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Profiling visitors of vangoghletters.org
Investigating Usage and Users of Digital Resources
Content
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Why analyze log data Log data's possibilities and limitations Tools for log analysis Edition of Van Gogh letters Findings
Visits, pages, duration Where from Use of navigational facilities Characterizing users' interests
Conclusions
Why analyze log data
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Study users Usability problems Check usage of site components Customise site to user Visitor characteristics and propensities
Collecting info Observation Questionnaire Log data
Log data available
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95.114.173.255 - - [10/Jun/2011:11:37:22 +0200] "GET /vg/index.html HTTP/1.1" 200 11031 "http://es.wikipedia.org/wiki/Vincent_van_Gogh" "Mozilla/5.0 (Windows; U; Windows NT 6.1; es-ES; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13"
IP address
Timestamp
Response code, page size Referring page
Requested page
User agent
Caveats
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Every object request recorded in log large amount of data No request no data recorded No identification of session Lots of traffic from robots
Log analyzers (AWStats)
Log analyzers (AWStats)
Google Analytics
Taming log data Period February 6– September 5, 2011
Number of log lines Ca. 8,053,000
Number of pages (after cleaning) 946,000
IP numbers 'Computers' 'Sessions' Sessions >1 page Return visits
51473 58491 85409 55218 26918
Pages per session 11.1
Pages per session (> 1 page) 16.6
Time per session (sec.) 292
Time per session (> 1 page) (sec.) 452
Returning visitors 7714
Avg. sessions of returning visitors 4.5
4356
2341
587 268 106 35 14 7
0
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2 3-5 6-10 11-20 21-50 51-100 101-200 201+
Returning visitors and number of sessions
Logfile turned into spreadsheet Timestamp To page From page
5-‐apr-‐10 15:01:38 entry extern 5-‐apr-‐10 15:04:27 search simple "many a flower is trampled" entry 5-‐apr-‐10 15:04:28 letter ? let574 search simple 5-‐apr-‐10 15:04:29 letter translation let574 letter top let574 5-‐apr-‐10 15:04:29 letter notes let574 letter top let574 5-‐apr-‐10 15:04:29 letter original_text let574 letter top let574 5-‐apr-‐10 15:08:30 toc period search simple 5-‐apr-‐10 15:08:50 letter ? let588 toc period 5-‐apr-‐10 15:08:51 letter translation let588 letter top let588 5-‐apr-‐10 15:08:51 letter notes let588 letter top let588 5-‐apr-‐10 15:08:51 letter original_text let588 letter top let588 5-‐apr-‐10 15:09:16 letter ? let589 toc period 5-‐apr-‐10 15:09:18 letter translation let589 letter top let589 5-‐apr-‐10 15:09:18 letter notes let589 letter top let589 5-‐apr-‐10 15:09:18 letter original_text let589 letter top let589 5-‐apr-‐10 15:16:38 letter ? let683 extern 5-‐apr-‐10 15:16:41 letter notes let683 letter top let683 5-‐apr-‐10 16:02:52 toc complete letter top let751 5-‐apr-‐10 16:15:50 entry extern 5-‐apr-‐10 16:16:18 essay about 1 entry 6-‐apr-‐10 12:04:46 entry extern 6-‐apr-‐10 12:12:52 essay correspondents 1 entry 6-‐apr-‐10 12:12:54 toc correspondent essay correspondents 1
6-‐apr-‐10 13:48:56 toc period entry
Where do people come from? Sites Number www.google.com 25989 www.vangoghmuseum.nl 4359 any.wikipedia.org 2870 www.googleartproject.com 2106 translate.googleusercontent.com 1042 www.facebook.com 906 www.vggallery.com 839 www.bing.com 735 www.vangoghreproductions.com 463 search.yahoo.com 395 www.vangoghsblog.com 353 webcache.googleusercontent.com 262 www.stumbleupon.com 247 painting.about.com 236 twitter.com 215 ... … Total 49271
External sessions
Yes 41161
No 44244
Total 85405
Landing pages of external visitors
border 386 essay 2078
home 19355
illustration 594
letter 16453
list 1171 search 6242
toc 2540
Access to letters
border 408 essay 686 extern 16451
home 1346
letnext 51815
letother 4277 letref 13292 list 1073
search 30377
toc 58990
Searches Search term Searches
keyword or number(s) 2384 paris 510 sunflowers 219 starry night 202 ? 144 japanese 110 japan 108 ear 103 gauguin 93 zola 87 theo 85 arles 75 bedroom 69 sower 67 colour 66
Searches for works of art Total Ref. Adv. Index Artwork
126 107 19 0 Vincent van Gogh -‐ The bedroom (F 482 / JH 1608)
90 76 12 2 Vincent van Gogh -‐ Starry night (F 612 / JH 1731)
72 69 3 0 Vincent van Gogh -‐ The night café (F 463 / JH 1575)
59 49 10 0 Vincent van Gogh -‐ Starry night over the Rhône (F 474 / JH 1592)
42 40 2 0 Vincent van Gogh -‐ The Tarascon diligence (F 478a / JH 1605)
41 37 3 1 Vincent van Gogh -‐ Self-‐portrait (F 476 / JH 1581)
39 33 6 0 Vincent van Gogh -‐ The potato eaters (F 82 / JH 764)
34 20 14 0 Vincent van Gogh -‐ The potato eaters (F 1661 / JH 737)
32 32 0 0 Jean-‐François Millet -‐ The two diggers
31 4 25 2 Vincent van Gogh -‐ Starry night (F 1540 / JH 1732)
31 30 1 0 Vincent van Gogh -‐ Sunflowers in a vase (F 454 / JH 1562)
30 30 0 0 Emile Bernard -‐ Christ in the Garden of Olives
29 18 11 0 Vincent van Gogh -‐ Pink peach trees (‘Souvenir de Mauve’) (F 394 / JH 1379)
28 26 2 0 Ferdinand Victor Eugène Delacroix -‐ Christ asleep during the tempest
26 25 0 1 (Eugène Henri) Paul Gauguin -‐ Human miseries
To conclude For this project
Fair amount of serious usage Lots of automated access No fixed point of entry Sequential access ('reading') is very important
In general We can get a reasonable idea of what users do Could build a nice application for studying user behaviour Access patterns are highly irregular In depth understanding needs more than log data
Thank you!
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