What this site offers
topzcphp.com (Keyflow / 键流), including www and typing subdomains, is a free typing practice tool for students, parents and self-learners. Open the page and practice—no account required.
We provide finger lessons, English and Chinese pinyin drills, classroom material, long-form practice, mini-games (plane shooter, letter rain, castle defense, whack-a-mole) and optional leaderboards.
We are not affiliated with any school or certification body. The brand name is independent and does not imply government endorsement.
Other sites on the same domain
Other subdomains under topzcphp.com (for example worldcup.topzcphp.com and aihub.topzcphp.com) host separate products. They are not part of Keyflow, do not share our lessons, and are not doorway pages into this typing site.
Visiting https://topzcphp.com opens the Keyflow typing practice site. Ads or search results referring to Keyflow / typing practice point here—not to those other products.
Features
Finger lessons from home row through full keyboard layout.
Classroom and advanced tracks with idioms, poetry, classic prose and movie quotes.
Games: plane shooter, letter rain, castle defense, and whack-a-mole.
Guides and FAQ on how to practice effectively.
Practice texts may include common public textbook passages used only for typing training; course structure is original to Keyflow.
Data
Practice progress stays in your browser localStorage. We only store nickname and scores when you submit to the leaderboard.
See our Privacy Policy for details.
Contact
Email: skystone024@gmail.com
See the Contact page for feedback options.