WordPress WooCommerce Observability Stack

WooCommerce Observability

WordPress WooCommerce Observability Monitoring Logging Performance Alerting Core Web Vitals Revenue Order Checkout

Monitoring Setup

# === WooCommerce Monitoring with WP-CLI & Custom Script ===

# WP-CLI Commands for monitoring
# wp plugin list --status=active --format=json    # Active plugins
# wp plugin list --update=available --format=json  # Plugins need update
# wp core version                                  # WordPress version
# wp core check-update                            # Check WP update
# wp wc order list --status=processing --format=json  # Pending orders
# wp db query "SELECT COUNT(*) FROM wp_posts WHERE post_type='product' AND post_status='publish'"
# wp db query "SHOW FULL PROCESSLIST"             # Active DB connections
# wp cron event list                              # Scheduled cron events

# PHP-FPM Status monitoring
# curl http://localhost/status?json
# {
#   "pool": "www",
#   "accepted conn": 12345,
#   "active processes": 5,
#   "idle processes": 15,
#   "max active processes": 20,
#   "slow requests": 3
# }

from dataclasses import dataclass

@dataclass
class MonitorCheck:
    check: str
    command: str
    threshold: str
    frequency: str
    alert: str

checks = [
    MonitorCheck("Site Uptime",
        "curl -o /dev/null -s -w '%{http_code}' https://shop.example.com",
        "HTTP 200 = OK, อื่น = Down",
        "ทุก 1 นาที",
        "Down → SMS + Slack ทันที"),
    MonitorCheck("Page Load Time",
        "curl -o /dev/null -s -w '%{time_total}' https://shop.example.com",
        "< 2s = Good, > 3s = Slow, > 5s = Critical",
        "ทุก 5 นาที",
        "> 3s → Warning, > 5s → Critical"),
    MonitorCheck("PHP-FPM Active",
        "curl http://localhost/status?json | jq .active_processes",
        "< 80% of max = Good",
        "ทุก 1 นาที",
        "> 90% max → Scale up / Optimize"),
    MonitorCheck("MySQL Slow Queries",
        "wp db query 'SHOW GLOBAL STATUS LIKE \"Slow_queries\"'",
        "< 10/hour = Good",
        "ทุก 15 นาที",
        "> 50/hour → Optimize Queries"),
    MonitorCheck("WooCommerce Orders",
        "wp wc order list --after=today --format=count",
        "Compare with yesterday same time",
        "ทุกชั่วโมง",
        "Drop > 50% → Investigate"),
    MonitorCheck("Disk Usage",
        "df -h /var/www | awk 'NR==2{print $5}'",
        "< 80% = Good",
        "ทุก 15 นาที",
        "> 85% → Warning, > 95% → Critical"),
]

print("=== Monitor Checks ===")
for c in checks:
    print(f"  [{c.check}] Freq: {c.frequency}")
    print(f"    Command: {c.command}")
    print(f"    Threshold: {c.threshold}")
    print(f"    Alert: {c.alert}")

Performance Optimization

# === WooCommerce Performance Stack ===

@dataclass
class OptimizeLayer:
    layer: str
    tool: str
    config: str
    impact: str

optimizations = [
    OptimizeLayer("Page Cache",
        "LiteSpeed Cache / WP Super Cache / WP Rocket",
        "Cache HTML Pages, Exclude Cart/Checkout/My-Account",
        "Load Time ลด 50-80%"),
    OptimizeLayer("Object Cache",
        "Redis (recommended) / Memcached",
        "wp-config.php: WP_REDIS_HOST, WP_REDIS_PORT",
        "Database Query ลด 40-60%"),
    OptimizeLayer("CDN",
        "Cloudflare (Free) / Bunny CDN / KeyCDN",
        "DNS Proxy, Static Assets Cache, Image Polish",
        "Global Load Time ลด 30-50%"),
    OptimizeLayer("Image Optimization",
        "ShortPixel / Imagify / EWWW",
        "WebP Format, Lazy Loading, Resize to Max Width",
        "Page Size ลด 30-60%"),
    OptimizeLayer("Database Optimization",
        "WP-Optimize / Advanced Database Cleaner",
        "ลบ Revision Transient Spam, Optimize Tables",
        "Query Speed เพิ่ม 20-40%"),
    OptimizeLayer("PHP Upgrade",
        "PHP 8.2+ (จาก PHP 7.4)",
        "php.ini: opcache.enable=1, memory_limit=256M",
        "PHP Speed เพิ่ม 30-50%"),
    OptimizeLayer("HTTP/2 + Brotli",
        "Nginx / LiteSpeed Web Server",
        "http2 on, brotli on, brotli_comp_level 6",
        "Transfer Size ลด 20-30%"),
]

print("=== Performance Stack ===")
for o in optimizations:
    print(f"  [{o.layer}] Tool: {o.tool}")
    print(f"    Config: {o.config}")
    print(f"    Impact: {o.impact}")

Dashboard & Alerting

# === Observability Dashboard ===

@dataclass
class DashPanel:
    panel: str
    metrics: str
    source: str
    alert_rule: str

panels = [
    DashPanel("Revenue Real-time",
        "Orders/hour, Revenue/hour, AOV, Conversion Rate",
        "WooCommerce Analytics API / Custom Query",
        "Revenue drop > 50% vs yesterday → Critical"),
    DashPanel("Site Health",
        "Uptime %, Response Time p50 p95 p99, Error Rate",
        "UptimeRobot API / Synthetic Monitoring",
        "Uptime < 99.9% → Warning"),
    DashPanel("Server Resources",
        "CPU, RAM, Disk, Network, PHP-FPM Pool",
        "Prometheus node_exporter + php-fpm_exporter",
        "CPU > 80% for 5min → Warning"),
    DashPanel("Core Web Vitals",
        "LCP, FID, CLS, TTFB per page",
        "Chrome UX Report / PageSpeed API",
        "LCP > 2.5s → Optimization needed"),
    DashPanel("Security Events",
        "Login Attempts, File Changes, Blocked IPs",
        "Wordfence API / WP Activity Log",
        "Brute Force > 100/hr → Block IP Range"),
    DashPanel("Plugin Status",
        "Active/Inactive, Updates Available, Conflicts",
        "WP-CLI scheduled scan",
        "Security Update Available → Urgent"),
]

print("=== Dashboard ===")
for p in panels:
    print(f"  [{p.panel}] Metrics: {p.metrics}")
    print(f"    Source: {p.source}")
    print(f"    Alert: {p.alert_rule}")

เคล็ดลับ

• Cache: ใช้ Page Cache + Object Cache + CDN ครบ 3 ชั้น
• Query Monitor: ติดตั้ง Query Monitor Plugin ดู Slow Query ใน Development
• Uptime: ตั้ง Uptime Monitor ตรวจทุกนาที แจ้ง SMS ทันที
• Revenue: Monitor Revenue ทุกชั่วโมง ถ้าลดฮวบ อาจมี Bug
• Update: อัพเดท WordPress Plugin PHP สม่ำเสมอ

WooCommerce Observability คืออะไร

Metrics Performance Logs PHP Error Traces Checkout Payment Alerts Site Down Slow New Relic Grafana Query Monitor WP Activity Log

สรุป

WordPress WooCommerce Observability Monitoring Performance Cache CDN Redis Core Web Vitals Revenue Order Uptime Alert Dashboard Production