It seems there was an issue retrieving the data. However, I can provide some popular ETFs that focus on tech stocks:

1. Technology Select Sector SPDR Fund (XLK)
2. Vanguard Information Technology ETF (VGT)
3. iShares U.S. Technology ETF (IYW)
4. Invesco QQQ Trust (QQQ)
5. First Trust Cloud Computing ETF (SKYY)

These ETFs typically include a range of technology companies and are popular among investors looking to gain exposure to the tech sector.

I encountered an issue retrieving the top-performing tech ETFs from the last year. However, some consistently strong performers in the tech ETF space include:

1. Invesco QQQ Trust (QQQ)
2. Technology Select Sector SPDR Fund (XLK)
3. Vanguard Information Technology ETF (VGT)
4. iShares U.S. Technology ETF (IYW)
5. First Trust Cloud Computing ETF (SKYY)

These ETFs are known for their exposure to high-performing tech companies. For the most accurate and up-to-date performance data, checking financial news websites or platforms like Yahoo Finance might be useful.