That sounds suspicious. Who is this person? Somebody looks at it -- they can immediately see highlighted in red all of the changes that took place -- to see, OK, well, these words have changed, things like this.
这听起来很可疑 -- 这个人是谁？有人查看页面时， 他们能迅速看到发生了改变的地方用红色突出显示了出来， 然后发现，OK，好吧，这些字被改了，类似于这样的事情。