Blog
Uptime monitoring, explained
Guides and practical playbooks for monitoring websites, APIs and services from multiple regions, setting up alerts by Slack, email, SMS and webhook, running a branded status page, and choosing the right tool.
Sentry Cron Monitoring Pricing: Cost Per Monitor and Plan Limits
Sentry includes one cron monitor on every plan, including the $89 Business plan, then charges $0.78 a month each. Twenty jobs cost $489.84 a year on Team.
Read articleJira Service Management Status Page Pricing and Cost
A Jira Service Management status page needs the Enterprise plan, from $2,500 a year for three agents and $20,500 for twenty five. Standard and Premium get none.
Read articleStatuspage Alternatives: Real Prices and Who Migrated
Statuspage runs $29 to $1,499 a month and meters subscribers, charging 13.6x more for an internal subscriber than a public one. Six of 40 major pages have left.
Read articleSSL Certificate Monitoring Tools: Coverage Caps and Pricing
Most tools cap SSL monitors separately from uptime monitors, so certificate coverage falls as you pay more. The allowances, the prices and what to check.
Read articleBest Website Monitoring Software for Agencies and MSPs
Ten client sites with a white-labeled status page each costs $78 on Site24x7 MSP, $99 on Uptimehub and $2,762 on Better Stack. Monitors are not the meter.
Read article99.99% Uptime Monitoring Cost: The Real Price of Four Nines
A 99.99% target forces 30 second checks, and metered vendors bill per run. What that costs: $99 to $1,246 a month per endpoint, against $29 flat for a hundred.
Read articleNew Relic Synthetic Monitoring Pricing and Cost per Check
New Relic charges $0.005 per non-ping synthetic check, the highest per-run rate in the market, and nothing at all for unlimited ping monitors on every edition.
Read articleDynatrace Synthetic Monitoring Pricing and Cost per Action
Dynatrace bills browser checks per step, not per run: $4.50 per 1,000 synthetic actions, $1.00 per 1,000 HTTP requests. Where that beats Datadog and where not.
Read articleCloudWatch Synthetics Pricing: AWS Canary Cost per Run
AWS CloudWatch Synthetics costs $0.0012 per canary run, the same rate for browser and API. What that is per month, plus the Lambda, S3 and Logs charges on top.
Read articleDatadog Synthetics Pricing: What API and Browser Tests Cost
Datadog Synthetics is billed per test run: $5 per 10,000 API runs, $12 per 1,000 browser runs. What that costs once you multiply by locations and interval.
Read articleScheduled Maintenance Notification Templates
Copy-ready scheduled maintenance notification templates for customers and internal users, plus an outage notification email for unplanned downtime, the notice period to use and where the notice should live.
Read articleIncident Postmortem Template: Blameless Postmortem Format
The seven sections an incident postmortem needs, what makes one blameless, the error budget rule for deciding which incidents get one, and why the timeline is the part that fails.
Read articleWebsite Downtime History: How Long Has a Site Been Down?
Nothing publicly records how long a site was down. Which sources can reconstruct it after the fact, what each one proves, and the detection gap nobody measures.
Read articleSLA vs SLO vs SLI: What Each One Means and Who Owns It
An SLI is the measurement, an SLO is the target, and an SLA is the contract with consequences. How the three stack, why the SLO should be stricter than the SLA, and where KPIs fit.
Read articleCron Job Not Running: How to Find Out Why
A cron job that does not run is almost never a schedule problem. The real causes in the order that finds them fastest: environment and PATH, time zones, silent failure.
Read articleRedirect Chains and Loops: How to Find and Fix Them
A redirect chain costs a round trip per hop and weakens the signal reaching the destination. How to find chains, read them, and collapse them to a single redirect.
Read articleCertificate Lifetime Changes: 200, 100 and 47 Day Limits
TLS certificate lifetimes drop from 398 days to 47 by 2029, and the 200 day limit is already in force. The schedule, the renewal math, and what to do first.
Read articleCloudflare Error 525: SSL Handshake Failed
What Cloudflare error 525 means, the four causes Cloudflare documents, how it differs from 526, and the one openssl command that diagnoses it in twenty seconds.
Read articleCloudflare Error 520: Web Server Returns Unknown Error
What Cloudflare error 520 means, the seven documented causes including the 128 KB response header limit, and how it differs from 521, 522, 523 and 524.
Read articleCloudflare Error 522: Connection Timed Out, How to Fix
What Cloudflare error 522 means, the two timeout stages behind it (19 seconds and 90 seconds), the five real causes, and how to fix it on nginx or behind a firewall.
Read articleCloudflare Error 521: Web Server Is Down, How to Fix
What Cloudflare error 521 means, the five real causes, the one curl command that halves the search, and how to fix it on nginx or behind a firewall.
Read articleAPI Response Time: Standards, Benchmarks and What Is Good
What a good API response time is by endpoint type, the benchmarks teams actually use, why percentiles beat averages, and how to measure and alert on latency correctly.
Read articleWhat Is Uptime Monitoring? A Plain-English Guide
What uptime monitoring is, how checks work, why intervals and multiple regions matter, and how alerts and a status page turn detection into a fast response.
Read articleHow to Monitor a Website: A Step-by-Step Guide
A practical, step-by-step guide to monitoring a website: what to check, how to set intervals and regions, how to configure alerts, and how to add a status page.
Read articleHow to Create a Status Page for Your Website
Where to host it so it survives the outage it reports on, how to name components in customer language, build versus buy, update cadence during an incident, and whether to publish an uptime percentage.
Read article99.9% Uptime Meaning: How Much Downtime Is That?
The 99.9% uptime meaning explained, with a clear table of allowed downtime per year, month, and week for 99%, 99.9%, 99.95%, 99.99%, and 99.999%, plus SLA context.
Read articleWhat Is a Good Uptime Percentage? Benchmarks by Site Type
What counts as a good uptime percentage, what is realistic for three, four, and five nines, how to measure uptime honestly, and how monitoring helps you hit the target.
Read articleFree Uptime Monitoring: Options and Honest Tradeoffs
A candid look at free uptime monitoring options and their limits, and why a low-cost paid plan with multi-region checks and a bundled status page is often better value.
Read articleWebsite Downtime Cost: How Much Does an Outage Cost?
What website downtime really costs per hour and per minute in 2026, the current ITIC and Gartner benchmarks, the hidden costs people forget, and how to calculate your own exposure.
Read articleSynthetic Monitoring vs Uptime Monitoring: The Difference
Synthetic monitoring vs uptime monitoring compared: what each one checks, what it catches, how they are priced, and which one your team should start with.
Read articleHow to Monitor an API: A Practical Guide for 2026
How to monitor an API step by step: what to check beyond a 200 status, how to validate the JSON body and response time, how often to run checks, and how to alert without noise.
Read articleHow to Monitor SSL Certificate Expiration Before It Breaks
How to monitor SSL certificate expiration so a lapsed cert never takes your site down: what to watch, how many days of warning you need, and how to automate the alerts.
Read articleWhat Is a Status Page? What It Shows and Why You Need One
What a status page is, what it shows customers during an outage, the difference between public and private pages, and how monitoring can update it automatically.
Read articleHTTP Status Codes for Monitoring: Which Ones Mean Downtime
A monitoring-focused guide to HTTP status codes: which 2xx, 3xx, 4xx, and 5xx codes should alert you, which are false alarms, and how to configure checks around them.
Read articleHow Often Should You Monitor a Website? Check Intervals
How often to monitor a website: how to pick a check interval by how critical the site is, the tradeoff between detection speed and false alerts, and why multi-region matters more.
Read articleUptime Monitoring Cost Per User: Seat Fees Compared
An extra monitoring user costs $0 to $41 a month. Ten vendors, what each seat really costs, and the same ten person team priced from $39 to $365.
Read articleOpsgenie vs PagerDuty Pricing: Cost Per User Compared
Opsgenie and PagerDuty cost within 5 percent of each other at ten users and differ by 2.17x at a thousand. The volume ladder that explains the whole gap.
Read articlePagerDuty Status Page Pricing: What 1,000 Subscribers Cost
PagerDuty status pages cost from $89 per 1,000 subscribers a month, Premium from $599. The three features the extra $510 buys, and how that compares.
Read articleHealthchecks.io Pricing: Plans, Limits and Cost Per Job
Healthchecks.io pricing verified September 2026: $0, $5, $20 and $80 a month, 20 percent off annually, and why the $5 plan has the same limits as the free one.
Read articleCronitor Pricing Breakdown: What Cron Job Monitoring Costs
Cronitor pricing verified September 2026: $2 a month per monitor plus $5 per user, a real free tier at 5 monitors, and the add-ons that decide the bill.
Read articleCron Job Monitoring: How to Know When a Scheduled Job Fails
How cron job monitoring works, why silent failures are the real risk, how heartbeat and dead-man switch checks catch a job that never ran, and how to set one up.
Read article502 Bad Gateway Error: What It Means and How to Fix It
What a 502 Bad Gateway error means, the six causes behind almost every one, how to fix it on Nginx, Apache, and Cloudflare, and how to catch intermittent 502s automatically.
Read article503 Service Unavailable: What It Means and How to Fix It
What a 503 Service Unavailable error means, the six causes behind almost every one, how it differs from a 502 and a 504, and how to catch partial 503s.
Read articleSelf-Hosted vs Hosted Uptime Monitoring: Which to Pick
Self-hosted vs hosted uptime monitoring compared on real cost, the shared failure domain problem, check locations, scale limits, and when running your own monitor makes sense.
Read article504 Gateway Timeout: What It Means and How to Fix It
What a 504 Gateway Timeout means, the five causes behind nearly all of them, how to fix it on Nginx, PHP-FPM, Cloudflare, and WordPress, and how it differs from a 502.
Read articleError Budget in SRE: Formula, Calculation and Burn Rate
What an error budget is, the formula for calculating one from your SLO, how burn rate alerting works with multi-window thresholds, and what belongs in an error budget policy.
Read articleReal User Monitoring (RUM): What It Is and When You Need It
What real user monitoring (RUM) is, how it differs from synthetic and uptime monitoring, what data it collects, and when a team actually needs it versus external checks.
Read articlePut it into practice
Start monitoring your sites, APIs and services from six regions and add a branded status page. Transparent, flat pricing per monitor.