Ever wonder if the speeds your ISP advertises are actually what you're getting while reloading Engadget all day? The FCC did, and decided to team up with 13 major broadband providers in the US to test how they performed from February to June of this year. Notably, during peak hours the average continuous download speeds of fiber connections were 14 percent faster than advertised, while cable and DSL were slower than claimed by 8 and 18 percent, respectively. Upload speeds also varied, with DSL again dipping the lowest at 95-percent of