The term "speedtest" functions primarily as a compound noun. It refers to a diagnostic tool, service, or procedure designed to measure the performance metrics of an internet connection, such as download speed, upload speed, latency, and jitter. While it can be adapted into other grammatical roles, its core identity is that of a specific entity or concept.
Grammatically, the term exhibits flexibility. When used as a noun, it names the test itself (e.g., "The results of the speedtest were conclusive."). It can also be used as a verb, a process known as anthimeria or "verbing," to describe the action of performing the test (e.g., "You should speedtest your connection."). Furthermore, it can function as a noun adjunct (attributive noun), which acts like an adjective to modify another noun (e.g., "The technician reviewed the speedtest data.").
For the purpose of creating an article, the main point should be anchored in its primary function as a noun. This approach allows for a comprehensive explanation of the concept: what a speedtest is, the components it measures, and the services that provide it. The verb and adjective forms are secondary actions or descriptors that depend on the existence of the noun's core concept, making the noun the most logical and foundational focus for the article's subject matter.