Side by side
Perfmatters vs Visual Sentinel
Both stand on website monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid Self-hosted
Perfmatters provides detailed WordPress performance controls across scripts, databases, media, and CSS. Review the yearly renewal terms and the absence of monitoring features alongside the optimisation toolkit.
Visit Perfmatters Free plan AndroidAPIiPhone+1
Choose Visual Sentinel if you need visual page comparisons alongside uptime, server, and other monitoring, with a free plan for up to three monitors. Look at Business or Agency if you need API access, and Agency if you need white-label client reports.
Visit Visual SentinelThe facts
| Perfmatters | Visual Sentinel | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | No |
| Runs on | Self-hosted | Android, API, iPhone, Web |
| Lowest paid plan | 1 Site – Personal: $29.95 a year | Solo: $6 a month |
| Plans published | 3 | 6 |
| Maker | Not published | Not published |
| Website | perfmatters.io | visualsentinel.com |
| On website monitoring software | #51 of 55 | #25 of 55 |
Perfmatters: what it does well
- Per-page and device script controls
- Scheduled database cleanup
- Lazy loads multiple media types
- Supports WebP and AVIF
- Includes developer support and documentation
What to know first
- Paid self-hosted WordPress plugin
- Licenses renew yearly
- Auto-renew is enabled by default
- No SSL or latency monitoring
Visual Sentinel: what it does well
- Visual checks compare browser screenshots with a prior baseline.
- Dynamic page elements can be excluded by CSS selector.
- Failed uptime checks are confirmed across selected regions.
- Alerts support email, chat, incident, and monitoring channels.
- The free plan includes three monitors and one status page.
What to know first
- The free plan checks every 10 minutes.
- API access is listed only for Business and Agency.
- Solo includes one monitor, one server, and one visual site.
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