogou.com
190 86 20.169.78
155 146 hwclouds-dns.com
147 60 sbcglobal.net
101 6 petalsearch.com
97 17 googleusercontent.com
94 16 138.91.30
79 62 baidu.com
76 30 20.169.73
76 5 62.109.145
71 65 googlezip.net
68 61 comcast.net
66 53 spectrum.com
|
Most Frequently Visiting Countries or Groups |
Visits Hosts Originating Country or Group
4982 2897 Unknown Origin
1280 842 com - Commercial
555 395 net - Network Provider
42 42 br - Brazil
38 25 cn - People's Republic of China
26 20 de - Germany
20 18 in - India
13 11 fr - France
11 11 ar - Argentina
11 5 edu - Educational
10 10 jp - Japan
8 2 jo - Jordan
7 7 ru - Russia
6 3 tw - Taiwan
5 5 sg - Singapore
Omitted promotional referrers: 193, promoted urls: 36.
|
Most Frequently Used Search Engines |
Visits Via Search Engine
13 www.google.com
1 www.bing.com
1 www.semanticscholar.org
1 ya.ru
|
Most Frequently Used Search Strings |
#e #s #p Visits Using Search Strings... ...Found Page (Most Visits)
1 1 1 5 www.ece.lsu.edu /kak/Busan.html
1 1 1 1 расширение Bit Manipulation risc-v/ee4720/doc/riscv-bitmanip-1.0.0.pdf
1 1 1 1 https://www.ece.lsu.edu/gp/ /gp
1 1 1 1 https://www.ece.lsu.edu/kak/a3.pdf /kak/a3.pdf
1 1 1 1 https://www.ece.lsu.edu/kak/rev-cradle.html/kak/rev-cradle.html
1 1 1 1 https://www.ece.lsu.edu/kak/shruti.pdf /kak/shruti.pdf
1 1 1 1 https://www.ece.lsu.edu/kak/writ.pdf /kak/writ.pdf
1 1 1 1 https://www.ece.lsu.edu/kak/zoro.pdf /kak/zoro.pdf
1 1 1 1 https://www.ece.lsu.edu/seminar/2022/t_islam_mohammad_0.pdf/seminar/2022/t_islam_mohammad_0.pdf
1 1 1 1 QFH2 /gveronis/papers_web/cleo08b.pdf
1 1 1 1 Two-level soft error vulnerability prediction on SMT/CMP architectures., https://www.baidu.com/q/lpeng/papers/tdsc-13.pdf
1 1 1 1 VENA ET VEDA /kak/vena.pdf
#e: Number of different search engines used, link is to the most
common engine.
#s: Number of search strings the line actually reports
on. For example, if the #s entry were 5 and the string shown were "Computers"
the line might report on search strings "Computers", "Computer", "+Computers",
"COMPUTERS", and even "-computers".
#p: Number of distinct pages that
were visited, the one with the most visits from
the string is shown.
From 1 Jan 2026 0:22:09 to 4 Jan 2026 23:55:56
| Page | Total | | LSU | | Outside | |
AI-A, | (Bot? ) | (AI-C ) |
| /gp/srefs/ R5xx_Acceleration_v1.2.pdf | 12 | = | 0 | + | 12 | + | 0, | ( 1) | ( 0) |
| /koppel/gp/srefs/montrym-05-micro-gf6800.pdf | 9 | = | 0 | + | 9 | + | 0, | ( 1) | ( 0) |
| /koppel/gp/srefs/ keckler-echelon.pdf | 8 | = | 0 | + | 8 | + | 0, | ( 2) | ( 0) |
| /gp/srefs/ p830-villa.pdf | 7 | = | 0 | + | 7 | + | 0, | ( 0) | ( 0) |
| /koppel/gp/srefs/ p130-kim.pdf | 6 | = | 0 | + | 6 | + | 0, | ( 3) | ( 0) |
| /v/ hdl_syn.pdf | 5 | = | 0 | + | 5 | + | 0, | ( 3) | ( 0) |
| /ee4720/s/          mprppc.pdf  | 4 | = | 0 | + | 4 | + | 0, | ( 0) | ( 0) |
| /koppel/gp/srefs/davidson-2014-gpu-sssp.pdf | 3 | = | 0 | + | 3 | + | 0, | ( 1) | ( 0) |
| Totals: | 81 | | 0 | | 81 | |
0, | ( 65 ) | 0, |
| Distinct Hosts: | 0 | | 0 | | 0 | |
-1, | ( 19 ) | ( -1 ) |
A category is chosen using these tests applied in order:
"Bot?", Hit from the same host requested robots.txt. (As Web indexers do.)
"LSU", Host name matches Perl regular expression \.lsu\.edu$.
"Outside", Any host name.
|
Browsers and other User Agents |
All Brwsrs Brand : Version Pct, ...
86.42% 87.50% Chrome : 135.0.0.0 62.9%, 109.0.0.0 21.4%,
: 121.0.0.0 2.9%, 52.0.9x 2.9%,
: 46.0.9501.1477 1.4%, 122.0.0.0 1.4%,
: 49.0.2129.1718 1.4%, 42.0.8777.1628 1.4%,
: 50.0.3677.1960 1.4%, 131.0.0.0 1.4%,
: 47.0.1798.1122 1.4%.
: Android 10.0%, Macintosh 84.3%, Windows 4.3%,
: iPhone 1.4%.
7.41% 7.50% Safari : 537.36 66.7%, 604.1x 33.3%.
: Android 66.7%, iPhone 33.3%.
4.94% 5.00% Firefox : 3.6.16 25.0%, 123.0 Config/92.2.7601.2 25.0%,
: 9.0a2 25.0%, 146.0 25.0%.
: Macintosh 25.0%, Windows 75.0%.
1.23% Brightbot 1.0
Notes: MSIE refers to Microsoft Internet Explorer, Netscape refers
to Netscape Navigator, SeaMonkey refers to SeaMonkey and to older
versions (called the Mozilla Suite). Firefox
refers to Mozilla Firefox and to older versions (Mozilla Firebird,
Firebird™ and Phoenix). All shows the percentage of
accesses using the corresponding user agent, Brwsrs only counts
recognized web browsers. A version ending in x refers to
multiple sub-versions.
|
Most Frequently Visiting Domains |
Denys Hosts Originating Domain
7 1 104.250.53
5 1 kwai.com
4 4 amazonaws.com
3 1 104.250.52
2 2 159.65.225
1 1 147.182.178
1 1 134.209.124
1 1 146.174.180
1 1 95.175.86
1 1 198.211.110
|
Most Frequently Visiting Countries or Groups |
Denys Hosts Originating Country or Group
68 60 Unknown Origin
10 6 com - Commercial
1 1 uy - Uruguay
1 1 in - India
|
Most Frequently Likely Referring Hosts |
Lnks Denys ...From Links on Host Most Common Linking Page and Target
20 23 www.ece.lsu.edu 2 From → /tca/s/reinman-01.pdf
Omitted promotional referrers: 0 promoted urls: 0
|
Most Frequently Used Search Strings |
#e #s #p Denys Using Search Strings... ...Found Page (Most Denys)
Status Codes (Access Outcomes)
Count Code Description
146 401 Unauthorized.
From 1 Jan 2026 0:06:09 to 4 Jan 2026 23:52:06
| Page | Total | | LSU | | Outside | |
AI-A, | (Bot? ) | (AI-C ) |
| / www.ece.lsu.edu | 153 | = | 0 | + | 153 | + | 0, | ( 27) | ( 0) |
| / wp-login.php | 52 | = | 0 | + | 52 | + | 0, | ( 4) | ( 0) |
| / administrator | 49 | = | 0 | + | 49 | + | 0, | ( 0) | ( 0) |
| /.git/ config | 40 | = | 0 | + | 40 | + | 0, | ( 0) | ( 0) |
| /.well-known/ traffic-advice | 38 | = | 0 | + | 38 | + | 0, | ( 0) | ( 0) |
| /                   .env  | 19 | = | 0 | + | 19 | + | 0, | ( 0) | ( 0) |
| /gveronis/edu/ gveronis | 18 | = | 0 | + | 18 | + | 0, | ( 0) | ( 0) |
| /lpeng/ wordpress | 18 | = | 0 | + | 18 | + | 0, | ( 3) | ( 0) |
| /phpBB2/ viewtopic.php | 17 | = | 0 | + | 17 | + | 0, | ( 3) | ( 0) |
| /biomems/fonts/ icomoon.woff | 14 | = | 0 | + | 14 | + | 0, | ( 2) | ( 0) |
| / ip | 14 | = | 0 | + | 14 | + | 0, | ( 0) | ( 0) |
| /gp/refs/  gf100-whitepaper.pdf%E2%96%AA  | 12 | = | 0 | + | 12 | + | 0, | ( 0) | ( 0) |
| /cgi-bin/../../../../../../../../../../bin/sh | 11 | = | 0 | + | 11 | + | 0, | ( 0) | ( 0) |
| /lpeng/wordpress/ ?page_id=4 | 10 | = | 0 | + | 10 | + | 0, | ( 3) | ( 0) |
| /+CSCOL+/ Java.jar | 8 | = | 0 | + | 8 | + | 0, | ( 0) | ( 0) |
| /+CSCOL+/ a1.jar | 8 | = | 0 | + | 8 | + | 0, | ( 0) | ( 0) |
| /xinli/Research/ VMap09TASE.pdf | 8 | = | 0 | + | 8 | + | 0, | ( 2) | ( 0) |
| / 404.php | 7 | = | 0 | + | 7 | + | 0, | ( 0) | ( 0) |
| /                   css.php  | 7 | = | 0 | + | 7 | + | 0, | ( 0) | ( 0) |
| /swei/Documents/publications/secrecy.feedback.2012.pdf | 7 | = | 0 | + | 7 | + | 0, | ( 0) | ( 0) |
| Totals: | 2524 | | 2 | | 2522 | |
0, | (9597 ) | 185, |
| Distinct Hosts: | 0 | | 0 | | 0 | |
-1, | ( 138 ) | ( -1 ) |
A category is chosen using these tests applied in order:
"Bot?", Hit from the same host requested robots.txt. (As Web indexers do.)
"LSU", Host name matches Perl regular expression \.lsu\.edu$.
"Outside", Any host name.
|
Browsers and other User Agents |
All Brwsrs Brand : Version Pct, ...
52.81% 74.62% Chrome : 60.0.x 34.2%, 135.0.0.0 20.3%, 121.0.x 4.5%,
: 122.0.x 4.2%, 81.0.4044.x 3.4%,
: 109.0.0.0 2.5%, 143.0.0.0 2.4%,
: 108.0.0.0 1.8%, 114.0.0.0 1.6%, 120.0.x 1.3%,
: 134.0.0.0 1.3%.
: Android 40.3%, Linux 6.7%, Macintosh 27.4%,
: Unknown 0.2%, Windows 24.2%, iPhone 1.3%.
10.74% python-requests: 2.27.1 99.1%, 2.31.0 0.5%, 2.32.5 0.5%.
: Unknown 100.0%.
6.83% Go-http-client/1.1
6.20% 8.76% Safari : 605.1.1x 71.7%, 604.1x 22.0%, 537.36 5.5%,
: 534.30 0.8%.
: Android 6.3%, Macintosh 70.9%, iPad 2.4%,
: iPhone 20.5%.
5.95% 8.41% Firefox : 111.0 13.9%, 48.0 13.9%, 122.0 13.1%,
: 119.0.1 10.7%, 121.0 9.8%, 118.0.2 7.4%,
: 120.0.1 5.7%, 123.0 4.9%, 137.0 3.3%,
: 148.0 2.5%, 3.6x 1.6%.
: Linux 23.0%, Macintosh 15.6%, Unknown 0.8%,
: Windows 60.7%.
4.78% AppleWebKit/537.36 (KHTML
4.49% 6.34% Netscape : 5.0 71.7%, 5.0 zgrab/0.x 18.5%,
: 5.0 AppleWebKit/537.36 8.7%,
: 5.0 Jenkins-Scanner/1.0 1.1%.
: Unknown 100.0%.
1.85% Chrome Privacy Preserving Prefetch Proxy
1.27% 1.79% MSIE : 9.0 53.8%, 10.0 46.2%.
: Windows 100.0%.
1.17% GenomeCrawlerd/1.0
Notes: MSIE refers to Microsoft Internet Explorer, Netscape refers
to Netscape Navigator, SeaMonkey refers to SeaMonkey and to older
versions (called the Mozilla Suite). Firefox
refers to Mozilla Firefox and to older versions (Mozilla Firebird,
Firebird™ and Phoenix). All shows the percentage of
accesses using the corresponding user agent, Brwsrs only counts
recognized web browsers. A version ending in x refers to
multiple sub-versions.
|
Most Frequently Visiting Domains |
Misses Hosts Originating Domain
274 16 amazonaws.com
170 1 4.193.210
154 1 159.65.155
126 1 143.110.148
114 1 143.198.203
109 1 159.223.78
108 1 152.42.204
102 1 academyforinternetresearch.org
68 1 78.142.18
66 1 178.128.89
|
Most Frequently Visiting Countries or Groups |
Misses Hosts Originating Country or Group
1823 561 Unknown Origin
437 100 com - Commercial
122 5 org - Non-commercial, non-governmental organization
43 16 net - Network Provider
17 17 br - Brazil
10 6 cn - People's Republic of China
10 5 arpa
9 1 security
8 3 network
6 6 mx - Mexico
|
Most Frequently Likely Referring Hosts |
Lnks Misses ...From Links on Host Most Common Linking Page and Target
136 286 www.ece.lsu.edu 49 From → /sitemap.xml
1 13 faculty.csu.edu.cn All From → /gveronis/edu/gveronis
1 1 www.facebook.com All From → /wp-admin
1 1 www.copetti.org All From → /koppel/gp/notes/set-study-gf3.pdf
Omitted promotional referrers: 185 promoted urls: 109
|
Most Frequently Used Search Strings |
#e #s #p Misses Using Search Strings... ...Found Page (Most Misses)
3 1 2 3 wordpress /wp-login.php
1 1 1 2 SHOW DIAGNOSTICS /query
1 1 1 1 Set-Cookie content /eng/ece
#e: Number of different search engines used, link is to the most
common engine.
#s: Number of search strings the line actually reports
on. For example, if the #s entry were 5 and the string shown were "Computers"
the line might report on search strings "Computers", "Computer", "+Computers",
"COMPUTERS", and even "-computers".
#p: Number of distinct pages that
were missed, the one with the most misses from
the string is shown.
Status Codes (Access Outcomes)
Count Code Description
403 400 Syntax error in request.
399 403 Forbidden.
11247 404 Not found.
2 408 Request timeout.
3 416 Range not satisfiable.
67 500 Server error.