rfc9309v4.txt   rfc9309.txt 
Internet Engineering Task Force (IETF) M. Koster, Ed. Internet Engineering Task Force (IETF) M. Koster
Request for Comments: 9309 Request for Comments: 9309
Category: Standards Track G. Illyes, Ed. Category: Standards Track G. Illyes
ISSN: 2070-1721 H. Zeller, Ed. ISSN: 2070-1721 H. Zeller
L. Sassman, Ed. L. Sassman
Google LLC Google LLC
September 2022 September 2022
Robots Exclusion Protocol Robots Exclusion Protocol
Abstract Abstract
This document specifies and extends the "Robots Exclusion Protocol" This document specifies and extends the "Robots Exclusion Protocol"
method originally defined by Martijn Koster in 1994 for service method originally defined by Martijn Koster in 1994 for service
owners to control how content served by their services may be owners to control how content served by their services may be
skipping to change at line 573 skipping to change at line 573
[ROBOTSTXT] [ROBOTSTXT]
"The Web Robots Pages (including /robots.txt)", 2007, "The Web Robots Pages (including /robots.txt)", 2007,
<https://www.robotstxt.org/>. <https://www.robotstxt.org/>.
[SITEMAPS] "What are Sitemaps? (Sitemap protocol)", April 2020, [SITEMAPS] "What are Sitemaps? (Sitemap protocol)", April 2020,
<https://www.sitemaps.org/index.html>. <https://www.sitemaps.org/index.html>.
Authors' Addresses Authors' Addresses
Martijn Koster (editor) Martijn Koster
Stalworthy Manor Farm
Suton Lane Suton Lane
Wymondham, Norfolk Wymondham, Norfolk
NR18 9JG NR18 9JG
United Kingdom United Kingdom
Email: m.koster@greenhills.co.uk Email: m.koster@greenhills.co.uk
Gary Illyes (editor) Gary Illyes
Google LLC Google LLC
Brandschenkestrasse 110 Brandschenkestrasse 110
CH-8002 Zürich CH-8002 Zürich
Switzerland Switzerland
Email: garyillyes@google.com Email: garyillyes@google.com
Henner Zeller (editor) Henner Zeller
Google LLC Google LLC
1600 Amphitheatre Pkwy 1600 Amphitheatre Pkwy
Mountain View, CA 94043 Mountain View, CA 94043
United States of America United States of America
Email: henner@google.com Email: henner@google.com
Lizzi Sassman (editor) Lizzi Sassman
Google LLC Google LLC
Brandschenkestrasse 110 Brandschenkestrasse 110
CH-8002 Zürich CH-8002 Zürich
Switzerland Switzerland
Email: lizzi@google.com Email: lizzi@google.com
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