Basicrum brings simplicity and the power of open source to real user monitoring.
| Page | p75 ms | Visits by rating | Tag | CSS Selector |
|---|---|---|---|---|
| /checkout | 7732 | 1,694 | <img> | div.header a#logo img |
| /product/linen-shirt | 7684 | 987 | <img> | div.products-grid li.item img |
Our Rust server can handle millions of requests per day, even on modest hardware
Core Web Vitals, Network metrics, Dimensional analysis, all down to the element.
No third-party tracking. GDPR compliant. Secure by design.
LLM-powered insights help you extract fine-grained performance tips.
Free to use and fully self-hostable. Inspect, extend, and contribute on GitHub.
A tiny beacon that won't slow down the page it's trying to monitor.
Exclusively EU infrastructure with full GDPR compliance and low-latency guarantees.
Blazing-fast analytics on billions of events. Powered by open-source OLAP.
Two of your four busiest pages fail Core Web Vitals on mobile. /checkout is the worst, with an LCP of 4300 ms.
acme-shop.com · Nov 2 – Nov 8 · Device: mobile
| Page | Visits | LCP | INP | CLS | CWV |
|---|---|---|---|---|---|
| /checkout | 8,214 | 4300 ms | 190 ms | 0.04 | Failed |
| /product/linen-shirt | 5,102 | 3400 ms | 240 ms | 0.12 | Failed |
| /search | 3,876 | 2100 ms | 180 ms | 0.02 | Passed |
| / | 12,940 | 1900 ms | 120 ms | 0.01 | Passed |
Based on 1 query from Basicrum RUM
Get insights about your data with generative UI and smart suggestions.
Use models from Anthropic, OpenAI, Google Gemini or Mistral.
Models only see the query results, never raw visitor data. Data is anonymized before processing.
A short pre-emptive summary of what changed, on any charts. Continue in chat for more details.
Query your data from Claude Code, Cursor or any MCP client.
See waterfall of resources as they load over time.
Spot what is holding up your first paint.
Check timing phases, cache, protocol, and size of every request.
Advanced metrics, see where your users are coming from.
Reach out via email or web for any assistance you need.
99.99% Uptime
Monitor your application's activity in real-time. Instantly identify potential issues.
Basicrum gave us visibility into real-user performance that we did not have from the synthetic monitoring tools used in our day-to-day work.
Basicrum revealed issues that had previously been invisible. Thanks to the WordPress plugin, setup was straightforward
Through the eyes of your users.
Basicrum shows you exactly where, and why.
| Visits | Page | LCP | INP | CLS | Status |
|---|---|---|---|---|---|
| 3289 | / | 7586 | 500 | 0.49 | Failed |
| 3284 | /checkout | 7483 | 423 | 0.05 | Failed |
| 3282 | /contact | 7714 | 464 | 0.04 | Failed |
| 3281 | /about | 1683 | 512 | 0.04 | Failed |
| 3278 | /plans/enterprise | 1754 | 86 | 0.03 | Passed |
div.header a#logo imgdiv.products-grid li.item imgdiv.col-main div.product-viewBasicrum tracks every improvement in real time, so you know exactly what's working and what still needs attention.
Compared to 3800 for the previous period across all pages
Basicrum confirmed the fix worked. With real data, from real users.
You've seen the journey.
Most websites never find out why they're slow.
Yours doesn't have to be one of them.