# Frequently Asked Questions

Find answers to common questions about website monitoring, uptime checks, SSL certificates, notifications, and more. Can't find what you're looking for? [Contact our support team](https://ohdear.app/contact).

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🙋‍♂️

## General

- [How often are checks performed?](https://ohdear.app/docs/faq/how-often-are-checks-performed)
- [What can you monitor besides websites?](https://ohdear.app/docs/faq/what-can-you-monitor-besides-websites)
- [What timezone is your server configured in?](https://ohdear.app/docs/faq/what-timezone-is-your-server-configured-in)
- [\[Tool\] How to check if your page is down](https://ohdear.app/docs/faq/how-to-check-if-a-website-is-down)
- [How do I update to the latest version of the Oh Dear API](https://ohdear.app/docs/faq/how-do-i-update-to-the-latest-version-of-the-oh-dear-api)
- [What is a 'robots.txt' file?](https://ohdear.app/docs/faq/what-is-a-robotstxt-file)
- [What are cron jobs and what can you do with them?](https://ohdear.app/docs/faq/what-are-cron-jobs-and-what-can-you-do-with-them)
- [Why links break and how to prevent that from happening?](https://ohdear.app/docs/faq/why-links-break-and-how-to-prevent-that-from-happening)
- [What are SSL/TLS certificates and why do I need them?](https://ohdear.app/docs/faq/what-are-ssltls-certificates-and-why-do-i-need-them)
- [What are HTTP status codes?](https://ohdear.app/docs/faq/what-are-http-status-codes)
- [Domain expiry date differs from my registrar. Why?](https://ohdear.app/docs/faq/why-does-oh-dear-show-a-different-domain-expiration-date-than-my-registrar)
- [How does Oh Dear handle large or split sitemaps?](https://ohdear.app/docs/faq/how-does-oh-dear-handle-large-or-split-sitemaps)
- [My site is on a DNS blocklist. What should I do?](https://ohdear.app/docs/faq/my-site-is-on-a-dns-blocklist-what-does-oh-dear-do-and-what-should-i-do)
- [Certificate reported invalid but site loads fine?](https://ohdear.app/docs/faq/oh-dear-reports-an-invalid-certificate-but-my-site-loads-fine)

⬆️

## Uptime

- [Can I monitor Cloudflare sites?](https://ohdear.app/docs/faq/can-i-monitor-cloudflare-sites)
- [How can I monitor wildcard domains?](https://ohdear.app/docs/faq/how-can-i-monitor-wildcard-domains)
- [Can I monitor authenticated sites?](https://ohdear.app/docs/faq/can-i-monitor-authenticated-sites)
- [Why is my application health check reporting old results?](https://ohdear.app/docs/faq/why-is-my-application-health-check-reporting-old-results)
- [What is an uptime monitoring tool?](https://ohdear.app/docs/faq/what-is-an-uptime-monitoring-tool)
- [What is 24/7 uptime monitoring?](https://ohdear.app/docs/faq/what-is-247-uptime-monitoring)
- [How to track site uptime?](https://ohdear.app/docs/faq/how-to-track-site-uptme)
- [What is the KPI for uptime?](https://ohdear.app/docs/faq/what-is-the-kpi-for-uptime)
- [How do you measure uptime?](https://ohdear.app/docs/faq/how-do-you-measure-uptime)
- [What is the benefit of uptime monitoring?](https://ohdear.app/docs/faq/what-is-the-benefit-of-uptime-monitoring)
- [What is a good system uptime?](https://ohdear.app/docs/faq/what-is-a-good-system-uptime)
- [Will an uptime monitor affect SEO?](https://ohdear.app/docs/faq/will-an-uptime-monitor-affect-seo)
- [Why do you need website performance monitoring?](https://ohdear.app/docs/faq/why-do-you-need-website-performance-monitoring)
- [Can I adjust downtime periods?](https://ohdear.app/docs/faq/can-i-adjust-downtime-periods)
- [How can I monitor the origin server?](https://ohdear.app/docs/faq/how-can-i-monitor-the-origin-server)
- [How can I check response header names with case sensitivity?](https://ohdear.app/docs/faq/how-can-i-check-response-header-names-with-case-sensitivity)
- [What could be the reason that my site has poor performance?](https://ohdear.app/docs/faq/what-could-be-the-reason-that-my-site-has-poor-performance)
- [Why should I monitor for downtime?](https://ohdear.app/docs/faq/why-should-i-monitor-for-downtime)
- [Can I choose where Oh Dear checks my site from?](https://ohdear.app/docs/faq/can-i-choose-where-oh-dear-checks-my-site-from)
- [Oh Dear says my site is down, but it works for me](https://ohdear.app/docs/faq/oh-dear-says-my-site-is-down-but-its-working-for-me)
- [How do I configure the uptime check timeout?](https://ohdear.app/docs/faq/how-do-i-configure-the-uptime-check-timeout)
- [Can I configure which HTTP status codes count as "up"?](https://ohdear.app/docs/faq/can-i-configure-which-http-status-codes-count-as-up)
- [Why do I get alerts right after a maintenance window ends?](https://ohdear.app/docs/faq/why-do-i-get-alerts-right-after-a-maintenance-window-ends)

🤖

## Our Crawler

- [Can I add Oh Dear to my robots.txt?](https://ohdear.app/docs/faq/can-i-add-oh-dear-to-my-robotstxt)
- [Does Oh Dear count in your visitor statistics?](https://ohdear.app/docs/faq/does-oh-dear-count-in-your-visitor-statistics)
- [What IPs does Oh Dear monitor from?](https://ohdear.app/docs/faq/what-ips-does-oh-dear-monitor-from)
- [What is the Oh Dear crawler doing in my logs?](https://ohdear.app/docs/faq/what-is-the-oh-dear-crawler-doing-in-my-logs)
- [Whitelist Oh Dear IPs or user agent in Cloudflare](https://ohdear.app/docs/faq/how-to-whitelist-oh-dear-static-ips-or-user-agent-in-cloudflare)
- [Does the Oh Dear crawler run JavaScript and SPAs?](https://ohdear.app/docs/faq/does-oh-dear-crawler-execute-javascript-and-monitor-spas)
- [Does Oh Dear check external links too?](https://ohdear.app/docs/faq/does-oh-dear-check-external-links-too)
- [Can I exclude URLs from broken links checks?](https://ohdear.app/docs/faq/can-i-exclude-urls-from-broken-links-checks)
- [What's the crawler page limit on large sites?](https://ohdear.app/docs/faq/whats-the-crawler-page-limit-and-what-happens-on-very-large-sites)

🚨

## Notifications

- [Can I deactivate checks during deployments?](https://ohdear.app/docs/faq/can-i-deactivate-checks-during-deployments)
- [Do resent webhooks appear in the log?](https://ohdear.app/docs/faq/do-resent-webhooks-appear-in-the-log)
- [How often are webhooks sent?](https://ohdear.app/docs/faq/how-often-are-webhooks-sent)
- [Why am I receiving Slack alerts?](https://ohdear.app/docs/faq/why-am-i-receiving-slack-alerts)
- [Why didn't I receive any notifications?](https://ohdear.app/docs/faq/why-didnt-i-receive-any-notifications)
- [Why is Discord only showing parts of the notification?](https://ohdear.app/docs/faq/why-is-discord-only-showing-parts-of-the-notification)
- [Why doesn't Telegram show notifications?](https://ohdear.app/docs/faq/why-doesnt-telegram-show-notifications)
- [Why have my notifications been switched off?](https://ohdear.app/docs/faq/why-have-my-notifications-been-switched-off)
- [Where can I find a list of webhook events?](https://ohdear.app/docs/faq/where-can-i-find-a-list-of-webhook-events)
- [Which SMS providers does Oh Dear support?](https://ohdear.app/docs/faq/which-sms-providers-does-oh-dear-support)
- [How do I change the email address that receives alerts?](https://ohdear.app/docs/faq/how-do-i-change-the-email-address-that-receives-alerts)
- [Can I silence DNS record change notifications?](https://ohdear.app/docs/faq/can-i-silence-dns-record-change-notifications)
- [Microsoft deprecated Teams connectors. What now?](https://ohdear.app/docs/faq/microsoft-deprecated-office-365-teams-connectors-what-do-i-do)
- [Can I snooze a single check on a monitor?](https://ohdear.app/docs/faq/can-i-snooze-a-single-check-on-a-monitor)

⏱

## Cron Job Monitoring

- [Is there a successful task ping rate limit?](https://ohdear.app/docs/faq/is-there-a-successful-task-ping-rate-limit)
- [What is a "cron job expression"?](https://ohdear.app/docs/faq/what-is-a-cron-job-expression)
- [Why do I only see two events in my cron history?](https://ohdear.app/docs/faq/why-do-i-only-see-two-events-in-my-cron-history)
- [Why is my grace time resetting to 5 minutes?](https://ohdear.app/docs/faq/why-is-my-grace-time-resetting-to-5-minutes)
- [Why is the cron log missing pings?](https://ohdear.app/docs/faq/why-is-the-cron-log-missing-pings)
- [Why does schedule-monitor:sync change my cron?](https://ohdear.app/docs/faq/why-does-schedule-monitorsync-change-the-expected-cron-expression)
- [How many tasks can I monitor?](https://ohdear.app/docs/faq/how-many-tasks-can-i-monitor)
- [How do I send cron pings from behind a firewall?](https://ohdear.app/docs/faq/my-cron-runs-behind-a-firewall-how-do-i-send-pings)

💳

## Billing & Account

- [Which payment methods do you accept?](https://ohdear.app/docs/faq/which-payment-methods-do-you-accept)
- [Can we change the email address that receives the invoices?](https://ohdear.app/docs/faq/can-we-change-the-email-address-that-receives-the-invoices)
- [Can I create read-only API keys?](https://ohdear.app/docs/faq/can-i-create-read-only-api-keys)
- [Can I remove the Oh Dear logo from my reports?](https://ohdear.app/docs/faq/can-i-remove-the-oh-dear-logo-from-monthly-reports-and-status-pages)
- [Are you SOC 2 verified?](https://ohdear.app/docs/faq/are-you-soc-2-verified)
- [Do you have a bug bounty or security contact?](https://ohdear.app/docs/faq/do-you-have-a-bug-bounty-program-how-do-i-report-a-security-issue)
- [Can I extend my free trial?](https://ohdear.app/docs/faq/can-i-extend-my-free-trial)
- [How do I cancel my Oh Dear subscription?](https://ohdear.app/docs/faq/how-do-i-cancel-my-oh-dear-subscription)
- [How do I update my payment method?](https://ohdear.app/docs/faq/how-do-i-update-my-payment-method)
- [How do I update my billing address or add a VAT number?](https://ohdear.app/docs/faq/how-do-i-update-my-billing-address-or-add-a-vat-number)
- [How do I download my invoices?](https://ohdear.app/docs/faq/how-do-i-download-my-invoices)
- [Can I be billed in USD instead of EUR?](https://ohdear.app/docs/faq/can-i-be-billed-in-usd-instead-of-eur)
- [Discounts for nonprofits, students, open source?](https://ohdear.app/docs/faq/do-you-offer-discounts-for-nonprofits-students-or-open-source-projects)
- [How do I transfer ownership of my Oh Dear team?](https://ohdear.app/docs/faq/how-do-i-transfer-ownership-of-my-oh-dear-team)
- [Difference between Admin, Member, and Guest roles?](https://ohdear.app/docs/faq/whats-the-difference-between-admin-member-and-guest-roles)
- [How do I delete my account?](https://ohdear.app/docs/faq/how-do-i-delete-my-account)
- [I lost access to my 2FA device. What do I do?](https://ohdear.app/docs/faq/i-lost-access-to-my-2fa-device-what-do-i-do)
- [Which identity providers does Oh Dear support for SSO?](https://ohdear.app/docs/faq/which-identity-providers-does-oh-dear-support-for-sso)
- [Do you have a Data Processing Agreement (DPA)?](https://ohdear.app/docs/faq/do-you-have-a-data-processing-agreement-dpa)

📣

## Status Pages

- [How do I set up a custom domain for my status page?](https://ohdear.app/docs/faq/how-do-i-set-up-a-custom-domain-for-my-status-page)
- [How do I post an incident update on my status page?](https://ohdear.app/docs/faq/how-do-i-post-an-incident-update-on-my-status-page)
- [Do status page subscribers get notified about updates?](https://ohdear.app/docs/faq/do-status-page-subscribers-get-notified-about-updates)
- [Can I customize the look of my status page?](https://ohdear.app/docs/faq/can-i-customize-the-look-of-my-status-page)
- [How do I put Cloudflare in front of my status page?](https://ohdear.app/docs/faq/how-do-i-put-cloudflare-in-front-of-my-status-page)