[
    {
        "role": "user",
        "content": "I%27m%20auditing%20a%20webpage%20against%20Unit%2019.A%2C%20WCAG%202.4.5%20.%20The%20page%20has%20navigation%20links%20but%20the%20primary%20purpose%20of%20the%20page%20is%20a%20Login%20Page%2C%20as%20part%20of%20a%20step%20to%20getting%20access.%20As%20such%20I%27m%20inclined%20to%20think%20this%20test%20is%20DNA%20for%20this%20particular%20webpage.%20Thoughts%3F"
    },
    {
        "role": "assistant",
        "content": "That\u2019s a good question. Whether Success Criterion 2.5.5 (Target Size Enhanced) in WCAG applies to a login page with navigation links\u2014or whether it might be \u201cDoes Not Apply\u201d (DNA)\u2014depends on a few specifics. Here\u2019s how to think about it, and why your inclination that it may be DNA might be right, or might not.\n\n---\n\n## What 2.5.5 (Target Size Enhanced) Actually Requires\n\nFrom WCAG 2.1 / 2.2, SC 2.5.5 \u201cTarget Size (Enhanced)\u201d is a **Level AAA** criterion. ([w3c.github.io](https://w3c.github.io/wcag21/guidelines/?utm_source=openai))\n\nIt requires:\n\n- Interactive targets (links, buttons, form controls, etc) to have a target area of at least **44\u00d744 CSS pixels**, unless one of the following exceptions applies:  \n  1. **Equivalent** control elsewhere on the same page meets the 44\u00d744 requirement. ([ialabs.ie](https://ialabs.ie/2-5-5-target-size/?utm_source=openai))  \n  2. **Inline**: the target is part of a block or sentence of text. ([ialabs.ie](https://ialabs.ie/2-5-5-target-size/?utm_source=openai))  \n  3. **User Agent Control**: size is determined by browser settings, not by the author. ([w3c.github.io](https://w3c.github.io/wcag21/guidelines/?utm_source=openai))  \n  4. **Essential**: the presentation (including the smaller size) is essential for conveying the information. ([w3c.github.io](https://w3c.github.io/wcag21/guidelines/?utm_source=openai))\n\n---\n\n## When 2.5.5 Might Be DNA (\u201cDoes Not Apply\u201d)\n\n\u201cDoes Not Apply\u201d is appropriate when none of the aspects covered by the criterion are relevant to the page\u2014or when it's clear that no interactive elements or pointer targets are under the designer\u2019s control in a way that this applies. Here are some typical cases where 2.5.5 might be DNA:\n\n- If the page has **no interactive elements** beyond those that are either:\n  - Inline text links (embedded in text), or  \n  - Controls whose size is determined by the browser/user agent, or  \n  - Controls that are essential in their small presentation (e.g. small icons in a map that can\u2019t be made larger without losing meaning).\n  \n- If the page\u2019s only interactive elements are **navigation links** that are clearly part of, say, a text-based menu or the footer, and all are inline or otherwise exempted.\n\nHowever, note: \"Navigation links\" often are more than \u201cinline text\u201d\u2014if they appear as buttons, menu items, icon-only controls, or are visually independent of a running prose block, then 2.5.5 **does apply**, unless another exception is in effect.\n\n---\n\n## Applying This to a Login Page with Navigation Links\n\nLet\u2019s apply the rules to your scenario:\n\n- Your login page has **navigation links**.  \n- The *primary purpose* of the page is login\u2014not navigation.  \n- The navigation links are present but are not the focus.\n\nHere are possible interpretations:\n\n| Element | Might trigger 2.5.5? |\n|---|---|\n| If navigation links are presented as inline text links (e.g., \u201cBack to Home\u201d, \u201cRegister\u201d, \u201cForgot password?\u201d as part of the text) | Exempt under the \u201cinline\u201d exception. So those specific links could be DNA under 2.5.5. |\n| If navigation links are styled as separate buttons or menu items\u2014icon buttons, clearly distinct from body text | Then 2.5.5 applies; they must meet the 44\u00d744 size requirement unless an exception like \u201cequivalent control elsewhere\u201d or \u201cessential\u201d applies. |\n| If login fields require clickable \u201cSubmit\u201d or \u201cLogin\u201d buttons, or \u201cShow password\u201d toggles etc. | Definitely interactive controls\u2014so 2.5.5 applies. |\n\nSo, your hypothesis that 2.5.5 is DNA for \u201cthis particular webpage\u201d depends on how those navigation links are implemented and styled.\n\n---\n\n## My Thoughts: Likely Outcome & Best Practice\n\nGiven what you\u2019ve described, it seems reasonable that parts of the page might be DNA under 2.5.5\u2014specifically, any navigation links that are simple, inline text links. But not the whole criterion. Controls like \u201cLogin\u201d, \u201cForgot password?\u201d, \u201cSignup\u201d, etc. need checking.\n\nIf I were auditing:\n\n- I\u2019d **include** 2.5.5 in the audit, but with **conditional application**: mark as \u201capplies\u201d for standalone buttons or non-inline links, and \u201cDNA\u201d for inline text links.  \n- I\u2019d verify whether any navigation link is styled non-inline (menu, button, visually separate). If so, measure its size.  \n- If all interactive controls are inline or exempted, I may record the criterion as \u201cnot applicable\u201d for that part, but still note it for completeness.\n\n---\n\nIf you like, I can walk through a checklist (with examples) to determine which elements on your login page make 2.5.5 applicable or not\u2014in case you'd like to decide more confidently. Want to do that?"
    },
    {
        "role": "user",
        "content": "Ok%2C%20ingnore%20the%20WCAG%20number%20I%20mentioned%20earlier%2C%20I%20obviously%20got%20that%20wrong.%20Its%20Unit%2019.A%20of%20Trusted%20Tester%20I%27m%20using."
    },
    {
        "role": "assistant",
        "content": "Got it \u2014 focusing now on Trusted Tester (DHS Section 508) Unit 19.A (or generally the Trusted Tester test conditions) rather than a misremembered WCAG number.\n\nBecause I couldn\u2019t locate a publicly available definition or detailed description of \u201cUnit 19.A\u201d in the current DHS Trusted Tester documentation in what I searched, I\u2019ll walk through what I *could* piece together, how Trusted Tester handles \u201cDoes Not Apply\u201d (DNA) vs \u201cApplies\u201d, and apply those principles to your login page scenario. Then you\u2019ll have a framework to decide confidently.\n\n---\n\n## What Trusted Tester Says About Applicability and \u201cDoes Not Apply\u201d (DNA)\n\nFrom the Trusted Tester Conformance Test Process:\n\n- Each test condition in Trusted Tester must be marked as **Pass / Fail / Does Not Apply / Not Tested**. ([blog-nrrd.doi.gov](https://blog-nrrd.doi.gov/trusted-tester/?utm_source=openai))  \n- \u201cDNA\u201d (Does Not Apply) is used when the page clearly lacks the required context that a test condition would exercise. For example:\n  - If a page has no form fields, test conditions about form field labels are DNA. ([section508coordinators.github.io](https://section508coordinators.github.io/ACRT/Resources/Trusted%20Tester%20Test%20Process%20v5.1.3.pdf?utm_source=openai))  \n  - If there are no interactive elements that receive focus, some keyboard/focus tests are DNA. ([scribd.com](https://www.scribd.com/document/624113138/Trusted-Tester-Test-Process-v5-0?utm_source=openai))  \n\n- Importantly, Trusted Tester\u2019s baseline aligns with **WCAG 2.0 Level A and AA**, rather than AAA. Most tests are checking conformance to those levels. ([training.fema.gov](https://training.fema.gov/devres/docs/508/dhs%20section%20508%20trusted%20tester%20training%20on%20web.pdf?utm_source=openai))\n\n---\n\n## What We Know (or Don\u2019t) About **Unit 19.A**\n\nSince I couldn\u2019t find a specific, publicly described \u201cUnit 19.A\u201d meaning a particular test condition in the latest DHS materials, I can\u2019t definitively assert what its scope or requirements are.\n\nHowever, given how Trusted Tester is structured (each condition has number and letter, \u201cTest ID\u201d), \u201cUnit 19.A\u201d likely refers to one test condition focused on an accessibility requirement (e.g., keyboard access, focus order, label correctness, etc.).\n\nTo decide whether \u201c19.A\u201d is DNA (Does Not Apply) on your login page, you\u2019ll want to identify:\n\n- What **interactive elements** are present on the page.\n- Whether \u201c19.A\u201d is about interactive or focusable elements.\n- Whether \u201c19.A\u201d expects something that the page doesn\u2019t include at all\u2014if so, likely DNA.\n- Conversely, if the login page does include the relevant interactive elements, then \u201c19.A\u201d likely applies and needs to be tested.\n\n---\n\n## Applying Those Principles to a Login Page with Navigation Links\n\nLet\u2019s map this to your specific scenario:\n\nYou have:\n\n- A login page, whose primary purpose is for a user to submit credentials.\n- Navigation links present (e.g. link to home, sign up, forgot password).\n- A form (username/email field, password field, login button, perhaps \u201cshow password\u201d toggle).\n- Possibly inline text links, buttons, maybe icon links.\n\n### Likely Outcomes for \u201cUnit 19.A\u201d:\n\n- If **\u201c19.A\u201d is about form field labels, interactive element naming**, etc., then because your page has a form, it **would apply**. It would be a failure if the username/password fields or login button aren't appropriately labeled or named.  \n- If **\u201c19.A\u201d is about keyboard focus and navigation**, then since your page has focusable elements (form inputs, buttons, links), it applies.  \n- If **\u201c19.A\u201d is about something your login page has none of** (say, a carousel, or a rich widget that toggles state, or some advanced behavior), then for that part or element it's DNA.\n\n### Where \u201cDNA\u201d Might Be Reasonable\n\nYou might mark \u201c19.A\u201d DNA in part of the page if:\n\n- For that test condition, the page doesn\u2019t include any control or UI behavior that it covers. Example: if \u201c19.A\u201d is about \u201cstatus update\u201d role UI states, and you have no UI that changes state in that way, then it might be DNA.\n\n- If a test condition is about \u201chelp content\u201d or \u201cerror suggestions\u201d but the page doesn\u2019t include error suggestions (or such an element is prohibited for security reasons), you might mark DNA \u2014 but note, error handling is usually required in login forms, so omission could be a failure.\n\n---\n\n## What I Recommend: A Checklist for Your Audit Decision\n\nHere\u2019s a decision-checklist to help determine whether \u201cUnit 19.A\u201d is DNA for your login page, or whether it applies:\n\n| Step | Question | If \u201cYes\u201d \u2192 \u201cApplies\u201d; If \u201cNo\u201d \u2192 Possibly \u201cDNA\u201d (for that condition) |\n|---|---|---|\n| 1 | Does \u201cUnit 19.A\u201d require something related to any interactive element (links, buttons, form controls)? | If yes, check if your page has any of those elements. If yes, it applies. |\n| 2 | Does your page have those interactive elements *implementing the behavior/problem space that 19.A covers*? | If yes \u2192 applies. If not, DNA. |\n| 3 | Do any of those elements need special behavior (e.g. toggle state, specific keyboard interactions)? | If yes \u2192 applies. If not, perhaps DNA for those parts. |\n| 4 | Are there inline text links or only form submit / login buttons etc? | If only inline simple links and simple form inputs that meet default behavior, then some linked parts of \u201c19.A\u201d may be DNA. |\n| 5 | Are there known exceptions in Trusted Tester for that test condition (e.g. excluding pages without certain content)? | If yes, see whether login page meets exception. If meets exception \u2192 DNA. |\n\n---\n\nIf you like, you could tell me the text of what \u201cUnit 19.A\u201d says in your version of the Trusted Tester specification (what is the requirement), and I can work through it together with you using the elements on your page to decide whether it\u2019s Applies or DNA. Do you have that?"
    },
    {
        "role": "user",
        "content": "Ok%2C%2019.A%20of%20Trusted%20Tester%2C%20is%20based%20on%20WCAG%202.4.5-multiple-ways%2C%20does%20that%20help%3F"
    },
    {
        "role": "assistant",
        "content": "Yes \u2014 with that additional detail, it becomes much clearer how Trusted Tester\u2019s \u201cUnit 19.A\u201d works in relation to WCAG 2.4.5 \u201cMultiple Ways.\u201d Below is what WCAG 2.4.5 requires, what Trusted Tester says about it, and then how your login page scenario aligns \u2014 so you can make a sound judgment about whether \u201c19.A\u201d should be marked as \u201cApplies\u201d or \u201cDoes Not Apply (DNA)\u201d for your page.\n\n---\n\n## What WCAG 2.4.5 \u201cMultiple Ways\u201d Requires\n\nWCAG 2.4.5 is a Level AA criterion. Its main rule is:\n\n- **Generally**, each page in a set of web pages must be locatable in **at least two distinct ways**. Examples include:  \n\u2003\u2022 navigation menu  \n\u2003\u2022 site-wide search  \n\u2003\u2022 sitemap  \n\u2003\u2022 table of contents  \n\u2003\u2022 links to related content ([wcag.com](https://www.wcag.com/designers/2-4-5-multiple-ways/?utm_source=openai))\n\n- **Exception**: Pages that are results of a process, or part of a workflow (multi-page form, checkout, account registration steps, login \u201cstep\u201d) are exempt. Those pages do *not* require multiple ways to locate them. ([wcag.com](https://www.wcag.com/designers/2-4-5-multiple-ways/?utm_source=openai))\n\n- Also applies across the site: when you test this, you consider how one might get to that page *from other parts of the website*, not just whether that page has links on itself. ([wcag.dock.codes](https://wcag.dock.codes/documentation/wcag245/?utm_source=openai))\n\n---\n\n## What Trusted Tester\u2019s Unit 19.A Does\n\nTrusted Tester includes a test condition \u201c19.A\u201d that corresponds to WCAG 2.4.5 \u2014 see Section 17 of the Trusted Tester Test Process document. It\u2019s titled \u201cWCAG SC 2.4.5 Multiple Ways: More than one way is available to locate a Web page within a set of Web pages.\u201d ([section508coordinators.github.io](https://section508coordinators.github.io/ACRT/Resources/Trusted%20Tester%20Test%20Process%20v5.1.3.pdf?utm_source=openai))\n\nAs per the DHS Trusted Tester guidance:\n\n- If *no such content* exists that the criterion is testing, the result is marked **Does Not Apply (DNA)**. ([section508coordinators.github.io](https://section508coordinators.github.io/ACRT/Resources/Trusted%20Tester%20Test%20Process%20v5.1.3.pdf?utm_source=openai))  \n- In particular, pages that are part of a workflow \u2014 steps users must go through \u2014 are typically exempted under WCAG 2.4.5. ([wcag.com](https://www.wcag.com/designers/2-4-5-multiple-ways/?utm_source=openai))\n\n---\n\n## Applying This to Your Login Page Scenario\n\nYou said your login page has navigation links but its *primary purpose* is for login \u2014 i.e. the user is going through a step to gain access. What matters here is:\n\n- Does your page belong to a **process/workflow**, as per the exemption definition in WCAG? Login *typically* is part of an authentication workflow.\n\n- If yes, then *that page* is exempt \u2014 meaning 2.4.5 (and thus Trusted Tester 19.A) does **not** require that page to have multiple ways to locate it. In other words, it\u2019s DNA for that page.  \n\n- On the other hand, if the page is not part of a workflow \u2014 for example, if it\u2019s a general landing page or a public informational content page \u2014 then 19.A applies, and you must have two distinct navigation methods that can reach that page. Having *just a header navigation or footer link alone isn\u2019t enough without a second method (search, sitemap, etc.).*\n\n---\n\n## My Recommendation, Given Your Case\n\nGiven what you said:\n\n- Because the login page is a **step in an access workflow** (user needs to log in), it falls under the \u201cstep in a process\u201d category in the *exception*.  \n- That *exception* means WCAG 2.4.5 does *not* require multiple ways to locate that login page.  \n- Therefore, under Trusted Tester \u201cUnit 19.A\u201d, for that login page **you would mark \u201cDoes Not Apply (DNA)\u201d**.\n\nHowever,\n\n- If your login page also includes navigation links (e.g., \u201cregister\u201d, \u201cforgot password\u201d, \u201chome\u201d), those navigation links must still meet other relevant test conditions (e.g. link purpose, focus, etc.). But for 19.A specifically (multiple ways to locate the page), the criterion doesn\u2019t apply.\n\n---\n\nIf you want, I can help you write the exact audit finding wording for such a situation \u2014 something that clearly explains why you marked DNA, based on Trusted Tester + WCAG 2.4.5. Do you want me to draft that?"
    }
]