cepstral.com

https://cepstral.com· First analyzed 01 Jun 2026· Updated 01 Jun 2026

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cepstral.com

Mobile

Sponsored

Hosting Provider

pair Networks

IP Address

66.39.132.103

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Pittsburgh, United States

ASN

AS7859

Organization

pair Networks

Server

Apache

Nameservers

y.ns.joker.com.z.ns.joker.com.x.ns.joker.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

647 ms10%

Speed Index

841 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

601 KB

43 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

pair Networks

Technology Stack

6 Technologies Detected

Libraries

Other

Analytics

Advertising

Web Servers

SEO Analysis

D45/100

Meta Tags7/15

Content4/12

Headings5/8

Technical10/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

cepstral.comcepstral.com

Cepstral - Text-to-Speech

Discover the world's premium and affordable text to speech provider for personal and business use at Cepstral. Find multiple languages, accents, and personal...

Description truncated.

Title Length25 chars

Recommended: 50-60 chars (~152px / 580px)

Description Length223 chars

Recommended: 120-160 chars

Issues (1)

• Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

12 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

182 URLs

robots.txt

10 rules

Local SEO

Local Search Readiness

10/100

Poor

3 12 2

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

Sponsored

AI & LLM Readiness

F31/100

Bot Access

20/25

Machine Read.

5/25

Schema Data

0/25

Citation

6/25

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:7%

Words:114

Token eff.:Too Short

Sections/1K:8.8

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary42w

Descriptive Headingsavg 2w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

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.

71/100

Passed

Critical

Warnings

Images & Alt Text

15/20

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

Semantic Structure

14/20

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

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

3/15

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.

54/100

61 mg

CO₂e / view

601.5 KB

Page Weight

80%

Cleaner Than

New Visitor

69 mg

Returning (cached)

35 mg

Annual (10K/mo)

7.3 kg

Emission Segments

Data Center

3 mg

Network

18 mg

Device

40 mg

Resource Breakdown

JavaScript

132.1 KB

Images

453.2 KB

CSS

6.1 KB

HTML

9.8 KB

Other

300 B

Green Hosting Verified

pair Networks

Provider Match

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

71%Good

Static / Informational

HTTPS

No WAF

86d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

26.07.2025

Valid Until

26.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

cepstral.comwww.cepstral.com

SHA-256 Fingerprint

00:61:14:96:ED:62:01:01:B2:91:4B:31:D1:19:B8:C9:4D:86:E7:FD...

Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

connection

Keep-Alive

content-type

text/html; charset=utf-8

date

Mon, 01 Jun 2026 21:11:08 GMT

keep-alive

timeout=5, max=100

server

Apache

transfer-encoding

chunked

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

qs4118.pair.com

Domain Information

cepstral.com

Domain Age

26y 1m

Created

25.04.2000

Expires

25.04.2027

Last Updated

07.04.2025

Registrar

CSL Computer Service Langenbach GmbH d/b/a joker.com

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

32/100

Not Mobile Friendly1 breakpoint

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.

3 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

arial

WCAG Partial

67/100

Readability

/30

16/30

13px · LH --

Hierarchy

/20

14/20

2x ratio

WCAG

/25

17/25

2.62:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

arial

Sans26px

Body Font

arial

Sans13px

Contrast Ratio

2.62:1

10 issues

Reading Comfort

~65 CPL

Optimal (45–75)

26px

15px

13px

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line length: ~65 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 2.6:1).

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

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 60

Color Palette

12 unique colors

2.85:1 Fail Light

#ffffff

Text· 51.599999999999994%

#9b989d

Other· 3.4%

#0b3184

Primary· 9.5%

#d9e3ec

Secondary· 9.2%

#3064a7

Accent· 6%

#a9bac6

Secondary· 4%

#292a45

Secondary· 3.5%

#937670

Secondary· 2.6%

Business & Marketing Stack

2 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

10 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)ajax.googleapis.com(2)ssl.google-analytics.com(1)googleadservices.com(1)googleads.g.doubleclick.net(1)

Website Identity

cepstral.com

14124320400

26 years old

Location detected: 🇺🇸 United Statesvia ip

CSL Computer Service Langenbach GmbH d/b/a joker.com

Social Profiles

Facebook X (Twitter)

Sponsored

Last analyzed: 01 Jun 2026 at 21:11

Historical Analysis & Change Tracking