Review public forms for automated abuse protection. Check CAPTCHA, a mechanism for detecting bots, along with hidden trap fields and request limits, then help integrate a CAPTCHA service and validate its tokens on the server.
中文简介正在准备中。当前显示英语简介。
Use when reviewing public HTML forms (no authentication required to reach them) for bot and abuse protection mechanisms.
安装前可以查看交给 AI 代理的指令内容。
An unprotected registration form can create thousands of spam accounts per minute; an unprotected login form enables credential stuffing attacks that test millions of username/password combinations from data breaches.
Identify all public-facing forms (contact, registration, login, password reset, newsletter, comment). Check whether each has CAPTCHA, honeypot fields, or server-side rate limiting. Verify any CAPTCHA tokens are validated server-side.
Integrate a CAPTCHA service (Cloudflare Turnstile, hCaptcha, or Google reCAPTCHA v3) on all public forms. Validate the CAPTCHA response token on your server before processing the form submission. Add rate limiting as a defense-in-depth measure.
Explain what credential stuffing and spam bot attacks are, how CAPTCHA protects public forms, the trade-offs between different CAPTCHA approaches (v2 checkbox, v3 invisible, Turnstile), and why server-side validation is required.
Review server config, headers, forms, and integration points related to Protect public forms with CAPTCHA. Flag exact responses, cookies, or browser behaviors that violate the rule, and verify them against the effective production-like response.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/security/form-captcha
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Create and review custom 404 pages that help visitors recover from broken or moved links through search and navigation. Check the rendered page and HTTP response so missing content returns a proper 404 status.
中文简介正在准备中。当前显示英语简介。
Audit or create a dedicated About page that explains a website’s purpose and identifies its people or organization. Review the rendered output and supporting information, including expertise and contact details, to find gaps.
中文简介正在准备中。当前显示英语简介。
Review and add automated accessibility checks for components, pages, and continuous integration workflows. Use axe-based tools to detect structural and attribute issues, while identifying checks that still need keyboard or screen reader testing.
中文简介正在准备中。当前显示英语简介。
Review sign-in, registration, multi-factor authentication, and account recovery for accessibility barriers. Find blocked paste, difficult code entry, and inaccessible backup methods, then suggest authentication paths that support password managers, autofill, or device approval.
中文简介正在准备中。当前显示英语简介。
Review form errors, success messages, and live updates so screen reader users receive important notifications. Check the HTML delivered to the browser, announcement settings, display duration, and dismissal controls, then identify specific elements that need changes.
中文简介正在准备中。当前显示英语简介。
Review HTML tables so screen reader users can understand how headers and data relate. Check header markup, table descriptions, and merged cells, then identify specific fixes and ways to verify them.
中文简介正在准备中。当前显示英语简介。