Website-Me / practical utilities

Free SEO, GEO & digital marketing tools.

Practical browser-based tools for SEO, AI search, websites and digital performance, built around the questions people working in these disciplines actually need to answer.

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Showing 42 tools.
SEOFeatured

YouTube Video Sitemap Generator

Generate Video Sitemap XML and optional VideoObject JSON-LD from a YouTube video and its hosting page.

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Web

HTML String / Entity Encoder

Encode or decode HTML entities and HTML strings locally in your browser, with named, decimal and hexadecimal output modes.

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SEOFeatured

SERP Snippet Preview

Preview how a page title, URL and meta description may appear in a search result.

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SEOFeatured

Meta Tag Generator

Generate a clean starter set of title, description, robots, canonical, Open Graph and X card tags.

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SEOFeatured

Schema Markup Generator

Generate a conservative JSON-LD starter for common organisation, article, service, product and website entities.

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SEO

Schema Validator / Inspector

Parse pasted JSON-LD, detect schema types and flag obvious missing or suspicious fields locally.

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SEOFeatured

Robots.txt Generator

Generate a readable robots.txt starter with user-agent, allow/disallow rules and an optional sitemap declaration.

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SEO

Robots.txt Tester

Test whether a pasted robots.txt appears to allow or block a path for a selected user-agent.

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SEO

Hreflang Generator

Generate HTML link tags and sitemap-style hreflang entries from locale and URL mappings.

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SEO

Canonical Checker

Inspect pasted HTML for canonical links, duplicates, malformed URLs and obvious self-reference issues.

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SEO

Heading Structure Analyser

Inspect headings in pasted HTML for H1 count, skipped levels, empty headings and duplicates.

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SEOFeatured

Redirect Map Checker

Check pasted CSV or line-based redirect maps for duplicates, self-redirects, loops and formatting problems.

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GEO & AI searchFeatured

AI Crawler Checker

Check how a pasted robots.txt appears to treat GPTBot, OAI-SearchBot, Google-Extended, ClaudeBot and other AI-related crawlers.

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GEO & AI search

llms.txt Generator

Draft an llms.txt file from a project summary, important pages and optional sections.

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GEO & AI search

llms.txt Validator

Check a pasted llms.txt draft for headings, empty sections, duplicate URLs and basic URL formatting.

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GEO & AI search

AI Robots.txt Generator

Choose allow or disallow policies for configured AI-related crawlers and generate readable robots.txt rules.

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Digital marketing calculatorsFeatured

SEO ROI Calculator

Estimate additional visits, conversions, revenue, contribution and ROI from an expected SEO uplift.

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Digital marketing calculators

Organic Traffic Value Calculator

Estimate a PPC replacement-value proxy for organic visits using traffic and an indicative CPC.

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Digital marketing calculators

CTR Calculator

Calculate click-through rate from impressions and clicks, or estimate clicks from an expected CTR.

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Digital marketing calculators

Conversion Rate Calculator

Calculate conversion rate from visitors and conversions, or estimate conversions from an expected rate.

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Digital marketing calculators

Break-even ROAS Calculator

Calculate the minimum return on ad spend needed to cover variable costs and advertising cost.

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Digital marketing calculatorsFeatured

LTV:CAC Calculator

Compare customer lifetime value with acquisition cost and estimate a simple payback period.

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Digital marketing calculators

Average Order Value Calculator

Calculate average order value from revenue and completed orders.

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Digital marketing calculators

ROI Calculator

Calculate return on investment, profit and ROAS from revenue and cost.

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Digital marketing calculators

Customer Lifetime Value Calculator

Estimate retail or subscription customer lifetime value using margin, repeat purchase, retention and churn.

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Digital marketing calculators

LTV:CAC & Payback Period

Check LTV:CAC and simple months to pay back acquisition cost.

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Digital marketing calculators

Customer Acquisition Cost Calculator

Calculate CAC from sales and marketing spend and new customers.

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Digital marketing calculators

Break-even Conversion Rate

Calculate the minimum conversion rate needed to cover CPC from AOV and gross margin.

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Digital marketing calculators

A/B Test Sample Size

Estimate samples per variant using baseline conversion, detectable effect, power and alpha.

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Digital marketing calculators

A/B Test Significance

Compare two conversion rates with a two-proportion z-test approximation and confidence interval.

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Digital marketing calculators

SEO Traffic & Revenue Forecast

Estimate extra clicks, revenue and contribution from a CTR change.

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Digital marketing calculators

Keyword Value & Max CPC Calculator

Calculate value per click and break-even max CPC from AOV, conversion rate and margin.

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Digital marketing calculators

ROAS & Target CPA

Calculate ROAS and a target CPA from revenue, spend, gross profit and payback time.

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Digital marketing calculators

Break-even CPC & Bid Ceiling

Find break-even CPC and a target-ROAS bid ceiling from AOV, conversion rate and margin.

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Digital marketing calculators

A/B Test Duration

Estimate test days from sample size, traffic, variants, power and alpha.

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Digital marketing calculators

Conversion Uplift to Revenue

Translate a conversion-rate change into incremental revenue and contribution.

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Digital marketing calculators

Email List Growth & Churn Forecast

Project list size month by month using new subscribers and churn.

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Digital marketing calculators

Revenue per Send (RPS)

Calculate revenue per email sent for campaign or flow comparisons.

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Digital marketing calculators

Engagement Rate & CPM

Calculate engagement rate, CPM and cost per engagement from reach, impressions, spend and interactions.

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Digital marketing calculators

Influencer Fee & ROI

Estimate a CPM or CPV-based fee and model revenue from clicks and conversions.

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Digital marketing calculators

Discount Profitability & Break-even Discount

Calculate profit per unit after a discount and the maximum discount before profit reaches zero.

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Digital marketing calculators

Free Shipping Threshold Optimiser

Estimate a free-shipping threshold from AOV, shipping cost and gross margin.

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