nelhydrogen.com

https://nelhydrogen.com· First analyzed 17 May 2026· Updated 17 May 2026

Export

nelhydrogen.com

Mobile

Sponsored

Hosting Provider

Krystal

krystal.uk

IP Address

185.53.56.90

Site Location

🇬🇧 United Kingdomvia ip

Server Location

🇬🇧 London, United Kingdom

ASN

AS12488

Organization

Krystal Hosting Ltd

Server

LiteSpeed

Nameservers

ns4.evrydns.net.ns3.evrydns.net.ns2.evrydns.net.ns1.evrydns.net.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

503 ms10%

Speed Index

654 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

8.1 MB

130 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

Overbord - Nel Hydrogenv1.0.1Custom

by Overbord Design

Technology Stack

17 Technologies Detected

Plugins

Gravity Forms

Massive Stock Widgets

Libraries

Analytics

Other

CSS Frameworks

Icon Libraries

Fonts

Tag Managers

Advertising

Web Servers

Security

SEO Analysis

B75/100

Meta Tags15/15

Content10/12

Headings3/8

Technical22/25

E-E-A-T2/7

Images4/7

Links2/5

URL5/5

Social5/5

Freshness0/4

Mobile4/4

Indexability3/3

nelhydrogen.comnelhydrogen.com

Nel Hydrogen | The future belongs to the front-runners

Nel is a global, dedicated hydrogen company, delivering world-class solutions to produce hydrogen from renewable energy.

Title Length54 chars

Recommended: 50-60 chars (~328px / 580px)

Description Length120 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (21/29) — critical for accessibility and SEO

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1,263 URLs

robots.txt

Local SEO

Local Search Readiness

22/100

Needs Work

6 13

Sponsored

AI & LLM Readiness

D40/100

Bot Access

20/25

Machine Read.

2/25

Schema Data

7/25

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

data-nosnippet

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

nav

Text ratio:7%

Words:3,319

Token eff.:Poor Structure

Sections/1K:1.8

Depth:1/5

Structured Data

3 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary1193w

Descriptive Headingsavg 4.6w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

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.

76/100

Passed

Critical

Warnings

Images & Alt Text

18/20

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

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

7/15

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...

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.

45/100

841 mg

CO₂e / view

8.1 MB

Page Weight

Cleaner Than

New Visitor

961 mg

Returning (cached)

481 mg

Annual (10K/mo)

100.9 kg

Emission Segments

Data Center

41 mg

Network

247 mg

Device

553 mg

Resource Breakdown

JavaScript

340.7 KB

Images

612.5 KB

CSS

1.2 MB

HTML

58.2 KB

Other

5.9 MB

Green Hosting Verified

Krystal

GWF Verified

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

67%Fair

Interactive

HTTPS

No WAF

54d

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

12.04.2026

Valid Until

11.07.2026

Subject Alternative Names (1)

nelhydrogen.com

SHA-256 Fingerprint

AC:02:C4:65:10:6B:B0:AC:A6:44:B1:37:6B:B1:7C:2C:47:A9:4D:88...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

⚡ Brotli(br)

content-length

59275

content-security-policy

upgrade-insecure-requests;

content-type

text/html; charset=UTF-8

cross-origin-opener-policy

same-origin-allow-popups

cross-origin-resource-policy

cross-origin

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

nelhydrogen-com.mail.protection.outlook.com

Domain Information

nelhydrogen.com

Domain Age

14y 11m

Created

30.05.2011

Expires

30.05.2027

Last Updated

01.05.2026

Registrar

eNom, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Complianz

Cookie Consent Banner

Complianz

GDPR Indicators

Cookie consent banner detected

CMP: Complianz

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.

80/100

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.

Viewport

width=device-width, initial-scale=1

1 recommendation

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Larsseit

WCAG Partial

62/100

Readability

/30

21/30

16px · LH 1.50

Hierarchy

/20

7/20

WCAG

/25

14/25

1.01:1 min contrast

Performance

/25

20/25

1 font · 3 req

Heading Font

Larsseit

Sans

Body Font

Larsseit

Sans16px

Contrast Ratio

1.01:1

10 issues

Reading Comfort

~35 CPL

Narrow lines

68px

28px

13px

16px

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 28/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 10 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.

Buy on MyFontsFlesch 28

Color Palette

11 unique colors

Light

#ffffff

Text· 9.2%

#010028

Primary· 37.49999999999999%

#361885

Accent· 7.2%

#6f2fe6

Accent· 7.1%

#5625bb

Accent· 7%

#441f99

Accent· 7%

#1d0d5a

Accent· 6.8%

#0d063d

Accent· 3.7%

Business & Marketing Stack

4 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

LinkedIn AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

ComplianzSMB

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

nelhydrogen.com(15)googletagmanager.com(2)snap.licdn.com(1)gstatic.com(1)javascript.heeet.io(1)

Website Identity

Nel Hydrogen

Organization

The future belongs to the front-runners

nelhydrogen.com/

14 years old

Location detected: 🇬🇧 United Kingdomvia ip

eNom, LLC📧 Microsoft 365en-GB

Social Profiles

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 17 May 2026 at 14:32

Historical Analysis & Change Tracking