Overview
PortCyou and SiteMD are two specialized tools that serve very different needs in the tech ecosystem. PortCyou is a comprehensive port database designed for developers and system administrators who need to look up port assignments, discover which services use them, and avoid conflicts. SiteMD, on the other hand, is a website health scanner and SEO audit tool that monitors uptime, performance, SEO, and security, providing plain-English reports with actionable fixes.
Feature Comparison
| Feature | PortCyou | SiteMD |
|---|---|---|
| Primary Focus | Port database for developers | Website health monitoring & SEO audit |
| Target Audience | Developers, sysadmins, network engineers | Website owners, marketers, SEO pros, agencies |
| Core Functionality | Search 10,000+ ports, discover services, multi-language support, smart search, developer API | Uptime monitoring, SEO audits, performance scoring (Core Web Vitals), security scans, plain-English reports |
| Database Size | 511 ports, 1,287 software services, 37 categories | Not applicable (monitors live websites) |
| Pricing Model | Likely free (no pricing page) | Free tier (1 site), Pro $19/mo (5 sites), Team $49/mo (20 sites), Agency $99/mo (unlimited) |
| API Access | Developer API included | API access on Team plan ($49/mo) |
| Multi-language Support | Yes (Traditional Chinese, Simplified Chinese, English, Japanese) | Not mentioned (likely English only) |
| Reporting Style | Technical port details with software associations | Plain-English reports with step-by-step fixes |
| Alerting | Not applicable | Smart alerts for uptime, performance, security issues |
| Collaboration | Not applicable | Team collaboration on Team plan |
Pricing
PortCyou appears to be a free web-based database. There is no pricing page visible on the website, suggesting that all port information is freely accessible. The developer API is mentioned as included, but usage limits or costs are not disclosed.
SiteMD offers a transparent tiered pricing model:
- Free: $0 forever for 1 website, monthly health reports, basic uptime monitoring, email notifications.
- Pro: $19/mo for 5 websites, weekly health reports, full site diagnosis, smart alerts, security scanning, SEO audits.
- Team: $49/mo for 20 websites, daily health reports, everything in Pro, competitor tracking, API access, team collaboration.
- Agency: $99/mo for unlimited websites, weekly health reports, everything in Team, priority support, bulk site management.
Pros and Cons
PortCyou Pros
- Comprehensive port database with 10,000+ entries
- Multi-language support (Chinese, English, Japanese)
- Developer API for integration
- Smart search and categorization
- Free to use
PortCyou Cons
- Limited to port lookup only β no monitoring or alerts
- No pricing transparency for API usage
- Interface may be overwhelming for non-developers
- No collaboration features
SiteMD Pros
- All-in-one website health monitoring (uptime, SEO, performance, security)
- Plain-English reports with actionable fixes
- Generous free tier (1 site forever)
- Smart alerts reduce noise
- Scalable pricing for teams and agencies
SiteMD Cons
- Still in private beta β may have limited features or bugs
- No multi-language support mentioned
- API access only on highest paid plan
- No port database or developer-specific tools
Verdict
Choose PortCyou if you're a developer or sysadmin who needs a quick, reliable reference for port assignments and software associations β it's a free, specialized tool. Choose SiteMD if you manage websites and need ongoing monitoring of uptime, SEO, performance, and security with plain-English guidance. They serve entirely different purposes, so your choice depends on whether you need port lookup or website health monitoring.

