show only raw titles

curl -s "https://catonrug.blogspot.com/feeds/posts/default/-/AWS?alt=json-in-script" | sed "s/gdata.io.handleScriptLoaded(//;s/);$//" | jq -r '.["feed"] | .["entry"] | .[] | .title."$t"'

show JSON friendly format:

curl -s "https://catonrug.blogspot.com/feeds/posts/default/-/AWS?alt=json-in-script" | sed "s/gdata.io.handleScriptLoaded(//;s/);$//" | jq '.["feed"] | .["entry"] | .[] | .title."$t"'