PHP-Noise vs xColors
Same instrument, two spec sheets — measured, not claimed.
PHP-Noise vs xColors: common questions
Which is more reliable, PHP-Noise or xColors?
Both are neck-and-neck — PHP-Noise and xColors each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, PHP-Noise or xColors?
xColors has the lower median latency in our checks — PHP-Noise responds in 915 ms versus xColors at 642 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do PHP-Noise and xColors need an API key?
Neither needs a paid key — PHP-Noise is callable with no signup, and xColors is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call PHP-Noise and xColors from the browser?
Yes — both PHP-Noise and xColors send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are PHP-Noise and xColors free for commercial use?
PHP-Noise has unclear commercial terms, and xColors has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.