Author: David Lary (@davidlary) Contact: davidlary@me.com
Is your Orion browser slow to start, consuming excessive memory, or taking forever to load pages? This free, open-source optimization tool solves common Orion browser performance issues on macOS Big Sur 11.0 through macOS Sequoia 15.0+ by analyzing cache bloat, optimizing WebKit settings, monitoring resource usage, and cleaning up database corruption. Compatible with Orion Browser versions 0.99+ through latest (RC and stable releases). Whether you're experiencing slow startup times (15-30+ seconds), high memory consumption (1GB+), the dreaded spinning wheel of death, or cross-device sync slowdowns affecting both Mac and iOS, these tools can restore your browsing speed. Safely reduce startup time by 10-25%, decrease memory usage by up to 500MB, and optimize 10+ browser settings - all while preserving your bookmarks, passwords, and browsing data with automatic backups.
A comprehensive diagnostic and optimization script for macOS Orion browser that safely improves performance while preserving your bookmarks and passwords. Now includes cross-device optimization for iOS Orion sync issues!
🚨 THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY 🚨
USE ENTIRELY AT YOUR OWN RISK - The authors are not responsible for any damage, data loss, or issues that may result from using this software. While designed with extensive safety features, you are solely responsible for any consequences. Create a complete system backup before use.
- Enhanced cache analysis with specific startup delay and RAM usage predictions
- Comprehensive database integrity checks with WAL file monitoring and total size impact
- Advanced extension performance analysis - High/Medium/Low impact categorization with data size monitoring
- Detailed process monitoring - thread analysis, memory leak detection, and uptime tracking
- Multi-domain network diagnostics - DNS performance testing across 4 major domains with consistency analysis
- Performance scoring (0-100) with color-coded status and specific improvement recommendations
- Orion-specific focus - Prioritizes browser-specific issues over system problems
- Process monitoring - Real-time CPU/memory usage of Orion processes
- Extension deep analysis - Identifies performance-impacting extensions
- Database integrity checks - Detects corrupted or oversized databases
- Profile corruption detection - Finds lock files, crash logs, and corrupt preferences
- Safari comparison - Compares Orion vs Safari configuration differences
- WebKit engine analysis - Checks for Orion-specific WebKit performance issues
- Cache clearing (WebKit, GPU, Code Cache, etc.)
- Temporary file removal (blob storage, service workers)
- Database optimization (removes WAL/SHM files)
- Network state cleanup (persistent state, transport security)
- 10 safe, high-benefit WebKit optimizations - memory pressure handling, page cache, application cache
- Individual setting confirmations - you control every change with safety level indicators
- Safety level indicators - 🟢 High Safety, 🟡 Medium Safety for informed decisions
- Current vs recommended value comparisons with detailed explanations
- Comprehensive benefit analysis - specific performance gains for each optimization
- Automatic preference backup before any changes with easy rollback
- Preserves bookmarks and passwords (backs up critical files)
- Creates timestamped backup on your Desktop
- Verifies data integrity after cleanup
- Only cleans safe-to-delete cache directories
- iOS Orion cleanup guidance - Step-by-step mobile optimization
- Sync impact analysis - Identifies what Mac cleanup affects iOS
- Cross-device bloat prevention - Stops history sync causing slowdowns
- Emergency spinning wheel fix - Handles severe profile corruption
The tool now provides detailed performance impact predictions based on total cache size:
| Total Cache Size | Status | Startup Delay | RAM Usage | Performance Impact | Recommendation |
|---|---|---|---|---|---|
| <100MB | 🌟 Excellent | <1 second | <50MB | Minimal | No cleanup needed |
| 100-200MB | ✅ Healthy | +1-3 seconds | +50-100MB | Minor | Optional cleanup |
| 200-500MB | 📈 Moderate | +3-8 seconds | +100-200MB | Noticeable | Cleanup recommended |
| 500MB-1GB | +8-15 seconds | +200-500MB | Significant | Cleanup strongly recommended | |
| >1GB | 🚨 Critical | +15-30 seconds | +500MB+ | Severe | Immediate cleanup required |
| Cache Type | Purpose | Normal Size | High Impact Size | Performance Impact |
|---|---|---|---|---|
| Cache | HTTP resources (images, CSS, JS) | <50MB | >500MB | Startup speed, browsing |
| WebKitCache | Rendered page elements | <30MB | >400MB | Page rendering speed |
| GPUCache | GPU acceleration data | <20MB | >300MB | Graphics performance |
| Code Cache | JavaScript bytecode | <15MB | >200MB | JavaScript execution |
| IndexedDB | Web app databases | <10MB | >150MB | Web app performance |
| Local Storage | Website preferences | <5MB | >100MB | Website loading |
| blob_storage | File downloads/uploads | <20MB | >250MB | File operations |
| Service Worker | Offline functionality | <5MB | >100MB | PWA performance |
The tool can automatically apply these optimizations with safety level indicators:
-
🌐 Disable DNS Prefetching 🟢
- Reduces background network requests
- Benefit: Faster page loads, reduced network overhead
-
🎮 Enable Hardware Acceleration 🟢
- Uses GPU for smoother scrolling and animations
- Benefit: Better graphics performance, smoother UI
-
📜 Disable Smooth Scrolling 🟢
- Reduces CPU usage during scrolling
- Benefit: More responsive scrolling on slower systems
-
📚 Reduce History Limit 🟢
- Limits history to 1000 items instead of unlimited
- Benefit: Faster history searches, reduced memory usage
-
🖼️ Disable Page Previews 🟢
- Disables thumbnail generation for faster browsing
- Benefit: Reduced memory and CPU usage
-
⚡ Enable JavaScript JIT 🟢
- Optimizes JavaScript execution
- Benefit: Faster JavaScript execution, better web app performance
-
🧠 Enable Memory Pressure Handling 🟢
- Automatically manages memory when system resources are low
- Benefit: Better stability under memory pressure, prevents crashes
-
📄 Enable Page Cache 🟢
- Caches previously visited pages for faster back/forward navigation
- Benefit: Instant back/forward navigation, better user experience
-
📱 Enable Application Cache 🟢
- Allows web applications to cache resources for offline use
- Benefit: Faster web app loading, better offline functionality
-
🔄 Optimize Resource Loading 🟡
- Disable resource load statistics tracking for better performance
- Benefit: Faster page loading, reduced background processing
Safety Levels:
- 🟢 High Safety: No risk of breaking websites or functionality
- 🟡 Medium Safety: Minimal risk, easily reversible if issues occur
- macOS: Big Sur 11.0 or later (tested through macOS Sequoia 15.0+)
- Orion Browser: Version 0.99+ (RC or stable releases)
- ✅ Tested versions: 0.99.x, 1.0+, RC builds, latest stable
- ✅ Both Intel and Apple Silicon Macs supported
- Python: 3.6+ (pre-installed on macOS Big Sur+)
- iOS: iOS 15+ with Orion Browser (for cross-device optimization)
- macOS Monterey 12.0+: Fully supported and extensively tested
- macOS Ventura 13.0+: Full compatibility with enhanced features
- macOS Sonoma 14.0+: Complete support including latest WebKit optimizations
- macOS Sequoia 15.0+: Latest features supported
- Orion RC versions: Beta/RC builds supported but may have different settings paths
-
Clone the repository:
git clone https://github.com/davidlary/SpeedUpOrion.git cd SpeedUpOrion -
Install required dependencies:
pip3 install -r requirements.txt
Or install manually:
pip3 install psutil
Note:
psutilis required for process monitoring and system resource analysis.
python3 speed_up_orion.py- Interactive performance analysis and cleanup
- Settings optimization with confirmations
- Advanced diagnostics for stubborn issues
python3 fix_orion_spinning_wheel.py- Use when Orion won't start (spinning wheel of death)
- Force-cleans massive profile corruption
- Includes iOS optimization guidance
- Preserves bookmarks while fixing performance
-
For normal slowness: Use
speed_up_orion.py- Follow interactive prompts
- Review detailed performance analysis 📊
- Choose whether to clean caches 🧹
- Approve individual setting optimizations ⚙️
-
For spinning wheel/won't start: Use
fix_orion_spinning_wheel.py- Automatically force-closes stuck processes
- Cleans massive profile data (preserves bookmarks)
- Provides iOS cleanup instructions
- Tests startup speed improvement
🚀 ORION BROWSER SPEED OPTIMIZATION TOOL
======================================================================
🔍 DIAGNOSING ORION PERFORMANCE ISSUES
----------------------------------------------------------------------
📊 DETAILED CACHE ANALYSIS:
----------------------------------------------------------------------
📁 Cache
Size: 847.3 MB
Impact: 🚨 High impact - Significantly slows startup and browsing
Purpose: Main HTTP cache for web resources (images, CSS, JS)
📁 WebKitCache
Size: 234.7 MB
Impact: ⚠️ Moderate impact - Page rendering may lag
Purpose: WebKit engine cache for rendered page elements
======================================================================
📈 TOTAL CACHE SIZE: 1,247.8 MB
Status: 🚨 Critical - Cache size significantly impacting performance
======================================================================
📊 ORION PERFORMANCE SCORE: 45/100
Status: 🟠 Fair - Several optimizations needed
When Orion has spinning wheel of death and won't start:
🚨 ORION SPINNING WHEEL OF DEATH EMERGENCY FIX
============================================================
💀 Force killing ALL Orion processes...
Killing PID 59097 (Orion)
✅ Killed 1 Orion processes
🧹 CLEANING ORION PROFILE DATA
💾 Creating emergency backup at: /Users/.../Orion_Emergency_Backup_...
✅ Backed up: favourites.plist
✅ Backed up: website_settings.plist
✅ Backed up: reading_list.plist
🗄️ CLEANING HISTORY DATABASE:
🗑️ Deleted history: 24.6 MB
🗑️ Deleted history-wal: 1.9 MB
📁 CLEANING VERSION BACKUPS:
🗑️ Deleted bk_134: 3.7 MB
🗑️ Deleted bk_133: 3.7 MB
[... 19 more backup directories cleaned ...]
✅ CLEANUP COMPLETE!
📊 Total space freed: 159.7 MB
🚀 TESTING ORION STARTUP...
✅ Orion started successfully in 5.0 seconds!
🎉 No more spinning wheel of death!
📱 iOS ORION CLEANUP INSTRUCTIONS
🔧 IMMEDIATE iOS FIXES:
1. Force close Orion on iOS
2. Wait 15-30 minutes for sync cleanup to propagate
3. Clear iOS history if still slow
4. Consider disabling history sync to prevent future bloat
When other browsers work fine but Orion is slow (Orion-specific focus):
🕵️ ADVANCED DIAGNOSIS - Checking deeper performance factors...
----------------------------------------------------------------------
ℹ️ This may take 10-15 seconds for thorough analysis...
🎯 Focusing on Orion-specific issues (other browsers work fine)...
🔍 Checking Orion processes...
Found 3 Orion processes
Total memory usage: 2,847.3 MB
Highest CPU usage: 67.2%
Longest uptime: 26.3 hours
🧩 Analyzing extension performance impact...
Found 12 extensions installed
Extension 'Grammarly' - Grammarly extension can cause typing lag
Extension 'AdBlock Pro' - Ad blockers can slow page loading significantly
🔧 Checking Orion-specific performance settings...
Setting 'WebKitDeveloperExtrasEnabled': Developer tools always enabled - may slow browsing
🗄️ Checking database integrity...
History.db: 623.4 MB
Database 'History.db' is very large (623.4 MB)
🔧 Checking Orion profile corruption...
Profile lock file found (SingletonLock) - may indicate corruption
Multiple Orion crashes in past week (5 crash logs)
🏷️ Comparing Orion with Safari configuration...
Extensions: Orion=12, Safari=3
History: Orion=623.4MB, Safari=45.2MB
Orion has significantly more extensions than Safari (12 vs 3)
Orion history is much larger than Safari (623.4MB vs 45.2MB)
⏱️ Advanced diagnosis completed in 12.3 seconds
⚠️ ADDITIONAL ISSUES FOUND:
1. 🔍 High memory usage by Orion processes (2,847.3 MB)
2. 🔍 Orion has been running for 26.3 hours - restart recommended
3. 🔍 Extension 'Grammarly' - Grammarly extension can cause typing lag
4. 🔍 Setting 'WebKitDeveloperExtrasEnabled': Developer tools always enabled
5. 🔍 Database 'History.db' is very large (623.4 MB)
6. 🔍 Profile lock file found (SingletonLock) - may indicate corruption
7. 🔍 Orion has significantly more extensions than Safari (12 vs 3)
- ✅ Bookmarks - Fully preserved and backed up
- ✅ Passwords - Login data remains untouched
- ✅ Extensions - All extensions and their settings kept
- ✅ Preferences - User settings backed up before changes
- ✅ LocalStorage - Website preferences maintained
- 🗑️ HTTP Cache - Temporary web resource cache
- 🗑️ GPU Cache - Graphics acceleration cache
- 🗑️ Code Cache - JavaScript compilation cache
- 🗑️ Blob Storage - Temporary file storage
- 🗑️ Service Worker Cache - Offline functionality cache
- 🗑️ Database WAL/SHM files - Temporary database files
- Location:
~/Desktop/Orion_Backup_YYYYMMDD_HHMMSS/ - Contents: All critical files before cleanup
- Auto-restore: Failed cleanups automatically restore from backup
"No module named 'psutil'" or import errors
- Install required dependencies:
pip3 install -r requirements.txt - Or install manually:
pip3 install psutil - Ensure you're using Python 3.6+ with pip3
"Orion data directory not found"
- Ensure Orion browser is installed
- Check if you've launched Orion at least once
"Permission denied" errors
- Close Orion completely before running
- Run from Terminal, not through other applications
"Failed to close Orion"
- Manually quit Orion from Dock or Activity Monitor
- Rerun the script
"Unsupported macOS version" or compatibility issues
- macOS Big Sur 11.0+ required - Earlier versions not supported
- Update macOS if running Catalina 10.15 or older
- Check Orion Browser version: 0.99+ required
"Orion settings not found" with newer Orion versions
- Orion RC/beta versions may use different settings paths
- Tool auto-detects most path variations
- Report version-specific issues via GitHub Issues
"Still slow after 100/100 performance score"
- The script now automatically runs advanced diagnostics
- Checks for: problematic extensions, database corruption, system thermal throttling, network issues
- Look for specific recommendations in the advanced analysis
"High CPU usage detected"
- Restart Orion if it's been running >24 hours
- Check for runaway tabs or extensions
- Consider closing unused browser windows
"Extension performance issues found"
- Temporarily disable suspected extensions one by one
- Ad blockers, password managers, and shopping extensions commonly cause slowdowns
- Check extension data sizes in the analysis
"Database integrity issues"
- Backup your data first (script does this automatically)
- Consider clearing browsing history if databases are corrupted
- Restart Orion after cleanup
If you need to undo optimizations:
- Settings: Copy
preferences_backup.plistback topreferences.plist - Files: Restore from the Desktop backup folder
- Complete Reset: Delete Orion data folder and restart (loses all data)
For optimal performance:
- Weekly: Run diagnostic mode to check cache growth
- Monthly: Full cleanup and optimization
- After major updates: Re-run optimizations
- Restart your Mac weekly to clear system caches
- Keep macOS updated for optimal browser performance
- Consider using fewer browser extensions
- Close unused tabs to free up memory
- Enable "Reduce motion" in macOS for smoother performance
- After major browsing sessions (lots of video, downloads)
- When Orion feels sluggish on startup or during use
- Before important work requiring fast browsing
- Monthly maintenance for preventive care
- When you get "100/100" score but still experience slowness (triggers advanced diagnostics automatically)
🎯 When Safari/Chrome work fine but Orion is slow:
- Use standard tool →
python3 speed_up_orion.py - Compares extension counts → Orion vs Safari extension differences
- Analyzes profile corruption → Lock files, crash logs, corrupted preferences
- Checks Orion-specific settings → Developer tools, resource statistics, storage policies
- Compares browser data sizes → History, cache, and database size differences
🚨 When Orion has spinning wheel of death:
- Use emergency tool →
python3 fix_orion_spinning_wheel.py - Force-kills stuck processes → Handles completely frozen Orion
- Cleans massive profile corruption → Removes 100MB+ bloated data
- Includes iOS cleanup → Cross-device optimization guidance
- Preserves bookmarks → Safe emergency cleanup
🔍 General performance issues:
- Typing lag in web forms → Detects problematic extensions like Grammarly
- Browser crashes or freezes → Identifies database corruption and memory issues
- Sluggish scrolling/animations → Analyzes GPU cache and hardware acceleration settings
- High memory usage → Process monitoring and WebKit networking issues
📱 Cross-device sync slowdowns:
- iOS Orion also slow → Both tools provide iOS optimization steps
- History sync causing lag → Guidance on disabling problematic sync
- Automatic sync propagation → Mac cleanup affects iOS within 30 minutes
- Basic diagnosis: 2-5 seconds (cache analysis, history, system info)
- Advanced diagnosis: 10-15 seconds (process monitoring, database checks, network tests)
- Total optimization: 15-30 seconds (including cleanup and settings)
The script is optimized for speed with:
- ⚡ 0.1s CPU sampling (instead of 1s) for faster process analysis
- ⚡ 2s timeouts on system commands to prevent hanging
- ⚡ 3s DNS timeout to avoid network delays
- ⚡ Progress indicators so you know what's happening
- ⚡ Skip empty databases to avoid unnecessary checks
THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.
This tool modifies Orion browser files and settings on your system. While extensively designed with safety features and tested thoroughly:
THE AUTHORS AND CONTRIBUTORS PROVIDE NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:
- NO WARRANTY OF MERCHANTABILITY - This software may not be suitable for any particular purpose
- NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE - This software may not work as expected in your environment
- NO WARRANTY OF NON-INFRINGEMENT - Use may conflict with other software or system configurations
- NO WARRANTY AGAINST DATA LOSS - Despite backup systems, data loss is theoretically possible
- NO WARRANTY OF SYSTEM STABILITY - System or application crashes, while unlikely, could theoretically occur
BY USING THIS SOFTWARE, YOU EXPLICITLY ACKNOWLEDGE AND AGREE THAT:
- YOU USE THIS SOFTWARE ENTIRELY AT YOUR OWN RISK
- THE AUTHORS ARE NOT LIABLE FOR ANY DAMAGE, DATA LOSS, OR SYSTEM ISSUES that may result from using this software
- YOU ARE SOLELY RESPONSIBLE for any consequences of running this software
- NO SUPPORT GUARANTEE - While best efforts are made to help, no ongoing support is guaranteed
BEFORE USING THIS SOFTWARE:
- ✅ Create a complete system backup (Time Machine or equivalent)
- ✅ Test in a non-critical environment first
- ✅ Ensure Orion is completely closed before running
- ✅ Keep generated backup folders until you verify everything works perfectly
- ✅ Have a rollback plan in case you need to restore previous settings
This software is released under an "AS IS" basis. USE AT YOUR OWN RISK. The authors disclaim all liability for any direct, indirect, incidental, special, exemplary, or consequential damages arising from use of this software.
If you encounter issues, you can try these self-help steps:
- Check the backup folder for file restoration
- Restart Orion and your Mac
- Run the diagnostic mode only (don't clean) to identify problems
Community Support:
- GitHub Issues: Report bugs at github.com/davidlary/orion-speed-optimizer (Note: Support provided on best-effort basis only)
- Contact: davidlary@me.com (No guarantee of response or resolution)
If script shows 100/100 but Orion still slow:
- Let advanced diagnostics run completely (wait for the 10-15 second analysis)
- Follow specific recommendations for detected issues
- Consider temporarily disabling flagged extensions
- Restart Orion if it's been running >24 hours
- Change DNS servers if resolution is slow (>500ms)
If "Checking system performance factors" seems slow:
- This is normal - it checks thermal throttling, memory pressure, and CPU frequency
- Should complete within 5-10 seconds with the new optimizations
- Shows progress with system load, swap usage, and memory percentage
- If it hangs, the script now has 2-3 second timeouts on all system commands
If issues persist after optimization:
- Check Activity Monitor for high CPU/memory usage
- Reset Orion to defaults (will lose settings but keep bookmarks/passwords)
- Consider fresh Orion installation
- Check for macOS updates and restart system
- 🔍 Enhanced: Advanced database integrity analysis with WAL file monitoring and startup impact assessment
- 🧩 Enhanced: Comprehensive extension performance analysis with impact categorization (High/Medium/Low)
- ⚡ Enhanced: Detailed process monitoring with thread analysis and memory leak detection
- 🌐 Enhanced: Advanced network diagnostics with multi-domain DNS testing and connectivity analysis
- ⚙️ Enhanced: Expanded WebKit optimization settings with 10 safe, high-benefit configurations
- 📊 Enhanced: Detailed performance impact estimates for cache sizes and startup delays
- 🎯 Enhanced: Safety-level indicators (🟢 High Safety, 🟡 Medium Safety) for all optimizations
- 💡 Enhanced: Comprehensive recommendations with specific performance impact predictions
- 🚨 New: Emergency spinning wheel fix script (
fix_orion_spinning_wheel.py) - 📱 New: iOS Orion optimization guidance and cross-device sync cleanup
- 🛟 New: Force-kill stuck Orion processes and profile corruption repair
- 💾 New: Emergency backup system preserving bookmarks during severe cleanup
- 🔄 New: Sync impact analysis for cross-device performance optimization
- ✨ Enhanced: Handles complete Orion startup failures and massive profile bloat
- 📊 Enhanced: Version backup cleanup (removes old bk_* directories causing bloat)
- 🎯 New: Orion-specific diagnostic focus when other browsers work fine
- 🎯 New: Profile corruption detection (lock files, crash logs)
- 🎯 New: Safari vs Orion comparison (extensions, history, settings)
- 🎯 New: WebKit networking analysis for Orion-specific issues
- ✨ Enhanced: Prioritizes browser-specific issues over system problems
- 📊 Enhanced: Detailed comparison output with Safari configuration
- ⚡ Optimized: Reduced advanced diagnosis time from 30+ to 10-15 seconds
- ⚡ Optimized: CPU sampling reduced from 1s to 0.1s per process
- ⚡ Optimized: Added 2-3s timeouts to prevent system command hanging
- ⚡ Optimized: DNS resolution with 3s timeout to avoid network delays
- ✨ New: Real-time progress indicators during analysis
- ✨ New: Timing information for diagnosis phases
- 🐛 Fixed: "Checking system performance factors" no longer hangs
- ✨ New: Advanced performance diagnostics
- ✨ New: Process monitoring and analysis
- ✨ New: Extension performance impact detection
- ✨ New: Database integrity checks
- ✨ New: System thermal throttling detection
- ✨ New: Network performance testing
- 🐛 Fixed: Now catches performance issues missed by basic analysis
- 🔍 Basic cache analysis and cleanup
- ⚙️ Settings optimization with confirmations
- 🛡️ Safe operation with automatic backups
David Lary
- GitHub: @davidlary
- Email: davidlary@me.com
- Repository: github.com/davidlary/orion-speed-optimizer
Made with ❤️ for faster browsing
Last updated: October 2024
orion-browser macos performance-optimization browser-optimization cache-cleanup webkit browser-performance startup-speed memory-optimization python automation browser-tools macos-utilities orion browser-cache performance-tuning browser-speedup safari-alternative