Guides signup and login page structure, domain choice, modal vs dedicated page, discount integration, and SEO. Signup is the conversion endpoint from landing pages and pricing; when discounts apply at registration (e.g., student discount), signup is the P0 placement. Distinct from landing-page-generator (acquisition); newsletter-signup-generator (email capture only).
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for product, audience, and offers.
Identify:
OptionUseMain domain/signup, /login, /auth; simple; common for SaaSSubdomainauth.example.com; Universal Login pattern; credentials not cross-origin; requires Cookie domain config for cross-subdomain sessionThird-partyRedirect to Auth0, Clerk, etc.; provider hosts auth
Paths: /signup, /login, /register, /auth; keep short and consistent.
ApproachUseDedicated pageAccount creation; discount verification; student verification; higher-quality leads; fewer fake emailsModal / popupLightweight lead capture; newsletter; quick demo request; lower quality, higher volume
When discount applies at signup (e.g., student 30% off): Use dedicated page—user needs space for verification, discount display, and form. Modal can work for simple email-only capture; avoid for full account + verification flows.
Mobile: Google penalizes intrusive interstitials; dedicated page avoids penalty.
SectionPurposeHeadlineValue-focused; "Start free" or "Students: 30% off today, 15% off ongoing"Trust signalsSSL, payment logos, privacy, customer logos; see trust-badges-generator****MediaProduct screenshot, short video, or demo GIF above fold; reinforces valueFormMinimal fields; email first; social login (Google, GitHub) reduces frictionDiscount blockStudent discount, annual discount, promo code; verification entry when applicablePrivacy / TermsLinks; compliance
ElementPlacementHeadline or subhead"Students: 30% off today, 15% off ongoing"Verification.edu, SheerID, UNiDAYS; verify at signup to apply discountEligibilityBrief eligibility; link to full terms
P0 placement: When student discount applies at registration, signup page is primary; pricing page and homepage banner are P1.
PageMetaReasonLoginnoindex, nofollowNo search value; security risk; indexed login pages can confuse usersSignupnoindex, followBlock from SERP; allow crawl of links (Privacy, Terms)
Implementation: Use <meta name="robots" content="noindex"> or X-Robots-Tag header. robots.txt does not prevent indexing—crawlers must access the page to read the directive. See indexing for full noindex page-type list.