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alacritty.org

https://alacritty.org· First analyzed 28 May 2026· Updated 28 May 2026
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alacritty.org
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Hosting Provider

DigitalOcean
digitalocean.com

IP Address

164.92.244.58

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS14061

Organization

DigitalOcean, LLC

Server

Nginx

Nameservers

ns2.digitalocean.com.ns1.digitalocean.com.ns3.digitalocean.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
525 ms10%
Speed Index
682 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
151 KB
6 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
DigitalOcean

Technology Stack

3 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Nginxv1.22.1

SEO Analysis

D54/100
14
9
0
Meta Tags13/15
Content7/12
Headings4/8
Technical9/21
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
A
alacritty.orgalacritty.org

Alacritty - A cross-platform, OpenGL terminal emulator

Alacritty is a modern terminal emulator that comes with sensible defaults, but allows for extensive configuration. By integrating with other applications, ra...

Description truncated.
Title Length54 chars

Recommended: 50-60 chars (~333px / 580px)

Description Length274 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

    Upgrade to view details

    Local SEO

    Local Search Readiness

    0/100
    Poor
    15 2

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

    Sponsored

    AI & LLM Readiness

    F34/100
    Bot Access
    20/25
    Machine Read.
    10/25
    Schema Data
    0/25
    Citation
    4/25

    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.txt
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    nav
    Text ratio:28%
    Words:188
    Token eff.:Too Short
    Depth:1/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary49w
    Descriptive Headings
    Canonical URL
    Open Graph0/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (8)
    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.
    B
    75/100
    9
    Passed
    3
    Critical
    0
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    15/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    15/15
    Verifies form fields have labels, error messages are clear, and inputs are properly associated.
    Color & Contrast
    15/15
    Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
    Keyboard & Focus
    9/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    1/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 recommendations
    • •Accessibility recommendation preview...
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    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.
    77/100
    A+
    15 mg
    CO₂e / view
    150.5 KB
    Page Weight
    95%
    Cleaner Than
    New Visitor
    17 mg
    vs
    Returning (cached)
    9 mg
    Annual (10K/mo)
    1.8 kg
    Emission Segments
    Data Center
    <0.001 g
    Network
    5 mg
    Device
    10 mg
    Resource Breakdown
    Images
    141.2 KB
    CSS
    7.5 KB
    HTML
    1.9 KB
    Green Hosting Verified
    DigitalOcean
    Provider Match
    2 recommendations
    • •Carbon footprint recommendation preview...
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    B

    Security Score

    76%Good
    Static / Informational

    HTTPS

    No WAF

    37d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-384

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/1.1

    Valid From

    05.04.2026

    Valid Until

    04.07.2026

    Subject Alternative Names (3)

    alacritty.orgcatacombing.orgchristianduerr.com

    SHA-256 Fingerprint

    E9:44:F6:D5:83:A3:EB:5C:32:C2:36:EF:06:E3:05:A8:71:DA:57:5C...

    Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    connection
    keep-alive
    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html
    date
    Thu, 28 May 2026 12:57:12 GMT
    etag
    W/"69d52bbe-1265"
    last-modified
    Tue, 07 Apr 2026 16:07:26 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    0

    SPF
    DKIM
    DMARC

    Domain Information

    alacritty.org

    Domain Age
    4y 10m

    Created

    27.07.2021

    Expires

    27.07.2027

    Last Updated

    02.07.2024

    Registrar

    NameCheap, Inc.

    DNSSEC
    Not Enabled

    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.
    D
    52/100
    Mobile Friendly1 breakpoint
    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
    2 recommendations
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    sans-serif

    WCAG Partial
    66/100
    Readability
    /30
    21/30

    16px · LH --

    Hierarchy
    /20
    14/20

    2x ratio

    WCAG
    /25
    17/25

    2.32:1 min contrast

    Performance
    /25
    14/25

    0 fonts

    Heading Font

    sans-serif

    Sans32px

    Body Font

    sans-serif

    Sans16px

    Contrast Ratio

    2.32:1

    13 issues

    Reading Comfort

    ~39 CPL

    Narrow lines
    32px
    h1
    16px
    p

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

    ⚠️ Hard to read: Flesch score 35/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 13 elements below WCAG AA threshold (min 2.3:1).

    ⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 2.0x larger than body text.

    ✅ Lean font stack: 0 font families keeps load times fast.

    Flesch 35

    Color Palette

    3 unique colors
    2.19:1 Fail Dark
    #181818
    Text· 85.6%
    #534f4a
    Other· 2.6%

    Business & Marketing Stack

    1 Tools Detected

    Growing

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    1

    Categories

    1

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    3 Resources

    0
    Scripts
    3
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    Website Identity

    alacritty.org

    4 years old
    Location detected: 🇩🇪 Germanyvia ip
    NameCheap, Inc.

    Social Profiles

    GitHub

    Sponsored

    Last analyzed: 28 May 2026 at 12:57

    Historical Analysis & Change Tracking