Note: This calendar view maps the number of captures of https://passport.weibo.com/visitor/visitor?entry=miniblog&a=enter&url=https%253A%252F%252Fweibo.com%252Funesco&domain=.weibo.com&sudaref=https%253A%252F%252Fweibo.com%252Funesco&ua=php-sso_sdk_client-0.6.28&_rand=1560673624.6768, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.