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linearb.io

https://linearb.io· First analyzed 24 May 2026· Updated 24 May 2026
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linearb.io
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Mobile screenshot of linearb.io
Mobile

Sponsored

Hosting Provider

Vercel
vercel.com

IP Address

64.239.123.1

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Walnut, United States

ASN

AS16509

Organization

Vercel, Inc

Server

Vercel

Nameservers

ns3sxz.name.com.ns4bty.name.com.ns1lmy.name.com.ns2btz.name.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
666 ms10%
Speed Index
866 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.5 MB
80 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Hybrid
⚡ SSG
Frontend
Framework
Next.js
CMS
Substack
Infrastructure
Platform
Vercel

Technology Stack

18 Technologies Detected

Analytics

6
Google Analytics
Google Analytics 4
Facebook PixelHeap AnalyticsLucky OrangeHeap

CSS Frameworks

3
Tailwind CSS
Chakra UIAnt Design

Advertising

3
Twitter AdsLinkedIn AdsMicrosoft Advertising

Frameworks

1
React

Meta Frameworks

1
Next.js

Other

1
Lottie

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Platforms

1
Vercel

SEO Analysis

B76/100
22
6
0
Meta Tags13/15
Content5/12
Headings8/8
Technical22/25
E-E-A-T2/7
Images6/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile3/4
Indexability3/3
L
linearb.iolinearb.io

LinearB | The AI productivity platform for engineering leaders

LinearB is an AI productivity platform that helps enterprises define exactly how code is brought to production and maximizes the efficiency of their engineer...

Description truncated.
Title Length62 chars

Recommended: 50-60 chars (~367px / 580px)

Description Length175 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: standard

    994 URLs

    robots.txt

    5 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    17/100
    Poor
    5 13

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

    Sponsored

    AI & LLM Readiness

    D44/100
    Bot Access
    20/25
    Machine Read.
    13/25
    Schema Data
    3/25
    Citation
    8/25

    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.txtvalid
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    Text ratio:0%
    Words:809
    Token eff.:Optimal

    Structured Data

    1 JSON-LD
    Organization×1.1
    sameAs entity links

    Citation Readiness

    Opening Summary
    Descriptive Headings
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (11)
    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
    76/100
    12
    Passed
    4
    Critical
    0
    Warnings
    Images & Alt Text
    18/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    10/20
    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
    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
    8/15
    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.
    48/100
    D
    256 mg
    CO₂e / view
    2.5 MB
    Page Weight
    30%
    Cleaner Than
    New Visitor
    293 mg
    vs
    Returning (cached)
    146 mg
    Annual (10K/mo)
    30.7 kg
    Emission Segments
    Data Center
    13 mg
    Network
    75 mg
    Device
    168 mg
    Resource Breakdown
    JavaScript
    421.3 KB
    CSS
    46.3 KB
    Fonts
    142.0 KB
    HTML
    504.4 KB
    Other
    1.4 MB
    Green Hosting Verified
    Vercel
    Provider Match
    4 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    A+

    Security Score

    91%Excellent
    Static / Informational

    HTTPS

    No WAF

    55d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    20.04.2026

    Valid Until

    19.07.2026

    Subject Alternative Names (1)

    linearb.io

    SHA-256 Fingerprint

    4F:84:69:80:A7:BE:DF:5F:19:D0:36:BF:39:FC:A5:82:E1:B8:1C:D0...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    age
    56689
    cache-control
    🟡 0s(public, max-age=0, must-revalidate)
    content-encoding
    ⚡ Brotli(br)
    content-type
    text/html; charset=utf-8
    date
    Sat, 23 May 2026 01:12:34 GMT
    etag
    W/"7fb2o4yeki2rq91"
    Good Warning Issue

    Email Infrastructure

    Google Workspace

    Score

    93

    SPF
    DKIM
    DMARC

    DMARC Policy

    Quarantine (Moderate)

    MX Records (5)

    aspmx2.googlemail.com
    aspmx3.googlemail.com
    alt1.aspmx.l.google.com
    alt2.aspmx.l.google.com

    +1 more

    Domain Information

    linearb.io

    Domain Age
    8 years

    Created

    26.05.2018

    Expires

    26.05.2027

    Last Updated

    06.05.2026

    Registrar

    Name.com, Inc.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Osano

    Cookie Consent Banner
    Osano
    Privacy Policy
    Terms of Service

    GDPR Indicators

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

    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.
    B
    72/100
    Mobile Friendly345 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
    2 recommendations
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    __Outfit_ed3508 + __Roboto_3b6de7

    WCAG Partial
    68/100
    Readability
    /30
    19/30

    32px · LH 1.25

    Hierarchy
    /20
    19/20

    2x ratio · ✓ H1→H6

    WCAG
    /25
    16/25

    1:1 min contrast

    Performance
    /25
    14/25

    System fonts

    Heading Font

    __Outfit_ed3508

    Sans64px

    Body Font

    __Roboto_3b6de7

    Sans32px

    Contrast Ratio

    1:1

    18 issues

    Reading Comfort

    Dual Sans-Serif

    left aligned
    64px
    h1
    88px
    h2
    32px
    h3
    32px
    p

    ✅ Excellent readability: 32px body text is ideal for all devices.

    ⚠️ Tight line spacing (1.25). Increase to 1.4–1.6 for better readability.

    ⚠️ Hard to read: Flesch score 32/100. Simplify sentences for wider reach.

    ⚠️ Partial contrast: 18 elements below WCAG AA threshold (min 1.0:1).

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

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

    Buy on MyFontsFlesch 32

    Color Palette

    10 unique colors
    21:1 AAA Light
    #ffffff
    Background· 61.7%
    #000000
    Text· 12.1%
    #00322f
    Primary· 6.8%
    #77639e
    Secondary· 4.5%
    #031312
    Accent· 1.2%

    Business & Marketing Stack

    9 Tools Detected

    Enterprise

    Marketing Automation

    1
    MarketoEnterprise

    Email marketing and automation platforms

    Behavior Analytics

    3
    Google Tag ManagerFree
    Google AnalyticsFree
    HeapMid-Market

    User behavior and product analytics

    Advertising

    5
    Facebook PixelMid-Market
    Twitter/X AdsMid-Market
    LinkedIn AdsEnterprise
    Microsoft AdsEnterprise
    Reddit PixelMid-Market

    Ad platforms and retargeting pixels

    3

    Categories

    9

    Total Tools

    3

    Enterprise

    4

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    21 Resources

    20
    Scripts
    1
    Styles
    10
    Async
    10
    Defer

    Top Script Sources

    local(10)googletagmanager.com(2)cdn.bizible.com(1)munchkin.marketo.net(1)cdn.heapanalytics.com(1)

    Website Identity

    LinearB

    LinearB

    Organization

    LinearB is an AI productivity platform that helps enterprises define exactly how code is brought to production and maximizes the efficiency of their engineering organizations.

    8 years old
    Location detected: 🇺🇸 United Statesvia ip
    Name.com, Inc.📧 Google Workspaceen

    Sponsored

    Last analyzed: 24 May 2026 at 16:59

    Historical Analysis & Change Tracking