Update README

deploy_scripts/submit_all_engines.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Submit sitemap to ALL major search engines — beyond just Google/Bing/Yandex.
+Covers: DuckDuckGo, Brave Search, Baidu, Naver (Korea), Seznam (Czech), Ecosia.
+Ping sitemap + IndexNow for broadest indexing coverage.
+"""
+import urllib.request, urllib.parse, sys, io, time, json, os
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+
+SITE = 'https://blog.quant-view.xyz'
+SITEMAP = f'{SITE}/sitemap.xml'
+HEADERS = {'User-Agent': 'GFIL-Blog-SEO/2.0'}
+
+ENGINES = {
+    # Major (already covered in indexnow_submit.py, re-ping for safety)
+    'Google':      f'https://www.google.com/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    'Bing':        f'https://www.bing.com/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    'Yandex':      f'https://webmaster.yandex.ru/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    # DuckDuckGo (uses Bing index, but has own crawler DuckDuckBot)
+    'DuckDuckGo':  f'https://duckduckgo.com/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    # Brave Search (own index, Goggles feature)
+    'Brave':       f'https://brave.com/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    # Baidu (China, #1 search engine)
+    'Baidu':       f'https://ping.baidu.com/sitemap?url={urllib.parse.quote(SITEMAP)}',
+    # Naver (Korea, #1 search engine)
+    'Naver':       f'https://searchadvisor.naver.com/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    # Seznam (Czech Republic, own index)
+    'Seznam':      f'https://search.seznam.cz/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+    # Ecosia (uses Bing + own crawler)
+    'Ecosia':      f'https://ecosia.org/ping?sitemap={urllib.parse.quote(SITEMAP)}',
+}
+
+def ping_engine(name, url):
+    try:
+        req = urllib.request.Request(url, headers=HEADERS)
+        r = urllib.request.urlopen(req, timeout=20)
+        print(f'  ✅ {name}: HTTP {r.status}')
+        return True
+    except urllib.error.HTTPError as e:
+        print(f'  ⚠️ {name}: HTTP {e.code} ({e.reason})')
+        return False
+    except Exception as e:
+        print(f'  ❌ {name}: {e}')
+        return False
+
+# Also submit key URLs via IndexNow (Bing+Yandex+Seznam share this)
+def indexnow_full():
+    """Submit ALL 225+ URLs via IndexNow API"""
+    # Collect all URLs from sitemap
+    pages = []
+    try:
+        req = urllib.request.Request(SITEMAP, headers=HEADERS)
+        with urllib.request.urlopen(req, timeout=30) as r:
+            import re
+            sitemap_xml = r.read().decode()
+            pages = re.findall(r'<loc>(https://[^<]+)</loc>', sitemap_xml)
+    except Exception as e:
+        print(f'  ❌ Cannot fetch sitemap: {e}')
+        return False
+
+    if not pages:
+        print('  ❌ No URLs found in sitemap')
+        return False
+
+    key = 'f8a7c3e2b1d0495a8f6c7e3d2b1a0495f'
+    payload = json.dumps({'host': 'blog.quant-view.xyz', 'key': key, 'urlList': pages})
+
+    for ep_name, ep_url in [
+        ('IndexNow.org', 'https://api.indexnow.org/indexnow'),
+        ('Bing', 'https://www.bing.com/indexnow'),
+        ('Yandex', 'https://yandex.com/indexnow'),
+        ('Seznam', 'https://search.seznam.cz/indexnow'),
+    ]:
+        try:
+            req = urllib.request.Request(ep_url, data=payload.encode(),
+                headers={'Content-Type': 'application/json; charset=utf-8', 'User-Agent': 'GFIL-Blog'})
+            with urllib.request.urlopen(req, timeout=20) as r:
+                print(f'  ✅ IndexNow {ep_name}: HTTP {r.status} ({len(pages)} URLs)')
+        except Exception as e:
+            print(f'  ❌ IndexNow {ep_name}: {e}')
+
+print('=== Multi-Search-Engine Sitemap Submission ===')
+print(f'Site: {SITE}')
+print(f'Sitemap: {SITEMAP}\n')
+
+ok = 0
+for name, url in ENGINES.items():
+    if ping_engine(name, url):
+        ok += 1
+    time.sleep(0.5)
+
+print(f'\n{ok}/{len(ENGINES)} engines pinged successfully')
+
+print('\n--- IndexNow Full Batch ---')
+indexnow_full()
+
+print('\n=== Done ===')