hifiman.com

https://hifiman.com· First analyzed 18 May 2026· Updated 18 May 2026

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hifiman.com

Mobile

Sponsored

Hosting Provider

Cloud Computing HK Limited

IP Address

103.61.39.190

Site Location

🇭🇰 Hong Kongvia ip

Server Location

🇭🇰 Hong Kong, Hong Kong

ASN

AS134366

Organization

Cloud Computing HK Limited

Server

Apache

Nameservers

ns2.cyudun.net.ns1.cyudun.net.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.7 s10%

Speed Index

2.2 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

3 MB

22 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloud Computing HK Limited

Technology Stack

4 Technologies Detected

Libraries

Web Servers

Languages

Customer Support

SEO Analysis

F38/100

Meta Tags7/15

Content6/12

Headings1/8

Technical10/25

E-E-A-T0/7

Images1/7

Links4/5

URL5/5

Social0/5

Freshness0/4

Mobile1/4

Indexability3/3

hifiman.comhifiman.com

HIFIMAN INNOVATING THE ART OF LISTENING

No description available for this page.

Title Length39 chars

Recommended: 50-60 chars (~242px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

• Missing meta description — important for click-through rates in SERPs
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (13/13) — critical for accessibility and SEO

16 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

2 rules

Allows all crawlers

Local SEO

Local Search Readiness

2/100

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

F23/100

Bot Access

20/25

Machine Read.

2/25

Schema Data

0/25

Citation

1/25

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

nav

Text ratio:3%

Words:70

Token eff.:Too Short

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

AI readiness recommendation preview...

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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.

48/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

10/15

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.

5 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.

10/100

382 mg

CO₂e / view

3.0 MB

Page Weight

30%

Cleaner Than

New Visitor

436 mg

Returning (cached)

218 mg

Annual (10K/mo)

45.8 kg

Emission Segments

Data Center

85 mg

Network

92 mg

Device

205 mg

Resource Breakdown

JavaScript

121.0 KB

Images

2.9 MB

CSS

20.0 KB

HTML

12.0 KB

Green Hosting Not Verified

Cloud Computing HK Limited

7 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

275d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

TrustAsia Technologies, Inc.

Key Algorithm

RSA (2048 bit)

Signature

SHA-384 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

12.02.2026

Valid Until

17.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.hifiman.comhifiman.com

SHA-256 Fingerprint

5C:B7:C3:F0:C2:38:72:32:1F:9A:2C:C4:87:85:26:66:FF:84:CC:5D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache)

connection

Keep-Alive

content-type

text/html; charset=UTF-8

date

Mon, 18 May 2026 20:11:05 GMT

keep-alive

timeout=5, max=100

server

Apache/2.4.17 (Win32) OpenSSL/1.0.2d PHP/5.6.21

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

alt2.aspmx.l.google.com

aspmx.l.google.com

alt1.aspmx.l.google.com

aspmx3.googlemail.com

+1 more

Domain Information

hifiman.com

Domain Age

23y 3m

Created

13.02.2003

Expires

21.07.2029

Last Updated

16.07.2024

Registrar

GoDaddy.com, LLC

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.

52/100

Mobile Friendly4 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

initial-scale=1,minimum-scale=1

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial Narrow

WCAG Partial

50/100

Readability

/30

12/30

12px · LH 1.67

Hierarchy

/20

7/20

WCAG

/25

17/25

4.04:1 min contrast

Performance

/25

14/25

1 font

Heading Font

Arial Narrow

Body Font

Arial Narrow

Sans12px

Contrast Ratio

4.04:1

6 issues

Reading Comfort

Single Family

left aligned

12px

❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

❌ Very complex text: Flesch score 17/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 6 elements below WCAG AA threshold (min 4.0:1).

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

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

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFontsFlesch 17

Color Palette

8 unique colors

9.16:1 AAA Dark

#000000

Background· 62.900000000000006%

#afaba1

Secondary· 3.4%

#8d8475

Primary· 3.3%

#e2deca

Secondary· 3.2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

5 Resources

Scripts

Styles

Async

Defer

Top Script Sources

hifiman.com(4)

Website Identity

hifiman.com

[email protected]

23 years old

Location detected: 🇭🇰 Hong Kongvia ip

GoDaddy.com, LLC📧 Google Workspace

Social Profiles

Facebook X (Twitter)YouTube

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Last analyzed: 18 May 2026 at 20:12

Historical Analysis & Change Tracking