Web TechnologiesCourse and practice

Cheat sheet: Free plans and pay-per-use

The 29 terms of this lesson, part by part, with the French word a team in France would use.

Back to the lessonAll terms

1. Every free plan has limits

Free planoffre gratuite
a free level of an online service, with limits on how much you can use it.
Quotaquota
a limit on how much you can use a service in a given time, such as a number of map views per day.
Paid planoffre payante
a level of a service that you pay for each month, with higher limits and usually permission for business use.
Commercial useusage commercial
using a service for a business, such as a tool for a company's clients, which many free plans forbid.
Terms of serviceconditions d'utilisation
the rules a service sets for its use, including its limits and prices, which it can change.
VercelVercel
a hosting service for websites, whose free plan is for personal projects that earn no money.

2. What happens at the limit

Paid planoffre payante
a level of a service that you pay for each month, with higher limits and usually permission for business use.
SupabaseSupabase
an online service that rents you a ready-made back end, with a database, logins and file storage.
FirebaseFirebase
a Google service that rents you a ready-made back end, with a database, logins and file storage.
Spending limitplafond de dépenses
a maximum amount that a service may charge you each month, which you set in your account.
Budget alertalerte de budget
an email that a service sends when your spending passes an amount you chose, which warns you but stops nothing.
Shared mailboxboîte mail partagée
a company email address that several people can read, such as an address for the whole web team.

3. One use, times the number of uses

Pay-per-usepaiement à l'usage
a price that grows with each use of a service, such as each AI answer, map view or text message sent.
Cost per usecoût unitaire
what one use of a service costs, such as about one cent for one AI answer.
Viralviral
describes something that people share so fast that its audience grows far beyond what was planned.
Botbot, robot
a program that visits sites or calls services by itself, sometimes thousands of times an hour.
Modelmodèle
the AI inside an agent that reads text and writes a reply, such as Gemini or Claude.
Tokenjeton, token
a small piece of text, often part of a word, which a model reads and writes one at a time.

4. Limits before launch

Rate limitlimite de requêtes, rate limit
a maximum number of requests allowed in a given time, such as 100 per hour for each user.
Spending limitplafond de dépenses
a maximum amount that a service may charge you each month, which you set in your account.
Budget alertalerte de budget
an email that a service sends when your spending passes an amount you chose, which warns you but stops nothing.
Fallbacksolution de repli
what a feature shows or does when its service is stopped or a limit is reached, such as a short message.
Modelmodèle
the AI inside an agent that reads text and writes a reply, such as Gemini or Claude.

5. What to ask

Free planoffre gratuite
a free level of an online service, with limits on how much you can use it.
Paid planoffre payante
a level of a service that you pay for each month, with higher limits and usually permission for business use.
Pay-per-usepaiement à l'usage
a price that grows with each use of a service, such as each AI answer, map view or text message sent.
Cost per usecoût unitaire
what one use of a service costs, such as about one cent for one AI answer.
Spending limitplafond de dépenses
a maximum amount that a service may charge you each month, which you set in your account.
Rate limitlimite de requêtes, rate limit
a maximum number of requests allowed in a given time, such as 100 per hour for each user.

Web Technologies · Orders of magnitude · wt.thomasjuldo.com/course/orders-of-magnitude/free-plans-and-pay-per-use