Support is really slow when you have a Free or Pro subscription. Users report submitting support cases and not hearing back for weeks, receiving only AI responses that summarize their problem without resolution. Phone support is only available for Enterprise customers paying $3,000+/month.

To purchase domains or use paid services, users must verify their email address, but verification emails frequently do not arrive. Resending doesn't help. No email means no purchases and no support. Users are locked out of their own accounts.

Users report accounts being suspended without clear explanation. Payment verification emails give 24-hour windows, and failure to respond in time results in immediate suspension. Support takes days to respond while websites remain offline. Account blocks prevent domain transfers and registrations.

November 18, 2025 outage affected one in five webpages and one-third of the world's 10,000 most popular sites for over 2 hours. December 5, 2025 outage affected 28% of HTTP traffic. Multiple outages in 2025 including March (1h 7m) and July (62 minutes). When Cloudflare goes down, your site goes down even if your server is fine.

The solution initially makes the website load very slowly as it analyzes the browsers, which can result in losing traffic from impatient visitors. New visitors face delays before seeing content. This affects user experience and potentially SEO metrics.

Users experience DNS issues when accessing sites through Cloudflare. There are bugs with DNS requiring clearing and re-adding. Occasional caching issues cause stale content to be served. Configuration problems can disrupt service during setup.

Users get stuck in infinite human verification loops when accessing Cloudflare-protected sites. The challenge loop happens when users solve one CAPTCHA only to face another immediately. VPN users, privacy-focused browsers, and shared IP addresses trigger constant challenges. Major sites like ChatGPT, Indeed become inaccessible.

Domain registration is blocked for various reasons: unpaid balances, verification pending, account flags. Transfer errors include 'Transfer Conditions Not Met' and 'Unknown Registrar'. Users report being unable to purchase domains with unhelpful error messages. Verification emails don't arrive, blocking purchases.

While basic setup is straightforward, advanced settings are confusing with a steep learning curve. Settings are not in obvious locations, requiring research and documentation reading. Users report needing help from web designers to properly configure. The interface can be overwhelming for beginners.

Users report being charged for services like Advanced Certificate Manager after cancellation. One user reported charges on December 27, 2025 and January 27, 2026 after canceling, with the billing page showing an active subscription they cannot edit or remove. The Edit button does nothing.

Cloudflare Workers KV operations can rack up unexpected charges. All operations incur charges including fetches for non-existent keys. Dashboard and wrangler operations count as billable usage. Users have received unexplained charges totaling $77+ over multiple invoices. AI Gateway has strict retention caps that can cause budget surprises.

Customer service is unavailable unless you pay $200 a month for the Business plan. Even Pro users paying close to $100 monthly report never speaking to a real person. Enterprise starts at $3,000+/month. Free and Pro users are essentially on their own.

Cloudflare blocks IP addresses and DNS addresses that it deems suspicious. Users report being unable to access websites like ChatGPT, Indeed, and DeepSeek due to infinite loops and continuous Cloudflare loading. Legitimate users are incorrectly flagged as threats.

Advanced users find customization options limited compared to competitors like Akamai. Dependency on Cloudflare's infrastructure means less control. Enterprise-level features require expensive custom contracts. Power users hit walls when trying to implement complex configurations.