A medium-firm mattress is similar to a mattress with medium firmness, only it’s slightly more supportive. Research has shown that mattresses labeled as being medium-firm may be associated with less lower back pain, though one mattress brand’s “medium” may be the same as “medium-firm,” or even another company’s “firm.” Again, mattress firmness is subjective and depends on how it works for your body.
MethodologyWe pulled monthly US organic traffic estimates from Ahrefs for ten major English-language tech publications from February 2024 through January 2026. For each site, we identified the peak traffic month and compared it to January 2026 (the most recent complete month). All figures are Ahrefs estimates for the US market.
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How to contribute to npmx.dev, and thoughts on Johnny's experience with the project.