20XX

REPORTING

Official Features and

User Guide for
Google Chrome
Browser
Reporter:google 2025-06-26

https://wenku.baidu.com
20XX

• Core functional characteristics

• Download and Installation Guide

Cont. • User Interface Analysis

• Security and Privacy Protection
CATALOGUE
• Advanced usage skills
• Maintenance and troubleshooting
 20XX
REPORTING

PART 01

Core functional
characteristics 谷歌浏览器
Multi process architecture design

1 Independent process isolation

Each tab, plugin, and extension runs in an independent process, avoiding a
single page crash that could cause the entire browser to crash, significantly
improving stability and fault tolerance.

2 Resource allocation optimization

Fine tuned allocation of memory and CPU resources is achieved through
process isolation, and the backend tabs automatically reduce resource usage
to ensure smooth frontend operations.

3 Security sandbox mechanism

Each process runs in a restricted sandbox environment, preventing malicious
web pages from accessing system files or other tab data, effectively
preventing cross site scripting attacks.
Extension plugin ecosystem support
Standardized development framework
Provides Chrome Extension API and Manifest V3 specifications, allowing
developers to quickly build functional plugins based on
HTML/CSS/JavaScript.

Security review system

All extensions must undergo automated scanning and manual review by
Chrome Web Store to ensure no malicious code or privacy leakage risks.

Fine grained permission control

Clearly declare the required permissions (such as camera/geolocation)
during installation, and users can access them at any time
chrome://extensions Page modification permission settings.
Cross device synchronization service
End to end encrypted synchronization
AES-256 encryption is used to transmit bookmarks, history, passwords, and other
data, supporting real-time synchronization across all platforms including
Windows/macOS/Linux/Android/iOS.

Selective synchronization options

Users can customize the type of content to be synchronized (such as
synchronizing only extension settings or opening tabs), and achieve personalized
configuration of cloud storage through their Google account.

Continuation of inter device conversations

The "Send to Device" function allows for real-time push of web pages browsed on
the computer to continue reading on the phone/tablet, supporting offline
availability mode.
 20XX
REPORTING

PART 02

Download and
Installation Guide
Detailed explanation of the official website
download process
To access the official website
01 First, open the [official website] on Google Chrome （
https://www.google.com/chrome/ ） Ensure the security and reliability of the download source,
and avoid any malicious software or bundled programs that may be carried by third-party
websites.

Choose the correct version

02 Select the corresponding installation package based on the operating system (Windows,
macOS, Linux, etc.) and system architecture (32-bit or 64 bit) to ensure compatibility and
performance optimization.

Automatic detection function

03 The official website will detect the user's system environment by default and recommend the
most suitable version. Users can also manually switch options to download specific versions
(such as Beta or Dev channels).
Multi platform installation steps

Windows system installation:

01

1. Double click the downloaded `. exe ` file to start the installation wizard, which will silently install
02
to the ` C: Program Files Google Chrome ` directory by default.
Multi platform installation steps

2- After installation, automatically create a desktop

shortcut and prompt to set it as the default browser
(optional).
Multi platform installation steps

MacOS system installation:

1. Open the downloaded '. dmg' image file and drag the
Chrome icon to the 'Applications' folder to complete the
installation.

2. When running for the first time, it is necessary to pass

system security verification and allow applications from
unknown developers in the "System Preferences".
Multi platform installation steps

Linux system installation:

1. Install the '. deb' package for Debian/Ubuntu using

terminal commands such as' sudo apt install./google-
chrome-stable_current_amd64. deb '.

2. Alternatively, after adding an official repository, use a

package manager (such as yum or dnf) to install it
directly for automatic updates in the future.
Common installation troubleshooting

• Download interruption or failure: Check the stability of the network connection, try turning off the
firewall or VPN, and then download again; You can also bypass network issues through official offline
installation packages (such as Windows standalone installation programs).
• Insufficient installation permissions: Run the installation program as an administrator on the Windows
system; Ensure that users have 'sudo' permission or write permission to the target directory in
macOS/Linux.
• Compatibility conflict: Uninstall legacy files (such as registry keys or configuration files) from old
versions of Chrome or other browsers, and use tools such as' Revo Uninstaller 'to thoroughly clean
them before installing.
• Startup crash or error: Check if the system meets the minimum requirements (such as Windows
10+or macOS 10.13+), update graphics card drivers, or disable conflicting extensions/security
software.
 20XX
REPORTING

PART 03

User Interface
Analysis
Main interface layout description
Omnibox integrates multiple functions
01 Chrome's address bar not only supports URL input, but also has built-in search engine,
bookmark access, and history query functions. Users can directly enter keywords for search, or
quickly access commonly used websites through drop-down menus, greatly improving
navigation efficiency.

Concise toolbar design

02 The top toolbar only retains the back/forward, refresh, home buttons, and extension icons to
reduce visual interference. Users can customize the toolbar by right clicking and add commonly
used functions such as the "bookmark bar" or "screenshot tool" to achieve efficient operation.

Multi tasking split screen view

03 supports dragging windows to the edge of the screen to automatically split the screen, or
selecting "Split to New Window" by right clicking on the tab, making it easy to browse multiple
pages simultaneously, especially suitable for multitasking scenarios.
Tag page management skills
Tag group classification and color
labeling
Users can right-click on the tag page and select "Add to New Group", customize the group
name and color (such as red for urgent work and green for articles to be read), quickly locate
the target page through visual classification, and avoid confusion caused by too many tags.

Dorm inactive tabs

When "memory saving mode" is enabled, unused tabs in the background will automatically
sleep to release memory while preserving page state. Users can click to wake up at any time,
balancing performance and multitasking requirements.

Batch Save and Restore Sessions

Use the shortcut keys' Ctrl+Shift+D '(Windows) or' Command+Shift+D '(macOS) to save all
tabs as a bookmark folder with just one click; If the window is accidentally closed, the complete
session can be restored in the history.
Customize themes and settings

• Dynamic theme and dark mode adaptation: Chrome Web Store offers thousands of themes, and users
can download dynamic themes (such as sky scenery that changes over time). The dark mode not
only covers the interface, but also forcibly adapts to the webpage background, reducing night glare
and protecting vision.
• Synchronize and personalize cloud backup: After logging into your Google account, bookmarks,
passwords, extensions, and settings are automatically synchronized to all devices. In advanced
settings, font rendering, hardware acceleration levels, and even customization can be
adjustedchrome://flagsExperimental functionality to optimize performance.
• Shortcut and gesture customization: supports modifying default shortcut keys (such as binding a new
tab to 'F1'), or installing extensions to achieve mouse gesture control (like closing the current page in
an 'L' shape). Touchpad users can enable advanced gestures such as three finger swiping to switch
tabs.
 20XX
REPORTING

PART 04

Security and
Privacy Protection
Sandbox technology protection mechanism

• Process isolation protection: Chrome's sandbox technology ensures that malicious code cannot break
through process boundaries by running each tab, plugin, and extension in a separate process. Even if
a page is attacked, it will not affect the security of the entire browser or other tabs.
• System permission restrictions: Sandbox environments strictly limit processes' access to system
resources, including file systems, registry, and network interfaces. Any attempt to exceed authority
will be intercepted by system level security policies, effectively preventing malicious software from
exploiting browser vulnerabilities to invade the operating system.
• Renderer sandboxing: The web rendering process runs in a low permission sandbox, and dynamic
content such as JavaScript and WebGL cannot directly call local APIs. It must communicate with the
main process through a strictly validated IPC channel, greatly reducing the success rate of exploiting
zero day vulnerabilities.
Privacy mode and data clearing

• Incognito browsing technology: In privacy mode, Chrome does not record browsing history, cookies,
and form data to local storage. All session data is only saved in memory and automatically cleared
when the window is closed, but downloaded files and bookmarks are retained for future use by the
user.
• Intelligent data cleaning tool: Users can choose to delete cache, password, site settings, etc. within a
specific time range through the "Clear Browsing Data" function. It supports advanced options such as
clearing only third-party cookies or retaining data from certain whitelisted websites, achieving refined
privacy management.
• Device synchronization protection: When users log in to their Google account, they can choose not to
synchronize sensitive data such as payment information or opened tabs, ensuring that privacy
content is not accidentally leaked when used across devices. All synchronized data is transmitted
using end-to-end encryption.
Security update push mechanism

• Silent background updates: Chrome uses differential update technology (Courgette) to automatically
check for security patches every day, with update package sizes typically less than 100KB. Version
switching is completed at the moment the user restarts the browser, ensuring that protective
measures are always up-to-date without user intervention.
• Emergency patch response: For severe vulnerabilities (such as zero day vulnerabilities), Google will
activate the Extended Stable Channel to globally push repair solutions within 24 hours, and use a
dual update verification mechanism to prevent man in the middle attacks from tampering with
update packages.
• Component level hot update: High risk components such as Flash Player, password manager, etc.
adopt an independent update mechanism (Component Installer), which can update security rules in
real time even if the main browser is not restarted. The update delay of critical security modules is
controlled within 15 minutes.
 20XX
REPORTING

PART 05

Advanced usage
skills
Built in developer tools and applications

• Element checking and debugging: Chrome Developer Tools (VNet) provides comprehensive webpage
element checking functionality, supports real-time editing of HTML/CSS, debugging of JavaScript, and
can quickly locate code errors through the "Console" panel.
• Performance analysis and optimization: Through the "Performance" and "Lighthouse" tools,
developers can detect page loading speed, memory usage, and rendering performance, generate
optimization suggestions to improve user experience.
• Network request monitoring: In the "Network" panel, you can view in detail the request/response
headers, loading time, and status codes of all resources to help diagnose API interface or static
resource loading issues.
• Mobile simulation testing: The developer tool has a built-in device simulator that supports adjusting
screen resolution, DPI, and network speed, making it easy to test the compatibility of web pages on
different mobile devices.
Shortcut keys and gesture operations

Efficient tab management

Use Ctrl+T (Windows)/Command+T (Mac) to quickly create new tabs, Ctrl+W to close the current page,
and Ctrl+Shift+T to restore mistakenly closed pages, greatly improving browsing efficiency.

Address bar quick search

After entering keywords, press the 'Tab' key to directly call the default search engine, or use 'Ctrl+K' to
focus on the address bar for quick search, supporting custom search engine aliases.

Gesture operation extension

After installing plugins such as "SmartUp Gestures", forward/backward, refresh and other operations can
be achieved through mouse gestures (such as right drag and left pull), reducing keyboard dependence.

Privacy browsing mode

The shortcut key 'Ctrl+Shift+N' can launch an incognito window with just one click, avoiding the saving
of history and cookies. It is suitable for multi account switching or sensitive operation scenarios.
Deep configuration of extension plugins

• Fine grained control of permissions: inchrome://extensions/On the page, individual site access
permissions can be set for each plugin (such as "specific website" or "run on click"), balancing
functionality and privacy security.
• Plugin script injection management: Customize plugin script injection timing and DOM matching rules
through developer mode "Content Scripts" configuration to avoid conflicts with other scripts.
• Local plugin development and debugging: When loading unpackaged extension programs, enable the
"hot reload" function to preview code modifications in real time, and debug backend task logic in
conjunction with the "Service Worker" panel.
• Resource utilization optimization: Monitor plugin memory/CPU usage in the Task Manager (Shift+Esc),
disable or replace high load plugins to improve overall browser performance.
 20XX
REPORTING

PART 06

Maintenance and
troubleshooting
Explanation of Automatic Update Mechanism

• Silent backend update: Chrome uses a backend service (GoogleUpdate) to automatically detect and
download update packages, eliminating the need for manual intervention by users. The update
process prioritizes the use of idle network bandwidth to ensure that it does not affect the normal
browsing experience.
• Four cycle release rhythm: Following a strict four week major version update strategy, security
patches are pushed in real-time through emergency update channels. The version number adopts a
three part format (such as 120.6099.199), with the last digit representing the security patch
sequence.
• Incremental update technology: using Courgette differential algorithm, only downloading the
difference between the old and new versions (usually less than 10% of the complete package
volume), significantly reducing bandwidth consumption and update time.
• Enterprise Policy Coverage: Supports customizing update frequency, disabling automatic updates, or
specifying internal update servers through Group Policy (Windows) or MDM (macOS) to meet
enterprise IT management needs.
Diagnosis of common crash problems

• Process isolation architecture analysis: Chrome adopts a multi process model, which can be achieved
throughchrome://crashesView crash report. Tab crashes are usually caused by the renderer process,
while browser main interface crashes are associated with the browser process.
• Memory diagnostic tool: usingchrome://memory-internalsMonitor memory leaks and identify
abnormal memory usage of extensions or web scripts. Suggest disabling suspicious extensions and
retesting through safe mode.
• GPU acceleration conflict: Hardware acceleration features may cause black screens/crashes, which
can be temporarily disabled through the startup parameter '-- disable gpu'.
Checkchrome://gpuConfirm driver compatibility on the page and update the graphics card driver to
the latest stable version.
• User Profile Repair: Corrupt configuration file (located at '% LocalAppSata% \ Google \ Chrome \ User
Data') may cause startup crashes. Create a new configuration directory for isolation testing using --
user data dir=new_ir.
User data backup strategy

• Synchronize ecosystem integration: After logging into a Google account, bookmarks, history,
passwords, and other data are automatically encrypted and synchronized to the cloud. Support
selecting synchronous data types and usingchrome://sync-internalsMonitor the synchronization
status.
• Local backup plan: Regularly export bookmarks (in HTML formatchrome://bookmarks→ "Export") and
password (CSV formatchrome://password-manager/settings→ "Export Password"). The extended list
can be accessed throughchrome://extensionsManually record the ID or package the CRX file on the
page.
• Enterprise level backup tool: Utilize the Endpoint Management feature of Google Workspace or third-
party tools such as BackChain to achieve scheduled backup of all user data. The default path for the
configuration file is Windows' \ AppData \ Local \ Google \ Chrome 'and macOS'~/ Library/Application
Support/Google/Chrome/ 。
• Disaster Recovery Protocol: When the main configuration file is damaged, the 'Default' folder
(including cookies, cache, etc.) can be restored from backup, or the '-- profile directory' parameter
can be used to load backup configurations. It is recommended to use cloud storage services (such as
Google Drive) to achieve remote disaster recovery.
 20XX
REPORTING

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