---
title: "Blog"
description: "Notes on independent uptime measurement, methodology, and the cloud reliability landscape."
url: https://uptimeproject.org/blog/
built: 2026-11-06T12:58:15.145Z
---

# Blog

Notes on methodology, infrastructure, and what the data shows.

-   [03 Nov 2026

    ## October 2026 in data: the longest outage was on the calendar

    46 services, 179 lost minutes. Most belong to one Linode outage announced a month in advance, which still ran past both ends of its window.

    data reliability incidents

    Read](https://uptimeproject.org/blog/october-2026-in-data/)
-   [08 Sept 2026

    ## The endpoint you monitor decides the outage you can detect

    An audit of our leaderboard found 17 of 50 services that could not have recorded an outage. Not a bug: a reasonable rule meeting a badly chosen URL.

    methodology monitoring reliability

    Read](https://uptimeproject.org/blog/the-endpoint-you-monitor-decides-the-outage-you-can-detect/)
-   [11 May 2026

    ## What 99.99% uptime actually buys you

    Reading cloud SLAs: the math behind "the nines", four ways vendors quietly reshape the denominator, and what to look at instead of one headline number.

    sla reliability methodology

    Read](https://uptimeproject.org/blog/what-99-99-uptime-actually-buys-you/)
-   [08 May 2026

    ## Why independent uptime measurement matters

    Provider status pages are structurally unreliable. Here is what independent measurement looks like and why it matters for engineers picking infrastructure.

    announcement methodology

    Read](https://uptimeproject.org/blog/welcome/)