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nagios.org

https://nagios.org· First analyzed 19 Feb 2026· Updated 19 Feb 2026
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nagios.org

Sponsored

Hosting Provider

linode.com

IP Address

45.79.21.111

Server Location

🇺🇸 Richardson, United States

ASN

AS63949

Organization

Linode

Server

Apache

CDN

Cloudflare

WAF

Cloudflare

Nameservers

greg.ns.cloudflare.com.pearl.ns.cloudflare.com.

Performance

Page Speed

373 KB
96 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv6.9.1
cms
Hello Elementorv3.4.6
by Elementor Team
View Theme

SEO Analysis

A82/100
11
2
0
N
nagios.orgnagios.org

Nagios | Open Source Network Monitoring Solution

Free open source IT monitoring tool with Nagios Core. 25+ years of monitoring servers, networks, applications, and infrastructure. Trusted by 1m+ users world...

Description truncated.
Title Length48 chars

Recommended: 50-60 chars

Description Length162 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap

    Type: index

    3 URLs

    robots.txt

    5 rules

    Sitemap reference found

    Sponsored

    Sponsored

    F

    Security Score

    21%Critical
    Interactive

    HTTPS

    No WAF

    234d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Sectigo Limited

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    10.09.2025

    Valid Until

    11.10.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    *.nagios.orgnagios.org

    SHA-256 Fingerprint

    04:48:B0:4F:A1:B4:DC:89:8C:B8:B2:BD:5B:BA:6C:1F:03:7F:C4:62...

    Top Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    cache-control
    🟢 1 Month(max-age=2592000)
    content-encoding
    📦 Gzip(gzip)
    content-length
    35064
    content-type
    text/html; charset=UTF-8
    date
    Thu, 19 Feb 2026 13:59:11 GMT
    expires
    Sat, 21 Mar 2026 13:59:11 GMT
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    90

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    nagios-org.mail.protection.outlook.com

    Domain Information

    nagios.org

    Domain Age
    24y 9m

    Created

    03.05.2001

    Expires

    03.05.2032

    Last Updated

    20.06.2025

    Registrar

    eNom, LLC

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    Privacy policy page linked
    Data Protection Officer mentioned

    Typography & Readability

    Roboto + Geist

    95/100
    Readability
    /30
    40/40

    18px · LH 1.70

    Hierarchy
    /20
    25/25

    2.22x ratio

    WCAG
    /25
    15/15

    Contrast: undefined

    Performance
    /25
    20/20

    System fonts

    Heading Font

    Roboto

    Sans40px

    Body Font

    Geist

    Sans18px

    Contrast Ratio

    --

    Reading Comfort

    ~35 CPL

    Needs attention
    40px
    h1
    20px
    h2
    18px
    h3
    18px
    h4
    18px
    p

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.70 ratio ensures comfortable reading.

    ✅ Strong hierarchy: Headlines are 2.2x larger than body text.

    ✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

    ✅ Smart font loading: Using font-display: swap prevents invisible text during load.

    ✅ Protected text on images: Using gradient for readability.

    Business & Marketing Stack

    9 Tools Detected

    Enterprise

    CRM Systems

    1

    Customer Relationship Management platforms

    Behavior Analytics

    4

    User behavior and product analytics

    Advertising

    3

    Ad platforms and retargeting pixels

    Privacy & Cookies

    1

    Cookie consent and privacy compliance tools

    4

    Categories

    9

    Total Tools

    4

    Enterprise

    0

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    28 Resources

    20
    Scripts
    8
    Styles
    9
    Async
    2
    Defer

    Top Script Sources

    nagios.org(4)go.nagios.org(3)cdn-cookieyes.com(3)googletagmanager.com(3)bat.bing.com(2)

    Sponsored

    Last analyzed: 19 Feb 2026 at 14:20

    Historical Analysis & Change Tracking