From 6eb580a6d0bb8bbdbf29fe854b2fde24341e67cf Mon Sep 17 00:00:00 2001
From: Karim shoair <D4Vinci@users.noreply.github.com>
Date: Sun, 31 Aug 2025 02:56:34 +0300
Subject: [PATCH] feat(DynamicSession): Improve normal fetches speed

---
 scrapling/engines/__init__.py                |  2 +-
 scrapling/engines/_browsers/_config_tools.py | 17 ++++++++++-----
 scrapling/engines/constants.py               | 23 +++++++++++++-------
 3 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/scrapling/engines/__init__.py b/scrapling/engines/__init__.py
index 7d29a16..477bb21 100644
--- a/scrapling/engines/__init__.py
+++ b/scrapling/engines/__init__.py
@@ -1,4 +1,4 @@
-from .constants import DEFAULT_DISABLED_RESOURCES, DEFAULT_STEALTH_FLAGS
+from .constants import DEFAULT_DISABLED_RESOURCES, DEFAULT_STEALTH_FLAGS, DEFAULT_FLAGS
 from .static import FetcherSession, FetcherClient, AsyncFetcherClient
 from ._browsers import (
     DynamicSession,
diff --git a/scrapling/engines/_browsers/_config_tools.py b/scrapling/engines/_browsers/_config_tools.py
index 46d2ad6..7f60efc 100644
--- a/scrapling/engines/_browsers/_config_tools.py
+++ b/scrapling/engines/_browsers/_config_tools.py
@@ -1,7 +1,11 @@
 from functools import lru_cache
 
 from scrapling.core._types import Tuple
-from scrapling.engines.constants import DEFAULT_STEALTH_FLAGS, HARMFUL_DEFAULT_ARGS
+from scrapling.engines.constants import (
+    DEFAULT_STEALTH_FLAGS,
+    HARMFUL_DEFAULT_ARGS,
+    DEFAULT_FLAGS,
+)
 from scrapling.engines.toolbelt import js_bypass_path, generate_headers
 
 __default_useragent__ = generate_headers(browser_mode=True).get("User-Agent")
@@ -69,20 +73,21 @@ def _launch_kwargs(
 ) -> Tuple:
     """Creates the arguments we will use while launching playwright's browser"""
     launch_kwargs = {
+        "locale": locale,
         "headless": headless,
+        "args": DEFAULT_FLAGS,
+        "color_scheme": "dark",  # Bypasses the 'prefersLightColor' check in creepjs
+        "proxy": proxy or tuple(),
+        "device_scale_factor": 2,
         "ignore_default_args": HARMFUL_DEFAULT_ARGS,
         "channel": "chrome" if real_chrome else "chromium",
-        "proxy": proxy or tuple(),
-        "locale": locale,
-        "color_scheme": "dark",  # Bypasses the 'prefersLightColor' check in creepjs
-        "device_scale_factor": 2,
         "extra_http_headers": extra_headers or tuple(),
         "user_agent": useragent or __default_useragent__,
     }
     if stealth:
         launch_kwargs.update(
             {
-                "args": _set_flags(hide_canvas, disable_webgl),
+                "args": DEFAULT_FLAGS + _set_flags(hide_canvas, disable_webgl),
                 "chromium_sandbox": True,
                 "is_mobile": False,
                 "has_touch": False,
diff --git a/scrapling/engines/constants.py b/scrapling/engines/constants.py
index 2a84a2d..c7bdb1b 100644
--- a/scrapling/engines/constants.py
+++ b/scrapling/engines/constants.py
@@ -21,22 +21,32 @@ HARMFUL_DEFAULT_ARGS = (
     # '--disable-extensions',
 )
 
+DEFAULT_FLAGS = (
+    # Speed up chromium browsers by default
+    "--no-pings",
+    "--no-first-run",
+    "--disable-infobars",
+    "--disable-breakpad",
+    "--no-service-autorun",
+    "--homepage=about:blank",
+    "--password-store=basic",
+    "--no-default-browser-check",
+    "--disable-session-crashed-bubble",
+    "--disable-search-engine-choice-screen",
+)
+
 DEFAULT_STEALTH_FLAGS = (
     # Explanation: https://peter.sh/experiments/chromium-command-line-switches/
     # Generally this will make the browser faster and less detectable
-    "--no-pings",
     "--incognito",
     "--test-type",
     "--lang=en-US",
     "--mute-audio",
-    "--no-first-run",
     "--disable-sync",
     "--hide-scrollbars",
     "--disable-logging",
     "--start-maximized",  # For headless check bypass
     "--enable-async-dns",
-    "--disable-breakpad",
-    "--disable-infobars",
     "--accept-lang=en-US",
     "--use-mock-keychain",
     "--disable-translate",
@@ -48,7 +58,6 @@ DEFAULT_STEALTH_FLAGS = (
     "--enable-tcp-fast-open",
     "--enable-web-bluetooth",
     "--disable-hang-monitor",
-    "--password-store=basic",
     "--disable-cloud-import",
     "--disable-default-apps",
     "--disable-print-preview",
@@ -62,17 +71,15 @@ DEFAULT_STEALTH_FLAGS = (
     "--disable-prompt-on-repost",
     "--force-color-profile=srgb",
     "--font-render-hinting=none",
-    "--no-default-browser-check",
     "--aggressive-cache-discard",
     "--disable-component-update",
     "--disable-cookie-encryption",
     "--disable-domain-reliability",
     "--disable-threaded-animation",
     "--disable-threaded-scrolling",
-    # '--disable-reading-from-canvas',  # For Firefox
+    # '--disable-reading-from-canvas', # For Firefox
     "--enable-simple-cache-backend",
     "--disable-background-networking",
-    "--disable-session-crashed-bubble",
     "--enable-surface-synchronization",
     "--disable-image-animation-resync",
     "--disable-renderer-backgrounding",