Blog
Guides, tips, and tutorials on SEO, web development, security, and content creation.
Calculators & Finance
How to Calculate Sales Tax, VAT and GST
Adding tax to a price is simple once you know the steps. Here is how to calculate sales tax, VAT and GST — and how to work backwards from a total.
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Calculators & Finance
How to Split a Bill and Calculate the Tip
No more awkward maths at the table. Here is how to calculate a tip, split a bill fairly, and handle tax — fast, in your head or with a tool.
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Calculators & Finance
How to Calculate ROI (Return on Investment)
ROI tells you whether an investment actually paid off. Here is the simple formula, a worked example, and the traps that make ROI misleading.
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SEO
What Is a Meta Description? How to Write One That Gets Clicks
A meta description is your free ad copy in Google. Here is what it does, the ideal length, and how to write one that earns the click.
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SEO
What Is an XML Sitemap and How to Create One Free
An XML sitemap helps Google find every page on your site. Here is what it is, why it matters, and how to create and submit one for free.
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SEO
How to Write a robots.txt File (With Examples)
robots.txt controls what search engines crawl. Get it wrong and you can hide your whole site. Here is how to write one correctly, with examples.
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SEO
Keyword Density: The Myth of the Perfect Percentage
Is there an ideal keyword density for SEO? Short answer: no. Here is what keyword density really tells you and how to use it sensibly.
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SEO
What Is Open Graph? Control How Your Links Look When Shared
Ever shared a link that looked broken on Facebook or X? Open Graph tags fix that. Here is how they work and how to set them up free.
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SEO
What Is Schema Markup and How It Wins You Rich Results
Schema markup is how you get star ratings, FAQs and other rich results in Google. Here is what it is, why it matters, and how to add it.
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