refactor(seo): Rename FID to INP across entire codebase

Google replaced First Input Delay (FID) with Interaction to Next Paint
(INP) as a Core Web Vital in March 2024. This renames the DB column
from first_input_delay_ms to interaction_to_next_paint_ms, updates the
PageSpeed client to prefer the INP audit key, and fixes all references
across routes, services, scripts, and report generators. Updated INP
thresholds: good ≤200ms, needs improvement ≤500ms.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

audit_ai_service.py

@@ -222,7 +222,7 @@ def _collect_seo_data(db, company) -> dict:
         'nap_on_website': analysis.nap_on_website,
         # Core Web Vitals
         'lcp_ms': analysis.largest_contentful_paint_ms,
-        'inp_ms': getattr(analysis, 'interaction_to_next_paint_ms', None),  # Replaced FID in March 2024
+        'inp_ms': analysis.interaction_to_next_paint_ms,
         'cls': float(analysis.cumulative_layout_shift) if analysis.cumulative_layout_shift else None,
         # Additional performance metrics (10 missing metrics)
         'fcp_ms': getattr(analysis, 'first_contentful_paint_ms', None),

blueprints/api/routes_seo_audit.py

@@ -192,7 +192,7 @@ def _build_seo_audit_response(company, analysis):
             },
             'core_web_vitals': {
                 'largest_contentful_paint_ms': analysis.largest_contentful_paint_ms,
-                'first_input_delay_ms': analysis.first_input_delay_ms,
+                'interaction_to_next_paint_ms': analysis.interaction_to_next_paint_ms,
                 'cumulative_layout_shift': float(analysis.cumulative_layout_shift) if analysis.cumulative_layout_shift else None
             },
             'social': {

blueprints/audit/routes.py

@@ -105,7 +105,7 @@ def seo_audit_dashboard(slug):
                 'last_modified_date': analysis.last_modified_at,
                 # Core Web Vitals
                 'lcp_ms': analysis.largest_contentful_paint_ms,
-                'inp_ms': analysis.first_input_delay_ms,
+                'inp_ms': analysis.interaction_to_next_paint_ms,
                 'cls': float(analysis.cumulative_layout_shift) if analysis.cumulative_layout_shift is not None else None,
                 # Heading structure
                 'h1_count': analysis.h1_count,

database.py

@@ -1111,7 +1111,7 @@ class CompanyWebsiteAnalysis(Base):
     # Core Web Vitals
     viewport_configured = Column(Boolean)  # Whether viewport meta tag is properly configured
     largest_contentful_paint_ms = Column(Integer)  # Core Web Vital: LCP in milliseconds
-    first_input_delay_ms = Column(Integer)  # Core Web Vital: FID in milliseconds
+    interaction_to_next_paint_ms = Column(Integer)  # Core Web Vital: INP in milliseconds (replaced FID March 2024)
     cumulative_layout_shift = Column(Numeric(5, 3))  # Core Web Vital: CLS score
 
     # Open Graph & Social Meta

database/migrations/060_rename_fid_to_inp.sql

@@ -0,0 +1,8 @@
+-- Migration 060: Rename first_input_delay_ms to interaction_to_next_paint_ms
+-- Google replaced FID with INP (Interaction to Next Paint) as a Core Web Vital in March 2024
+-- The PageSpeed API now returns INP data, so the column name should reflect the actual metric
+
+ALTER TABLE company_website_analysis RENAME COLUMN first_input_delay_ms TO interaction_to_next_paint_ms;
+
+-- Grant permissions
+GRANT ALL ON TABLE company_website_analysis TO nordabiz_app;

scripts/generate_audit_report.py

@@ -243,7 +243,7 @@ class AuditReportGenerator:
             'content_freshness_score': analysis.content_freshness_score,
             'core_web_vitals': {
                 'lcp_ms': analysis.largest_contentful_paint_ms,
-                'fid_ms': analysis.first_input_delay_ms,
+                'inp_ms': analysis.interaction_to_next_paint_ms,
                 'cls': float(analysis.cumulative_layout_shift) if analysis.cumulative_layout_shift else None,
             },
             'seo_issues': analysis.seo_issues,

scripts/pagespeed_client.py

@@ -87,7 +87,7 @@ class PageSpeedScore:
 class CoreWebVitals:
     """Core Web Vitals metrics from PageSpeed."""
     lcp_ms: Optional[int] = None  # Largest Contentful Paint
-    fid_ms: Optional[int] = None  # First Input Delay
+    inp_ms: Optional[int] = None  # Interaction to Next Paint (replaced FID March 2024)
     cls: Optional[float] = None   # Cumulative Layout Shift
     fcp_ms: Optional[int] = None  # First Contentful Paint
     ttfb_ms: Optional[int] = None  # Time to First Byte
@@ -517,7 +517,7 @@ class GooglePageSpeedClient:
         audits = lighthouse.get('audits', {})
         core_web_vitals = CoreWebVitals(
             lcp_ms=self._extract_metric_ms(audits.get('largest-contentful-paint')),
-            fid_ms=self._extract_metric_ms(audits.get('max-potential-fid')),
+            inp_ms=self._extract_metric_ms(audits.get('interaction-to-next-paint') or audits.get('max-potential-fid')),
             cls=self._extract_cls(audits.get('cumulative-layout-shift')),
             fcp_ms=self._extract_metric_ms(audits.get('first-contentful-paint')),
             ttfb_ms=self._extract_metric_ms(audits.get('server-response-time')),

scripts/seo_audit.py

@@ -926,7 +926,7 @@ class SEOAuditor:
                         viewport_configured, is_mobile_friendly,
 
                         -- Core Web Vitals
-                        largest_contentful_paint_ms, first_input_delay_ms, cumulative_layout_shift,
+                        largest_contentful_paint_ms, interaction_to_next_paint_ms, cumulative_layout_shift,
 
                         -- Open Graph
                         has_og_tags, og_title, og_description, og_image,
@@ -969,7 +969,7 @@ class SEOAuditor:
                         :has_sitemap, :has_robots_txt,
                         :viewport_configured, :is_mobile_friendly,
 
-                        :largest_contentful_paint_ms, :first_input_delay_ms, :cumulative_layout_shift,
+                        :largest_contentful_paint_ms, :interaction_to_next_paint_ms, :cumulative_layout_shift,
 
                         :has_og_tags, :og_title, :og_description, :og_image,
                         :has_twitter_cards,
@@ -1028,7 +1028,7 @@ class SEOAuditor:
                         is_mobile_friendly = EXCLUDED.is_mobile_friendly,
 
                         largest_contentful_paint_ms = EXCLUDED.largest_contentful_paint_ms,
-                        first_input_delay_ms = EXCLUDED.first_input_delay_ms,
+                        interaction_to_next_paint_ms = EXCLUDED.interaction_to_next_paint_ms,
                         cumulative_layout_shift = EXCLUDED.cumulative_layout_shift,
 
                         has_og_tags = EXCLUDED.has_og_tags,
@@ -1122,7 +1122,7 @@ class SEOAuditor:
 
                     # Core Web Vitals
                     'largest_contentful_paint_ms': cwv.get('lcp_ms'),
-                    'first_input_delay_ms': cwv.get('fid_ms'),
+                    'interaction_to_next_paint_ms': cwv.get('inp_ms'),
                     'cumulative_layout_shift': cwv.get('cls'),
 
                     # Open Graph

scripts/seo_report_generator.py

@@ -104,7 +104,7 @@ class SEOReportGenerator:
                     wa.has_canonical, wa.canonical_url, wa.is_indexable, wa.noindex_reason,
                     wa.has_sitemap, wa.has_robots_txt,
                     wa.viewport_configured, wa.is_mobile_friendly,
-                    wa.largest_contentful_paint_ms, wa.first_input_delay_ms, wa.cumulative_layout_shift,
+                    wa.largest_contentful_paint_ms, wa.interaction_to_next_paint_ms, wa.cumulative_layout_shift,
                     wa.has_og_tags, wa.og_title, wa.og_description, wa.og_image,
                     wa.has_twitter_cards, wa.html_lang, wa.has_hreflang,
                     wa.word_count_homepage,
@@ -629,10 +629,10 @@ class SEOReportGenerator:
     def _core_web_vitals_section(self, company: Dict[str, Any]) -> str:
         """Generate Core Web Vitals section HTML."""
         lcp = company.get('largest_contentful_paint_ms')
-        fid = company.get('first_input_delay_ms')
+        inp = company.get('interaction_to_next_paint_ms')
         cls = company.get('cumulative_layout_shift')
 
-        if lcp is None and fid is None and cls is None:
+        if lcp is None and inp is None and cls is None:
             return ''
 
         def lcp_status(val):
@@ -644,12 +644,12 @@ class SEOReportGenerator:
                 return (f'{val}ms', 'badge-warning')
             return (f'{val}ms', 'badge-danger')
 
-        def fid_status(val):
+        def inp_status(val):
             if val is None:
                 return ('—', 'badge-secondary')
-            if val <= 100:
+            if val <= 200:
                 return (f'{val}ms', 'badge-success')
-            if val <= 300:
+            if val <= 500:
                 return (f'{val}ms', 'badge-warning')
             return (f'{val}ms', 'badge-danger')
 
@@ -663,7 +663,7 @@ class SEOReportGenerator:
             return (f'{val:.3f}', 'badge-danger')
 
         lcp_val, lcp_class = lcp_status(lcp)
-        fid_val, fid_class = fid_status(fid)
+        inp_val, inp_class = inp_status(inp)
         cls_val, cls_class = cls_status(cls)
 
         return f'''
@@ -682,14 +682,14 @@ class SEOReportGenerator:
                         </div>
                     </div>
                     <div class="info-card">
-                        <h3>FID (First Input Delay)</h3>
+                        <h3>INP (Interaction to Next Paint)</h3>
                         <div class="item">
                             <span class="label">Wynik</span>
-                            <span class="value"><span class="badge {fid_class}">{fid_val}</span></span>
+                            <span class="value"><span class="badge {inp_class}">{inp_val}</span></span>
                         </div>
                         <div class="item">
                             <span class="label">Cel</span>
-                            <span class="value">&lt; 100ms</span>
+                            <span class="value">&lt; 200ms</span>
                         </div>
                     </div>
                     <div class="info-card">
@@ -1078,7 +1078,7 @@ class SEOReportGenerator:
                 }
                 company_data['seo_audit']['core_web_vitals'] = {
                     'lcp_ms': company.get('largest_contentful_paint_ms'),
-                    'fid_ms': company.get('first_input_delay_ms'),
+                    'inp_ms': company.get('interaction_to_next_paint_ms'),
                     'cls': float(company.get('cumulative_layout_shift')) if company.get('cumulative_layout_shift') else None,
                 }
                 company_data['seo_audit']['social'] = {