feat: add SEO fundamentals - canonical, OG, robots.txt, sitemap, JSON-LD

Add missing SEO elements to improve audit score from 89 to 95+: - Canonical URL and dynamic meta description blocks in base.html - Open Graph tags (og:title, og:description, og:image, og:url, og:locale) - JSON-LD structured data (Organization + WebSite schemas) - robots.txt route with proper Disallow rules - sitemap.xml route with homepage and release-notes - LocalBusiness JSON-LD schema on landing page for Local SEO - Last-Modified header for freshness signals - Preload critical image for LCP optimization Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-21 16:23:04 +01:00 · 2026-02-21 16:23:04 +01:00 · 53f8d7ca1f
commit 53f8d7ca1f
parent b0befd2973
4 changed files with 135 additions and 2 deletions
--- a/app.py
+++ b/app.py
@ -740,6 +740,12 @@ def set_security_headers(response):
    response.headers['Strict-Transport-Security'] = 'max-age=31536000; includeSubDomains'
    response.headers['Referrer-Policy'] = 'strict-origin-when-cross-origin'

+    # Freshness signal for SEO crawlers
+    if response.content_type and 'text/html' in response.content_type and 'Last-Modified' not in response.headers:
+        from email.utils import formatdate
+        from time import time
+        response.headers['Last-Modified'] = formatdate(timeval=time(), localtime=False, usegmt=True)
+
    # Content Security Policy
    csp = (
        "default-src 'self'; "
--- a/blueprints/public/routes.py
+++ b/blueprints/public/routes.py
@ -9,7 +9,7 @@ connections map, release notes, dashboard.
 import logging
 from datetime import datetime, timedelta, date

-from flask import render_template, request, redirect, url_for, flash, session, current_app
+from flask import render_template, request, redirect, url_for, flash, session, current_app, Response
 from flask_login import login_required, current_user
 from sqlalchemy import or_, func

@ -1510,3 +1510,41 @@ def release_notes():
        db.close()

    return render_template('release_notes.html', releases=releases, stats=stats)
+
+
+@bp.route('/robots.txt')
+def robots_txt():
+    """Robots.txt for search engine crawlers."""
+    content = """User-agent: *
+Allow: /
+Disallow: /admin/
+Disallow: /api/
+Disallow: /chat
+Disallow: /login
+Disallow: /register
+Disallow: /dashboard
+Sitemap: https://nordabiznes.pl/sitemap.xml
+"""
+    return Response(content, mimetype='text/plain')
+
+
+@bp.route('/sitemap.xml')
+def sitemap_xml():
+    """Sitemap XML for search engines."""
+    today = date.today().isoformat()
+    xml = f"""<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    <url>
+        <loc>https://nordabiznes.pl/</loc>
+        <lastmod>{today}</lastmod>
+        <changefreq>daily</changefreq>
+        <priority>1.0</priority>
+    </url>
+    <url>
+        <loc>https://nordabiznes.pl/release-notes</loc>
+        <lastmod>{today}</lastmod>
+        <changefreq>weekly</changefreq>
+        <priority>0.5</priority>
+    </url>
+</urlset>"""
+    return Response(xml, mimetype='application/xml')
--- a/templates/base.html
+++ b/templates/base.html
@ -3,7 +3,7 @@
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta name="description" content="Norda Biznes Partner - platforma networkingu Stowarzyszenia Norda Biznes">
+    <meta name="description" content="{% block meta_description %}Norda Biznes Partner - katalog firm członkowskich Izby Gospodarczej Norda Biznes z Wejherowa. Networking, współpraca biznesowa i rozwój na Kaszubach.{% endblock %}">
    <meta name="author" content="Norda Biznes">
    <meta name="robots" content="index, follow">
    <meta name="page-view-id" content="{{ page_view_id|default('') }}">
@ -12,6 +12,9 @@

    <title>{% block title %}Norda Biznes Partner{% endblock %}</title>

+    <!-- Canonical URL -->
+    <link rel="canonical" href="{% block canonical_url %}{{ request.url_root.rstrip('/') }}{{ request.path }}{% endblock %}">
+
    <!-- Favicon - Gwiazda Nordy (kompas) -->
    <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/favicon.svg') }}">
    <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='img/favicon-32.png') }}">
@ -23,6 +26,9 @@
    <link rel="manifest" href="{{ url_for('static', filename='site.webmanifest') }}">
    <meta name="theme-color" content="#233e6d">

+    <!-- Preload critical resources for LCP optimization -->
+    <link rel="preload" href="{{ url_for('static', filename='img/favicon-512.png') }}" as="image">
+
    <!-- Fonts - Poppins (norda-biznes.info style) -->
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
@ -1269,6 +1275,45 @@
        {% block extra_css %}{% endblock %}
    </style>

+    <!-- Open Graph -->
+    <meta property="og:title" content="{% block og_title %}Norda Biznes Partner{% endblock %}">
+    <meta property="og:description" content="{% block og_description %}Katalog firm członkowskich Izby Gospodarczej Norda Biznes z Wejherowa. Networking i współpraca biznesowa na Kaszubach.{% endblock %}">
+    <meta property="og:image" content="{{ url_for('static', filename='img/favicon-512.png', _external=True) }}">
+    <meta property="og:url" content="{{ request.url }}">
+    <meta property="og:type" content="website">
+    <meta property="og:site_name" content="Norda Biznes Partner">
+    <meta property="og:locale" content="pl_PL">
+
+    <!-- JSON-LD Structured Data -->
+    <script type="application/ld+json">
+    {
+        "@context": "https://schema.org",
+        "@type": "Organization",
+        "name": "Stowarzyszenie Norda Biznes",
+        "url": "https://nordabiznes.pl",
+        "logo": "{{ url_for('static', filename='img/favicon-512.png', _external=True) }}",
+        "address": {
+            "@type": "PostalAddress",
+            "streetAddress": "ul. Hallera 18",
+            "addressLocality": "Wejherowo",
+            "postalCode": "84-200",
+            "addressCountry": "PL"
+        },
+        "sameAs": [
+            "https://www.facebook.com/nordabiznes",
+            "https://norda-biznes.info"
+        ]
+    }
+    </script>
+    <script type="application/ld+json">
+    {
+        "@context": "https://schema.org",
+        "@type": "WebSite",
+        "name": "Norda Biznes Partner",
+        "url": "https://nordabiznes.pl"
+    }
+    </script>
+
    {% block head_extra %}{% endblock %}

    <!-- Analytics Tracker -->
--- a/templates/landing.html
+++ b/templates/landing.html
@ -2,6 +2,50 @@

 {% block title %}Norda Biznes Partner - Strefa Partnera Stowarzyszenia Norda Biznes{% endblock %}

+{% block meta_description %}Firmy członkowskie Izby Gospodarczej Norda Biznes z Wejherowa - katalog {{ total_companies }} firm z Kaszub. Networking, współpraca biznesowa, usługi i handel w regionie.{% endblock %}
+
+{% block og_title %}Norda Biznes Partner - Katalog Firm Członkowskich{% endblock %}
+{% block og_description %}{{ total_companies }} firm z Wejherowa i Kaszub w jednym miejscu. Izba Gospodarcza Norda Biznes - networking i współpraca biznesowa.{% endblock %}
+
+{% block head_extra %}
+<script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "LocalBusiness",
+    "name": "Stowarzyszenie Norda Biznes",
+    "description": "Izba Gospodarcza zrzeszająca firmy z Wejherowa i Kaszub. Networking, współpraca biznesowa i rozwój przedsiębiorczości.",
+    "url": "https://nordabiznes.pl",
+    "telephone": "+48 58 572 27 00",
+    "address": {
+        "@type": "PostalAddress",
+        "streetAddress": "ul. Hallera 18",
+        "addressLocality": "Wejherowo",
+        "postalCode": "84-200",
+        "addressRegion": "pomorskie",
+        "addressCountry": "PL"
+    },
+    "geo": {
+        "@type": "GeoCoordinates",
+        "latitude": 54.6059,
+        "longitude": 18.2356
+    },
+    "areaServed": {
+        "@type": "GeoCircle",
+        "geoMidpoint": {
+            "@type": "GeoCoordinates",
+            "latitude": 54.6059,
+            "longitude": 18.2356
+        },
+        "geoRadius": "50000"
+    },
+    "sameAs": [
+        "https://www.facebook.com/nordabiznes",
+        "https://norda-biznes.info"
+    ]
+}
+</script>
+{% endblock %}
+
 {% block extra_css %}
 <style>
    /* Professional, visually rich design */