MomSpider Statistics Report

November 1997

MomSpider was run on approximately 2,250 URLs from the UCSD Innopac database (basically all URLs except Special Collections finding aids and CIA maps).  MomSpider came back with 249 problem URLs, 129 of which proved to be true errors (a 5.73% error rate).  More detailed analyses can be found in the tables below.
 
Moved Typo Gone Diacritic Slash OK TOTAL
301 Moved 3 - - - 8 - 11
302 Found 42 1 - - 12 2 57
400 Bad Request - - - - - 7 7
403 Forbidden 7 - - - - - 7
404 Not Found 16 13 5 1 - 3 38
500 Internal Error - - - - - 3 3
501 Not Implemented 5 3 - - - 79 84
502 Bad Response - - - - - 3 3
602 Connection Failed 4 6 1 - - - 11
603 Timed Out 3 - 2 - - 23 28
TOTAL 77 23 8 1 20 120 249
 
 
 
AIP CIC Elsevier LCCS LCTOC Springer UCSD USDOCS Other TOTAL
301 Moved - 1 - - - - 1 6 3 11
302 Found 4 2 - - - 1 1 36 13 57
400 Bad Request - - 2 - - - - 5 - 7
403 Forbidden - - - - - - - 7 - 7
404 Not Found - - - - - - 3 25 10 38
500  Internal Error - - - - - - - - 3 3
501 Not Implemented - - - - - 1 - 82 1 84
502 Bad Response - - - - - 1 - 2 - 3
602 Connection Failed - - - - - - - 6 5 11
603 Timed Out - 2 - 4 5 1 - 14 2 28
TOTAL 4 5 2 4 5 4 5 183 37 249
 
 
 
AIP CIC Elsevier LCCS LCTOC Springer UCSD USDOCS Other TOTAL
Moved 4 2 - - - 1 4 45 21 77
Typo - - - - - - - 15 8 23
Gone - - - - - - - 8 - 8
Diacritic - - - - - - - 1 - 1
Slash - 1 - - - - 1 16 2 20
OK - 2 2 4 5 3 - 98 6 120
TOTAL 4 5 2 4 5 4 5 183 37 249
 

AIP = American Institute of Physics electronic journal
CIC = Committee on Institutional Cooperation electronic journal
LCCS = Library of Congress country study
LCTOC = Library of Congress tables of contents project

The category "Slash" refers to URLs that actually end in a forward slash (e.g. http://www.cnn.com/) but the ending slash was not input into the 856 tag.  MomSpider treats this as an error.