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systemsbiology.org

https://systemsbiology.org· First analyzed 28 May 2026· Updated 28 May 2026
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systemsbiology.org
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Mobile

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Hosting Provider

WP Engine
wpengine.com

IP Address

141.193.213.10

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Austin, United States

ASN

AS209242

Organization

WPEngine, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-479.awsdns-59.com.ns-659.awsdns-18.net.ns-1092.awsdns-08.org.ns-1826.awsdns-36.co.uk.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
368 ms10%
Speed Index
478 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
60 KB
41 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
isbscience-themeCustom

Technology Stack

11 Technologies Detected

Plugins

3
TablePress
Zotpress
Yoast SEO

Analytics

2
Google Analytics
Google Analytics 4

Libraries

1
jQueryv3.7.1

Other

1
GSAP

UI Components

1
Slick Carousel

CSS Frameworks

1
Tailwind CSS

Email Marketing

1
Mailchimp

CDN

1
Cloudflare

SEO Analysis

A86/100
28
2
1
Meta Tags14/15
Content3/12
Headings6/8
Technical24/25
E-E-A-T7/7
Images7/7
Links5/5
URL5/5
Social4/5
Freshness4/4
Mobile4/4
Indexability3/3
S
systemsbiology.orgsystemsbiology.org

Home - Institute for Systems Biology (ISB)

Institute for Systems Biology (ISB) is a nonprofit scientific research organization in Seattle. Learn how our science is transforming health.

Title Length42 chars

Recommended: 50-60 chars (~255px / 580px)

Description Length141 chars

Recommended: 120-160 chars

Issues (1)

  • • Very thin content (10 words). Search engines need substantial content for ranking.

3 issues found

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Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

17/100
Poor
5 12

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

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AI & LLM Readiness

D52/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
13/25
Citation
12/25

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
Text ratio:2%
Words:1,253
Token eff.:Optimal

Structured Data

7 JSON-LD
Article×1.2Person×1.3Organization×1.1WebSiteBreadcrumbListSearchAction

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 (10)
AI readiness recommendation preview...
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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
80/100
12
Passed
1
Critical
2
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
16/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
10/15
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
4/15
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.
85/100
A+
6 mg
CO₂e / view
60.4 KB
Page Weight
95%
Cleaner Than
New Visitor
7 mg
vs
Returning (cached)
4 mg
Annual (10K/mo)
732 g
Emission Segments
Data Center
<0.001 g
Network
2 mg
Device
4 mg
Resource Breakdown
HTML
60.4 KB
Green Hosting Verified
Google Cloud
GWF Verified
2 recommendations
  • •Carbon footprint recommendation preview...
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F

Security Score

26%Critical
Interactive

HTTPS

WAF

36d

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/2+H3

Valid From

05.04.2026

Valid Until

04.07.2026

Subject Alternative Names (1)

isbscience.org

SHA-256 Fingerprint

04:09:77:04:ED:F0:80:C2:46:27:C6:B8:98:66:B6:49:AD:95:34:7D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=86400
cache-control
🟡 600s(max-age=600, must-revalidate)
cf-cache-status
DYNAMIC
cf-ray
a02eedb1e8227564-EWR
content-encoding
⚡ Brotli(br)
content-type
text/html; charset=UTF-8
Good Warning Issue

Email Infrastructure

Mimecast

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

usb-smtp-inbound-1.mimecast.com
usb-smtp-inbound-2.mimecast.com

Domain Information

systemsbiology.org

Domain Age
26y 7m

Created

14.10.1999

Expires

14.10.2026

Last Updated

19.09.2025

Registrar

NameCheap, Inc.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

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
81/100
Mobile Friendly69 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
1 recommendation
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Barlow + Inter

WCAG Partial
77/100
Readability
/30
23/30

16px · LH 1.50

Hierarchy
/20
18/20

4.43x ratio

WCAG
/25
18/25

4.49:1 min contrast

Performance
/25
18/25

2 fonts · 4 req

Heading Font

Barlow

Sans71px

Body Font

Inter

Sans16px

Contrast Ratio

4.49:1

4 issues

Reading Comfort

~37 CPL

Narrow lines
71px
h1
57px
h2
28px
h3
16px
p

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

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

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

⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 4.5:1).

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

✅ Strong hierarchy: Headlines are 4.4x larger than body text.

Buy on MyFontsFluid Type (rem)Flesch 35

Color Palette

10 unique colors
3.32:1 AA Large Light
#ffffff
Background· 52.5%
#968b85
Other· 4.8%
#0b1c37
Primary· 10.2%
#2d1914
Secondary· 8.6%
#924f33
Secondary· 5.9%
#060c1b
Accent· 4.6%
#2f4568
Secondary· 4.5%
#5e1b18
Accent· 3.9%

Business & Marketing Stack

2 Tools Detected

Advanced

Marketing Automation

1
MailchimpSMB

Email marketing and automation platforms

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

2

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

22 Resources

13
Scripts
9
Styles
3
Async
4
Defer

Top Script Sources

isbscience.org(8)snippet.maze.co(2)googletagmanager.com(1)s3.amazonaws.com(1)cdn.jsdelivr.net(1)

Website Identity

Institute for Systems Biology

Institute for Systems Biology

Organization

Institute for Systems Biology (ISB) is a nonprofit scientific research organization in Seattle. Learn how our science is transforming health.

isbscience.org/
26 years old
Location detected: 🇺🇸 United Statesvia ip
NameCheap, Inc.📧 Mimecasten-US

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Last analyzed: 28 May 2026 at 17:21

Historical Analysis & Change Tracking