terc.edu

https://terc.edu· First analyzed 13 May 2026· Updated 13 May 2026

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terc.edu

Mobile

Sponsored

Hosting Provider

Pantheon

pantheon.io

IP Address

23.185.0.1

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 San Francisco, United States

ASN

AS54113

Organization

Pantheon

Server

Nginx

CDN

Fastly

Nameservers

ns-1475.awsdns-56.org.ns-1977.awsdns-55.co.uk.ns-370.awsdns-46.com.ns-685.awsdns-21.net.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.3 s10%

Speed Index

1.7 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

2.3 MB

99 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

CMS

WordPressv6.9.4

Infrastructure

Hosting

Pantheon

CDN

Fastly

Technology Stack

33 Technologies Detected

Plugins

Sharethis Share Buttons Wp Carousel Pro Search Filter Pro Wp Pagenavi

Ninja Forms

Popup Maker Forget About Shortcode Buttons

Ninja Forms Scheduled Exports

Wonderplugin Gallery Easy Columns Gtranslate Dflip

Yoast SEO

Libraries

jQueryv1.11.0

jQuery UI

Underscore.js Animate.css

Fonts

Google Fonts Adobe Fonts (Typekit)Adobe Fonts

Analytics

CSS Frameworks

UI Components

Icon Libraries

Marketing

Email Marketing

Social

Web Servers

Security

Customer Support

SEO Analysis

A80/100

Meta Tags8/15

Content10/12

Headings8/8

Technical24/25

E-E-A-T3/7

Images3/7

Links5/5

URL5/5

Social4/5

Freshness4/4

Mobile3/4

Indexability3/3

terc.eduterc.edu

TERC - Innovative Solutions for STEM Education | Because math and s...

TERC is a non-profit organization comprised of math, science education and research experts dedicated to advancing STEM learning for all through creative pro...

Title truncated. Description truncated.

Title Length87 chars

Recommended: 50-60 chars (~525px / 580px)

Description Length195 chars

Recommended: 120-160 chars

Issues (1)

• Title is too long (87 chars, ~525px). Will be truncated in search results.

8 issues found

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Crawlability

Sitemap

Type: index

20 URLs

20 sub-sitemaps

robots.txt

5 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

16/100

Poor

5 12 1

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

D56/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

4/25

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.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

navheader/footer

Text ratio:3%

Words:700

Token eff.:Optimal

Sections/1K:15.7

Depth:2/5

Structured Data

4 JSON-LD

WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary30w

Descriptive Headingsavg 9.2w

Canonical URL

Open Graph3/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (7)

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.

84/100

Passed

Critical

Warnings

Images & Alt Text

15/20

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

12/15

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

11/15

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.

26/100

291 mg

CO₂e / view

2.3 MB

Page Weight

50%

Cleaner Than

New Visitor

332 mg

Returning (cached)

166 mg

Annual (10K/mo)

34.9 kg

Emission Segments

Data Center

65 mg

Network

70 mg

Device

156 mg

Resource Breakdown

JavaScript

527.2 KB

Images

1.2 MB

CSS

560.4 KB

Fonts

4.0 KB

HTML

33.2 KB

Green Hosting Not Verified

Pantheon

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

66d

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

19.04.2026

Valid Until

18.07.2026

Subject Alternative Names (2)

terc.eduwww.terc.edu

SHA-256 Fingerprint

63:A9:E2:D9:71:89:09:58:9B:75:3C:88:86:A3:E6:9D:2A:8B:D6:DF...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

age

217

cache-control

🟡 600s(public, max-age=600)

content-encoding

📦 Gzip(gzip)

content-length

33723

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

terc-edu.mail.protection.outlook.com

Domain Information

terc.edu

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

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.

75/100

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, shrink-to-fit=no

Typography & Readability

montserrat

WCAG Partial

69/100

Readability

/30

26/30

16px · LH 1.50

Hierarchy

/20

11/20

1.38x ratio · ✓ H1→H6

WCAG

/25

14/25

1:1 min contrast

Performance

/25

18/25

2 fonts · 6 req

Heading Font

montserrat

Sans22px

Body Font

montserrat

Sans16px

Contrast Ratio

1:1

22 issues

Reading Comfort

~36 CPL

Narrow lines

22px

32px

18px

16px

Minor Second

Scale

✅ 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 43/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 22 elements below WCAG AA threshold (min 1.0:1).

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

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

GGoogle Fonts AAdobe FontsFlesch 43

Color Palette

12 unique colors

14.19:1 AAA Light

#d9dbd6

Other· 15.1%

#0a0a0b

Text· 8.7%

#177a68

Primary· 15.600000000000001%

#c2bbb3

Secondary· 8.1%

#aa8b7e

Secondary· 8%

#816864

Secondary· 7.4%

#99b29d

Secondary· 7%

#62867e

Secondary· 5.2%

Business & Marketing Stack

5 Tools Detected

Enterprise

CRM Systems

HubSpotMid-Market

Customer Relationship Management platforms

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Social Media

ShareThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

terc.edu(9)connect.facebook.net(2)js.hs-banner.com(1)js.hs-analytics.net(1)js.hubspot.com(1)

Website Identity

TERC - Innovative Solutions for STEM Education

TERC is a non-profit organization comprised of math, science education and research experts dedicated to advancing STEM learning for all through creative problem-solving and innovative solutions.

contactus@terc.edu

www.terc.edu/

Location detected: 🇺🇸 United Statesvia ip

📧 Microsoft 365en

Social Profiles

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Last analyzed: 13 May 2026 at 14:08

Historical Analysis & Change Tracking