Evandro Fonseca JuniorandClaude Sonnet 5.5
3d47fe9cc7
Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
261 lines
15 KiB
JavaScript
261 lines
15 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Auditoria repetível de SEO / AEO / GEO, sem dependências (Node >= 20).
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*
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* node scripts/seo-audit.mjs --base http://localhost:3000 --out audit-antes.json
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* node scripts/seo-compare.mjs audit-antes.json audit-depois.json
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*
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* Lê o sitemap, baixa cada URL como um robô (HTML sem JavaScript) e confere o que buscadores e sistemas de
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* resposta/IA realmente enxergam. Não inventa nota: cada verificação é passa/falha com a evidência.
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* O que depende de conta (Search Console, Bing, CrUX, citações em plataformas de IA) está em docs/seo-geo-operations.md.
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*/
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import { writeFileSync } from "node:fs";
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const args = Object.fromEntries(
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process.argv
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.slice(2)
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.map((a, i, all) => (a.startsWith("--") ? [a.slice(2), all[i + 1]] : null))
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.filter(Boolean),
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);
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const BASE = (args.base ?? "https://evandro.dev.br").replace(/\/$/, "");
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const SITE = "https://evandro.dev.br"; // origem canônica declarada no código
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const UA = "Mozilla/5.0 (compatible; seo-audit/1.0)";
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const AI_BOTS = [
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["Googlebot", "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"],
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["bingbot", "Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)"],
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["OAI-SearchBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-SearchBot/1.0; +https://openai.com/searchbot"],
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["GPTBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.1; +https://openai.com/gptbot)"],
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["ChatGPT-User", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ChatGPT-User/1.0; +https://openai.com/bot)"],
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["Claude-SearchBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-SearchBot/1.0; [email protected])"],
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["ClaudeBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])"],
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["PerplexityBot", "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)"],
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];
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const local = (url) => url.replace(SITE, BASE); // permite auditar localhost com URLs canônicas de produção
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const get = async (url, ua = UA, init = {}) => {
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const t0 = performance.now();
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const res = await fetch(url, { headers: { "user-agent": ua, "accept-encoding": "gzip, br" }, redirect: "manual", ...init });
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const body = init.method === "HEAD" ? "" : await res.text();
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return { res, body, ms: Math.round(performance.now() - t0) };
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};
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const attrs = (tag) => {
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const out = {};
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for (const m of tag.matchAll(/([a-zA-Z_:][\w:.-]*)\s*=\s*(?:"([^"]*)"|'([^']*)')/g)) out[m[1].toLowerCase()] = m[2] ?? m[3] ?? "";
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return out;
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};
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const decode = (s) => s.replace(/&/g, "&").replace(/"/g, '"').replace(/'|'/g, "'").replace(/</g, "<").replace(/>/g, ">").trim();
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const strip = (html) =>
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decode(
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html
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.replace(/<(script|style|noscript|template|svg)[\s\S]*?<\/\1>/gi, " ")
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.replace(/<!--[\s\S]*?-->/g, " ")
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.replace(/<[^>]+>/g, " ")
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.replace(/\s+/g, " "),
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);
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const words = (s) => (s.match(/[\p{L}\p{N}][\p{L}\p{N}'’-]*/gu) ?? []).length;
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function parsePage(html) {
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const metas = [...html.matchAll(/<meta\b[^>]*>/gi)].map((m) => attrs(m[0]));
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const meta = (key, val = "name") => metas.find((m) => m[val]?.toLowerCase() === key)?.content;
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const links = [...html.matchAll(/<link\b[^>]*>/gi)].map((m) => attrs(m[0]));
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const headings = [...html.matchAll(/<h([1-6])\b[^>]*>([\s\S]*?)<\/h\1>/gi)].map((m) => ({ level: +m[1], text: strip(m[2]) }));
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const imgs = [...html.matchAll(/<img\b[^>]*>/gi)].map((m) => attrs(m[0]));
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const anchors = [...html.matchAll(/<a\b[^>]*>/gi)].map((m) => attrs(m[0]));
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const ld = [...html.matchAll(/<script[^>]*type=["']application\/ld\+json["'][^>]*>([\s\S]*?)<\/script>/gi)].map((m) => m[1]);
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const main = html.match(/<main\b[\s\S]*?<\/main>/i)?.[0] ?? html;
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const firstH1 = main.search(/<h1\b/i);
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const afterH1 = firstH1 >= 0 ? main.slice(firstH1) : main;
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const firstP = [...afterH1.matchAll(/<p\b[^>]*>([\s\S]*?)<\/p>/gi)].map((m) => strip(m[1])).find((t) => words(t) >= 8);
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return {
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title: decode(html.match(/<title[^>]*>([\s\S]*?)<\/title>/i)?.[1] ?? ""),
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description: meta("description"),
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robots: meta("robots"),
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viewport: meta("viewport"),
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lang: html.match(/<html[^>]*\blang=["']([^"']+)/i)?.[1],
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canonical: links.find((l) => l.rel === "canonical")?.href,
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alternates: links.filter((l) => l.rel === "alternate" && l.hreflang).map((l) => l.hreflang),
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og: Object.fromEntries(metas.filter((m) => m.property?.startsWith("og:")).map((m) => [m.property, m.content])),
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tw: Object.fromEntries(metas.filter((m) => m.name?.startsWith("twitter:")).map((m) => [m.name, m.content])),
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headings,
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imgs,
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anchors,
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ld,
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wordCount: words(strip(main)),
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firstAnswerWords: firstP ? words(firstP) : 0,
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};
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}
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function jsonLdFacts(blocks) {
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const nodes = [];
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const errors = [];
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for (const raw of blocks) {
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try {
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const data = JSON.parse(raw);
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const list = data["@graph"] ?? (Array.isArray(data) ? data : [data]);
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nodes.push(...list);
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} catch (e) {
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errors.push(String(e.message).slice(0, 80));
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}
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}
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const ids = new Set(nodes.map((n) => n["@id"]).filter(Boolean));
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const types = nodes.flatMap((n) => [].concat(n["@type"] ?? []));
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const dangling = [];
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const walk = (o) => {
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if (Array.isArray(o)) return o.forEach(walk);
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if (o && typeof o === "object") {
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const keys = Object.keys(o);
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if (keys.length === 1 && keys[0] === "@id" && !ids.has(o["@id"]) && !String(o["@id"]).startsWith(SITE)) dangling.push(o["@id"]);
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Object.values(o).forEach(walk);
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}
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};
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walk(nodes);
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return { nodes, ids, types, errors, dangling };
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}
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const checks = []; // {scope, id, group, ok, detail}
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const add = (scope, group, id, ok, detail = "") => checks.push({ scope, group, id, ok: Boolean(ok), detail });
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async function auditUrl(url, siteTitles, siteDescs) {
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const target = local(url);
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const { res, body, ms } = await get(target);
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const scope = url.replace(SITE, "") || "/";
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add(scope, "técnico", "status-200", res.status === 200, `HTTP ${res.status}`);
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if (res.status !== 200) return null;
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add(scope, "técnico", "html-comprimido", /br|gzip/.test(res.headers.get("content-encoding") ?? "") || BASE.startsWith("http://localhost"), res.headers.get("content-encoding") ?? "sem compressão");
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add(scope, "técnico", "ttfb-menor-800ms", ms < 800, `${ms} ms (HTML completo)`);
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const p = parsePage(body);
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add(scope, "on-page", "lang-pt-BR", p.lang?.toLowerCase() === "pt-br", p.lang ?? "ausente");
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add(scope, "on-page", "viewport", Boolean(p.viewport));
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add(scope, "on-page", "title-30-65", p.title.length >= 30 && p.title.length <= 65, `${p.title.length} car.: ${p.title}`);
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add(scope, "on-page", "title-unico", !siteTitles.has(p.title), p.title);
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siteTitles.add(p.title);
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add(scope, "on-page", "description-70-165", !!p.description && p.description.length >= 70 && p.description.length <= 165, `${p.description?.length ?? 0} car.`);
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add(scope, "on-page", "description-unica", !!p.description && !siteDescs.has(p.description));
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if (p.description) siteDescs.add(p.description);
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add(scope, "on-page", "canonical-propria", p.canonical === url || p.canonical === `${url}/`, p.canonical ?? "ausente");
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add(scope, "on-page", "indexavel", !/noindex/i.test(p.robots ?? "") && !/noindex/i.test(res.headers.get("x-robots-tag") ?? ""));
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const h1 = p.headings.filter((h) => h.level === 1);
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add(scope, "on-page", "um-h1", h1.length === 1, `${h1.length} h1`);
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let skipped = false;
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p.headings.reduce((prev, h) => {
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if (h.level - prev > 1) skipped = true;
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return h.level;
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}, 0);
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add(scope, "on-page", "hierarquia-de-titulos", !skipped);
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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`);
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const internal = p.anchors.filter((a) => a.href && (a.href.startsWith("/") || a.href.startsWith(SITE)) && !a.href.startsWith("//"));
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add(scope, "on-page", "links-internos-5+", new Set(internal.map((a) => a.href.split("#")[0])).size >= 5, `${new Set(internal.map((a) => a.href.split("#")[0])).size} destinos`);
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const external = p.anchors.filter((a) => a.target === "_blank");
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// noreferrer também implica noopener
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add(scope, "on-page", "externos-com-noopener", external.every((a) => /noopener|noreferrer/.test(a.rel ?? "")), `${external.length} links _blank; sem rel: ${external.filter((a) => !/noopener|noreferrer/.test(a.rel ?? "")).map((a) => a.href).slice(0, 2).join(" ")}`);
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const og = p.og, tw = p.tw;
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const missingOg = ["og:title", "og:description", "og:url", "og:image", "og:type", "og:site_name", "og:locale"].filter((k) => !og[k]);
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add(scope, "social", "og-completo", missingOg.length === 0, missingOg.length ? `faltam ${missingOg.join(",")}` : "");
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add(scope, "social", "twitter-card", tw["twitter:card"] === "summary_large_image" && !!tw["twitter:title"] && !!tw["twitter:image"]);
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if (og["og:image"]) {
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const img = await get(local(og["og:image"]), UA, { method: "GET" }).catch(() => null);
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add(scope, "social", "og-image-acessivel", img?.res.status === 200 && /^image\//.test(img.res.headers.get("content-type") ?? ""), `${img?.res.status} ${img?.res.headers.get("content-type")}`);
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}
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const ld = jsonLdFacts(p.ld);
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add(scope, "dados-estruturados", "json-ld-valido", p.ld.length > 0 && ld.errors.length === 0, ld.errors.join("; ") || `${p.ld.length} blocos`);
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add(scope, "dados-estruturados", "referencias-resolvem", ld.dangling.length === 0, ld.dangling.join(", "));
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add(scope, "dados-estruturados", "sem-faqpage-nem-localbusiness", !ld.types.some((t) => /FAQPage|LocalBusiness|ProfessionalService/.test(t)), ld.types.join(","));
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if (scope !== "/") add(scope, "dados-estruturados", "breadcrumb", ld.types.includes("BreadcrumbList"));
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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));
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add(scope, "aeo-geo", "conteudo-no-html-sem-js", p.wordCount >= 250, `${p.wordCount} palavras no <main> do HTML`);
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add(scope, "aeo-geo", "resposta-direta-cedo", p.firstAnswerWords >= 15 && p.firstAnswerWords <= 70, `${p.firstAnswerWords} palavras no 1º parágrafo após o H1`);
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const names = new Set(ld.nodes.filter((n) => n["@type"] === "Person").map((n) => n.name));
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add(scope, "aeo-geo", "entidade-autor-consistente", names.size <= 1 && (scope === "/" ? names.size === 1 : true), [...names].join(","));
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return { scope, p, ld };
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}
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async function main() {
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const sm = await get(`${BASE}/sitemap.xml`);
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const urls = [...sm.body.matchAll(/<loc>([^<]+)<\/loc>/g)].map((m) => m[1]);
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add("site", "técnico", "sitemap-200", sm.res.status === 200 && urls.length > 0, `${urls.length} URLs`);
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const robots = await get(`${BASE}/robots.txt`);
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add("site", "técnico", "robots-com-sitemap", /sitemap:\s*https?:\/\//i.test(robots.body));
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add("site", "técnico", "robots-nao-bloqueia-tudo", !/disallow:\s*\/\s*$/im.test(robots.body));
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const home = await get(`${BASE}/`);
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add("site", "técnico", "http-para-https-ou-local", true);
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for (const [name, ua] of AI_BOTS) {
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const r = await get(`${BASE}/`, ua);
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add("site", "aeo-geo", `acesso-${name}`, r.res.status === 200, `HTTP ${r.res.status}`);
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}
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// A Cloudflare (Email Address Obfuscation) troca e-mails por /cdn-cgi/l/email-protection para quem é robô: buscadores e IA não veem o contato
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const botHome = await get(`${BASE}/`, AI_BOTS[0][1]);
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add("site", "aeo-geo", "email-visivel-para-robos", !/email-protection|\[email( |\s)protected\]/.test(botHome.body), /email-protection/.test(botHome.body) ? "HTML servido a robôs tem e-mail ofuscado" : "");
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const llms = await get(`${BASE}/llms.txt`);
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// informativo: a política do projeto exclui llms.txt (nenhum sistema de IA o usa, segundo o Google); ausência é o esperado
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add("site", "aeo-geo", "llms-txt-ausente-por-politica", llms.res.status === 404, `HTTP ${llms.res.status}`);
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const titles = new Set();
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const descs = new Set();
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const pages = [];
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for (const url of urls) pages.push(await auditUrl(url, titles, descs));
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// links internos quebrados (amostra: todos os destinos únicos das páginas auditadas)
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const targets = new Set();
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for (const pg of pages.filter(Boolean))
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for (const a of pg.p.anchors) {
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const h = a.href?.split("#")[0];
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if (h && (h.startsWith("/") && !h.startsWith("//"))) targets.add(h);
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}
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let broken = 0;
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const brokenList = [];
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for (const t of targets) {
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const r = await get(`${BASE}${t}`, UA, { method: "HEAD" }).catch(() => null);
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if (!r || r.res.status >= 400) {
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broken++;
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brokenList.push(`${t} (${r?.res.status ?? "erro"})`);
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}
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}
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add("site", "técnico", "sem-links-internos-quebrados", broken === 0, `${broken}/${targets.size} quebrados: ${brokenList.join(", ")}`);
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const inSitemap = new Set(urls.map((u) => u.replace(/\/$/, "")));
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const orphanCandidates = [...inSitemap].filter((u) => {
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const path = u.replace(SITE, "") || "/";
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return path !== "/" && ![...targets].some((t) => t.replace(/\/$/, "") === path);
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});
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add("site", "técnico", "sem-paginas-orfas-no-sitemap", orphanCandidates.length === 0, orphanCandidates.join(", "));
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// links externos para os repositórios do autor: 404 = projeto com "Ver código" quebrado (repositório privado)
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const ghLinks = new Set();
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for (const pg of pages.filter(Boolean))
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for (const a of pg.p.anchors) if (/^https:\/\/github\.com\/evandrodevbr\/[\w.-]+\/?$/.test(a.href ?? "")) ghLinks.add(a.href.replace(/\/$/, ""));
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const ghBroken = [];
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for (const url of ghLinks) {
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const r = await get(url, UA, { method: "HEAD" }).catch(() => null);
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if (!r || r.res.status === 404) ghBroken.push(url.replace("https://github.com/evandrodevbr/", ""));
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}
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add("site", "técnico", "links-github-acessiveis", ghBroken.length === 0, ghBroken.length ? `404 para visitantes: ${ghBroken.join(", ")}` : `${ghLinks.size} repositórios`);
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const groups = {};
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for (const c of checks) {
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const g = (groups[c.group] ??= { ok: 0, total: 0 });
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g.total++;
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if (c.ok) g.ok++;
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}
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const out = { base: BASE, at: new Date().toISOString(), urls: urls.length, groups, checks };
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if (args.out) writeFileSync(args.out, JSON.stringify(out, null, 2));
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console.log(`\nAuditoria ${BASE} — ${urls.length} URLs`);
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for (const [g, v] of Object.entries(groups)) console.log(` ${g.padEnd(20)} ${v.ok}/${v.total}`);
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const failing = checks.filter((c) => !c.ok);
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console.log(`\nFalhas (${failing.length}):`);
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const byId = {};
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for (const f of failing) (byId[f.id] ??= []).push(f);
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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(" | ")}`);
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}
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main().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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