Expert On-Site SEO Knowledge Base

Provides expert guidance on on-site SEO optimization, covering technical and strategic aspects for improved search engine performance.

Install this skill

26/100

Security score

The Expert On-Site SEO Knowledge Base skill was audited on Feb 22, 2026 and we found 70 security issues across 2 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

medium line 892

Curl to non-GitHub URL

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892	curl -A "Googlebot" https://example.com/

low line 59

External URL reference

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59	https://example.com/services/seo/

low line 60

External URL reference

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60	https://example.com/blog/on-site-seo-guide/

low line 61

External URL reference

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61	https://example.com/products/shoes/running/

low line 64

External URL reference

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64	https://example.com/page?id=123&session=xyz

low line 65

External URL reference

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65	https://example.com/index.php?cat=5

low line 66

External URL reference

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66	https://example.com////multiple-slashes

low line 104

External URL reference

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104	Sitemap: https://example.com/sitemap.xml

low line 141

External URL reference

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141	<link rel="canonical" href="https://example.com/page/">

low line 144

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144	<link rel="canonical" href="https://example.com/original-page/">

low line 252

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252	"@context": "https://schema.org",

low line 255

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255	"url": "https://example.com",

low line 256

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256	"logo": "https://example.com/logo.png",

low line 258

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258	"https://facebook.com/company",

low line 259

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259	"https://twitter.com/company"

low line 272

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272	"@context": "https://schema.org",

low line 296

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296	"@context": "https://schema.org",

low line 299

External URL reference

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299	"image": "https://example.com/image.jpg",

low line 311

External URL reference

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311	"url": "https://example.com/logo.png"

low line 317

External URL reference

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317	"@id": "https://example.com/article/"

low line 325

External URL reference

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325	"@context": "https://schema.org",

low line 332

External URL reference

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332	"item": "https://example.com/"

low line 338

External URL reference

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338	"item": "https://example.com/category/"

low line 344

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344	"item": "https://example.com/category/page/"

low line 353

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353	"@context": "https://schema.org",

low line 371

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371	"@context": "https://schema.org",

low line 374

External URL reference

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374	"image": "https://example.com/product.jpg",

low line 384

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384	"availability": "https://schema.org/InStock",

low line 385

External URL reference

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385	"url": "https://example.com/product/"

low line 503

External URL reference

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503	<a href="https://developers.google.com/search" rel="noopener">Google Search Central</a>

low line 506

External URL reference

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506	<a href="https://example.com" rel="sponsored">Partner Site</a>

low line 509

External URL reference

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509	<a href="https://example.com" rel="ugc">User Comment Link</a>

low line 512

External URL reference

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512	<a href="https://example.com" rel="nofollow">Untrusted Link</a>

low line 534

External URL reference

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534	<link rel="canonical" href="https://example.com/original/">

low line 537

External URL reference

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537	Original: https://example.com/product/?color=red

low line 538

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538	Canonical: https://example.com/product/

low line 541

External URL reference

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541	Page 2: <link rel="canonical" href="https://example.com/category/?page=2">

low line 621

External URL reference

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621	<link rel="alternate" hreflang="en-us" href="https://example.com/en-us/">

low line 624

External URL reference

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624	<link rel="alternate" hreflang="es-es" href="https://example.com/es-es/">

low line 627

External URL reference

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627	<link rel="alternate" hreflang="es-cl" href="https://example.com/es-cl/">

low line 630

External URL reference

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630	<link rel="alternate" hreflang="x-default" href="https://example.com/">

low line 633

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633	<link rel="alternate" hreflang="en-us" href="https://example.com/en-us/">

low line 676

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676	"@context": "https://schema.org",

low line 679

External URL reference

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679	"image": ["https://example.com/product1.jpg", "https://example.com/product2.jpg"],

low line 689

External URL reference

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689	"url": "https://example.com/product/",

low line 693

External URL reference

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693	"availability": "https://schema.org/InStock",

low line 694

External URL reference

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694	"itemCondition": "https://schema.org/NewCondition"

low line 745

External URL reference

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745	Canonical: <link rel="canonical" href="https://example.com/shoes/">

low line 759

External URL reference

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759	"availability": "https://schema.org/OutOfStock"

low line 775

External URL reference

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775	<link rel="canonical" href="https://example.com/category/?page=2">

low line 800

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800	"@context": "https://schema.org",

low line 892

External URL reference

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892	curl -A "Googlebot" https://example.com/

low line 911

External URL reference

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911	"@context": "https://schema.org",

low line 915

External URL reference

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915	"thumbnailUrl": "https://example.com/thumbnail.jpg",

low line 918

External URL reference

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918	"contentUrl": "https://example.com/video.mp4",

low line 919

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919	"embedUrl": "https://example.com/embed/video"

low line 1006

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1006	<img src="http://example.com/image.jpg">

low line 1009

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1009	<img src="https://example.com/image.jpg">

low line 1015

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1015	<link rel="canonical" href="https://example.com/page/">

low line 1177

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1177	<link rel="canonical" href="https://example.com/page/">

low line 1181

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1181	<meta property="og:url" content="https://example.com/page/">

low line 1184

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1184	<meta property="og:image" content="https://example.com/image.jpg">

low line 1188

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1188	<meta name="twitter:url" content="https://example.com/page/">

low line 1191

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1191	<meta name="twitter:image" content="https://example.com/image.jpg">

low line 1202

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1202	"@context": "https://schema.org",

low line 1206

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1206	"url": "https://example.com/page/"

low line 1229

External URL reference

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1229	Sitemap: https://example.com/sitemap.xml

low line 1238

External URL reference

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1238	RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [L,R=301]

low line 1242

External URL reference

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1242	RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [L,R=301]

low line 1247

External URL reference

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1247	RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1/ [L,R=301]

Scanned on Feb 22, 2026

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Install this skill with one command

/learn @osvaldovegacasanova/expert-on-site-seo-knowledge-base

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Categorymarketing

UpdatedMarch 29, 2026

claude-code cursor windsurf cline roo-code amp codex goose trae opencode vibe manus antigravity gemini-cli cross-platform seo-specialist content-marketer marketing-analyst marketing

osvaldovegacasanova/doe