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https://440hz.app

SEO

· 14 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
94
GRADE
A
FIX
0
REVIEW
3
PASS
10
INFO
1

Cross-tab audit — SEO, performance, crawlability, mobile, structured data

Checks
14
10 PASS 3 REVIEW
B
Content Depth
506 words, Standard
REVIEW
506 words, Standard
Info::
Page has 506 words of content
Info::
Reading level: Standard (grade 6)
506 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 6

Text-to-HTML Ratio

14% text 86% HTML

3 KB / 21 KB

C
Sitemap Freshness
Action
No sitemap.xml found
REVIEW
No sitemap.xml found
Info::
No sitemap.xml found
Sitemaps help search engines discover and prioritize URLs. Not strictly required for small sites where every page is linked from the homepage, but recommended once a site grows beyond a few dozen URLs.
C
Sitemap × Robots Consistency
Action
Sitemap or robots.txt missing -- consistency check skipped
REVIEW
Sitemap or robots.txt missing -- consistency check skipped
Info::
Cross-check skipped (sitemap or robots.txt absent)
A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://440hz.app/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target returns 200
Canonical URL Configured
Page URL https://440hz.app Canonical https://440hz.app/ Match Self-referencing (correct) Target 200 ✓
A+
Meta Tags
Title optimized
PASS
Title optimized
Info::
Page title is set
Got: 440hz.app — Free Tools for Musicians
Info::
Title length (38 chars) is optimal
Info::
Meta description length (143 chars) is optimal
Info::
Title and H1 are well-aligned
Title

"440hz.app — Free Tools for Musicians"

38 characters Optimal ✓
Title: 440hz.app — Free Tools for Musicians
H1: tools for musiciansand music lovers.
Match: Very different
Robots: Indexable (no restrictions)
A+
Title Style Depth
Title style is clean -- consistent separator, no stale year, no keyword stuffing
PASS
Title style is clean -- consistent separator, no stale year, no keyword stuffing
Info::
Title style is clean
A+
Image SEO
No images
PASS
No images
Info::
No images on this page
No images on this page.
A+
Hreflang URL Quality
No hreflang tags on the page
PASS
No hreflang tags on the page
Info::
No hreflang tags on the page
A+
Hreflang Completeness
No hreflang tags on this page -- check is N/A (single-language site or unannotated)
PASS
No hreflang tags on this page -- check is N/A (single-language site or unannotated)
Info::
No hreflang tags found -- completeness check is N/A
A+
Sitemap Hygiene
No sitemap to evaluate -- depth check is N/A
PASS
No sitemap to evaluate -- depth check is N/A
Info::
No sitemap fetched -- depth check skipped
A+
Markup Quality
No markup-quality issues detected
PASS
No markup-quality issues detected
Info::
No markup-quality issues detected
A+
Schema Markup Audit
1 schema types detected
PASS

Rich result eligibility

WebSite Eligible

Sitelinks search box

Detected schema types

WebSite json-ld → Sitelinks search box
2/2 required · 0/1 recommended
Required fields (Google)
  • name — Required for the sitelinks search box
  • url — Required to anchor the search box to your domain
Recommended fields
  • potentialAction — Add a SearchAction with target and query-input Enables the in-SERP search box
Google's spec for this type

Missing schema opportunities

  • easy

    Article

    Page reads as an article (long body + headline) — add Article schema

    Eligible for top-stories carousel and Discover

Adding these recommended fields improves chances of getting Sitelinks search box in search results.

Why this matters

Schema entity has required fields but could add recommended ones for richer SERP layouts (star ratings, prices, etc.).

Source: Google Search Central

Hreflang
0 hreflang tags
INFO
0 hreflang tags

No hreflang tags detected.

Hreflang tags are only needed for multilingual or multi-regional sites.

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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