优化SEO

src/components/SeoHead.astro

@@ -0,0 +1,71 @@
+---
+import { site } from "../data/site";
+
+interface Props {
+  title?: string;
+  description?: string;
+  image?: string;
+  noindex?: boolean;
+}
+
+const {
+  title = site.name,
+  description = site.description,
+  image = site.heroImage,
+  noindex = false
+} = Astro.props;
+
+const documentTitle = title === site.name || title.includes(site.name)
+  ? title
+  : `${title} · ${site.name}`;
+const baseUrl = Astro.site ?? new URL(site.url);
+const canonicalUrl = new URL(Astro.url.pathname, baseUrl);
+const imageUrl = new URL(image, baseUrl);
+const robots = noindex
+  ? "noindex, nofollow"
+  : "index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1";
+const structuredData = {
+  "@context": "https://schema.org",
+  "@graph": [
+    {
+      "@type": "WebSite",
+      "@id": `${new URL("/", baseUrl)}#website`,
+      url: new URL("/", baseUrl).toString(),
+      name: site.name,
+      alternateName: [site.shortName, `${site.cohort}${site.shortName}`],
+      description: site.description,
+      inLanguage: "zh-CN"
+    },
+    {
+      "@type": "WebPage",
+      "@id": `${canonicalUrl}#webpage`,
+      url: canonicalUrl.toString(),
+      name: documentTitle,
+      description,
+      isPartOf: { "@id": `${new URL("/", baseUrl)}#website` },
+      inLanguage: "zh-CN"
+    }
+  ]
+};
+---
+
+<title>{documentTitle}</title>
+<meta name="description" content={description} />
+<meta name="robots" content={robots} />
+<link rel="canonical" href={canonicalUrl} />
+
+<meta property="og:type" content="website" />
+<meta property="og:locale" content="zh_CN" />
+<meta property="og:site_name" content={site.name} />
+<meta property="og:title" content={documentTitle} />
+<meta property="og:description" content={description} />
+<meta property="og:url" content={canonicalUrl} />
+<meta property="og:image" content={imageUrl} />
+<meta property="og:image:alt" content={`${site.name}校园记忆`} />
+
+<meta name="twitter:card" content="summary_large_image" />
+<meta name="twitter:title" content={documentTitle} />
+<meta name="twitter:description" content={description} />
+<meta name="twitter:image" content={imageUrl} />
+
+<script is:inline type="application/ld+json" set:html={JSON.stringify(structuredData)} />

src/data/articles.generated.json

@@ -907,7 +907,7 @@
     "displayDate": "2025.05.28",
     "sourceUrl": "https://mp.weixin.qq.com/s/BzwaFT3_-lTwkz1keEexZg",
     "cover": "/assets/article-covers/cover-325470909f3b.webp",
-    "excerpt": "网站群于今日起上线试运营。 共三个站点： 主站点：https://class612.bond",
+    "excerpt": "网站群于今日起上线试运营。 共三个站点： 主站点：https://www.2024612.xyz/",
     "category": "校园通知",
     "fileName": "网站群上线通知.md",
     "coverSourceUrl": "https://mmbiz.qpic.cn/sz_mmbiz_jpg/RKNa5pic8piampaibDJNlrCiawqhia3LzibyNa3MNNlEAUAOqz6Fxyurqr4ic3YokNjqMPazGibr1vl2lQX67PLwVWWFlg/640?wx_fmt=jpeg"

src/data/site.ts

@@ -1,11 +1,17 @@
 export const site = {
-  className: "2024届612班",
+  name: "高平一中612班",
+  shortName: "612班",
+  className: "高平一中612班",
+  cohort: "2024届",
+  url: "https://www.2024612.xyz/",
   title: "毕业后，我们依然在场",
   subtitle:
     "把散落在相册、聊天记录和心里的瞬间放回同一个地方。这里先留给高中的三年，也留给一年后的我们。",
+  description:
+    "高平一中2024届612班纪念网站，收录三年时间线、班级照片、青春刊物和同学近况，保存我们共同走过的高中时光。",
   anniversary: "2024.06 - 2026.06 · 毕业周年纪念",
   heroImage: "/assets/campus-hero.png",
-  footer: "2024届612班纪念网站"
+  footer: "高平一中612班纪念网站"
 };
 
 export const contactLinks = [