Information about hardware and navigation

Hardware: Software: Data: Loading of pages with tables: Navigation and buttons:

The site is made for computers and laptops, not for small toys such as tablets and mobile phones. I have tested the site with Chrome and Edge on my computer and I made the site usable for my Samsung tablet with Chrome Android. I have not tested with other browsers such as Safari and Firefox or with mobile phones or other tablets. This website uses JavaScript and HTML. It does not use cookies. There is no database connected. Loading can sometimes be slow. It depends on the size of the selection made and the hardware. The Back and Forward buttons of a browser do not always function in each browser on pages with frames. Use the icons , and . The URL in the address bar of a page with frames leads only to the initial page and not to any content you have chosen (for example, a specific tree or list on the left and an ancestor or profile page on the right). For getting the URL of the page with the current content: click on . : back to the homepage : backwards on the same page : forwards on the same page ← | : click and the left part of the page narrows |→ : click and the left part of the page widens : opens a page with information : closes the page : opens some hidden lines : hides those lines : opens the ancestor page of that person : returns to person page : returns to the initial selection : sorts rows : opens all folders : closes all folders : to top of page : to URL of page