GitHub Contribution Chart Generator vs Shields
Same instrument, two spec sheets — measured, not claimed.
GitHub Contribution Chart Generator vs Shields: common questions
Which is more reliable, GitHub Contribution Chart Generator or Shields?
On our scheduled checks, Shields leads on measured uptime — GitHub Contribution Chart Generator at 79.4% versus Shields at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, GitHub Contribution Chart Generator or Shields?
Shields has the lower median latency in our checks — GitHub Contribution Chart Generator responds in 4374 ms versus Shields at 30 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 GitHub Contribution Chart Generator and Shields need an API key?
Neither needs a paid key — GitHub Contribution Chart Generator is callable with no signup, and Shields is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call GitHub Contribution Chart Generator and Shields from the browser?
Only Shields is browser-friendly — it returns CORS headers over HTTPS. GitHub Contribution Chart Generator needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are GitHub Contribution Chart Generator and Shields free for commercial use?
GitHub Contribution Chart Generator has unclear commercial terms, and Shields 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.