realclimate.org

https://realclimate.org· First analyzed 25 Apr 2026· Updated 25 Apr 2026

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realclimate.org

Mobile

Sponsored

Hosting Provider

Leaseweb

leaseweb.com

IP Address

207.244.121.250

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Manassas, United States

ASN

AS30633

Organization

Leaseweb USA, Inc.

Server

Nginx

Nameservers

ns3.us.opalstack.com.ns2.us.opalstack.com.ns1.us.opalstack.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

583 ms10%

Speed Index

758 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

811 KB

34 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

News Prov3.3.0Custom

by StudioPress

View Theme

Technology Stack

13 Technologies Detected

Plugins

Google Analytics Dashboard For Wp

Add To Any Wp Quicklatex Wp Ogp Email Subscribers Better Search

Analytics

Libraries

CSS Frameworks

Fonts

Web Servers

SEO Analysis

B75/100

Meta Tags5/15

Content10/12

Headings3/8

Technical25/25

E-E-A-T5/7

Images2/7

Links5/5

URL5/5

Social5/5

Freshness4/4

Mobile3/4

Indexability3/3

realclimate.orgrealclimate.org

RealClimate: Frontpage

RealClimate:Climate science from climate scientists...

Title Length22 chars

Recommended: 50-60 chars (~130px / 580px)

Description Length54 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (7/9) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

6 URLs

6 sub-sitemaps

robots.txt

19 rules

Local SEO

Local Search Readiness

22/100

Needs Work

6 12

Sponsored

AI & LLM Readiness

C60/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

9/25

Citation

18/25

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

nav

Text ratio:5%

Words:989

Token eff.:Optimal

Sections/1K:12.1

Depth:1/5

Structured Data

4 JSON-LD

Person×1.3microdataOrganization×1.1WebSiteBreadcrumbList

sameAs entity links

Citation Readiness

Opening Summary37w

Descriptive Headingsavg 1.8w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (7)

AI readiness recommendation preview...

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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.

72/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

13/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

5/15

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

8/15

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.

60/100

82 mg

CO₂e / view

811.3 KB

Page Weight

80%

Cleaner Than

New Visitor

94 mg

Returning (cached)

47 mg

Annual (10K/mo)

9.8 kg

Emission Segments

Data Center

4 mg

Network

24 mg

Device

54 mg

Resource Breakdown

JavaScript

142.4 KB

Images

566.2 KB

Fonts

882 B

HTML

101.8 KB

Green Hosting Verified

Leaseweb

Provider Match

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

75d

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

11.04.2026

Valid Until

10.07.2026

Subject Alternative Names (5)

gavinrc.opalstacked.comrealclimate.comrealclimate.netrealclimate.orgwww.realclimate.org

SHA-256 Fingerprint

EB:BD:05:00:7A:A0:BC:E1:CE:EF:A2:8B:15:B9:24:76:78:11:60:96...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-type

text/html; charset=UTF-8

date

Sat, 25 Apr 2026 22:01:13 GMT

last-modified

Sat, 25 Apr 2026 12:34:24 GMT

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx1.us.opalstack.com

mx2.us.opalstack.com

Domain Information

realclimate.org

Domain Age

21y 5m

Created

19.11.2004

Expires

19.11.2026

Last Updated

26.10.2025

Registrar

PDR Ltd. d/b/a PublicDomainRegistry.com

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

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.

81/100

Mobile Friendly12 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

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Raleway

WCAG Partial

63/100

Readability

/30

24/30

16px · LH 1.30

Hierarchy

/20

7/20

WCAG

/25

14/25

1:1 min contrast

Performance

/25

18/25

1 font · 2 req

Heading Font

Raleway

Sans

Body Font

Raleway

Sans16px

Contrast Ratio

1:1

24 issues

Reading Comfort

~36 CPL

Narrow lines

30px

14px

30px

16px

Perfect Fourth

Scale

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

⚠️ Tight line spacing (1.30). Increase to 1.4–1.6 for better readability.

⚠️ Hard to read: Flesch score 44/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 24 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ Lean font stack: 1 font families keeps load times fast.

GGoogle Fonts Buy on MyFontsFlesch 44

Color Palette

7 unique colors

Light

#ffffff

Background· 54.50000000000001%

#020204

Primary· 12.4%

#edf0f1

Secondary· 11.8%

#b0b7c4

Secondary· 7%

#7e869a

Secondary· 5.3%

#623c48

Secondary· 4.8%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Social Media

AddThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

20 Resources

Scripts

Styles

Async

Defer

Top Script Sources

realclimate.org(14)static.addtoany.com(4)googletagmanager.com(1)

Website Identity

RealClimate

Organization

Climate science from climate scientists...

www.realclimate.org/

21 years old

Location detected: 🇺🇸 United Statesvia ip

PDR Ltd. d/b/a PublicDomainRegistry.comen-US

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Last analyzed: 25 Apr 2026 at 22:01

Historical Analysis & Change Tracking