SEO technical concepts
SEO or Search Engine Optimization is the process of enhancing a websiteâs traffic by increasing its visibility (a.k.a impressions) on search engine results pages (SERP).
Constant optimizations on the content, site performance, usability, and link profile significantly improve your website’s search engine visibility.
No matter how excellent an online service is, it wonât pay off until you offer it to the right audience.
A website listed on the 10th page of search results wonât stand a chance against its better-positioned competitors.
As a web developer, you might not need to worry about SEO if you have an SEO expert (or experts) in the team. However, knowing the basics, especially the technical SEO, will help you create more SEO-friendly systems right from the beginning.
In technical SEO, micro-adjustments make a difference when they all come together; Page load speed (performance), page responsiveness, page structure fall under technical SEO.
To evaluate a website’s technical health, you can use site audit tools such as PageSpeed Insights by Google, Lighthouse in Google Chromeâs Devtools, GTMetrix, and SEMRush.
These tools audit your site and tell you whatâs already good, what could be better, and what has to be fixed.
Hereâs an example of Googleâs PageSpeed Insight evaluating a siteâs performance for mobile users:
To be good at technical SEO, you need to learn about website performance.
To be good at technical SEO, you need to learn about website performance.
The first step is to know the performance metrics that have an impact on your websiteâs ranking.
Metrics like First Contentful Paint (FCP), First Input Delay (FID), Largest Contentful Paint (LCP), and Cumulative Layout Shift (CLS) are the most important metrics when it comes to performance – as you can see in the above screenshot.
FID, LCP, and CLS are known as Core Web Vitals.
CWV is becoming an official ranking factor by Google.
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