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Conseils, tutoriels et meilleures pratiques pour la surveillance de sites web

À la une16 min de lecture

Best Uptime Monitoring Tools 2026: Top 7 Compared (Free & Paid)

The 7 best uptime monitoring tools in 2026 — ranked by check interval, alert channels, free tier generosity, and price. We compare AlertSleep, UptimeRobot, Pingdom, Better Uptime, StatusCake, Site24x7, and Freshping so you pick the right one.

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Comparison12 min de lecture

Best Free Uptime Monitoring Tools 2026: Free Plans vs. Free Trials Compared

Free uptime monitoring in 2026: compare permanent free plans (AlertSleep 5 monitors, UptimeRobot 50, Freshping 50) vs. time-limited trials. Learn what free tiers sacrifice — check intervals, SMS alerts, data retention — and when it's worth upgrading. Comparison table + FAQ included.

Startups13 min de lecture

Affordable Uptime Monitoring for Startups: Best Budget Options in 2026

How startups can monitor uptime without overspending in 2026: compare pricing models (per-monitor vs. flat-rate), get stage-by-stage recommendations (pre-seed to Series A), and learn which features are worth paying for vs. which free tier restrictions don't matter. With startup cost scenarios and FAQ.

Alerts12 min de lecture

Best Uptime Monitoring Services with Mobile App Alerts, SMS & Phone Calls (2026)

The best uptime monitoring services with mobile alerts in 2026: compare push notifications, SMS, and phone call alerting across AlertSleep, Better Uptime, UptimeRobot, and Pingdom. Plus: how to prevent alert fatigue, set up on-call escalation, and choose the right alert channel for each severity level.

Technical14 min de lecture

How Uptime Monitoring Detects Outages: HTTP, TCP, DNS & Multi-Location Checks Explained (2026)

How uptime monitoring services detect outages in 2026: a technical deep-dive into HTTP/HTTPS checks, TCP port monitoring, ICMP ping, DNS verification, and multi-location confirmation. Learn how false positives are filtered, how detection timing works, and which check type to use for websites, APIs, and servers.

Metrics13 min de lecture

7 Key Metrics Tracked by Performance and Availability Monitoring Tools (2026)

The 7 key metrics every performance and availability monitoring tool tracks in 2026: uptime %, response time percentiles (p50/p95/p99), error rates, throughput, MTTR, SLA compliance, and more. Learn why averages mislead — and how to read your monitoring data correctly.

Technical14 min de lecture

How to Check Server Status: 5 Methods Compared — Agent-Based, External & More (2026)

5 proven methods to check server status in 2026: agent-based monitoring, agentless (SNMP/SSH/WMI), external uptime checks, internal monitoring, and push vs. pull. Compare pros, cons, and when to use each — with a quick-reference table.

Technical13 min de lecture

Synthetic Monitoring vs Real User Monitoring (RUM): Key Differences (2026)

Synthetic monitoring vs RUM (Real User Monitoring): learn how each works, when to use them, and key differences in 2026. Synthetic checks run 24/7 for uptime alerts; RUM captures real visitor data including LCP, FID, and CLS. Comparison table + FAQ included.

Comparison12 min de lecture

AlertSleep vs UptimeRobot: Honest Comparison for 2026 (Free Plans, Features & Pricing)

AlertSleep vs UptimeRobot: side-by-side comparison of free plans, check intervals, alert channels (SMS, phone calls), pricing, and status pages in 2026. Find out which uptime monitoring tool fits your needs — and where each falls short.

Comparison11 min de lecture

AlertSleep vs Pingdom: Features, Pricing & Free Plan Compared (2026)

AlertSleep vs Pingdom: honest 2026 comparison of pricing, free plans, check intervals, SMS & phone alerts, and ease of use. Pingdom is enterprise-focused with high prices; AlertSleep offers similar core features at a fraction of the cost. Find out which is right for you.

Templates8 min de lecture

Planned Downtime Notification Template (+ 7 Ready-to-Copy Examples)

When planned maintenance hits, how you communicate makes all the difference. Here are 7 ready-to-copy downtime notification templates for email, Slack, and status pages — plus a guide on when to send each one.

Guides9 min de lecture

What is a Status Page? (And Why Every SaaS Needs One in 2026)

A status page is a public webpage where you communicate your service's current health, ongoing incidents, and maintenance windows to users. Here's why every SaaS product needs one — and what a great status page looks like.

Guides11 min de lecture

Website Outage Communication Guide: Templates + Best Practices (2026)

How you communicate during a website outage determines whether users stay loyal or churn. This playbook covers the complete outage response process: from the first alert to the postmortem — with ready-to-use templates at every stage.

Technical10 min de lecture

How to Monitor Your API for Downtime (Step-by-Step Guide for 2026)

API downtime is worse than website downtime — it breaks your users' apps silently. This step-by-step guide covers what to monitor, how to set up API uptime monitoring, and what response checks actually matter.

Comparisons12 min de lecture

Free Uptime Monitoring: Best Options in 2026 (Tested & Compared)

We tested the 5 best free uptime monitoring tools in 2026. Here's a detailed, honest comparison of AlertSleep, UptimeRobot, Freshping, StatusCake, and HetrixTools — with free tier limits, alert channels, and what each tool actually delivers.

Guides8 min de lecture

99.9% Uptime: What It Actually Means (With Downtime Calculator)

"99.9% uptime" sounds impressive — until you do the math. That's still 8.7 hours of downtime per year. This guide breaks down what uptime percentages really mean, how SLAs use them, and how to calculate your own uptime.

Technical9 min de lecture

SSL Certificate Expiration: How to Monitor and Avoid Downtime (2026)

An expired SSL certificate takes your site offline in seconds — and it's 100% preventable. Here's how to monitor SSL certificate expiration, set up automated alerts, and never let an expired cert cause downtime again.

Guides9 min de lecture

How to Set Up Website Monitoring for WordPress (Without Plugins)

WordPress plugins for uptime monitoring have a fundamental flaw: they can't alert you if WordPress itself is down. Here's how to set up reliable external uptime monitoring for your WordPress site — no plugin required.