Articles & Tips
Practical guides and tips for the web, productivity, and security - concise and useful.
What not to share with ChatGPT or Claude: safe AI use
Not everything belongs in an AI chat. Learn what not to share with ChatGPT or Claude, how to anonymize text, and which privacy settings to check.
How to set up SPF, DKIM and DMARC records (2026 guide)
A practical guide to SPF, DKIM and DMARC: what each record does, how to add it to DNS, what correct syntax looks like, and how to verify that it works.
Meta tags for SEO: how to write a title and meta description
Which meta tags are worth checking for SEO, how to write a useful page title and meta description, and what to review before publishing a page.
How to Increase Your Domain Rating (DR)
Domain Rating shows the strength of your website's backlink profile. Learn what the metric means, how to check it for free and which tactics actually move it.
How to add an “Add to calendar” button to a website or email
An .ics file can work as a simple “Add to calendar” button on a website, in a newsletter, or in a confirmation email. Create the event, upload the file, and link to it.
