Letter F9 terms in the glossary

A brand's page on Facebook or another social network, used for publishing content and staying in touch with customers. It is often also the first place a customer checks to see whether the company is still active.

An outdated fanpage does more harm than not having one - a last post from two years ago signals something about the company's health.

The icon representing a site in the browser tab, the bookmarks list, and a phone's home screen. A visual-identity element that lets a user find a tab among a dozen open ones.

It has to be legible at 16 × 16 pixels. A full logo usually does not fit at that size - a shortened mark or a single letter works better.

The process of stripping out of the code what a developer needs but a browser doesn’t: comments, whitespace, long variable names. The file becomes smaller and downloads faster, while working identically.

One of the lowest-cost, highest-payoff steps in speed optimization - usually automated by the build tool rather than done by hand.

An Adobe technology once used for animation, games, and video players. Discontinued at the end of 2020 due to performance and security issues.

Modern browsers and mobile devices do not support it. Sites built on Flash are today unreadable to users and invisible to search engines - HTML5 has replaced it.

A complete set of letters, digits, and symbols designed in one style. They are divided into serif (Times, Georgia), sans-serif (Arial, Montserrat), script, and decorative.

On screen, what matters most is legibility and the number of available weights. It is worth checking whether a typeface supports Polish diacritical marks - not all of them do.

A technique for splitting the browser window into areas with separate HTML documents. Removed from the standard - search engines struggle to attribute content to a URL, and users cannot link to a specific view.

The modern equivalent is the iframe element, used selectively to embed maps, videos, and forms from external systems.

A ready-made set of structures and tools within which the actual application is written. It dictates how code is organized, so a team does not have to settle the same questions from scratch on every project.

In the interface layer, React, Vue, and Astro are popular; on the server side, Laravel, Django, or Ruby on Rails. The choice has consequences for years - it determines who can later be hired to maintain it.

Regularly publishing new or updated content on a site - a signal to the search engine that the site is active and valuable to users.

It's not about publishing for its own sake - fresh content works when it genuinely addresses the current needs and questions of the audience.

Everything visible in the browser: layout, typography, buttons, forms, animations, and navigation. It is built with HTML, CSS, and JavaScript, often with the help of a framework.

A good frontend is not just about looks - it is also responsible for loading speed, accessibility for screen-reader users, and correct behavior on phones.