Frontend: SEO — sitemap, robots, meta, OG cards, SearchAction JSON-LD

- /sitemap.xml + /robots.txt (homepage indexable; /search + /api excluded)
- Full head meta: description, canonical, theme-color
- Open Graph + Twitter summary_large_image cards + /og.svg share image
- WebSite + SearchAction JSON-LD on the homepage (Google sitelinks search box)
- Search-result pages marked noindex,follow per Google guidance

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
King Omar 2026-07-22 19:49:51 +10:00
parent d74af763b7
commit 9d3be71469

View file

@ -129,6 +129,9 @@ const THEME_JS = `
}); });
` `
const SITE = 'https://search.theradicalparty.com'
const DESCRIPTION = 'RADICAL_SEARCH — an independent, self-hosted search engine for the open web. Unfiltered results, AI-powered answers, no tracking and no filter bubble.'
// On-brand favicon: dark tile, white "R", accent-pink underscore (the logo mark). // On-brand favicon: dark tile, white "R", accent-pink underscore (the logo mark).
const FAVICON = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"> const FAVICON = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
<rect width="32" height="32" rx="6" fill="#0a0a0a"/> <rect width="32" height="32" rx="6" fill="#0a0a0a"/>
@ -136,15 +139,59 @@ const FAVICON = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
<rect x="9" y="24" width="14" height="3" rx="1" fill="#ff0099"/> <rect x="9" y="24" width="14" height="3" rx="1" fill="#ff0099"/>
</svg>` </svg>`
function layout(title: string, body: string) { // 1200x630 social share card (Open Graph / Twitter).
const OG_IMAGE = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 630">
<rect width="1200" height="630" fill="#0a0a0a"/>
<text x="600" y="300" font-family="'Roboto Mono',ui-monospace,monospace" font-size="92" font-weight="700" fill="#ffffff" text-anchor="middle">RADICAL<tspan fill="#ff0099">_</tspan>SEARCH</text>
<rect x="360" y="345" width="480" height="8" rx="4" fill="#ff0099"/>
<text x="600" y="410" font-family="'Roboto Mono',ui-monospace,monospace" font-size="30" letter-spacing="6" fill="#666" text-anchor="middle">THE OPEN WEB UNFILTERED</text>
</svg>`
// WebSite + SearchAction structured data → eligible for a Google sitelinks
// search box. Only emitted on the indexable homepage.
const JSON_LD = `<script type="application/ld+json">${JSON.stringify({
'@context': 'https://schema.org',
'@type': 'WebSite',
name: 'RADICAL_SEARCH',
alternateName: 'Radical Search',
url: SITE + '/',
description: DESCRIPTION,
potentialAction: {
'@type': 'SearchAction',
target: { '@type': 'EntryPoint', urlTemplate: SITE + '/search?q={search_term_string}' },
'query-input': 'required name=search_term_string',
},
})}</script>`
interface SeoOpts { canonical?: string; description?: string; noindex?: boolean; jsonLd?: boolean }
function layout(title: string, body: string, opts: SeoOpts = {}) {
const desc = opts.description ?? DESCRIPTION
const canonical = opts.canonical ?? SITE + '/'
const robots = opts.noindex ? 'noindex, follow' : 'index, follow'
return `<!DOCTYPE html><html lang="en"><head> return `<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"> <meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<title>${title}</title> <title>${title}</title>
<meta name="description" content="${esc(desc)}">
<meta name="robots" content="${robots}">
<link rel="canonical" href="${esc(canonical)}">
<meta name="theme-color" content="#0a0a0a">
<link rel="icon" href="/favicon.svg" type="image/svg+xml"> <link rel="icon" href="/favicon.svg" type="image/svg+xml">
<meta property="og:type" content="website">
<meta property="og:site_name" content="RADICAL_SEARCH">
<meta property="og:title" content="${esc(title)}">
<meta property="og:description" content="${esc(desc)}">
<meta property="og:url" content="${esc(canonical)}">
<meta property="og:image" content="${SITE}/og.svg">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="${esc(title)}">
<meta name="twitter:description" content="${esc(desc)}">
<meta name="twitter:image" content="${SITE}/og.svg">
<link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<style>${CSS}</style> <style>${CSS}</style>
<script>${THEME_JS}</script> <script>${THEME_JS}</script>
${opts.jsonLd ? JSON_LD : ''}
</head><body> </head><body>
<button class="theme-toggle" id="theme-toggle">🌙</button> <button class="theme-toggle" id="theme-toggle">🌙</button>
${body} ${body}
@ -163,7 +210,7 @@ function homePage(q = '') {
<button class="search-btn" type="submit">Search the web</button> <button class="search-btn" type="submit">Search the web</button>
</form> </form>
</div> </div>
`) `, { jsonLd: true, canonical: SITE + '/' })
} }
function resultsPage(q: string, data: any, page: number) { function resultsPage(q: string, data: any, page: number) {
@ -238,7 +285,7 @@ function resultsPage(q: string, data: any, page: number) {
${(data.nodeId ?? 'main')} node ${(data.nodeId ?? 'main')} node
</div> </div>
</div> </div>
`) `, { noindex: true, canonical: `${SITE}/search?q=${encodeURIComponent(q)}`, description: `Search results for "${q}" on RADICAL_SEARCH the independent open-web search engine.` })
} }
function esc(s: string) { function esc(s: string) {
@ -258,6 +305,42 @@ export default {
}) })
} }
if (url.pathname === '/og.svg') {
return new Response(OG_IMAGE, {
headers: { 'Content-Type': 'image/svg+xml', 'Cache-Control': 'public, max-age=86400' },
})
}
if (url.pathname === '/robots.txt') {
// Allow the homepage; keep dynamic search-result and API URLs out of the
// crawl (Google discourages indexing internal search results, and this
// avoids wasting crawl budget on an unbounded query space).
const body = `User-agent: *
Allow: /$
Disallow: /search
Disallow: /api/
Sitemap: ${SITE}/sitemap.xml
`
return new Response(body, { headers: { 'Content-Type': 'text/plain; charset=utf-8' } })
}
if (url.pathname === '/sitemap.xml') {
const body = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>${SITE}/</loc>
<lastmod>2026-07-22</lastmod>
<changefreq>daily</changefreq>
<priority>1.0</priority>
</url>
</urlset>
`
return new Response(body, {
headers: { 'Content-Type': 'application/xml; charset=utf-8', 'Cache-Control': 'public, max-age=3600' },
})
}
if (url.pathname === '/') { if (url.pathname === '/') {
// Accept a query on the root too (e.g. /?q=what) — redirect to the // Accept a query on the root too (e.g. /?q=what) — redirect to the
// canonical results URL so the search actually runs. // canonical results URL so the search actually runs.