Digital systems, built to last.

We design, maintain, and evolve web systems with a focus on structure, stability, and long-term reliability.

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How we work

How we think about systems

Long-term digital systems are not built through constant change, but through structure, intention, and care over time.

Structure Before Scale

We design systems with solid foundations before adding complexity. Growth is sustainable only when the structure beneath it is sound.

Change Without Chaos

Evolution is inevitable. We approach change deliberately, ensuring every update strengthens the system instead of destabilizing it.

Long-term Responsibility

We don't build and disappear. We take responsibility for the systems we create, maintaining and improving them as they evolve over time.

What we take responsibility for

We provide complete web systems as a service, combining structure, hosting, and long-term care to support a reliable digital presence.

Observability

Deltum Observability

Our backend control room and supervision platform provides real-time uptime monitoring, AI root-cause analysis, deep status checks, automated SLA reports, and multi-channel alerting.

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Web Systems

Web Systems as a Service

We deliver structured websites as complete systems, including hosting and content management, allowing you to manage your content while we take care of the technical foundation.

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Deltum Observability

One control room for every websitestackAPIteamenvironmentwebsite

Give your team a clear operational view of uptime, SSL security, integrations, and incidents across all organizations and environments.

Deltum Observability helps teams and agencies run digital operations with confidence: fewer surprises, faster response times, and cleaner workflows for everyday maintenance.

Open ObservabilityExplore Observability details
app.deltum.io/observability
Δ deltumConsole
Operational

SLA & Uptime

99.98%

p95 Latency

24ms

Target: <50ms

AI SRE Diagnostics

Optimal

0 Active Incidents

ACTIVE CHECKSPolling every 1m
  • production-apiapi.deltum.io • REST API
    24ms200 OK
  • postgresql-clusterdb.deltum.io:5432 • Write/Read
    4msConnected
  • ssl-certificatedeltum.io • SSL check
    ValidSecured
SSL CERTIFICATES3 Valid
  • api.deltum.ioLet's Encrypt • TLS 1.3
    Valid
    Days until expiry:74d
  • app.deltum.ioCloudflare Inc ECC CA-3 • TLS 1.3
    Valid
    Days until expiry:182d
  • status.deltum.ioLet's Encrypt • TLS 1.3
    Valid
    Days until expiry:61d
PUBLIC STATUS PAGES+ Create
  • Deltum Statusstatus.deltum.io • Public
    Operational
  • Client API Statusstatus.client-stack.com • Protected
    Operational

Designed for operators, developers, and account teams

Key platform capabilities

AI Diagnostics

AI SRE Root Cause Analysis

Automated Gemini-powered diagnostics detect failure patterns, isolate degradation causes, and propose immediate runbook mitigation steps.

Telemetry

Telemetry & Latency Heatmaps

Track p50, p95, and p99 latency percentiles, 24x7 failure distribution heatmaps, and sub-second endpoint response times.

SLA Reports

SLA Reports & Error Budgets

Generate automated uptime reports with MTTR/MTBF metrics and error budget consumption, exportable to branded PDF, Excel, and CSV.

Alerting

Omnichannel Alerts & Webhooks

Dispatch critical incidents instantly via Slack, Telegram bot, HTML Email, or HMAC-signed webhooks with custom quiet hours and snooze rules.

Deep Checks

Deep Multi-Target Checks

Continuous active verification of REST APIs, PostgreSQL read/write clusters, SSL/TLS certificate validity, and response latency.

Status & Topology

Custom Status Pages & Topology

Publish custom-domain status pages with scheduled maintenance banners and map dependencies across universes and planets.

Live product walkthrough

A quick look at how teams run day-to-day operations with Deltum Observability.

Feature Focus

Real-time dashboard

Live operational overview of active clients, websites, environments, and sub-second health checks.

app.deltum.io/observability
Organizations
32
Active Probes
128
Global SLA
99.98%

Cluster Context

PROD - eu-west-production

Supervisor State

Healthy

Active Probe Feeds

Live (1m)
ProbeLatencyStatus
API Gateway /health18ms200 OK
PostgreSQL Primary Pool3msConnected
SSL/TLS Certificate *.io84d leftValid

Feature Focus

Telemetry & Analytics

Deep performance telemetry tracking p50, p95, and p99 response times alongside 24x7 failure distribution heatmaps.

app.deltum.io/observability
Telemetry & PercentilesProduction Latency Distribution
Sub-50ms SLA

p50 (Median)

18ms

Optimal

p95 (Target)

24ms

<50ms target

p99 (Peak)

48ms

Zero spike
24h Latency Profile (avg 21ms)99.98% in SLA
24x7 Failure Heatmap
0 Errors

Feature Focus

AI Root Cause Diagnostics

Automated Gemini diagnostics correlate error logs and latency spikes to isolate failure origins and generate mitigation runbooks.

app.deltum.io/observability
Gemini AI SRE CoreRoot Cause Isolation
98% Confidence
504 TimeoutPOST /api/v2/orders
14:02 UTC

Root Cause: PostgreSQL pool exhaustion (50/50 max conn) during batch sync.

Mitigation: PgBouncer scaled to 120 connRunbook Executed

Suggested Runbook & Remediation

Isolate slow database transactions on replicaApplied
Throttle bulk background jobs to 10 req/sActive

Feature Focus

SLA Reports & Error Budgets

Generate automated SLA compliance audits, MTTR/MTBF metrics, and error budget consumption with PDF, Excel, and CSV exports.

app.deltum.io/observability
SLA & Reliability AuditMonthly SLA Compliance Report
PDFExcelCSV

Target SLA

99.90%

99.98% Actual

MTTR

4.2m

Mean Time Repair

MTBF

718.5h

Mean Time Failure
Error Budget Remaining86.2% (37m 14s)
Allowed downtime: 43m 12s / moConsumed: 5m 58s
Automated delivery scheduled monthlyExport Signed PDF

Feature Focus

Omnichannel Alerts & Webhooks

Dispatch critical incident alerts instantly via Slack, Telegram bot, HTML Email, and HMAC-signed webhooks with custom quiet hours.

app.deltum.io/observability
Incident RoutingOmnichannel Alerts & Webhooks
4 Active Channels

Telegram Bot (@deltum_ops_bot)

Direct 1-click group sync • Instant push

Active

Slack Channel (#ops-alerts)

Incoming webhook • Instant thread alerts

Active

Secure Webhooks (HMAC-SHA256)

https://hooks.client.com/ops • 200 OK (24ms)

Active

Email Dispatch (HTML Digest)

sre-team@deltum.io • P1, P2 escalations

Active
Quiet Hours: 22:00 - 07:00 (P1 bypass enabled)Flapping Muted

Feature Focus

Granular Scope-Based RBAC

Control user and team access with strict multi-tenant data boundaries and fine-grained scope permissions.

app.deltum.io/observability
Security & RolesScope-Based Authorization (RBAC)
Granular RBAC
Alex MercerLead SRE
telemetry:readai:diagnoseprobes:*
Elena RostovaClient Account Manager
status-pages:writereports:export

Scope Restrictions (Client Manager)

Export monthly SLA reports & PDF audits
Manage and publish custom status pages
Rotate webhook signing secret

Feature Focus

Public Status Pages

Publish custom-domain status dashboards with component health bars, historical uptime, and scheduled maintenance notices.

app.deltum.io/observability
Status Page Enginestatus.deltum.io / status.client.com
Published
All Systems OperationalContinuous multi-probe telemetry active
System Component90-Day Uptime
  • Production REST API Gateway
    100.0%
  • PostgreSQL High-Availability Cluster
    99.98%
  • Storage & Asset Delivery CDN
    100.0%
Next maintenance: Oct 12, 02:00 UTCZero-Downtime
Explore Observability detailsOpen Observability

Web Systems as a Service

Complete high-performance websites built with Astro, Directus CMS, European hosting, and modular blocks.

We don't sell static templates. We engineer managed web systems with multi-language support, custom block builders, and continuous long-term care.

Astro Framework100/100 Speed

Astro Framework Engine

Built on Astro 7 island architecture. Zero client-side JavaScript by default guarantees sub-200ms page load times and maximum SEO authority.

Bundle Size: 0.2 KBLighthouse: 100%
Flag of Europe
GDPR Shield

EU Data Residency

100% European hosting infrastructure. All site data, assets, and backups reside exclusively inside ISO-27001 certified EU datacenters.

Compliance: EU GDPRSecurity: ISO-27001
Directus CMSBlock Builder

Directus Headless CMS

Modular block-based editor empowering non-technical team members to construct, edit, and reorganize content effortlessly with zero vendor lock-in.

Editor: Visual Blocksi18n Multi-locale
Engineered Digital Systems

Explore the Full Web Systems Architecture

Discover our interactive framework performance benchmarks, European infrastructure details, style explorer presets, and custom pricing estimator.

Multi-locale (EN/ES/CA)Block ConstructorStyle ExplorerInteractive Estimator
Explore Web Systems Details→

How systems evolve

A clear and deliberate process focused on stability, clarity, and continuous improvement.

Talk to us
01

Understand

We study your context, goals, and constraints before shaping any technical solution.

02

Design

We define the structure of the system with clarity, performance, and growth in mind.

03

Build

We implement and stabilize the system as a reliable foundation.

04

Evolve

We maintain, improve, and adapt the system as needs change over time.

Built with performance in mind

Our systems are built to be fast, accessible, and technically sound, providing a reliable foundation for long-term search visibility through solid engineering practices.

100
Performance
100
Accessibility
100
Best Practices
100
SEO

Example performance results measured on this website

Measured with Google PageSpeed Insights

Questions

Clear answers to the questions that usually come up before starting.

What exactly do you provide?

We provide complete web systems as a service: architecture, implementation, hosting, and ongoing operation. The goal is not only launching a website, but keeping it stable, measurable, and easy to evolve.

Can I manage the content myself?

Yes. If your workflow benefits from content editing autonomy, we include a CMS setup and permissions. If not, we can keep the stack lightweight and handle updates with a simpler operational flow.

Do you only work with templates?

No. When a structured starting point makes sense, we use our own internally developed templates, designed with the same care and long-term principles as our custom systems. When requirements go beyond that, we build fully custom solutions.

Is Deltum Observability included after launch?

For projects that require active operation, yes. Deltum Observability centralizes environment status, endpoint telemetry, integrations, and incidents so your team can operate from one control room.

How do alerts work in the platform?

Critical events such as downtime, integration failures, or crash spikes can trigger real-time alerts. Notifications are routed instantly across Slack, Telegram, Email, and HMAC-signed Webhooks so teams can react quickly.

Which integrations are available today?

We start with the integrations that provide immediate operational value for your stack and expand from there. The platform is designed so new providers can be added progressively without disrupting your workflow.

Do you offer SEO and digital presence support?

Yes. We support visibility and digital presence as part of the system, including search optimization and essential online profiles when needed.

What happens after the website is launched?

We stay involved through operation and evolution. Maintenance, updates, alerting, and continuous improvements are part of the service so the system remains reliable as business needs change.

Start with a conversation

Tell us about your project or existing system, and we'll help you decide the best next step.

Get in touchRead about our values