gresb.com

https://gresb.com· First analyzed 05 May 2026· Updated 05 May 2026

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gresb.com

Mobile

Sponsored

Hosting Provider

WP Engine

wpengine.com

IP Address

141.193.213.21

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Austin, United States

ASN

AS209242

Organization

WPEngine, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-1861.awsdns-40.co.uk.ns-268.awsdns-33.com.ns-954.awsdns-55.net.ns-1224.awsdns-25.org.

Performance

Core Web Vitals

Weight

First Contentful Paint

916 ms10%

Speed Index

1.2 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

10.2 MB

112 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

frameworkCustom

Technology Stack

17 Technologies Detected

Plugins

Tablepress Responsive Tables

Advanced Custom Fields

UI Components

Analytics

Libraries

CSS Frameworks

Icon Libraries

Fonts

Tag Managers

CDN

SEO Analysis

C66/100

Meta Tags5/15

Content10/12

Headings6/8

Technical21/25

E-E-A-T0/7

Images2/7

Links4/5

URL5/5

Social4/5

Freshness2/4

Mobile4/4

Indexability3/3

gresb.comgresb.com

Welcome - GRESB

Learn more about GRESB

Title Length15 chars

Recommended: 50-60 chars (~99px / 580px)

Description Length22 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (16/20) — critical for accessibility and SEO

9 issues found

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Crawlability

Sitemap

Type: index

23 URLs

23 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

18/100

Poor

5 10 2

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

Sponsored

AI & LLM Readiness

D43/100

Bot Access

20/25

Machine Read.

11/25

Schema Data

0/25

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

navheader/footer

Text ratio:4%

Words:1,717

Token eff.:Optimal

Sections/1K:1.2

Depth:2/5

Structured Data

Microdata

Citation Readiness

Opening Summary459w

Descriptive Headingsavg 4w

Canonical URL

Open Graph3/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

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.

81/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

15/20

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

8/15

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.

42/100

1.06 g

CO₂e / view

10.2 MB

Page Weight

Cleaner Than

New Visitor

1.21 g

Returning (cached)

603 mg

Annual (10K/mo)

126.7 kg

Emission Segments

Data Center

52 mg

Network

310 mg

Device

694 mg

Resource Breakdown

JavaScript

345.7 KB

Images

8.7 MB

CSS

1.1 MB

Fonts

2.2 KB

HTML

32.8 KB

Other

301 B

Green Hosting Verified

WP Engine

Provider Match

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

71%Good

Interactive

HTTPS

WAF

74d

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

20.04.2026

Valid Until

19.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.gresb.com

SHA-256 Fingerprint

C8:0C:C1:42:97:86:EB:B5:11:56:FB:03:87:76:E4:DF:EE:9B:1C:66...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🟡 600s(max-age=600, must-revalidate)

cf-cache-status

DYNAMIC

cf-ray

9f726295fb54c8e3-BOS

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

gresb-com.mail.protection.outlook.com

Domain Information

gresb.com

Domain Age

15y 7m

Created

13.09.2010

Expires

13.09.2026

Last Updated

09.08.2025

Registrar

Amazon Registrar, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Script

Cookie Consent Banner

Cookie Script

GDPR Indicators

Cookie consent banner detected

CMP: Cookie Script

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 Friendly16 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...

Upgrade to view recommendations

Typography & Readability

DIN + Roboto

WCAG Partial

65/100

Readability

/30

22/30

19px · LH 1.56

Hierarchy

/20

6/20

1.46x ratio

WCAG

/25

19/25

1.97:1 min contrast

Performance

/25

18/25

System fonts

Heading Font

DIN

Sans28px

Body Font

Roboto

Sans19px

Contrast Ratio

1.97:1

1 issue

Reading Comfort

~34 CPL

Narrow lines

28px

48px

28px

19px

Minor Second

Scale

✅ Excellent readability: 19px body text is ideal for all devices.

✅ Optimal line spacing: 1.56 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 2.0:1).

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

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

GGoogle Fonts Buy on MyFontsFlesch 0

Color Palette

6 unique colors

15.91:1 AAA Dark

#222222

Text· 50.89999999999999%

#ffffff

Background· 18.500000000000004%

#cbd0c4

Primary· 2.2%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

gresb.com(14)googletagmanager.com(2)public.tableau.com(2)google-analytics.com(1)cdn.cookie-script.com(1)

Website Identity

gresb.com

20 77 40 220

15 years old

Amsterdam, London, Paris, Sydney & Boston

Location detected: 🇺🇸 United Statesvia ip

Amazon Registrar, Inc.📧 Microsoft 365en-US

Social Profiles

LinkedIn YouTube

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Last analyzed: 05 May 2026 at 20:10

Historical Analysis & Change Tracking