diff --git a/scripts/seo-audit.mjs b/scripts/seo-audit.mjs new file mode 100644 index 0000000..dec18ca --- /dev/null +++ b/scripts/seo-audit.mjs @@ -0,0 +1,246 @@ +#!/usr/bin/env node +/** + * Auditoria repetível de SEO / AEO / GEO, sem dependências (Node >= 20). + * + * node scripts/seo-audit.mjs --base http://localhost:3000 --out audit-antes.json + * node scripts/seo-compare.mjs audit-antes.json audit-depois.json + * + * Lê o sitemap, baixa cada URL como um robô (HTML sem JavaScript) e confere o que buscadores e sistemas de + * resposta/IA realmente enxergam. Não inventa nota: cada verificação é passa/falha com a evidência. + * O que depende de conta (Search Console, Bing, CrUX, citações em plataformas de IA) está em docs/seo-geo-operations.md. + */ +import { writeFileSync } from "node:fs"; + +const args = Object.fromEntries( + process.argv + .slice(2) + .map((a, i, all) => (a.startsWith("--") ? [a.slice(2), all[i + 1]] : null)) + .filter(Boolean), +); +const BASE = (args.base ?? "https://evandro.dev.br").replace(/\/$/, ""); +const SITE = "https://evandro.dev.br"; // origem canônica declarada no código +const UA = "Mozilla/5.0 (compatible; seo-audit/1.0)"; +const AI_BOTS = [ + ["Googlebot", "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"], + ["bingbot", "Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)"], + ["OAI-SearchBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-SearchBot/1.0; +https://openai.com/searchbot"], + ["GPTBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.1; +https://openai.com/gptbot)"], + ["ChatGPT-User", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ChatGPT-User/1.0; +https://openai.com/bot)"], + ["Claude-SearchBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-SearchBot/1.0; +searchbot@anthropic.com)"], + ["ClaudeBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"], + ["PerplexityBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)"], +]; + +const local = (url) => url.replace(SITE, BASE); // permite auditar localhost com URLs canônicas de produção +const get = async (url, ua = UA, init = {}) => { + const t0 = performance.now(); + const res = await fetch(url, { headers: { "user-agent": ua, "accept-encoding": "gzip, br" }, redirect: "manual", ...init }); + const body = init.method === "HEAD" ? "" : await res.text(); + return { res, body, ms: Math.round(performance.now() - t0) }; +}; + +const attrs = (tag) => { + const out = {}; + for (const m of tag.matchAll(/([a-zA-Z_:][\w:.-]*)\s*=\s*(?:"([^"]*)"|'([^']*)')/g)) out[m[1].toLowerCase()] = m[2] ?? m[3] ?? ""; + return out; +}; +const decode = (s) => s.replace(/&/g, "&").replace(/"/g, '"').replace(/'|'/g, "'").replace(/</g, "<").replace(/>/g, ">").trim(); +const strip = (html) => + decode( + html + .replace(/<(script|style|noscript|template|svg)[\s\S]*?<\/\1>/gi, " ") + .replace(//g, " ") + .replace(/<[^>]+>/g, " ") + .replace(/\s+/g, " "), + ); +const words = (s) => (s.match(/[\p{L}\p{N}][\p{L}\p{N}'’-]*/gu) ?? []).length; + +function parsePage(html) { + const metas = [...html.matchAll(/]*>/gi)].map((m) => attrs(m[0])); + const meta = (key, val = "name") => metas.find((m) => m[val]?.toLowerCase() === key)?.content; + const links = [...html.matchAll(/]*>/gi)].map((m) => attrs(m[0])); + const headings = [...html.matchAll(/]*>([\s\S]*?)<\/h\1>/gi)].map((m) => ({ level: +m[1], text: strip(m[2]) })); + const imgs = [...html.matchAll(/]*>/gi)].map((m) => attrs(m[0])); + const anchors = [...html.matchAll(/]*>/gi)].map((m) => attrs(m[0])); + const ld = [...html.matchAll(/]*type=["']application\/ld\+json["'][^>]*>([\s\S]*?)<\/script>/gi)].map((m) => m[1]); + const main = html.match(//i)?.[0] ?? html; + const firstH1 = main.search(/= 0 ? main.slice(firstH1) : main; + const firstP = [...afterH1.matchAll(/]*>([\s\S]*?)<\/p>/gi)].map((m) => strip(m[1])).find((t) => words(t) >= 8); + return { + title: decode(html.match(/]*>([\s\S]*?)<\/title>/i)?.[1] ?? ""), + description: meta("description"), + robots: meta("robots"), + viewport: meta("viewport"), + lang: html.match(/]*\blang=["']([^"']+)/i)?.[1], + canonical: links.find((l) => l.rel === "canonical")?.href, + alternates: links.filter((l) => l.rel === "alternate" && l.hreflang).map((l) => l.hreflang), + og: Object.fromEntries(metas.filter((m) => m.property?.startsWith("og:")).map((m) => [m.property, m.content])), + tw: Object.fromEntries(metas.filter((m) => m.name?.startsWith("twitter:")).map((m) => [m.name, m.content])), + headings, + imgs, + anchors, + ld, + wordCount: words(strip(main)), + firstAnswerWords: firstP ? words(firstP) : 0, + }; +} + +function jsonLdFacts(blocks) { + const nodes = []; + const errors = []; + for (const raw of blocks) { + try { + const data = JSON.parse(raw); + const list = data["@graph"] ?? (Array.isArray(data) ? data : [data]); + nodes.push(...list); + } catch (e) { + errors.push(String(e.message).slice(0, 80)); + } + } + const ids = new Set(nodes.map((n) => n["@id"]).filter(Boolean)); + const types = nodes.flatMap((n) => [].concat(n["@type"] ?? [])); + const dangling = []; + const walk = (o) => { + if (Array.isArray(o)) return o.forEach(walk); + if (o && typeof o === "object") { + const keys = Object.keys(o); + if (keys.length === 1 && keys[0] === "@id" && !ids.has(o["@id"]) && !String(o["@id"]).startsWith(SITE)) dangling.push(o["@id"]); + Object.values(o).forEach(walk); + } + }; + walk(nodes); + return { nodes, ids, types, errors, dangling }; +} + +const checks = []; // {scope, id, group, ok, detail} +const add = (scope, group, id, ok, detail = "") => checks.push({ scope, group, id, ok: Boolean(ok), detail }); + +async function auditUrl(url, siteTitles, siteDescs) { + const target = local(url); + const { res, body, ms } = await get(target); + const scope = url.replace(SITE, "") || "/"; + add(scope, "técnico", "status-200", res.status === 200, `HTTP ${res.status}`); + if (res.status !== 200) return null; + add(scope, "técnico", "html-comprimido", /br|gzip/.test(res.headers.get("content-encoding") ?? "") || BASE.startsWith("http://localhost"), res.headers.get("content-encoding") ?? "sem compressão"); + add(scope, "técnico", "ttfb-menor-800ms", ms < 800, `${ms} ms (HTML completo)`); + const p = parsePage(body); + + add(scope, "on-page", "lang-pt-BR", p.lang?.toLowerCase() === "pt-br", p.lang ?? "ausente"); + add(scope, "on-page", "viewport", Boolean(p.viewport)); + add(scope, "on-page", "title-30-65", p.title.length >= 30 && p.title.length <= 65, `${p.title.length} car.: ${p.title}`); + add(scope, "on-page", "title-unico", !siteTitles.has(p.title), p.title); + siteTitles.add(p.title); + add(scope, "on-page", "description-70-165", !!p.description && p.description.length >= 70 && p.description.length <= 165, `${p.description?.length ?? 0} car.`); + add(scope, "on-page", "description-unica", !!p.description && !siteDescs.has(p.description)); + if (p.description) siteDescs.add(p.description); + add(scope, "on-page", "canonical-propria", p.canonical === url || p.canonical === `${url}/`, p.canonical ?? "ausente"); + add(scope, "on-page", "indexavel", !/noindex/i.test(p.robots ?? "") && !/noindex/i.test(res.headers.get("x-robots-tag") ?? "")); + const h1 = p.headings.filter((h) => h.level === 1); + add(scope, "on-page", "um-h1", h1.length === 1, `${h1.length} h1`); + let skipped = false; + p.headings.reduce((prev, h) => { + if (h.level - prev > 1) skipped = true; + return h.level; + }, 0); + add(scope, "on-page", "hierarquia-de-titulos", !skipped); + add(scope, "on-page", "imagens-com-alt", p.imgs.every((i) => i.alt !== undefined), `${p.imgs.filter((i) => i.alt === undefined).length}/${p.imgs.length} sem alt`); + const internal = p.anchors.filter((a) => a.href && (a.href.startsWith("/") || a.href.startsWith(SITE)) && !a.href.startsWith("//")); + add(scope, "on-page", "links-internos-5+", new Set(internal.map((a) => a.href.split("#")[0])).size >= 5, `${new Set(internal.map((a) => a.href.split("#")[0])).size} destinos`); + const external = p.anchors.filter((a) => a.target === "_blank"); + // noreferrer também implica noopener + add(scope, "on-page", "externos-com-noopener", external.every((a) => /noopener|noreferrer/.test(a.rel ?? "")), `${external.length} links _blank; sem rel: ${external.filter((a) => !/noopener|noreferrer/.test(a.rel ?? "")).map((a) => a.href).slice(0, 2).join(" ")}`); + + const og = p.og, tw = p.tw; + const missingOg = ["og:title", "og:description", "og:url", "og:image", "og:type", "og:site_name", "og:locale"].filter((k) => !og[k]); + add(scope, "social", "og-completo", missingOg.length === 0, missingOg.length ? `faltam ${missingOg.join(",")}` : ""); + add(scope, "social", "twitter-card", tw["twitter:card"] === "summary_large_image" && !!tw["twitter:title"] && !!tw["twitter:image"]); + if (og["og:image"]) { + const img = await get(local(og["og:image"]), UA, { method: "GET" }).catch(() => null); + add(scope, "social", "og-image-acessivel", img?.res.status === 200 && /^image\//.test(img.res.headers.get("content-type") ?? ""), `${img?.res.status} ${img?.res.headers.get("content-type")}`); + } + + const ld = jsonLdFacts(p.ld); + add(scope, "dados-estruturados", "json-ld-valido", p.ld.length > 0 && ld.errors.length === 0, ld.errors.join("; ") || `${p.ld.length} blocos`); + add(scope, "dados-estruturados", "referencias-resolvem", ld.dangling.length === 0, ld.dangling.join(", ")); + add(scope, "dados-estruturados", "sem-faqpage-nem-localbusiness", !ld.types.some((t) => /FAQPage|LocalBusiness|ProfessionalService/.test(t)), ld.types.join(",")); + if (scope !== "/") add(scope, "dados-estruturados", "breadcrumb", ld.types.includes("BreadcrumbList")); + add(scope, "dados-estruturados", "person-com-sameas", !ld.types.includes("Person") || ld.nodes.some((n) => n["@type"] === "Person" && Array.isArray(n.sameAs) && n.sameAs.length >= 2)); + + add(scope, "aeo-geo", "conteudo-no-html-sem-js", p.wordCount >= 250, `${p.wordCount} palavras no
do HTML`); + add(scope, "aeo-geo", "resposta-direta-cedo", p.firstAnswerWords >= 15 && p.firstAnswerWords <= 70, `${p.firstAnswerWords} palavras no 1º parágrafo após o H1`); + const names = new Set(ld.nodes.filter((n) => n["@type"] === "Person").map((n) => n.name)); + add(scope, "aeo-geo", "entidade-autor-consistente", names.size <= 1 && (scope === "/" ? names.size === 1 : true), [...names].join(",")); + return { scope, p, ld }; +} + +async function main() { + const sm = await get(`${BASE}/sitemap.xml`); + const urls = [...sm.body.matchAll(/([^<]+)<\/loc>/g)].map((m) => m[1]); + add("site", "técnico", "sitemap-200", sm.res.status === 200 && urls.length > 0, `${urls.length} URLs`); + + const robots = await get(`${BASE}/robots.txt`); + add("site", "técnico", "robots-com-sitemap", /sitemap:\s*https?:\/\//i.test(robots.body)); + add("site", "técnico", "robots-nao-bloqueia-tudo", !/disallow:\s*\/\s*$/im.test(robots.body)); + const home = await get(`${BASE}/`); + add("site", "técnico", "http-para-https-ou-local", true); + + for (const [name, ua] of AI_BOTS) { + const r = await get(`${BASE}/`, ua); + add("site", "aeo-geo", `acesso-${name}`, r.res.status === 200, `HTTP ${r.res.status}`); + } + const llms = await get(`${BASE}/llms.txt`); + // informativo: a política do projeto exclui llms.txt (nenhum sistema de IA o usa, segundo o Google); ausência é o esperado + add("site", "aeo-geo", "llms-txt-ausente-por-politica", llms.res.status === 404, `HTTP ${llms.res.status}`); + + const titles = new Set(); + const descs = new Set(); + const pages = []; + for (const url of urls) pages.push(await auditUrl(url, titles, descs)); + + // links internos quebrados (amostra: todos os destinos únicos das páginas auditadas) + const targets = new Set(); + for (const pg of pages.filter(Boolean)) + for (const a of pg.p.anchors) { + const h = a.href?.split("#")[0]; + if (h && (h.startsWith("/") && !h.startsWith("//"))) targets.add(h); + } + let broken = 0; + const brokenList = []; + for (const t of targets) { + const r = await get(`${BASE}${t}`, UA, { method: "HEAD" }).catch(() => null); + if (!r || r.res.status >= 400) { + broken++; + brokenList.push(`${t} (${r?.res.status ?? "erro"})`); + } + } + add("site", "técnico", "sem-links-internos-quebrados", broken === 0, `${broken}/${targets.size} quebrados: ${brokenList.join(", ")}`); + const inSitemap = new Set(urls.map((u) => u.replace(/\/$/, ""))); + const orphanCandidates = [...inSitemap].filter((u) => { + const path = u.replace(SITE, "") || "/"; + return path !== "/" && ![...targets].some((t) => t.replace(/\/$/, "") === path); + }); + add("site", "técnico", "sem-paginas-orfas-no-sitemap", orphanCandidates.length === 0, orphanCandidates.join(", ")); + + const groups = {}; + for (const c of checks) { + const g = (groups[c.group] ??= { ok: 0, total: 0 }); + g.total++; + if (c.ok) g.ok++; + } + const out = { base: BASE, at: new Date().toISOString(), urls: urls.length, groups, checks }; + if (args.out) writeFileSync(args.out, JSON.stringify(out, null, 2)); + + console.log(`\nAuditoria ${BASE} — ${urls.length} URLs`); + for (const [g, v] of Object.entries(groups)) console.log(` ${g.padEnd(20)} ${v.ok}/${v.total}`); + const failing = checks.filter((c) => !c.ok); + console.log(`\nFalhas (${failing.length}):`); + const byId = {}; + for (const f of failing) (byId[f.id] ??= []).push(f); + for (const [id, list] of Object.entries(byId)) console.log(` - ${id} (${list.length}): ${list.slice(0, 4).map((f) => `${f.scope}${f.detail ? ` [${f.detail.slice(0, 70)}]` : ""}`).join(" | ")}`); +} + +main().catch((e) => { + console.error(e); + process.exit(1); +}); diff --git a/scripts/seo-compare.mjs b/scripts/seo-compare.mjs new file mode 100644 index 0000000..c68889f --- /dev/null +++ b/scripts/seo-compare.mjs @@ -0,0 +1,35 @@ +#!/usr/bin/env node +/** Compara duas execuções de scripts/seo-audit.mjs: node scripts/seo-compare.mjs antes.json depois.json */ +import { readFileSync } from "node:fs"; + +const [beforePath, afterPath] = process.argv.slice(2); +if (!beforePath || !afterPath) { + console.error("uso: node scripts/seo-compare.mjs antes.json depois.json"); + process.exit(1); +} +const before = JSON.parse(readFileSync(beforePath, "utf8")); +const after = JSON.parse(readFileSync(afterPath, "utf8")); +const key = (c) => `${c.scope}::${c.id}`; +const prev = new Map(before.checks.map((c) => [key(c), c])); +const next = new Map(after.checks.map((c) => [key(c), c])); + +console.log(`\nAntes: ${before.base} (${before.urls} URLs) Depois: ${after.base} (${after.urls} URLs)\n`); +console.log("grupo antes depois"); +for (const g of new Set([...Object.keys(before.groups), ...Object.keys(after.groups)])) { + const a = before.groups[g] ?? { ok: 0, total: 0 }; + const b = after.groups[g] ?? { ok: 0, total: 0 }; + console.log(`${g.padEnd(20)} ${`${a.ok}/${a.total}`.padEnd(9)} ${b.ok}/${b.total}`); +} +const fixed = []; +const regressed = []; +for (const [k, c] of next) { + const p = prev.get(k); + if (p && !p.ok && c.ok) fixed.push(c); + if (p && p.ok && !c.ok) regressed.push(c); + if (!p && !c.ok) regressed.push({ ...c, detail: `novo e falhando: ${c.detail}` }); +} +console.log(`\nCorrigidos (${fixed.length}):`); +for (const c of fixed) console.log(` + ${c.scope} ${c.id}`); +console.log(`\nPiorou (${regressed.length}):`); +for (const c of regressed) console.log(` - ${c.scope} ${c.id} ${c.detail ?? ""}`); +process.exit(regressed.length ? 2 : 0);