Search engine optimization
SEO Insights
124 articlesLatest article: October 7, 2026Page 5 of 11
The 10 Most Important Meta Tags
Title, description, headings, robots, viewport, canonical, hreflang, charset and author, with the code for each and a tool to check it.
What Is Viewport? Screen Size and the Meta Tag
Viewport is the visible area of a screen, and also a meta tag in HTML 5. What the tag does, how to write it, and the code we recommend for accessibility.
The Best SEO Friendly WordPress Themes
Astra, GeneratePress, Divi, OceanWP, Neve and Kadence compared on speed, SEO, page builders and schema, with a table at the end.
What Is Alt Text? The Golden Rule of Image SEO
What alt text means, why it matters for search and for screen readers, and how to write it well: length, keywords, captions and the mistakes to avoid.
What Is Inline CSS? How to Check In-Line Styling
What inline CSS is, how the style attribute works, where it helps and where it hurts page speed, plus a tool that lists every inline style on your page.
What Is Gzip? How to Enable Gzip Compression
What gzip is and how it works, how to enable it on Apache, PHP, WordPress and NGINX, how it compares with bzip2, xz and zstd, plus a test for your own site.
Fixing “Avoid an Excessive DOM Size” in WordPress
What Lighthouse means by an excessive DOM size, the three thresholds it checks, why the theme is usually to blame, and four ways to bring the count down.
What Is a Meta Description? Length, Example and Tips
What a meta description is, how long it should be in characters and pixels, why Google sometimes rewrites it, and what makes one strong enough to earn clicks.
A Plugin That Lists Every Outgoing Link
SEO External Links Lister, our free WordPress plugin: see every external link your site gives out, exclude the common domains, install it by hand.
Site IP Lookup: Which IP and Data Center Hosts a Site
Look up the IP address behind any website plus its country, city, ISP and AS, and see which data center physically hosts it. Free, with no sign-up.
The Most Used Domain Extensions in Germany
Country, regional and city extensions across the DACH region, plus the German language TLDs with the most registrations worldwide.
App Store Optimization (ASO)
Six steps to getting your app found: audience, keywords, description, visuals, translation and reviews, plus one wild card tip.
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