primequality
Skipped to a specific section because I knew that was the question I had, and the answer was clean, and a stop at primequality similarly delivered targeted answers without burying them, content engineered for readers who arrive with specific needs rather than open ended browsing is increasingly valuable in a search heavy reading environment.
directionsetsspeed
Thank you for not assuming the reader already knows everything, the explanations meet me where I am, and a look at directionsetsspeed did the same, that consideration is what makes a site feel welcoming rather than gatekeepy which is sadly the default mood across the modern web today for most subjects covered.