transum.org

https://transum.org· First analyzed 10 May 2026· Updated 10 May 2026

Export

transum.org

Mobile

Sponsored

Hosting Provider

GoDaddy

godaddy.com

IP Address

160.153.246.128

Site Location

🇫🇷 Francevia ip

Server Location

🇫🇷 Strasbourg, France

ASN

AS21499

Organization

GoDaddy.com, LLC

Server

Microsoft IIS

Nameservers

ns42.domaincontrol.com.ns41.domaincontrol.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

345 ms10%

Speed Index

448 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

54 KB

19 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

GoDaddy

Technology Stack

6 Technologies Detected

Analytics

Fonts

Social

Web Servers

Frameworks

SEO Analysis

D51/100

Meta Tags8/15

Content8/12

Headings0/8

Technical11/25

E-E-A-T3/7

Images4/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile1/4

Indexability3/3

transum.orgtransum.org

Transum

A large collection of free interactive online activity supporting the teaching and learning of Mathematics.

Title Length7 chars

Recommended: 50-60 chars (~46px / 580px)

Description Length107 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

12 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

7 rules

Local SEO

Local Search Readiness

3/100

Poor

1 14 2

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

Sponsored

AI & LLM Readiness

D40/100

Bot Access

20/25

Machine Read.

9/25

Schema Data

0/25

Citation

11/25

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

Text ratio:6%

Words:218

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary18w

Descriptive Headings

Canonical URL

Open Graph3/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

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.

65/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

11/20

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

14/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

1/15

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

3 recommendations

•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.

46/100

A+

7 mg

CO₂e / view

54.2 KB

Page Weight

95%

Cleaner Than

New Visitor

8 mg

Returning (cached)

4 mg

Annual (10K/mo)

804 g

Emission Segments

Data Center

2 mg

Network

2 mg

Device

4 mg

Resource Breakdown

Images

37.8 KB

Fonts

919 B

HTML

15.6 KB

Green Hosting Not Verified

GoDaddy

6 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

41%Poor

Interactive

HTTPS

No WAF

60d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

10.04.2026

Valid Until

09.07.2026

Subject Alternative Names (2)

transum.orgwww.transum.org

SHA-256 Fingerprint

A1:4F:42:F4:6D:29:0B:A1:56:52:CA:3E:1A:9F:D6:23:4B:2F:32:B2...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟣 Private(private)

content-length

15644

content-security-policy

upgrade-insecure-requests;

content-type

text/html

date

Sun, 10 May 2026 21:53:00 GMT

server

Microsoft-IIS/10.0

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

MX Records (1)

transum-org.mail.protection.outlook.com

Domain Information

transum.org

Domain Age

22 years

Created

16.04.2004

Expires

16.04.2030

Last Updated

03.07.2024

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

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.

38/100

Not Mobile Friendly3 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.

4 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Times New Roman + Nunito Sans

WCAG Partial

65/100

Readability

/30

17/30

14px · LH --

Hierarchy

/20

19/20

2.29x ratio · ✓ H1→H6

WCAG

/25

16/25

1:1 min contrast

Performance

/25

13/25

2 fonts · 1 req

Heading Font

Times New Roman

Serif32px

Body Font

Nunito Sans

Sans14px

Contrast Ratio

1:1

23 issues

Reading Comfort

~60 CPL

Optimal (45–75)

32px

14px

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line length: ~60 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 49/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 23 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 2.3x larger than body text.

GGoogle Fonts Buy on MyFontsFlesch 49

Color Palette

9 unique colors

21:1 AAA Light

#ffffff

Background· 80.69999999999999%

#000000

Text· 4.5%

#ba383d

Primary· 2.5%

#b5c1ae

Secondary· 2.1%

#bba3a5

Secondary· 1.8%

#a3040f

Accent· 1.6%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Social Media

ShareThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

5 Resources

Scripts

Styles

Async

Defer

Top Script Sources

count-server.sharethis.com(1)buttons-config.sharethis.com(1)platform-api.sharethis.com(1)googletagmanager.com(1)

Website Identity

transum.org

22 years old

Location detected: 🇫🇷 Francevia ip

GoDaddy.com, LLC📧 Microsoft 365

Sponsored

Last analyzed: 10 May 2026 at 21:53

Historical Analysis & Change Tracking