This is an official ODERSA website. Here’s how you know

The official domain

The address of this site ends in odersa.org. Every service the association runs sits on a subdomain of odersa.org and nowhere else. If the address in your browser’s address bar does not end in odersa.org, this site is not ours.

Free, and no account

Everything is open straight away. No sign-up, no account, no password, no subscription, no advertising. Nothing is held back for those who pay, because there is nothing to pay for.

No data collected

This site does not follow you: no tracker, no tracking cookie, no measurement tool built into these pages, and nothing measured on your device. Our host counts requests in aggregate, as any server that answers does: a total, never a profile. You do not have to take our word for it: open your browser’s developer tools, go to the Network tab, and reload the page. You will see the full list of what the site asks for. Everything comes from odersa.org, nothing goes anywhere else.

Free to reuse

The content is published under the CC BY 4.0 license. You may copy it, translate it, print it and pass it on, for your classes as much as for the people around you, on one condition only: credit ODERSA.

A site by ODERSAA nonprofit association under French law (loi 1901) that makes education accessible to everyone, free of charge and with nothing asked in return.

What's new

What has changed on the site, from most recent to oldest. Corrections reported by readers are listed here too: an error that's been spotted is an error that disappears.

  1. The counters page moves out, the simulator and the license repaired

    The ODERSA publishes its attendance figures on odersa.org, recorded by its host, with no cookie and no embedded tool. The site therefore no longer claims that no audience is measured, but that no measurement tool runs in these pages; its own counters page goes, and the corpus counters stay published as open data. In the simulator, the outline that shows where to touch was almost invisible on the white screen: it now stands out. The clickable area of a quiz answer covers everything the hover highlights, and the reflex labels on the skill cards offer a wider touch area. The button that opens the CC BY 4.0 license was broken on the License page: it works. In Arabic, the tip of the message bubbles and the indent of the FAQ answers follow the direction of the script. In the translated versions, the amounts in a given exercise carry the same figures everywhere, and document names are written in each language’s own script.

  2. The site moves to the ODERSA design

    Colors, typefaces and layout are now those of the ODERSA, the same as on the other sites of the association: one red, one typography, the same header and the same footer. A trust banner opens every page and states what the site does, and does not do, with your visit. The inside of the simulated screens does not change, and that is deliberate: it imitates real interfaces, its colors are part of the lesson. The large numbers that carry the order of the steps take a readable ink; they were too pale to be seen, in the light theme as in the dark one.

  3. Safety advice taken back to its source

    The pages that deal with money and scams are taken back to their official source: the CNIL, cybermalveillance.gouv.fr and the French monetary and financial code. A refund for an unauthorized payment now carries its gross negligence proviso, and the burden of proof stays with the bank. An order paid for and never delivered is no longer confused with an unauthorized debit, and a chargeback is named for what it is, a card network service and not a legal right. On public Wi-Fi, checking the network name rules out look-alikes without proving anything, because a rogue access point can carry the exact name of the place. French reporting services are stated to be French in every language of the site, blogs and commercial publishers have left the safety bibliographies, and the Credits page names the subject of each photo in the language of the page.

  4. Site launch

    Clic par clic goes live: 40 complete skills spread across 5 groups, 8 cross-cutting reflexes, 211 exercise steps on simulated screens, a recommended path for absolute beginners, a page for helpers, and a corpus published as open data under a CC BY 4.0 license.

This news is also available as an RSS feed, to follow in the reader of your choice. RSS feed

How this log is kept

  • One entry per publication, dated the day the site actually changes. Nothing is announced before it exists.
  • Numbers cited in an entry are counted from the content files at the moment of publication, never copied by hand.
  • No publication goes out if a check comes back red: internal links, content, contrast, and the structure of every skill are checked automatically beforehand.
  • An error reported by a reader is fixed in the next content wave, and the entry says so.
  • At every publication, the offline copy kept by your browser switches to a new version: a returning visitor gets the new page, not the old one.

The six-monthly review

Real-world processes change: a button moves, an administration renames a step, a reporting service evolves. So the entire corpus is checked again every six months, source by source, and every skill carries in its open data the date it was last verified. A wrong sheet is worse than no sheet at all.

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