Counters and cache · facts read November 9, 2026
Cloudflare Workers KV
A global, eventually consistent key-value store for Workers, built for many reads and few writes. Cheap global reads for data that changes rarely, such as today's question or yesterday's final results.
- Free plan
- Workers Free: 100,000 reads, 1,000 writes, 1,000 deletes and 1,000 lists a day, 1 GB stored. Past a limit, operations of that type fail until 00:00 UTC.
- Paid from
- Workers Paid ($5/month minimum): 10M reads a month, then $0.50 per million; 1M writes, then $5.00 per million; 1 GB, then $0.50 per GB-month.
- Monthly cost at 1,000 users
- $0/month One read per request fits the free 100,000 reads a day.
- Free plan allows commercial use
- Not stated
- Open source
- No
- Self-hostable
- No
Source: Cloudflare Workers KV pricing, read November 9, 2026. Prices change; check the vendor's page before you commit.
Best for
- Caching read-mostly data at the edge
- Config and content that changes a few times a day
Watch out for
- Writes to the same key are limited to 1 per second, and a change can take 60 seconds or more to show in other locations, so it can't count votes.
How Cuely scores Cloudflare Workers KV
The published scores, from −3 to +3, that decide when Cuely picks it. Method
- +3global low latency. Reads are served from Cloudflare's network close to every player.
- +1traffic comes in viral spikes. Paid includes 10 million reads a month, then $0.50 per million.
- +1keep costs as low as possible. Free covers 100,000 reads and 1,000 writes a day.
- −3votes, scores, leaderboards or streaks (many writes to the same numbers). 1 write per second to the same key, and changes take up to 60 seconds or more to show everywhere, so it can't hold a live tally.