Gratuit · Réseau et infrastructure IT
Dimensionnement de serveur selon les visiteurs.
Estimez le trafic de pointe, les visiteurs simultanés, les requêtes par seconde, la bande passante, le processeur et la mémoire nécessaires à partir des visiteurs mensuels de votre site.
Traffic
2 = the busiest day has twice the traffic of an average day. Campaigns, launches and news spikes can reach 5–20×.
4.2 % means perfectly even traffic. 8–12 % is common for regional sites; global audiences are flatter.
Pages and caching
Everything a page downloads: HTML, scripts, styles, images, fonts.
WordPress page cache, Varnish, Nginx FastCGI cache or CDN HTML caching.
Application server
Measure with APM or a load test. Typical: 20–80 ms for light pages, 100–400 ms for heavy CMS or shop pages.
Time a worker stays busy, including database and API waits.
0 if the database runs elsewhere.
- Page views per month
- 300,000
- Peak page views per second
- 0.82
- Peak concurrent visitors
- 50 Little’s law: arrivals per hour × visit duration
- Peak HTTP requests per second
- 58 All requests, before CDN offload
- Uncached pages per second at origin
- 0.82
- Static requests per second at origin
- 56.7
- CPU cores needed
- 0.24 At 60 % utilisation with 50 % growth
- Concurrent workers (PHP-FPM, Node, Puma…)
- 2
- Memory needed
- 2.2 GB
- Peak bandwidth (visitors)
- 16.43 Mbps
- Peak bandwidth (origin server)
- 16.43 Mbps
- Monthly transfer (visitors)
- 750 GB
- Monthly transfer (origin)
- 750 GB
- Capacity of the recommended size
- About 638,044 visitors/month (CPU-bound)
- This is a planning estimate built from your assumptions, not a measurement. Confirm with a load test (k6, Locust, JMeter, Gatling) on a staging copy before buying.
- Peak load, not monthly visitors, decides server size: visitors arrive unevenly, so the peak inputs matter most.
- Months are averaged to 30.44 days. Data sizes are decimal (1 MB = 1,000,000 bytes).
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Notes techniques en anglais
A planning estimate from your assumptions, not a measurement; confirm with a load test. Months are 30.44 days and data sizes decimal. Database servers and multi-region designs are not sized separately. Everything is calculated in your browser; nothing is sent or probed on the network.
Monthly visitors are converted to the busiest minute using the peak-day, peak-hour and burst factors. Little’s law gives concurrent visitors and workers; CPU is uncached pages × CPU time ÷ target utilisation; bandwidth is page views × page weight.
100,000 visitors a month, 3 pages each and 2.5 MB pages peak at about 0.8 pages per second and 16 Mbps: a 1 vCPU / 4 GB server with room to spare.