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guardanthealth.com

https://guardanthealth.com· First analyzed 13 May 2026· Updated 13 May 2026
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guardanthealth.com
Desktop screenshot of guardanthealth.com
Mobile screenshot of guardanthealth.com
Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)
aws.amazon.com

IP Address

52.32.241.145

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Portland, United States

ASN

AS16509

Organization

AWS EC2 (us-west-2)

Server

Apache

Nameservers

ns-2043.awsdns-63.co.uk.ns-284.awsdns-35.com.ns-730.awsdns-27.net.ns-1044.awsdns-02.org.

Performance

97

Core Web Vitals

Weight

First Contentful Paint
1.0 s10%
Speed Index
1.3 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
6 MB
58 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv6.9.4
cms
PicoStrap Childv1.0.1Custom
by LiveCanvas
View Theme

Technology Stack

22 Technologies Detected

Plugins

7
Webtoffee Cookie ConsentLivecanvasReal Time Auto Find And Replace
Gravity Forms
Gravityformsrecaptcha
Yoast SEO
Gravity Forms

Other

3
GSAPAOS (Animate On Scroll)ScrollMagic

Analytics

3
Google Analytics
Google Analytics 4
Microsoft Clarity

Libraries

2
jQueryv3.7.1
AOS

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Advertising

1
LinkedIn Ads

Social

1
ShareThis

Web Servers

1
Apache

Security

1
reCAPTCHA

SEO Analysis

A84/100
24
6
0
Meta Tags14/15
Content10/12
Headings6/8
Technical24/25
E-E-A-T2/7
Images4/7
Links5/5
URL5/5
Social4/5
Freshness4/4
Mobile3/4
Indexability3/3
G
guardanthealth.comguardanthealth.com

Guardant Health | Conquering Cancer With Data

Guardant Health is a leading precision medicine company focused on transforming patient care and conquering cancer with data.

Title Length45 chars

Recommended: 50-60 chars (~275px / 580px)

Description Length125 chars

Recommended: 120-160 chars

Issues (0)

    6 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    8 URLs

    8 sub-sitemaps

    robots.txt

    3 rules

    Sitemap reference found

    Allows all crawlers

    Local SEO

    Local Search Readiness

    22/100
    Needs Work
    6 11

    Sponsored

    AI & LLM Readiness

    D59/100
    Bot Access
    20/25
    Machine Read.
    12/25
    Schema Data
    8/25
    Citation
    19/25

    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
    nav
    Text ratio:5%
    Words:1,367
    Token eff.:Optimal
    Depth:1/5

    Structured Data

    5 JSON-LD
    Organization×1.1WebSiteBreadcrumbListSearchAction
    sameAs entity links

    Citation Readiness

    Opening Summary54w
    Descriptive Headingsavg 6w
    Canonical URL
    Open Graph3/3
    Twitter Card2/3
    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
    83/100
    15
    Passed
    0
    Critical
    1
    Warnings
    Images & Alt Text
    20/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    20/20
    Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
    Forms & Inputs
    5/15
    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
    15/15
    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.
    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.
    45/100
    F
    618 mg
    CO₂e / view
    6.0 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    706 mg
    vs
    Returning (cached)
    353 mg
    Annual (10K/mo)
    74.1 kg
    Emission Segments
    Data Center
    30 mg
    Network
    182 mg
    Device
    406 mg
    Resource Breakdown
    JavaScript
    551.7 KB
    Images
    269.2 KB
    CSS
    136.6 KB
    Fonts
    721 B
    HTML
    32.5 KB
    Other
    5.0 MB
    Green Hosting Verified
    Amazon Web Services (AWS)
    Provider Match
    6 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    B

    Security Score

    71%Good
    Static / Informational

    HTTPS

    No WAF

    182d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Amazon

    Key Algorithm

    ECDSA (secp256r1) (256 bit)

    Signature

    ECDSA with SHA-256

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    13.10.2025

    Valid Until

    11.11.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    guardanthealth.comwww.guardanthealth.com

    SHA-256 Fingerprint

    C0:38:3B:5D:99:F1:9C:09:31:DC:BC:8E:71:11:A5:9D:79:7C:A7:E3...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    content-encoding
    📦 Gzip(gzip)
    content-length
    33014
    content-type
    text/html; charset=UTF-8
    date
    Wed, 13 May 2026 10:01:18 GMT
    link
    <https://guardanthealth.com/>; rel=shortlink
    server
    Apache
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (1)

    guardanthealth-com.mail.protection.outlook.com

    Domain Information

    guardanthealth.com

    Domain Age
    14y 8m

    Created

    23.08.2011

    Expires

    23.08.2026

    Last Updated

    19.07.2025

    Registrar

    Amazon Registrar, Inc.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    CookieYes

    Cookie Consent Banner
    CookieYes
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: CookieYes
    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
    78/100
    Mobile Friendly50 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

    DM Sans

    WCAG AA
    61/100
    Readability
    /30
    16/30

    18px · LH 1.89

    Hierarchy
    /20
    10/20

    5.56x ratio

    WCAG
    /25
    15/25

    4.77:1 min contrast

    Performance
    /25
    20/25

    1 font · 1 req

    Heading Font

    DM Sans

    Sans100px

    Body Font

    DM Sans

    Sans18px

    Contrast Ratio

    4.77:1

    WCAG AA (≥4.5:1)

    Reading Comfort

    ~79 CPL

    Wide lines
    100px
    h1
    40px
    h2
    40px
    h3
    26px
    h4
    18px
    p

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

    ⚠️ Wide line spacing (1.89). 1.4–1.6 is optimal for body text.

    ⚠️ Wide lines: ~79 chars/line. Use max-width: 65ch for comfortable reading.

    ❌ Very complex text: Flesch score 23/100. Consider shorter sentences and simpler words.

    ✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 4.8:1).

    ❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

    GGoogle FontsFlesch 23

    Color Palette

    10 unique colors
    Light
    #ffffff
    Background· 25.400000000000002%
    #042c51
    Accent· 19.299999999999997%
    #29213d
    Secondary· 15.1%
    #4078a3
    Secondary· 9.6%
    #2c5c86
    Accent· 7.3%
    #293c61
    Primary· 7.2%
    #4a638a
    Secondary· 5.9%
    #8c98ad
    Secondary· 3.9%

    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

    26 Resources

    20
    Scripts
    6
    Styles
    5
    Async
    0
    Defer

    Top Script Sources

    guardanthealth.com(15)googletagmanager.com(3)gstatic.com(1)bugherd.com(1)

    Website Identity

    Guardant Health

    Guardant Health

    Organization

    Guardant Health is a leading precision medicine company focused on transforming patient care and conquering cancer with data.

    855-698-8887
    10.245.56.30/
    14 years old
    Location detected: 🇺🇸 United Statesvia ip
    Amazon Registrar, Inc.📧 Microsoft 365en-US

    Sponsored

    Last analyzed: 13 May 2026 at 10:01

    Historical Analysis & Change Tracking