👋 Hey Reader, Welcome back to another episode of TechSEO Vitals Newsletter! I’ll start with one anecdote. Would you go for a 3-day trek in the mountains with 8 kg extra in your backpack that you know you won’t need at all? Because that’s what we do with the majority of websites. On average, almost 50% of the code we require visitors to download goes completely unused. Mainly JavaScript and CSS. The impact goes beyond just performance and business metrics. Think about your smartphone battery....
about 1 month ago • 4 min read
👋 Hey Reader, Welcome back to another episode of TechSEO Vitals Newsletter! Did you know that when your website is incorrectly configured, it can have eight times more pages than it should? Eight identical versions of the same page. The only difference is the URL address in the browser. This type of issue can easily kill any website, even when it has great backlinks and content. It’s time to talk one more time about how important it is to have a strong foundation for your house. Otherwise,...
about 1 month ago • 4 min read
👋 Hey Reader, Welcome back to another episode of TechSEO Vitals Newsletter! Over my years as a technical SEO consultant, I've noticed something... The same issues appear across most websites I worked with. These sites ignore valuable strategies that could double their results within weeks. Today, let's talk about one of these overlooked strategies: internal link building. It's relatively easy to implement. The costs are minimal. And the results? Often impressive. Getting better positions in...
about 2 months ago • 4 min read
👋 Hey Reader, Welcome back to another episode of TechSEO Vitals Newsletter! It’s been over a year since we’ve known that most LLM and AI search engines don’t render JavaScript when they crawl our websites. ChatGPT, Claude, and Perplexity simply skip JavaScript entirely. I first wrote about this on LinkedIn last year. However, not much has changed since then. Every day, I visit websites that rely entirely on JavaScript rendering. Their owners don’t realize they need server-side rendering at a...
2 months ago • 4 min read
👋 Hey Reader, Welcome back to another episode of TechSEO Vitals Newsletter! This week, we're tackling your website's most expensive single point of failure, which most companies don't even know exists. One wrong character in a simple text file can make your entire business invisible to Google and other search engines. Let's dive in 🤿 ➡️ TL;DR One wrong line in robots.txt can block your entire website from search engines. HubSpot lost 10.5 million pages from Google due to a simple...
3 months ago • 5 min read
👋 Hey Reader, Welcome back to another episode of the TechSEO Vitals Newsletter! This week, we're tackling something that's silently killing conversions on most websites - and you probably don't even know it's happening. Let's dive in 🤿 ➡️ TL;DR Slow website interactions (measured by INP) are costing businesses millions in lost revenue. Rakuten saw a 53% revenue per visitor increase after fixing interaction delays. 97% of desktop sites perform well, but only 65% of mobile sites meet Google’s...
3 months ago • 4 min read
👋 Hey Reader, After two weeks I’m back with a new episode of the TechSEO Vitals Newsletter. This time we will dive into a topic about something that annoys all of us when it happens. So let’s dive in. Feedbacks are welcome! 🙏 ➡️ TL;DR Visual instability known as Cumulative Layout Shift (CLS) directly impacts revenue. Carpe increased revenue by $150K monthly after fixing CLS. The problem is widespread but fixable. Most sites can improve visual stability in days by adding image dimensions and...
4 months ago • 4 min read
👋 Hey Reader, After a short break, I'm back with a new episode of TechSEO Vitals newsletter and a slightly improved episode structure. Since more than half of subscribers are business-oriented, I'm splitting each episode into two parts. The business side of the problem, and developer's corner for a deeper dive into the technical aspect of the issue. I hope you'll enjoy this new structure I’ve designed. Feedbacks are welcome! 🙏 ➡️ TL;DR Slow-loading main content drives away customers. Sites...
4 months ago • 4 min read
👋 Welcome to the TechSEO Vitals Newsletter #18 Hey Reader, Time to First Byte, commonly known as TTFB, stands as the most critical metric in technical SEO and overall web performance. Basically, it measures the wait time from when you hit enter until your browser receives its first response from the website’s server. During this time, you see nothing but a blank screen. Unfortunately, TTFB is also one of the hardest metrics to improve because the underlying issues often run deep within your...
6 months ago • 3 min read