If you hit "home" on that page you get all this other stuff which I'm sure you will find equally unimpeachable in its accuracy:

"The US acted unilaterally in invading Iraq, and therefore it has to shoulder responsibility for the outcome of that invasion. In the absence of post war planning, we stand on the brink of another tragedy in the Middle East, much like the one we now see in Afghanistan – an unstable, dangerous and poverty stricken backwash further devastated by war and its after-effects. Far from fighting terrorism and stabilizing the Middle East, US presence in Iraq is increasing unrest and inciting terrorism against US interests both in the region and globally."

"This speaks volumes about the character of the President of the United States. Tonight we heard the words of a man determined to bring about the ruination of his presidency and the humiliation of his nation before conceding any error or reassessing his course of action."

Blix headed the inspectors so he should know, I don't think the mideastweb.org was involved. Even this link is dubious:

General Hussein Kamel, Minister of Industry and Minerals and formerly Director of Iraq's Military Industrialization Corporation with responsibility for all of Iraq's weapons programs, leaves Iraq for Jordan. Iraq says that Hussein Kamel had hidden important information on the prohibited weapons programs from UNSCOM and the IAEA.

In fact Kamel said they abandoned all WMD programs after the gulf war, and got rid of everything they had. I don't see a single find of any WMD in that timeline after then. It says revisions of statements but that could be anything. Show me where it says anywhere that the inspectors found materials that contradict what Blix said.