fix: lighthouse issues

public/robots.txt

@@ -0,0 +1,38 @@
+User-agent: GPTBot
+Disallow: /
+
+User-agent: ChatGPT-User
+Disallow: /
+
+User-agent: Google-Extended
+Disallow: /
+
+User-agent: CCBot
+Disallow: /
+
+User-agent: anthropic-ai
+Disallow: /
+
+User-agent: Claude-Web
+Disallow: /
+
+User-agent: cohere-ai
+Disallow: /
+
+User-agent: Omgilibot
+Disallow: /
+
+User-agent: Omgili
+Disallow: /
+
+User-agent: FacebookBot
+Disallow: /
+
+User-agent: Amazonbot
+Disallow: /
+
+# Common AI scraper endpoints
+Disallow: /*?*source=
+Disallow: /*?*ref=
+Disallow: /*?*ai=
+Disallow: /*&*ai=

src/content/blog/cv-verification.mdx

@@ -1,7 +1,7 @@
 ---
 pubDate: '2025-01-02'
 title: 'Building a CV verification tool in Typst, Astro and Cloudflare D1'
-description: ""
+description: "Technical details on how I built a CV verification tool in Typst, Astro and Cloudflare D1."
 keywords:
   - CV
   - verification

src/layouts/BlogPost.astro

@@ -15,11 +15,7 @@ const { title, description, pubDate, updatedDate, heroImage, readingTime } =
 <BaseLayout title={title} description={description}>
   <article>
     <div class="hero-image">
-            {
+      {heroImage && <Picture src={heroImage} alt="" width={752} />}
-                heroImage && (
-                    <Picture src={heroImage} alt="" width={1020} height={510} />
-                )
-            }
     </div>
     <div class="prose">
       <div class="title">
@@ -28,8 +24,7 @@ const { title, description, pubDate, updatedDate, heroImage, readingTime } =
           {
             updatedDate && (
               <div class="last-updated-on">
-                                Last updated on{" "}
+                Last updated on <FormattedDate date={updatedDate} />
-                                <FormattedDate date={updatedDate} />
               </div>
             )
           }