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calendar.com

https://calendar.com· First analyzed 28 Apr 2026· Updated 28 Apr 2026
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calendar.com
Desktop screenshot of calendar.com
Mobile screenshot of calendar.com
Mobile

Sponsored

Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.26.5.183

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ruth.ns.cloudflare.com.mitch.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
377 ms10%
Speed Index
490 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
693 KB
62 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Hybrid
⚡ SSG
Frontend
Framework
Gatsbyv4.25.9
Styling
Tailwind CSS
CMS
WordPress
Infrastructure
Platform
AWS CloudFront
CDN
Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

11 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Frameworks

1
Angular

Meta Frameworks

1
Gatsby

Other

1
AOS (Animate On Scroll)

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

CDN

1
Cloudflare

Plugins

1
WooCommerce

SEO Analysis

B75/100
22
7
0
Meta Tags15/15
Content8/12
Headings6/8
Technical20/25
E-E-A-T0/7
Images5/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile3/4
Indexability3/3
C
calendar.comcalendar.com

Calendar: Team Scheduling Software & Online Calendar App

Calendar app is an online calendar and team scheduling software for people like me and you. We make it easy to schedule appointments on your calendar.

Title Length56 chars

Recommended: 50-60 chars (~340px / 580px)

Description Length150 chars

Recommended: 120-160 chars

Issues (0)

    7 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    1,000 URLs

    robots.txt

    4 rules

    Local SEO

    Local Search Readiness

    10/100
    Poor
    3 13 1

    This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

    Sponsored

    AI & LLM Readiness

    D43/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    2/25
    Citation
    9/25

    AI Bot Access

    14/14 accessible
    AI Search
    OAI-SearchBot
    PerplexityBot
    Claude-SearchBot
    Gemini-Deep-Research
    DuckAssistBot
    Training
    GPTBot
    ClaudeBot
    Google-Extended
    Meta-ExternalAgent
    Bytespiderinfo
    Amazonbot
    Applebot-Extended
    CCBotinfo
    Fetch
    ChatGPT-User

    Machine Readability

    llms.txtinvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:6%
    Words:2,828
    Token eff.:Optimal

    Structured Data

    1 JSON-LD
    WebSite

    Citation Readiness

    Opening Summary
    Descriptive Headingsavg 3.7w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (12)
    AI readiness recommendation preview...
    Upgrade to view recommendations

    Sponsored

    Accessibility

    WCAG 2.1 Compliance

    Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
    C
    65/100
    10
    Passed
    5
    Critical
    3
    Warnings
    Images & Alt Text
    18/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    13/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    3/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    14/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    11/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    6/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 recommendations
    • •Accessibility recommendation preview...
    Upgrade to view recommendations

    Carbon Footprint

    SWDM v4 · Eco-Score

    Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
    73/100
    A
    70 mg
    CO₂e / view
    693.3 KB
    Page Weight
    80%
    Cleaner Than
    New Visitor
    80 mg
    vs
    Returning (cached)
    40 mg
    Annual (10K/mo)
    8.4 kg
    Emission Segments
    Data Center
    3 mg
    Network
    21 mg
    Device
    46 mg
    Resource Breakdown
    JavaScript
    271.4 KB
    Images
    297.7 KB
    CSS
    2.1 KB
    HTML
    34.6 KB
    Other
    87.6 KB
    Green Hosting Verified
    Cloudflare
    GWF Verified
    3 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    0%Critical
    Critical / Transactional

    HTTPS

    WAF

    67d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Google Trust Services

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-256

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    06.04.2026

    Valid Until

    05.07.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    calendar.com*.calendar.com

    SHA-256 Fingerprint

    E2:FA:31:16:EC:98:FA:89:72:39:AA:68:A1:F2:C7:20:A0:EA:FD:DC...

    Top Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    age
    54088
    cf-cache-status
    DYNAMIC
    cf-ray
    9f397d8319737a38-EWR
    content-encoding
    ⚡ Brotli(br)
    content-type
    text/html
    date
    Tue, 28 Apr 2026 22:26:44 GMT
    Good Warning Issue

    Email Infrastructure

    Google Workspace

    Score

    90

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (5)

    alt2.aspmx.l.google.com
    aspmx.l.google.com
    alt3.aspmx.l.google.com
    alt4.aspmx.l.google.com

    +1 more

    Domain Information

    calendar.com

    Domain Age
    27 years

    Created

    03.05.1999

    Expires

    03.05.2033

    Last Updated

    12.09.2024

    Registrar

    Register.com - Network Solutions, LLC

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    Privacy policy page linked

    Mobile Compatibility

    Viewport & Responsive Test

    Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
    A
    86/100
    Mobile Friendly14 breakpoints
    Viewport Meta
    The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
    Responsive Design
    Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
    Touch Icons
    Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
    Readable Font Size
    Base font size should be at least 16px on mobile to ensure text is readable without zooming.
    Relative Units
    Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
    No H-Scroll Risk
    No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
    Tap Targets OK
    Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
    No Fixed Widths
    No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
    Viewport
    width=device-width, initial-scale=1, shrink-to-fit=no
    1 recommendation
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Open Sans

    WCAG Partial
    70/100
    Readability
    /30
    22/30

    16px · LH 1.50

    Hierarchy
    /20
    16/20

    3x ratio · ✓ H1→H6

    WCAG
    /25
    17/25

    2.54:1 min contrast

    Performance
    /25
    15/25

    1 font · 1 req

    Heading Font

    Open Sans

    Sans48px

    Body Font

    Open Sans

    Sans16px

    Contrast Ratio

    2.54:1

    14 issues

    Reading Comfort

    ~36 CPL

    Narrow lines
    48px
    h1
    30px
    h2
    30px
    h3
    30px
    h4
    16px
    p

    ✅ Excellent readability: 16px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

    ⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 2.5:1).

    ✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

    ✅ Strong hierarchy: Headlines are 3.0x larger than body text.

    ✅ Lean font stack: 1 font families keeps load times fast.

    Buy on MyFontsFlesch 62

    Color Palette

    4 unique colors
    3.83:1 AA Large Light
    #c8c9c8
    Other· 3.9%
    #5e5e6d
    Other· 3.5%
    #f9f9fb
    Primary· 87.60000000000001%
    #eaeaee
    Border· 4.9%

    Business & Marketing Stack

    3 Tools Detected

    Advanced

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    Affiliate & Partnerships

    1
    PartnerStackMid-Market

    Affiliate networks and partner tracking

    2

    Categories

    3

    Total Tools

    0

    Enterprise

    1

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Sponsored

    Scripts & Styles

    17 Resources

    17
    Scripts
    0
    Styles
    14
    Async
    2
    Defer

    Top Script Sources

    local(5)googletagmanager.com(3)accounts.google.com(2)gstatic.com(1)js.partnerstack.com(1)

    Website Identity

    Calendar

    www.calendar.com/
    27 years old
    Location detected: 🇨🇦 Canadavia ip
    Register.com - Network Solutions, LLC📧 Google Workspaceen

    Sponsored

    Last analyzed: 28 Apr 2026 at 22:27

    Historical Analysis & Change Tracking