Show HN: A404ADay.com(a404aday.com)2 points·by senic·12 ปีที่แล้ว·2 commentsa404aday.comShow HN: A404ADay.comhttp://www.a404aday.com/1 commentsPost comment[–]onuryavuz·12 ปีที่แล้วreplyHow do you crawl websites that require user authentication?[–]senic·12 ปีที่แล้วreplyI don't - I created this because I needed a reliable error scan for websites that depend on good google rankings and those sites usually don't require authentication.