Newsletter hosting QA
Newsletter Web Version Checker
Scan email HTML or a hosted archive page for view-in-browser links, archive links, canonical tags, and titles before send.
Waiting for HTML0/100
HTML
Paste the email HTML or the hosted web-version page. Scanning stays in this browser.
HTML is processed locally. Links are not fetched and nothing is uploaded.
MissingWeb version checks
Results are heuristic signals for launch QA, not a live crawl of the hosted page.
Paste HTML or load the example to run the scan.
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Focused SEO checks
SEO tools turn a specific page, tag, or file into concrete output you can copy, validate, or preview.
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Quick workflow
- Enter the target URL, metadata, or rule set.
- Generate or validate the SEO output.
- Copy the result and test related robots, sitemap, canonical, or social tags.
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Useful tip
Work in a sequence: metadata, canonical, robots, sitemap, then social preview and schema markup.
Suggested next steps
Continue with tools that often pair well with this task.
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Next stepEmail Link Tracking Auditor
Paste email HTML, extract links, and check UTM tags, HTTPS, duplicates, and click wrappers locally.
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Next stepEmail Subject Preview
Preview email subject lines and preheaders across inbox clients
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Next stepHTML Email Inliner
Inline CSS styles into HTML email templates
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Next stepCampaign Launch Checklist
Build a channel-aware launch checklist, track verified completion and blockers, and export Markdown, CSV, or JSON locally.
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Email Dark Mode Preview
Preview email HTML side by side in light and dark modes, simulate common inversion behavior, and review dark-mode risks locally.
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Social Copy Preview
Preview X, LinkedIn, and Facebook post length, truncation risk, hashtags, mentions, links, and share copy readability.
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Internal Link Anchor Audit
Audit internal links, empty anchors, generic anchor text, repeated anchors, repeated target URLs, and external links from pasted HTML or URL lists.
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Product Variant Schema Builder
Build Product and AggregateOffer JSON-LD for ecommerce SKUs and variants before launch.
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X-Robots-Tag Header Planner
Generate X-Robots-Tag headers for PDFs, images, downloads, and other non-HTML assets before launch
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Image Sitemap Generator
Generate image sitemap XML from page and image URL pairs for product pages, blogs, and visual landing pages.
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File Diff
Compare differences between two files
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URL Slug Generator
Generate URL-friendly slugs