Web Server Statistics


HITS  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
REFUSALS  Pages  Browsers  Visitors  Countries  Referrers  Searches
MISSES  Pages  Browsers  Visitors  Countries  Referrers  Searches

Preceding Two Days



Graph showing hits.

Visits (Successful Accesses)

From 23 Apr 2026 0:00:07 to 24 Apr 2026 23:58:59


Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Visited Pages

Page  TotalLSUOutside AI-A,(Bot? )(AI-C )
/seminar/           sem_insert_fierce.js  106 = 7 + 99 + 0,( 18)( 0)
/lsu-cms/           ece-mc-css-main-1.js  105 = 7 + 98 + 0,( 14)( 0)
/kak/               GarbhaUpanishad.pdf  58 = 0 + 54 + 4,( 13)( 0)
/                   ee4720  51 = 3 + 48 + 0,( 7)( 0)
/koppel/gp/refs/NVIDIA-Turing-Architecture-Whitepaper.pdf 45 = 0 + 8 + 37,( 91)( 1)
/mcu/lawss/add_materials/FaultDetectionPart1.pdf 40 = 0 + 9 + 31,( 26)( 0)
/fac/        faculty-az-insert-fierce.js  39 = 5 + 34 + 0,( 4)( 0)
/gp/notes/          set-nv-org.pdf  37 = 0 + 26 + 11,( 43)( 1)
/kak/               zoro.pdf  36 = 0 + 30 + 6,( 15)( 1)
/ipl/papers/        IEEE_SPM2005.pdf  33 = 0 + 15 + 18,( 33)( 0)
/ee4720/            4720hp.svg  31 = 3 + 28 + 0,( 1)( 0)
/ee4720/doc/     i64-ia32-basic-arch.pdf  31 = 0 + 7 + 24,( 79)( 0)
/ee4720/            hw-all.pdf  29 = 1 + 11 + 17,( 166)( 1)
/mcu/lawss/add_materials/FaultDetectionPart3.pdf 29 = 0 + 8 + 21,( 27)( 0)
/ee4720/            prev.html  28 = 3 + 25 + 0,( 4)( 0)
/kak/               MahabharataII.pdf  27 = 0 + 22 + 5,( 39)( 1)
/kemin/             essentials.htm  26 = 0 + 20 + 6,( 6)( 0)
/ee3755/2013f/      cla.pdf  24 = 0 + 22 + 2,( 38)( 0)
/ee4720/2026/       hw07.pdf  24 = 3 + 21 + 0,( 3)( 1)
/lsu-cms/           ece-mc-lab-index.js  24 = 0 + 24 + 0,( 7)( 0)
/kak/               ast.pdf  23 = 0 + 19 + 4,( 64)( 1)
/kak/               bhate.pdf  23 = 0 + 9 + 14,( 20)( 0)
/                   koppel  22 = 2 + 20 + 0,( 3)( 2)
/fac/         Koppelman-insert-fierce.js  20 = 0 + 20 + 0,( 1)( 0)
/kak/               Akhenaten.pdf  19 = 0 + 16 + 3,( 28)( 6)
/lsu-cms/           ece-mc-labs.js  19 = 0 + 19 + 0,( 5)( 0)
/kak/               indic.pdf  18 = 0 + 16 + 2,( 4)( 2)
/ee4720/doc/        vax.pdf  17 = 0 + 14 + 3,( 17)( 0)
/kak/               roopa51.pdf  17 = 0 + 12 + 5,( 22)( 0)
/tca/papers/        vanderwiel-00.pdf  17 = 0 + 12 + 5,( 32)( 0)
/kak/         KAKThePaninianApproach.pdf  16 = 0 + 11 + 5,( 8)( 0)
/kak/               cons.pdf  16 = 0 + 16 + 0,( 5)( 0)
/                   wu  16 = 0 + 16 + 0,( 1)( 0)
/kak/               MachinesCons.pdf  15 = 0 + 15 + 0,( 2)( 0)
/kemin/             robust.htm  15 = 0 + 9 + 6,( 14)( 0)
/ee4720/doc/        mips32-r6-2a.pdf  14 = 0 + 7 + 7,( 49)( 2)
/kak/               ang3.pdf  14 = 0 + 12 + 2,( 19)( 0)
/kak/               shiva.pdf  14 = 0 + 8 + 6,( 11)( 0)
/scalzo/            RFID Inventory.pdf  14 = 0 + 10 + 4,( 5)( 0)
/ee4720/doc/    riscv-bitmanip-1.0.0.pdf  13 = 0 + 5 + 8,( 20)( 0)
/feldman/4002/      Statistics.html  13 = 0 + 11 + 2,( 2)( 0)
/gp/refs/           GLSLangSpec.4.60.pdf  13 = 0 + 11 + 2,( 58)( 0)
/gunturk/EE7700/    Eigenface.pdf  13 = 0 + 5 + 8,( 19)( 0)
/                   gveronis  13 = 0 + 13 + 0,( 3)( 2)
/kak/               RReality.pdf  13 = 0 + 10 + 3,( 30)( 0)
/kak/               plan.pdf  13 = 0 + 10 + 3,( 8)( 0)
/kak/               sutra.pdf  13 = 0 + 12 + 1,( 8)( 2)
/kak/               vena.pdf  13 = 0 + 13 + 0,( 5)( 1)
/kak/               writ.pdf  13 = 0 + 12 + 1,( 19)( 2)
/                   kemin  13 = 0 + 13 + 0,( 4)( 0)
Totals:45201984322 781,(7923 ) 561,
Distinct Hosts:000 -1,(1243 )( -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.

Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Browsers and other User Agents

     All   Brwsrs  Brand     : Version Pct, ...
  47.62%   61.77%  Chrome    : 147.0.0.0 26.5%,  135.0.0.0  9.9%, 
                             : 142.0.0.0  8.3%,  143.0.0.0  4.2%,  146.0.x  4.0%, 
                             : 120.0.0.0  3.7%,  133.0.0x  3.6%, 
                             : 136.0.0.0  3.4%,  132.0.x  2.8%,  131.0.x  2.3%, 
                             : 139.0.0.0  2.3%.
                             : Android 16.2%,  Linux  1.4%,  Macintosh 32.6%, 
                             : Unknown  0.4%,  Windows 47.7%,  iPhone  1.7%.
  23.60%   30.61%  Safari    : 605.1.15x 40.5%,  537.36 40.2%,  604.1x 14.5%, 
                             : 601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0  1.4%, 
                             : 184.1  1.1%,  260.1  0.7%,  10600.6.3  0.3%, 
                             : 180.1  0.3%,  170.1  0.2%,  172.1  0.2%, 
                             : 533.1  0.2%.
                             : Android 39.0%,  Linux  0.1%,  Macintosh 43.5%, 
                             : Unknown  1.5%,  Windows  0.2%,  iPad   0.2%, 
                             : iPhone 15.4%,  iPod   0.1%.
  14.65%           ChatGPT-User
   4.70%    6.10%  Firefox   : 149.0 46.2%,  150.0 12.9%,  148.0  7.2%, 
                             : 152.0  6.4%,  133.0  4.0%,  135.0  3.6%, 
                             : 115.0  3.6%,  123.0x  2.0%,  145.0  2.0%, 
                             : 111.0  1.6%,  3.6.12  1.6%.
                             : Android  1.2%,  Linux 50.2%,  Macintosh 15.3%, 
                             : Windows 33.3%.
   2.51%           Python/3.12 aiohttp/3.12.12
   1.44%           YisouSpider
   1.04%    1.35%  Netscape  : 5.0 AppleWebKit/537.36 94.5%,  5.0    3.6%, 
                             : 5.0 (compatible)  1.8%.
                             : Unknown 100.0%.
   0.60%           Baiduspider-render/2.0
   0.57%           finepdf-downloader/1.0
   0.45%           Baiduspider/2.0

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.


Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Accesses by Possible Crawlers
 Visits  Crawler
    996  Googlebot
    320  bingbot
    311  ClaudeBot
    289  23.98.142.177
    274  23.98.142.182
    274  23.98.142.179
    267  23.98.142.191

Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Frequently Visiting Domains
    Visits  Hosts  Originating Domain
       539    125  amazonaws.com
       172    127  googlezip.net
       133      1  mikegpts-XXX.lsu.edu
       130     71  20.169.78
       114     22  cox.net
        76     23  sbcglobal.net
        63     51  207.180.11
        61     45  20.215.220
        56     56  apple.com
        52     24  40.67.183
        52     49  baidu.com
        51     49  googleusercontent.com
        49     16  20.194.157
        47     24  20.169.73
        45     25  145.223.130

Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Frequently Visiting Countries or Groups
    Visits  Hosts  Originating Country or Group
      3366   2301  Unknown Origin
       872    414  com   - Commercial
       506    285  net   - Network Provider
       207     28  edu   - Educational
       104     77  br    - Brazil
        41     25  de    - Germany
        22     22  fr    - France
        11     11  ec    - Ecuador
        11     10  in    - India
        10      8  es    - Spain
         9      9  ar    - Argentina
         9      9  ru    - Russia
         9      9  co    - Colombia
         7      7  mx    - Mexico
         7      3  kg    - Kyrgyzstan

Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Referred Pages
Lnks Visits Page Most Common Linking Page
3 7 /kak/Akhenaten.pdf 3 m.facebook.com
2 3 /v/2019/lsli-event-q.pdf 2 www.terapines.com
2 2 /kak/MahabharataII.pdf 1 en.wikipedia.org
1 1 /ipl/papers/IEEE_CSVT2002.pdf All patents.google.com
1 1 /kak/bhate.pdf All en.wikipedia.org
1 1 /lcpc2005/papers/lcpc05-paper-04.pdf All en.wikipedia.org
1 1 /kak/chro.pdf All en.wikipedia.org
1 1 /jxr/index.html All www.lsu.edu
1 1 /gunturk/EE7700/A_Combined_Corner_and_Edge_Detector.pdf All mahendrathapa.medium.com
1 1 /kak/a3.pdf All en.wikipedia.org
Omitted promotional referrers: 92, promoted urls: 35.
Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Frequently Used Search Engines
Visits Via Search Engine
     7 www.google.com
     2 scholar.google.com

Top  Pages  Browsers  Robots  Visitors  Countries  Referred  Engines  Searches
Most Frequently Used Search Strings
 #e #s #p Visits Using Search Strings...                ...Found Page (Most Visits)
  1  1  1     2  https://www.ece.lsu.edu/kak/GarbhaUpanishad.pdf/kak/GarbhaUpanishad.pdf
  1  1  1     1  A Heuristic for Clock Selection in High-Level Synthesis./jxr/papers-pdf/aspdac02-clock.pdf
  1  1  1     1  https://www.ece.lsu.edu/ee4720/2022/lsli06.pdf/ee4720/2022/lsli06.pdf
  1  1  1     1  https://www.ece.lsu.edu/gp/notes/set-nv-org.pdf/gp/notes/set-nv-org.pdf
  1  1  1     1  https://www.ece.lsu.edu/kak/EarlyArchitecture.pdf/kak/EarlyArchitecture.pdf
  1  1  1     1  https://www.ece.lsu.edu/swei/ /swei
  1  1  1     1  https://www.ece.lsu.edu/swei/Documents/Case_book/external_review_swei_FPAP.pdf/swei/Documents/Case_book/external_review_swei_FPAP.pdf
  1  1  1     1  Information Sciences /kak/gen.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.



Refused (Unauthorized)

From 23 Apr 2026 0:23:25 to 24 Apr 2026 23:36:20


Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Refused Pages

Page  TotalLSUOutside AI-A,(Bot? )(AI-C )
/jxr/7000/          stuff  5 = 0 + 5 + 0,( 0)( 0)
/ee4720/s/          hinton_p4.pdf  3 = 0 + 3 + 0,( 0)( 1)
/v/s/              genus_chipwareref.pdf  3 = 0 + 3 + 0,( 0)( 0)
/v/s/               genus_user.pdf  3 = 0 + 3 + 0,( 1)( 0)
/ee4720/            kessler99.pdf  2 = 0 + 2 + 0,( 3)( 0)
/gp/srefs/    R5xx_Acceleration_v1.2.pdf  2 = 0 + 2 + 0,( 0)( 0)
/gp/srefs/          p830-villa.pdf  2 = 0 + 2 + 0,( 1)( 0)
/jxr/courses/7700-lowpower/stuff         2 = 0 + 2 + 0,( 0)( 0)
Totals:48048 0,( 22 ) 3,
Distinct Hosts:000 -1,( 13 )( -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.

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Browsers and other User Agents

     All   Brwsrs  Brand     : Version Pct, ...
  60.42%   61.70%  Safari    : 537.36 65.5%,  605.1.15 31.0%,  170.1  3.4%.
                             : Android 65.5%,  Macintosh 34.5%.
  37.50%   38.30%  Chrome    : 142.0.0.0 55.6%,  147.0.0.0 27.8%, 
                             : 48.0.2564.116  5.6%,  143.0.0.0  5.6%, 
                             : 119.0.0.0  5.6%.
                             : Android 11.1%,  Macintosh 61.1%,  Windows 27.8%.
   2.08%           Baiduspider/2.0

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.


Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Visiting Domains
     Denys  Hosts  Originating Domain
        19     18  amazonaws.com
         2      2  208.240.29
         2      1  223.231.159
         2      1  43.166.169
         1      1  43.166.149
         1      1  hosted-by-vdsina.com
         1      1  145.223.130
         1      1  baidu.com
         1      1  netskope-rdns.com
         1      1  sistemaspalaciosrevdns.com

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Visiting Countries or Groups
     Denys  Hosts  Originating Country or Group
        24     23  com   - Commercial
        23     21  Unknown Origin
         1      1  net   - Network Provider

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Likely Referring Hosts
 Lnks   Denys  ...From Links on Host      Most Common Linking Page and Target
    9      11  www.ece.lsu.edu               3 From/v/s/genus_user.pdf
Omitted promotional referrers: 0 promoted urls: 0
Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Used Search Strings
 #e #s #p  Denys Using Search Strings...                ...Found Page (Most Denys)

Status Codes (Access Outcomes)

Count Code Description 70 401 Unauthorized.


Misses (Target Missing, etc)

From 23 Apr 2026 0:00:31 to 24 Apr 2026 23:43:09


Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Missed Pages

Page  TotalLSUOutside AI-A,(Bot? )(AI-C )
/                   wp-login.php  71 = 0 + 71 + 0,( 6)( 0)
/                   administrator  61 = 0 + 61 + 0,( 2)( 0)
/.well-known/       traffic-advice  33 = 0 + 33 + 0,( 3)( 0)
/                   www.ece.lsu.edu 28 = 0 + 28 + 0,( 43)( 0)
/lpeng/wordpress/   ?page_id=45  22 = 0 + 22 + 0,( 2)( 0)
/smehraeen/Assets/js/javascript.js       21 = 0 + 21 + 0,( 2)( 0)
/smehraeen/Assets/js/jquery.pngFix.pack.js 19 = 0 + 19 + 0,( 3)( 0)
/smehraeen/Assets/js/jquery-1.2.6.min.js 16 = 0 + 16 + 0,( 2)( 0)
/                   .env  12 = 0 + 12 + 0,( 1)( 0)
/lpeng/wordpress/   ?page_id=4  11 = 0 + 11 + 0,( 0)( 0)
/                   ip  10 = 0 + 10 + 0,( 0)( 0)
/jxr/cgo14-tutorial/slides/03_cgo14-tut-introcompilers.pdf 10 = 0 + 10 + 0,( 0)( 0)
/lpeng/             wordpress  10 = 0 + 10 + 0,( 4)( 0)
/lpeng/wordpress/   ?page_id=42  9 = 0 + 9 + 0,( 0)( 0)
/phpBB2/            viewtopic.php  9 = 0 + 9 + 0,( 3)( 0)
/.git/              config  7 = 0 + 7 + 0,( 0)( 0)
/eng/               ece  7 = 0 + 7 + 0,( 185)( 0)
/lpeng/             wp-login.php  7 = 0 + 7 + 0,( 0)( 0)
/file-manager/      initialize  6 = 0 + 6 + 0,( 0)( 0)
/                   wp-admin  5 = 0 + 5 + 0,( 0)( 0)
Totals:8632861 2,(15738 ) 27,
Distinct Hosts:000 -1,( 101 )( -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.

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Browsers and other User Agents

     All   Brwsrs  Brand     : Version Pct, ...
  40.69%   46.09%  Chrome    : 120.0.x 12.5%,  114.0.0.0  8.1%,  119.0.x  7.1%, 
                             : 147.0.0.0  6.4%,  122.0.x  5.8%,  121.0.x  5.8%, 
                             : 146.0.0.0  5.4%,  118.0.5993.88  4.4%, 
                             : 131.0.0.0  3.7%,  135.0.0.0  2.7%, 
                             : 116.0.0.0  2.7%.
                             : Android 15.3%,  Linux 11.9%,  Macintosh 30.2%, 
                             : Unknown  1.0%,  Windows 41.7%.
  23.31%   26.41%  Firefox   : 148.0 19.5%,  111.0 13.0%,  121.0  8.9%, 
                             : 122.0  8.9%,  120.0.1  8.3%,  119.0.1  8.3%, 
                             : 118.0.2  7.1%,  48.0   4.1%,  32.0   3.6%, 
                             : 123.0x  1.8%,  149.0  1.8%.
                             : Android  1.8%,  Linux 21.3%,  Macintosh 20.1%, 
                             : Windows 56.8%.
  12.41%   14.06%  Safari    : 605.1x 54.4%,  537.36 32.2%,  170.1  2.2%, 
                             : 604.1  2.2%,  532.2 Pre/1.0  1.1%,  180.1  1.1%, 
                             : 9537.53  1.1%,  8536.25  1.1%,  534.30  1.1%, 
                             : 523.12.2  1.1%,  13604.5.6  1.1%.
                             : Android 34.4%,  Macintosh 58.9%,  Unknown  1.1%, 
                             : iPad   1.1%,  iPhone  4.4%.
   7.59%    8.59%  MSIE      : 9.0   85.5%,  10.0   5.5%,  6.0    3.6%, 
                             : 7.0    1.8%,  4.01   1.8%,  8.0    1.8%.
                             : Unknown  1.8%,  Windows 98.2%.
   4.55%           Chrome Privacy Preserving Prefetch Proxy
   4.00%    4.53%  Netscape  : 5.0 AppleWebKit/537.36 79.3%, 
                             : 5.0 zgrab/0.x 17.2%,  5.0    3.4%.
                             : Unknown 96.6%,  Windows  3.4%.
   1.79%           AppleWebKit: 537.36 92.3%, 
                             : 603.3.8 (KHTML, like Gecko) Mobile/14G60 baiduboxapp/0_11.0.1.8_enohpi_4331_057/3.3.01_1C2%259enohPi/1099a/1FC7DAA4975A1AC9FBCC5B172A4AE8FCEC3D8D836FCIMFHREQI/1  7.7%.
                             : Windows 92.3%,  iPhone  7.7%.
   0.83%           Baiduspider/2.0
   0.55%           crawler
   0.55%           Nmap Scripting Engine

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.


Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Visiting Domains
    Misses  Hosts  Originating Domain
       121      2  78.142.18
       106      1  68.221.64
        43     26  amazonaws.com
        33      1  103.21.124
        33     12  google.com
        31      1  192.253.248
        22      1  37.60.141
        19      1  141.98.10
        16      1  193.142.147
        15      1  167.96.238

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Visiting Countries or Groups
    Misses  Hosts  Originating Country or Group
       700    243  Unknown Origin
       118     75  com   - Commercial
        12      9  net   - Network Provider
         6      4  br    - Brazil
         5      3  arpa
         3      3  network
         2      2  de    - Germany
         2      1  edu   - Educational
         2      1  us    - United States
         2      2  org   - Non-commercial, non-governmental organization

Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Likely Referring Hosts
 Lnks  Misses  ...From Links on Host      Most Common Linking Page and Target
   43     124  www.ece.lsu.edu              16 From → /smehraeen/Assets/js/jquery-1.2.6.min.js
    1       2  faculty.csu.edu.cn          All From → /gveronis/edu/gveronis
    1       1  www.facebook.com            All From → /wp-login.php
Omitted promotional referrers: 148 promoted urls: 19
Top  Pages  Browsers  Visitors  Countries  Referrers  Searches
Most Frequently Used Search Strings
 #e #s #p Misses Using Search Strings...                ...Found Page (Most Misses)
  1  1  1     2  mathematics major revision多久 /kak/ranjan1.pdf","logCommonInfo":
  1  1  1     2  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 420 400 Syntax error in request. 481 403 Forbidden. 15631 404 Not found. 6 408 Request timeout. 1 416 Range not satisfiable. 64 500 Server error.