Practical notes on SEO.
Every Google search, YouTube video and AI prompt relies on a vast network of data centres. Discover how Google's infrastructure powers the modern internet, why AI is driving unprecedented growth and the challenges of building the next generation of digital infrastructure.
Received an unnatural links warning in Google Search Console? Learn what Google's link-related manual actions mean, how to investigate suspicious backlinks and the steps required to recover your website's search visibility.
Do links in blog comments still help SEO? While blog commenting was once a popular link-building tactic, modern search engines treat most comment links very differently. Learn how Google views comment links, nofollow attributes and user-generated content in 2026.
How can you tell whether Google has indexed your website properly? Learn how to use Google Search Console, the URL Inspection Tool and indexing reports to identify crawling and indexing issues before they affect your search visibility.
Is a particular SEO tactic helping users or simply trying to manipulate search rankings? Understanding the difference between white hat, grey hat and black hat SEO is essential for building sustainable search visibility in 2026.
HTTPS has evolved from a niche SEO consideration into a fundamental requirement for every modern website. Learn how HTTPS works, why Google still considers it a ranking signal and why security, trust and user experience matter more than ever in 2026.
Can changing hosting provider improve SEO? This real-world case study compares response times before and after migrating from a dedicated server to AWS and explores how hosting performance influences Core Web Vitals, page speed and user experience.
Meta descriptions remain an important part of SEO, but Google doesn't always use them. Learn how Google generates search snippets and whether every page needs a meta description in 2026.
Search engines don't search the internet in real time. Instead, they work more like a giant digital librarian, using crawlers, indexes and ranking systems to organise billions of web pages and retrieve the most relevant results in a fraction of a second.