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feat: migrate to Next.js 14 native sitemap with optimized splitting (#124)
- Remove next-sitemap dependency for better performance and maintainability - Implement Next.js 14 native sitemap generation using MetadataRoute.Sitemap - Split sitemap into logical sections for SEO best practices: - Main sitemap index (/sitemap.xml) - Base pages sitemap (/sitemap-base.xml) - 13 URLs, 5.6KB - FAQ pages sitemap (/sitemap-faq.xml) - 4200 URLs, 2.2MB - Add proper URL encoding for FAQ IDs to handle special characters like & - Include comprehensive hreflang annotations for multilingual SEO - Implement proper XML generation with caching headers - Update package.json to remove postbuild script - Add native robots.txt generation Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-authored-by: Claude <[email protected]> Co-authored-by: Happy <[email protected]>
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4 files changed

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‎src/app/robots.ts‎

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
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import { MetadataRoute } from 'next';
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import { MetadataRoute } from 'next'
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export default function robots(): MetadataRoute.Robots {
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const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io';
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const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io'
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return {
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rules: [
@@ -12,5 +12,5 @@ export default function robots(): MetadataRoute.Robots {
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}
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],
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sitemap: `${baseUrl}/sitemap.xml`
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};
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}
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}
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}

‎src/app/sitemap-base.xml/route.ts‎

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import { MetadataRoute } from 'next'
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import { showFAQ } from '@/constants'
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// 语言配置
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const locales = ['en', 'zh', 'ja']
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export function GET(): Response {
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const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io'
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const basePaths = ['', '/enterprise', '/price']
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// 为每种语言生成基础页面
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const sitemap: MetadataRoute.Sitemap = []
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for (const locale of locales) {
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for (const path of basePaths) {
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sitemap.push({
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url: `${baseUrl}/${locale}${path}`,
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lastModified: new Date(),
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changeFrequency: 'weekly',
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priority: path === '' ? 1.0 : 0.8,
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alternates: {
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languages: locales.reduce((acc, lang) => {
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acc[lang] = `${baseUrl}/${lang}${path}`
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return acc
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}, {} as Record<string, string>)
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}
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})
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}
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// FAQ列表页（如果FAQ功能启用）
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if (showFAQ) {
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sitemap.push({
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url: `${baseUrl}/${locale}/faq`,
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lastModified: new Date(),
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changeFrequency: 'daily',
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priority: 0.9,
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alternates: {
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languages: locales.reduce((acc, lang) => {
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acc[lang] = `${baseUrl}/${lang}/faq`
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return acc
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}, {} as Record<string, string>)
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}
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})
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}
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}
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// 根首页
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sitemap.push({
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url: baseUrl,
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lastModified: new Date(),
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changeFrequency: 'daily',
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priority: 1.0,
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alternates: {
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languages: {
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en: `${baseUrl}/en`,
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zh: `${baseUrl}/zh`,
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ja: `${baseUrl}/ja`
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}
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}
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})
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console.log(`Generated base sitemap with ${sitemap.length} URLs`)
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// 生成XML内容
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
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${sitemap.map(url => ` <url>
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<loc>${url.url}</loc>
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<xhtml:link rel="alternate" hreflang="en" href="${url.alternates?.languages?.en}" />
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<xhtml:link rel="alternate" hreflang="zh" href="${url.alternates?.languages?.zh}" />
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<xhtml:link rel="alternate" hreflang="ja" href="${url.alternates?.languages?.ja}" />
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<lastmod>${(url.lastModified ? new Date(url.lastModified) : new Date()).toISOString()}</lastmod>
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<changefreq>${url.changeFrequency}</changefreq>
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<priority>${url.priority}</priority>
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</url>`).join('\n')}
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</urlset>`
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return new Response(xml, {
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headers: {
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'Content-Type': 'application/xml',
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'Cache-Control': 'public, max-age=3600, s-maxage=86400'
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}
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})
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}

‎src/app/sitemap-faq.xml/route.ts‎

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Original file line numberDiff line numberDiff line change
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import { MetadataRoute } from 'next'
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import { faq } from '@/faq'
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import { showFAQ } from '@/constants'
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// 语言配置
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const locales = ['en', 'zh', 'ja']
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export function GET(): Response {
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const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io'
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const sitemap: MetadataRoute.Sitemap = []
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if (showFAQ) {
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console.log(`Generating FAQ sitemap with ${Object.keys(faq).length} FAQ items`)
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// 为每种语言生成FAQ详情页面
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for (const locale of locales) {
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for (const faqId of Object.keys(faq)) {
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// 对FAQ ID进行URL编码以避免XML实体问题
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const encodedFaqId = encodeURIComponent(faqId)
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sitemap.push({
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url: `${baseUrl}/${locale}/faq/${encodedFaqId}`,
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lastModified: new Date(),
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changeFrequency: 'weekly',
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priority: 0.7,
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alternates: {
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languages: locales.reduce((acc, lang) => {
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acc[lang] = `${baseUrl}/${lang}/faq/${encodedFaqId}`
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return acc
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}, {} as Record<string, string>)
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}
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})
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}
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}
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console.log(`Generated FAQ sitemap with ${sitemap.length} URLs`)
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} else {
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console.log('FAQ feature is disabled, generating empty FAQ sitemap')
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}
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// 生成XML内容
42+
const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
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${sitemap.map(url => ` <url>
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<loc>${url.url}</loc>
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<xhtml:link rel="alternate" hreflang="en" href="${url.alternates?.languages?.en}" />
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<xhtml:link rel="alternate" hreflang="zh" href="${url.alternates?.languages?.zh}" />
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<xhtml:link rel="alternate" hreflang="ja" href="${url.alternates?.languages?.ja}" />
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<lastmod>${(url.lastModified ? new Date(url.lastModified) : new Date()).toISOString()}</lastmod>
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<changefreq>${url.changeFrequency}</changefreq>
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<priority>${url.priority}</priority>
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</url>`).join('\n')}
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</urlset>`
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55+
return new Response(xml, {
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headers: {
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'Content-Type': 'application/xml',
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'Cache-Control': 'public, max-age=3600, s-maxage=86400'
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}
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})
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}

‎src/app/sitemap.ts‎

Lines changed: 18 additions & 59 deletions
Original file line numberDiff line numberDiff line change
@@ -1,61 +1,20 @@
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import { MetadataRoute } from 'next';
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3-
// Helper function to format date
4-
function formatDate(date: Date): string {
5-
return date.toISOString().replace(/\.\d{3}Z$/, 'Z');
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}
7-
8-
export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
9-
const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io';
10-
const locales = ['en', 'zh', 'ja'];
11-
const now = formatDate(new Date());
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13-
const paths: MetadataRoute.Sitemap = [];
14-
15-
// Generate paths for different locales
16-
for (const locale of locales) {
17-
// Homepage with locale
18-
paths.push({
19-
url: `${baseUrl}/${locale}`,
20-
lastModified: now,
21-
changeFrequency: 'daily',
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priority: 1.0
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});
24-
25-
// Enterprise page
26-
paths.push({
27-
url: `${baseUrl}/${locale}/enterprise`,
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lastModified: now,
29-
changeFrequency: 'weekly',
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priority: 0.8
31-
});
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33-
// Price page
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paths.push({
35-
url: `${baseUrl}/${locale}/price`,
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lastModified: now,
37-
changeFrequency: 'weekly',
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priority: 0.8
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});
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41-
// FAQ page (only include if FAQ is enabled)
42-
if (process.env.NEXT_PUBLIC_FAQ === 'true') {
43-
paths.push({
44-
url: `${baseUrl}/${locale}/faq`,
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lastModified: now,
46-
changeFrequency: 'daily',
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priority: 0.9
48-
});
1+
import { MetadataRoute } from 'next'
2+
3+
export default function sitemap(): MetadataRoute.Sitemap {
4+
const baseUrl = process.env.NEXT_PUBLIC_HOME_URL || 'https://fastgpt.io'
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6+
// 生成主sitemap索引，指向拆分后的子sitemap
7+
const sitemapIndex: MetadataRoute.Sitemap = [
8+
{
9+
url: `${baseUrl}/sitemap-base.xml`,
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lastModified: new Date()
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},
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{
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url: `${baseUrl}/sitemap-faq.xml`,
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lastModified: new Date()
4915
}
50-
}
51-
52-
// Root homepage
53-
paths.push({
54-
url: baseUrl,
55-
lastModified: now,
56-
changeFrequency: 'daily',
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priority: 1.0
58-
});
16+
]
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60-
return paths;
61-
}
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console.log(`Generated sitemap index with ${sitemapIndex.length} sitemaps`)
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return sitemapIndex
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}

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