illustrativemathematics.org

https://illustrativemathematics.org· First analyzed 15 May 2026· Updated 15 May 2026

Export

Mobile

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Hosting Provider

WP Engine

wpengine.com

IP Address

141.193.213.21

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Austin, United States

ASN

AS209242

Organization

WPEngine, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns2.hover.com.ns1.hover.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.4 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

825 KB

89 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

DiviCustom

Technology Stack

19 Technologies Detected

Plugins

Popups For Divi

Supreme Modules Pro For Divi

Analytics

Libraries

UI Components

CSS Frameworks

Fonts

Tag Managers

Advertising

CDN

SEO Analysis

B74/100

Meta Tags9/15

Content3/12

Headings8/8

Technical24/25

E-E-A-T2/7

Images4/7

Links5/5

URL5/5

Social4/5

Freshness4/4

Mobile3/4

Indexability3/3

illustrativemathematics.orgillustrativemathematics.org

Illustrative Mathematics | K-12 Math | Resources for Teachers & Stu...

Illustrative Mathematics provides resources and support for giving their students an enduring understanding of mathematics.

Title truncated.

Title Length72 chars

Recommended: 50-60 chars (~437px / 580px)

Description Length123 chars

Recommended: 120-160 chars

Issues (2)

• Title is too long (72 chars, ~437px). Will be truncated in search results.
• Very thin content (11 words). Search engines need substantial content for ranking.

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

2 rules

Allows all crawlers

Local SEO

Local Search Readiness

21/100

Needs Work

6 12

Sponsored

AI & LLM Readiness

D44/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

8/25

Citation

9/25

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:1,079

Token eff.:Optimal

Structured Data

4 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

sameAs entity links

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph2/3

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.

62/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

15/15

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

6/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 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.

63/100

83 mg

CO₂e / view

824.8 KB

Page Weight

80%

Cleaner Than

New Visitor

95 mg

Returning (cached)

48 mg

Annual (10K/mo)

10.0 kg

Emission Segments

Data Center

4 mg

Network

25 mg

Device

55 mg

Resource Breakdown

JavaScript

294.9 KB

Images

24.6 KB

CSS

450.8 KB

HTML

54.5 KB

Green Hosting Verified

WP Engine

Provider Match

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

26%Critical

Interactive

HTTPS

WAF

37d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

24.03.2026

Valid Until

22.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

illustrativemathematics.org

SHA-256 Fingerprint

98:58:67:44:64:98:52:CC:D4:40:03:95:4B:88:43:54:CF:6A:CC:8F...

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🇩🇪 Frankfurt

9fbf5da47b874db8-FRA

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

alt3.aspmx.l.google.com

aspmx.l.google.com

alt2.aspmx.l.google.com

alt1.aspmx.l.google.com

+1 more

Domain Information

illustrativemathematics.org

Domain Age

15y 6m

Created

11.11.2010

Expires

11.11.2026

Last Updated

05.11.2024

Registrar

Tucows Domains Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Termly

Cookie Consent Banner

Termly

GDPR Indicators

Cookie consent banner detected

CMP: Termly

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.

53/100

Not Mobile Friendly62 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.

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Poppins + Nunito

WCAG Partial

73/100

Readability

/30

23/30

18px · LH 1.60

Hierarchy

/20

18/20

2.17x ratio · ✓ H1→H6

WCAG

/25

16/25

1:1 min contrast

Performance

/25

16/25

2 fonts · 19 req

Heading Font

Poppins

Sans39px

Body Font

Nunito

Sans18px

Contrast Ratio

1:1

9 issues

Reading Comfort

~35 CPL

Narrow lines

39px

28px

14px

18px

Minor Second

Scale

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

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

⚠️ Hard to read: Flesch score 33/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 9 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 2.2x larger than body text.

Buy on MyFontsFlesch 33

Color Palette

9 unique colors

Light

#ffffff

Background· 23.8%

#1c2262

Primary· 27.2%

#003979

Accent· 22.6%

#6cb760

Secondary· 7.4%

#d7c36e

Accent· 6%

#b37856

Secondary· 5.6%

#f4f7e1

Accent· 3.2%

#135385

Accent· 3.1%

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

HotjarMid-Market

User behavior and product analytics

Advertising

Facebook PixelMid-Market

LinkedIn AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

TermlySMB

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

illustrativemathematics.org(10)connect.facebook.net(2)googletagmanager.com(2)snap.licdn.com(1)us-assets.i.posthog.com(1)

Website Identity

Illustrative Mathematics K–12 Math

Organization

Illustrative Mathematics provides resources and support for giving their students an enduring understanding of mathematics.

[email protected]

illustrativemathematics.org/

15 years old

Location detected: 🇺🇸 United Statesvia ip

Tucows Domains Inc.📧 Google Workspaceen-US

Social Profiles

Facebook X (Twitter)Instagram LinkedIn Pinterest

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Last analyzed: 15 May 2026 at 04:23

Historical Analysis & Change Tracking