eniya etogo polya ukazan simvol "*", to zadannye v etoj zapisi prava dostupa rasprostranyayutsya na lyubyh poiskovyh robotov, zaprosivshih fajl /robots.txt

Disallow

Lyubaya zapis' (record) dolzhna sostoyat' hotya by iz odnoj stroki (line) User-Agent i odnoj - Disallow

Esli fajl /robots.txt pust, ili ne otvechaet zadannomu formatu i semantike, ili ego ne sushchestvuet, lyuboj poiskovyj robot budet rabotat' po svoemu algoritmu.

Primery

Primer 1:

# robots.txt for http://www.site.com

        User-Agent: *

        Disallow: /cyberworld/map/ # this is an infinite virtual URL space
        Disallow: /tmp/ # these will soon disappear

V primere 1 zakryvaetsya ot indeksacii soderzhimoe direktorij /cyberworld/map/ i /tmp/.

Primer 2:

# robots.txt for http://www.site.com

        User-Agent: *

        Disallow: /cyberworld/map/ # this is an infinite virtual URL space

# Cybermapper knows where to go

        User-Agent: cybermapper

        Disallow:

V primere 2 zakryvaetsya ot indeksacii soderzhimoe direktorii /cyberworld/map/, odnako poiskovomu robotu cybermapper vse razresheno.

Primer 3:

# robots.txt for http://www.site.com

        User-Agent: *

        Disallow: /

V primere 3 lyubomu poiskovomu robotu zapreshchaetsya indeksirovat' server.

Primechaniya perevodchika

V nastoyashchee vremya standart neskol'ko izmenilsya, naprimer, mozhno zapisyvat' v stroke User-Agent neskol'ko imen robotov, razdelennyh probelami ili tabulyatorami.

Adresa avtorov

Martijn Koster, m.koster@webcrawler.com

Perevod: Andrej Alikberov, info@citmgu.ru