"Executing" section - "...know how to write code so that they compiler can type specialize it" - the compiler instead of they compiler
"Conclusion" section - "etching WebAssembly takes less time because it is more compact than JavaScript, even when compressed" - missing the f in fetching
Just a few small typos to point out:
https://hacks.mozilla.org/2017/02/what-makes-webassembly-fas...
"Executing" section - "...know how to write code so that they compiler can type specialize it" - the compiler instead of they compiler
"Conclusion" section - "etching WebAssembly takes less time because it is more compact than JavaScript, even when compressed" - missing the f in fetching