SEO Checklist Update

SEO Checklist
Purposes
Before
Market Analysis
to consider
Domain
robots.txt
sitemap.xml
Crawlability
Indexability
HTTP status code
Redirections
Site URL
HTTPS
check redirections
navigation path
Internal link structure
Breadcrumbs
absolute link under HTTP
find not-HTML elements
No-JS Navigation check
CSS
Avoid iFrames
Check text/html ratio
Meta tag
Images
schema.org markup
Custom 404 page
Content optimization
Usability
Inbound
Social signals
Google penalties
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