diff --git a/robots.txt.html b/robots.txt.html
index 22e0d5e63eb65fb46cc4b89153a99cd00032f315..5688997dd6bceffac34fd4ab2e39ec33841cf9dc 100644
--- a/robots.txt.html
+++ b/robots.txt.html
@@ -18,6 +18,9 @@ Allow:    /sites/[(#URL_SITE_SPIP|replace{'www\.',''}|replace{'ww2\.',''}|replac
 Sitemap: #URL_SITE_SPIP/sitemap.xml
 
 User-agent: bingbot
-Crawl-delay: 1
+Crawl-delay: 29
+
+User-Agent: MJ12bot
+Crawl-Delay: 31
 
 ]