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The page you land on is the accessible one. It aims to meetWCAG 2.2 Level AA with no known failures, and it also meets four Level AAA criteria: contrast at 7:1, targets at 44 by 44 pixels, a choice of light or dark ground with larger type, and no content that changes without being asked to. Contrast, reflow, text spacing, keyboard operation, focus visibility and page structure have all been measured rather than assumed.

2.2 rather than 2.1 because that is the versionEN 301 549and the European Accessibility Act now point at. The six criteria 2.2 added were checked one at a time rather than assumed to carry over:

• 2.4.11 Focus Not Obscured — this one failed. The header is sticky, and the browser scrolls a newly focused element to the top of the window, which put it underneath. Anything reached by tabbing backwards, or by following a link to a #fragment, arrived hidden. Fixed with scroll padding measured from the header itself.
• 2.5.8 Target Size — controls are 44 square in this presentation. In the enhanced one the tag badges are 19 tall, which is under the 24 the criterion asks for, and they meet it through the spacing exception instead: no two are close enough for their 24-pixel circles to touch. Measured at both wide and phone widths.
• 2.5.7 Dragging Movements — nothing here is dragged.
• 3.2.6 Consistent Help, 3.3.7 Redundant Entry and 3.3.8 Accessible Authentication — no help mechanism, no multi-step process and no accounts, so there is nothing for these to apply to. They are satisfied by absence, which is worth saying plainly rather than counting as a pass.

That is the default rather than an alternate you have to find, which is the whole argument: the version that works for the most people is the one nobody has to ask for.

The Progressive switch in the header turns on the enhanced presentation — the shader, the glow, the scanlines and the motion. It carries the same content and the same functionality, and it aims at Level AA rather than the four AAA criteria above, since neon on black does not reach 7:1 and the animation is content that moves without being asked. An Effects switch appears alongside it for turning the motion down without giving up the look.

Known exceptions at Level AAA

Two criteria are not met in either presentation, and both are about the writing rather than the display, so no switch can satisfy them:

• 3.1.3 Unusual Words — the posts use technical vocabulary without a glossary to define it.
• 3.1.5 Reading Level — the posts assume reading ability beyond lower secondary education and carry no plain-language summary.

Both are fixable by writing rather than by code, and neither is claimed.

If something here does not work

A conformance claim is a claim, and the useful thing to do with one is contradict it. If any part of this site is hard to use — with a screen reader, a keyboard, magnification, a stylesheet of your own, or none of those — it is worth reporting, and there is somewhere to report it:

• github.com/onion2k/hackooers/issues — the issue tracker for this site, which is read.

Say what you were using and what happened. There is no form to fill in and no reference number.

Statement last reviewed against the site on 28 August 2026, by testing rather than by re-reading it.