HEAD-TO-HEAD SEO COMPARISON ENGINE v7.0

SEO Comparison Tool

Analyze and compare two URLs side-by-side. Identify which page has better on-page SEO, check keyword densities, and outrank your direct competitors instantly.

Parallel Simultaneous URL Fetching
Target Keyword Gap Analysis
Smart Winner Algorithm
Side-by-Side Metadata Matrix
Comparison Console
{{ selectedLangObj ? selectedLangObj.name : t('seo.comparison.language', 'English') }}
{{ l.name }}
VS
Separate multiple keywords with a comma (,).

Recent Comparisons

{{ item.winner }} {{ item.urlA }} vs {{ item.urlB }}
{{ item.scoreA }} vs {{ item.scoreB }} {{ item.date }}

Parallel Fetching

Fetches and parses the raw HTML for both URLs simultaneously to drastically reduce waiting times and provide instant comparisons.

Keyword Density

Provide target keywords to automatically calculate their exact usage percentage and check if they appear in critical SEO tags.

Smart Winner Engine

Calculates comprehensive on-page SEO metrics for both pages to determine who provides stronger ranking potential.

Side-by-Side UI

Quickly compares internal vs external links, word volume, title length, meta description, and image alt tags.

Media & Alt Tag Auditing

Detects missing Alt attributes on images for both pages to pinpoint accessible and image SEO weaknesses.

Instant Live Diagnostics

Zero waiting. Both URLs are scraped securely and verified in your browser with real-time responsive scoring.

  • {{ step.title }}

Comparison Failed

{{ errorMessage }}

{{ winnerData.title }}
{{ winnerData.url }}
{{ winnerData.score }}
SEO Health Score
{{ resultA.score }}
URL A
{{ resultB.score }}
URL B
Word Count
{{ resultA.wordCount }}
URL A
{{ resultB.wordCount }}
URL B
Total Links
{{ resultA.linksTotal }}
URL A
{{ resultB.linksTotal }}
URL B
Missing Alt Images
{{ resultA.imgMissingAlt }}
URL A
{{ resultB.imgMissingAlt }}
URL B
{{ competitiveInsights.winsA }} Wins

URL A Advantages

  • {{ item }}
No clear category leads detected for URL A.
{{ competitiveInsights.ties }} Ties

Tied Metrics

Both pages share identical or matched performance in {{ competitiveInsights.ties }} critical on-page SEO evaluations.

{{ competitiveInsights.winsB }} Wins

URL B Advantages

  • {{ item }}
No clear category leads detected for URL B.
Page Architecture & Health
URL A ({{ resultA.domain }})
Score: {{ resultA.score }}/100
HTML Size: {{ resultA.pageSizeKb }} • Lang: {{ resultA.htmlLang }}
CMS: {{ resultA.cms }}
URL B ({{ resultB.domain }})
Score: {{ resultB.score }}/100
HTML Size: {{ resultB.pageSizeKb }} • Lang: {{ resultB.htmlLang }}
CMS: {{ resultB.cms }}
High-Level Search Signals
URL A
Words: {{ resultA.wordCount }} (~{{ resultA.readingTime }})
Headings: {{ resultA.h1Count }} H1 • {{ resultA.h2Count }} H2 • {{ resultA.h3Count }} H3
Links: {{ resultA.linksInternal }} Internal • {{ resultA.linksExternal }} External
URL B
Words: {{ resultB.wordCount }} (~{{ resultB.readingTime }})
Headings: {{ resultB.h1Count }} H1 • {{ resultB.h2Count }} H2 • {{ resultB.h3Count }} H3
Links: {{ resultB.linksInternal }} Internal • {{ resultB.linksExternal }} External
Document Title
URL A {{ resultA.titleLen }} chars
{{ resultA.title }}
URL B {{ resultB.titleLen }} chars
{{ resultB.title }}
Meta Description
URL A {{ resultA.descLen }} chars
{{ resultA.desc }}
URL B {{ resultB.descLen }} chars
{{ resultB.desc }}
Canonical & Indexing Directives
URL A
Canonical:
{{ resultA.canonical }}
Robots: {{ resultA.robots }}
URL B
Canonical:
{{ resultB.canonical }}
Robots: {{ resultB.robots }}
Open Graph & Social Cards Mockup
URL A Social Card
URL B Social Card
H1 Main Heading
URL A ({{ resultA.h1Count }} H1 tags)
{{ resultA.h1 }}
URL B ({{ resultB.h1Count }} H1 tags)
{{ resultB.h1 }}
Content Volume & Readability
URL A
Total Words: {{ resultA.wordCount }} words
Reading Time: ~{{ resultA.readingTime }}
Paragraphs: {{ resultA.paragraphCount }} • Text/HTML: {{ resultA.textRatio }}%
URL B
Total Words: {{ resultB.wordCount }} words
Reading Time: ~{{ resultB.readingTime }}
Paragraphs: {{ resultB.paragraphCount }} • Text/HTML: {{ resultB.textRatio }}%
Headings Outline Tree (H1-H4)
URL A Headings Hierarchy ({{ resultA.headingsTree.length }})
{{ h.tag }} {{ h.text }}
No headings found on URL A.
URL B Headings Hierarchy ({{ resultB.headingsTree.length }})
{{ h.tag }} {{ h.text }}
No headings found on URL B.
Target Keyword: "{{ kw }}"
URL A
Found: {{ resultA.keywordsStats[i] ? resultA.keywordsStats[i].count : 0 }} times
Density: {{ resultA.keywordsStats[i] ? resultA.keywordsStats[i].density : 0 }}%
In Title In Desc In H1 Not in Meta/H1
URL B
Found: {{ resultB.keywordsStats[i] ? resultB.keywordsStats[i].count : 0 }} times
Density: {{ resultB.keywordsStats[i] ? resultB.keywordsStats[i].density : 0 }}%
In Title In Desc In H1 Not in Meta/H1

Content Gap Keywords (Used by Competitor URL B, Missing in URL A)

High-value topical terms your competitor is ranking for that your page is currently missing.

{{ k.term }} In B: {{ k.countB }}x
No major missing topical gap terms detected.

Shared Topical Keywords

Core industry keywords found across both competing URLs.

Topical Phrase / TermURL A UsageURL B UsageDifference
{{ k.term }}{{ k.countA }}x{{ k.countB }}x+{{ k.diff }} in A {{ Math.abs(k.diff) }} more in B Equal
Links Architecture Breakdown
URL A ({{ resultA.linksTotal }} Total Links)
Internal Links: {{ resultA.linksInternal }}
External Links: {{ resultA.linksExternal }} ({{ resultA.linksNofollow }} nofollow)
Empty Anchor Links: {{ resultA.linksEmptyAnchor }}
URL B ({{ resultB.linksTotal }} Total Links)
Internal Links: {{ resultB.linksInternal }}
External Links: {{ resultB.linksExternal }} ({{ resultB.linksNofollow }} nofollow)
Empty Anchor Links: {{ resultB.linksEmptyAnchor }}
Link Protocols & Security
URL A Protocol Distribution
Secure (HTTPS): {{ resultA.linksHttps }} links
Insecure (HTTP): {{ resultA.linksHttp }} links
100% Secure Links
URL B Protocol Distribution
Secure (HTTPS): {{ resultB.linksHttps }} links
Insecure (HTTP): {{ resultB.linksHttp }} links
100% Secure Links
Top Outbound Target Domains
URL A External Authorities
  • {{ d }}
No external outbound domains linked.
URL B External Authorities
  • {{ d }}
No external outbound domains linked.
Media Assets & Modern Optimization
URL A Images ({{ resultA.imgTotal }} total)
Valid Alt: {{ resultA.imgValidAlt }} • Missing Alt: {{ resultA.imgMissingAlt }}
Lazy Loading: {{ resultA.imgLazyCount }} • Modern WebP/SVG: {{ resultA.imgModernCount }}
Videos / Embeds: {{ resultA.videoCount }}
URL B Images ({{ resultB.imgTotal }} total)
Valid Alt: {{ resultB.imgValidAlt }} • Missing Alt: {{ resultB.imgMissingAlt }}
Lazy Loading: {{ resultB.imgLazyCount }} • Modern WebP/SVG: {{ resultB.imgModernCount }}
Videos / Embeds: {{ resultB.videoCount }}
Structured Data (JSON-LD Schemas)
URL A Schemas ({{ resultA.schemasCount }} blocks)
{{ st }}
No JSON-LD Schema markup detected.
URL B Schemas ({{ resultB.schemasCount }} blocks)
{{ st }}
No JSON-LD Schema markup detected.
Internationalization (Hreflangs)
URL A Languages ({{ resultA.hreflangs.length }})
{{ hr.lang }}
No alternate hreflang tags found.
URL B Languages ({{ resultB.hreflangs.length }})
{{ hr.lang }}
No alternate hreflang tags found.
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