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lahey.org

https://lahey.org· First analyzed 10 May 2026· Updated 10 May 2026
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lahey.org
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Mobile screenshot of lahey.org
Mobile

Sponsored

Hosting Provider

Longwood Medical and Academic Area

IP Address

134.174.105.30

Site Location

🇺🇸 Burlington, United Statesvia schema_nap

Server Location

🇺🇸 Boston, United States

ASN

AS40127

Organization

Longwood Medical and Academic Area

Nameservers

ns4.bilh.org.ns1.bilh.org.ns2.bilh.org.ns3.bilh.org.

Performance

81

Core Web Vitals

Weight

First Contentful Paint
2.2 s10%
Speed Index
2.8 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3.8 MB
52 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Longwood Medical and Academic Area

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Fonts

3
Google FontsAdobe Fonts (Typekit)Adobe Fonts

Other

1
lazysizes

CSS Frameworks

1
Tailwind CSS

Analytics

1
Google Analytics

Tag Managers

1
Google Tag Manager

SEO Analysis

B75/100
22
4
0
Meta Tags14/15
Content12/12
Headings8/8
Technical16/21
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile4/4
Indexability3/3
L
lahey.orglahey.org

Lahey Hospital & Medical Center | Lahey Hospital & Medical Center

Lahey Hospital & Medical Center, part of Beth Israel Lahey Health, provides specialty and primary care services in Burlington, Massachusetts. Call 781-744-5100.

Title Length65 chars

Recommended: 50-60 chars (~388px / 580px)

Description Length160 chars

Recommended: 120-160 chars

Issues (0)

    4 issues found

    Upgrade to view details

    Local SEO

    Local Search Readiness

    36/100
    Needs Work
    12 10 1

    Sponsored

    AI & LLM Readiness

    D50/100
    Bot Access
    20/25
    Machine Read.
    11/25
    Schema Data
    3/25
    Citation
    16/25

    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
    data-nosnippet

    Machine Readability

    llms.txt
    llms-full.txt
    Semantic HTML
    Heading Hierarchy
    nav
    Text ratio:3%
    Words:900
    Token eff.:Optimal
    Sections/1K:16.7
    Depth:1/5

    Structured Data

    2 JSON-LD
    WebSiteSearchAction

    Citation Readiness

    Opening Summary40w
    Descriptive Headingsavg 3w
    Canonical URL
    Open Graph3/3
    Twitter Card3/3
    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.
    A
    82/100
    13
    Passed
    2
    Critical
    1
    Warnings
    Images & Alt Text
    15/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    17/20
    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
    13/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    7/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    1 recommendation
    • •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.
    27/100
    F
    486 mg
    CO₂e / view
    3.8 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    555 mg
    vs
    Returning (cached)
    278 mg
    Annual (10K/mo)
    58.3 kg
    Emission Segments
    Data Center
    109 mg
    Network
    117 mg
    Device
    261 mg
    Resource Breakdown
    JavaScript
    251.1 KB
    Images
    2.0 MB
    CSS
    1.3 MB
    HTML
    17.3 KB
    Other
    213.9 KB
    Green Hosting Not Verified
    Longwood Medical and Academic Area
    7 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    F

    Security Score

    52%Critical

    No SSL

    No WAF

    N/A

    Upgrade to view header details

    HTTP Headers

    Developer Console

    cache-control
    🔴 No Cache(no-cache, no-store)
    content-encoding
    📦 Gzip(gzip)
    content-security-policy
    default-src 'self' https://static.formstack.com; connect-src...
    content-type
    text/html; charset=utf-8
    cteonnt-length
    132464
    date
    Sun, 10 May 2026 06:38:10 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    90

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (2)

    mxb-0016f601.gslb.pphosted.com
    mxa-0016f601.gslb.pphosted.com

    Domain Information

    lahey.org

    Domain Age
    28y 9m

    Created

    30.07.1997

    Expires

    29.07.2034

    Last Updated

    27.03.2026

    Registrar

    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.
    B
    74/100
    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, initial-scale=1.0
    1 recommendation
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Roboto

    WCAG AA
    79/100
    Readability
    /30
    22/30

    16px · LH 1.60

    Hierarchy
    /20
    16/20

    2.5x ratio · ✓ H1→H6

    WCAG
    /25
    19/25

    4.69:1 min contrast

    Performance
    /25
    22/25

    System fonts

    Heading Font

    Roboto

    Sans40px

    Body Font

    Roboto

    Sans16px

    Contrast Ratio

    4.69:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~39 CPL

    Narrow lines
    40px
    h1
    65px
    h2
    19px
    h3
    16px
    p

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

    ✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

    ❌ Very complex text: Flesch score 12/100. Consider shorter sentences and simpler words.

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 4.7:1).

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

    ✅ Strong hierarchy: Headlines are 2.5x larger than body text.

    AAdobe FontsFlesch 13

    Color Palette

    12 unique colors
    4.75:1 AA Light
    #ffffff
    Background· 36.099999999999994%
    #6d756f
    Other· 4.1%
    #00529b
    Primary· 0%
    #3a3123
    Secondary· 8.7%
    #595142
    Secondary· 7.5%
    #16130d
    Secondary· 5.9%
    #a57f6c
    Secondary· 4.8%
    #1f354e
    Secondary· 4.7%

    Business & Marketing Stack

    2 Tools Detected

    Growing

    Behavior Analytics

    2
    Google Tag ManagerFree
    Google AnalyticsFree

    User behavior and product analytics

    1

    Categories

    2

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    11 Resources

    6
    Scripts
    5
    Styles
    2
    Async
    0
    Defer

    Top Script Sources

    cdn.oursprivacy.com(3)googletagmanager.com(1)cdn.bc0a.com(1)local(1)

    Website Identity

    Lahey Hospital & Medical Center

    Hospital

    Lahey Hospital & Medical Center is a UMass Chan–affiliated academic medical center providing expert heart care and transplant services in Burlington.

    603-742-5011
    lahey.org/
    28 years old

    41 Mall Road, Burlington

    01805, Burlington, MA

    United States

    Location detected: 🇺🇸 United States, Burlingtonvia schema_nap
    Network Solutions, LLCen

    Sponsored

    Last analyzed: 10 May 2026 at 06:38

    Historical Analysis & Change Tracking