In today’s world the number of things that need to be taken care of in order for our website to be positively perceived by search engines and real users is so large that it is difficult to do without supporting tools. Fortunately, these tools are becoming more and more powerful, making it easier for us to spot problems and shortcomings that may result in worse results, lower search engine positions, poorer conversions. In this entry I will focus only on the most basic tools, a kind of must have for every website owner who wants to rely on data.

PageSpeed Insights
PageSpeed Insights analyzes our website in terms of correct display on mobile and desktop devices. The audit covers all parameters related to page performance and user experience, but it also contains many valuable hints concerning problems or errors in our code. The tool analyzes if we are displaying images correctly, using proper HTML tags, JS code is properly embedded on the page.

Google Search Console
Google Search Console provides us with reports related to indexing our website by the Google search engine. Here we have the opportunity to see if the bots encountered any problems during this process. We will see a report related to the searches that led users to our site. We will also check for security errors detected by the search engine. It is also worth to enter the url of the sitemap in Sitemaps menu, it will be helpful in indexation process. The panel also allows us to view the pages that link to us, as well as the most frequently internally linked subpages.

Google Analytics
Free tool that collects data about users visiting our site. This is where you will find all the demographic information, track how visitors use the site. It also allows you to measure engagement, monetization, conversion or track defined events.

The W3C Markup Validation Service
It is also a good idea to validate the HTML code of our site with the W3C Validator.

Mobile-Friendly Test
Basic tool to verify, if your page is easy to use on a mobile device.