physics2astro.org

https://physics2astro.org· First analyzed 13 May 2026· Updated 13 May 2026

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physics2astro.org

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.174.198

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ashley.ns.cloudflare.com.leif.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

559 ms10%

Speed Index

727 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

75 KB

87 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.1.4

cms

p2av1.0Custom

by Nicepage

View Theme

Technology Stack

13 Technologies Detected

Plugins

WooCommerce

Contact Form 7

Generate Pdf Using Contact Form 7

Ultimate Member Nicepage Cf7 Form Submission Limit Wpappsdev

Libraries

CSS Frameworks

Icon Libraries

Fonts

CDN

SEO Analysis

C64/100

Meta Tags7/15

Content3/12

Headings5/8

Technical20/25

E-E-A-T7/7

Images1/7

Links2/5

URL5/5

Social3/5

Freshness4/4

Mobile4/4

Indexability3/3

physics2astro.orgphysics2astro.org

Physics 2 Astrophysics

We bridge the gap between physics and the expansive field of astrophysics. Our program for high school students offers a deeper understanding of astrophysics...

Description truncated.

Title Length22 chars

Recommended: 50-60 chars (~132px / 580px)

Description Length214 chars

Recommended: 120-160 chars

Issues (2)

• Very thin content (3 words). Search engines need substantial content for ranking.
• Most images missing alt text (4/4) — critical for accessibility and SEO

10 issues found

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Crawlability

Sitemap

robots.txt

9 rules

Sitemap reference found

Local SEO

Local Search Readiness

15/100

Poor

4 13

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

Sponsored

AI & LLM Readiness

D51/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

12/25

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:0%

Words:343

Token eff.:Optimal

Structured Data

3 JSON-LD

Article×1.2Person×1.3(min)Organization×1.1WebSiteSearchAction

sameAs entity links

Citation Readiness

Opening Summary

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 (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.

68/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

6/20

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

1/15

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.

61/100

A+

8 mg

CO₂e / view

75.2 KB

Page Weight

95%

Cleaner Than

New Visitor

9 mg

Returning (cached)

4 mg

Annual (10K/mo)

912 g

Emission Segments

Data Center

<0.001 g

Network

2 mg

Device

5 mg

Resource Breakdown

JavaScript

1.1 KB

HTML

74.1 KB

Green Hosting Verified

Cloudflare

GWF Verified

3 recommendations

•Carbon footprint recommendation preview...

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Security Score

88%Very Good

Static / Informational

HTTPS

WAF

51d

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

05.04.2026

Valid Until

04.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

physics2astro.org*.physics2astro.org

SHA-256 Fingerprint

56:B7:77:64:DB:B3:AB:20:D1:FB:BD:74:89:1A:F2:9A:50:21:7F:AB...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray

9fb3b6571fa455e2-BOS

content-encoding

zstd

content-type

text/html; charset=UTF-8

date

Wed, 13 May 2026 18:26:35 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

mailserver.purelymail.com

Domain Information

physics2astro.org

Domain Age

2y 4m

Created

27.12.2023

Expires

27.12.2026

Last Updated

02.12.2025

Registrar

Cloudflare, Inc.

DNSSEC

Not Enabled

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.

67/100

Mobile Friendly47 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=1.0

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Roboto + Open Sans

WCAG Partial

66/100

Readability

/30

23/30

18px · LH 1.60

Hierarchy

/20

15/20

5.33x ratio

WCAG

/25

14/25

1:1 min contrast

Performance

/25

14/25

4 fonts · 3 req

Heading Font

Roboto

Sans96px

Body Font

Open Sans

Sans18px

Contrast Ratio

1:1

38 issues

Reading Comfort

~39 CPL

Narrow lines

96px

48px

36px

18px

✅ 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: 38 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 5.3x larger than body text.

GGoogle FontsFlesch 33

Color Palette

8 unique colors

Dark

#000000

Background· 81.6%

#5f2011

Accent· 3.4%

#478ac9

Primary· 0%

#b56e43

Secondary· 3.3%

#dca37e

Accent· 2.7%

#452c24

Secondary· 2.7%

#1f0b08

Primary· 2.6%

#7a3921

Accent· 2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

physics2astro.org(20)

Website Identity

Physics 2 Astrophysics

Organization

www.physics2astro.org/

2 years old

Location detected: 🇨🇦 Canadavia ip

Cloudflare, Inc.en-US

Social Profiles

LinkedIn Discord

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Last analyzed: 13 May 2026 at 18:27

Historical Analysis & Change Tracking