Gente Pez Libros

Pro WordPress

Autor: Sivaraj Selvaraj

Número de Páginas: 701

Pro WordPress is your ultimate guide to unlocking the full potential of the world's leading content management system. From novice bloggers to seasoned developers, this comprehensive resource offers a step-by-step journey through every aspect of WordPress customization, security and performance optimization. With clear explanations and practical examples, you'll learn how to set up your WordPress environment, choose the right themes and plugins, and customize your site with advanced techniques such as custom post types, widgets, shortcodes, and more. Dive deep into the world of WordPress security and discover how to safeguard your website against cyber threats with strategies like two-factor authentication, secure file permissions, and regular security audits. But that's not all – this book also equips you with the tools and knowledge to optimize your site for lightning-fast performance and high search engine rankings. Learn how to leverage caching mechanisms, minimize HTTP requests, and implement SEO strategies to boost your site's speed and visibility. Whether you're managing a single WordPress site or overseeing a multisite network, you'll find invaluable insights and best...

WordPress

Autor: Sandrine Burriel

Número de Páginas: 382

Entièrement conçu pour une prise en main de la version 3.5 de Wordpress et des ses extensions les plus populaires, ce manuel d'initiation clair et fondé sur une méthode pédagogique vous permettra de créer pas à pas votre site web.

PC Mag

Número de Páginas: 422

PCMag.com is a leading authority on technology, delivering Labs-based, independent reviews of the latest products and services. Our expert industry analysis and practical solutions help you make better buying decisions and get more from technology.

Build a WordPress Website From Scratch 2023

Autor: Raphael Heide

Número de Páginas: 170

Build a WordPress Website From Scratch (2023) a comprehensive resource that covers the latest version of WordPress. Stay ahead of the curve with free updates throughout the year, ensuring you always have the most up-to-date information at your fingertips. Gone are the days when building a stunning and professional WordPress website was limited to computer experts. Now, with the power of WordPress, anyone can create a visually captivating and responsive website that looks amazing on any device, whether it's a PC, Mac, tablet, or smartphone. Whether you're launching a business site, an affiliate site, a hobby site, or a blog, WordPress is the ideal platform, and this book is here to guide you every step of the way. Designed to cater to beginners and seasoned users alike, this book aims to transform you from a WordPress novice to a confident "guru" in just a few hours. Here's what you can expect to learn: Set up and configure WordPress on your web host or local computer effortlessly. Create your dream website with detailed, hands-on instructions for various types of sites, including blogs and business websites with powerful e-commerce features. Enhance your site's visual appeal by...

WordPress for Web Developers

Autor: Stephanie Leary

Número de Páginas: 356

A complete guide for web designers and developers who want to begin building and administering sites with WordPress.

Nginx

Autor: Rahul Soni

Número de Páginas: 255

Teaches you to start up Nginx and quickly take your expertise to a level where you can comfortably work with various aspects of the web server and make informed design decisions for your web farm. Nginx powers more than 40% of the top 1000 websites and is among the handful of web servers that can handle more than 10K simultaneous connections. It has some features which are simply unparalleled. Nginx: From Beginner to Pro teaches the Nginx server in a practical way. Frequently, it is found that web administrators struggle to fix the skill set gaps that happen due to a platform change. Migration from IIS & Apache becomes tedious at best. The book is targeted toward real-world administrators who would want to get up to speed as soon as possible and make good, informed design decisions. First you will set up Nginx and understand the architectural nuances. Then you will learn how to scale out, secure, monitor and troubleshoot the web server. Once you are fully comfortable with Nginx, you will start learning about migrating applications (or its part) from IIS or Apache web servers. Finally, you will learn to troubleshoot and maintain your Nginx professionally. Written by an author who...

Gestores de contenidos para blogs (Aplicaciones web)

Autor: Jesús Niño

Número de Páginas: 14

WordPress 3

Autor: Xavier Borderie , Francis Chouquet , Amaury Balmer

Número de Páginas: 511

Professional WordPress

Autor: Hal Stern , David Damstra , Brad Williams

Número de Páginas: 475

An in-depth look at the internals of the WordPress system. As the most popular blogging and content management platform available today, WordPress is a powerful tool. This exciting book goes beyond the basics and delves into the heart of the WordPress system, offering overviews of the functional aspects of WordPress as well as plug-in and theme development. What is covered in this book? WordPress as a Content Management System Hosting Options Installing WordPress Files Database Configuration Dashboard Widgets Customizing the Dashboard Creating and Managing Content Categorizing Your Content Working with Media Comments and Discussion Working with Users Managing, Adding, Upgrading, and Using the Theme Editor Working with Widgets Adding and Managing New Plugins Configuring WordPress Exploring the Code Configuring Key Files wp-config.php file Advanced wp-config Options What's in the Core? WordPress Codex and Resources Understanding and customizing the Loop Building A Custom Query Complex Database Operations Dealing With Errors Direct Database Manipulation Building Your Own Taxonomies Plugin Packaging Create a Dashboard Widget Creating a Plugin Example Publish to the Plugin Directory...

Build a WordPress Website From Scratch 2025: Step-by-step

Autor: Raphael Heide

Número de Páginas: 244

Build a WordPress Website From Scratch 2025 The difference of this book is that it does not require any prior knowledge in web programming, because WordPress allows anyone to create their own website without the need to know how to program. WordPress offers simplified methods to create complete websites with management done through a control panel. The book explains step by step how to use these features and how to customize the site according to the preferences of the reader. With no code (but if you want some code, the sky is the limit.) Gone are the days when building a stunning and professional WordPress website was limited to computer experts. Now, with the power of WordPress, anyone can create a visually captivating and responsive website that looks amazing on any device, whether it's a PC, Mac, tablet, or smartphone. Whether you're launching a business site, an affiliate site, a hobby site, or a blog, WordPress is the ideal platform, and this book is here to guide you every step of the way. Designed to cater to beginners and seasoned users alike, this book aims to transform you from a WordPress novice to a confident "guru" in just a few hours. Here's what you can expect to...

Smashing WordPress

Autor: Thord Daniel Hedengren

Número de Páginas: 368

Thord Daniel Hedengren takes you beyond the blog to give you the tools and know-how needed to build just about anything in WordPress.

WordPress in Depth

Autor: Bud E. Smith , Michael Mccallister

Número de Páginas: 530

A guide to WordPress provides bloggers with everything they need to know to build, design, manage, and customize their blogs, including step-by-step coverage of everything from installation and security to publishing and customization, as well as themes,widgets, and plug-in

Configuration Management with Chef-Solo

Autor: Naveed Ur Rahman

Número de Páginas: 173

This is a step-by-step guide, full of hands-on examples of real-world deployment tasks. Each topic is explained and placed in context, while also pointing out the key details of the concepts used. This book is aimed at system administrators and system engineers who have an understanding of configuration management tools and infrastructure. For novice administrators, it contains easy-to-use application recipes to get started immediately.

Beginning WordPress 3

Autor: Stephanie Leary

Número de Páginas: 421

One of the most popular open source blogging and content management systems, Wordpress lets you create a website to promote yourself or your business quickly and easily—and better yet, it's free. WordPress is a flexible, user-friendly system, and it can be extended with a variety of themes and plugins. Beginning WordPress 3 is a complete guide for the beginning developer who wants to start using WordPress. You'll learn how to publish and manage online content, add media, create widgets and plugins, and much more.

Ansible

Autor: Michael Heap

Número de Páginas: 182

This book is your concise guide to Ansible, the simple way to automate apps and IT infrastructure. In less than 250 pages, this book takes you from knowing nothing about configuration management to understanding how to use Ansible in a professional setting. You will learn how to create an Ansible playbook to automatically set up an environment, ready to install an open source project. You’ll extract common tasks into roles that you can reuse across all your projects, and build your infrastructure on top of existing open source roles and modules that are available for you to use. You will learn to build your own modules to perform actions specific to your business. By the end you will create an entire cluster of virtualized machines, all of which have your applications and all their dependencies installed automatically. Finally, you'll test your Ansible playbooks. Ansible can do as much or as little as you want it to. Ansible: From Beginner to Pro will teach you the key skills you need to be an Ansible professional. You’ll be writing roles and modules and creating entire environments without human intervention in no time at all – add it to your library today. What You Will...

WordPress 3.5

Autor: Christophe Aubry

Número de Páginas: 382

"WordPress es actualmente la herramienta de creación y de gestión de sitios web más utilizada del mundo. Este CMS (Content Management System) le permitirá crear y gestionar tanto blogs como sitios web más institucionales gracias a una interfaz de gestión simple y eficaz. Empezaremos por instalar en local WordPress en su equipo y en los servicios de alojamiento web. A continuación, descubrirá la interfaz de gestión de WordPress y aprenderá a configurar su sitio web. Después veremos cómo crear textos: crear y gestionar las entradas utilizando categorías y etiquetas, administrar la publicación de las entradas, crear páginas y gestionar los menús de navegación. Veremos la forma de importar medios a la biblioteca para completar las entradas con imágenes. Para que el sitio sea participativo, puede interactuar con los usuarios gracias a los comentarios. Si hay varias personas trabajando en el contenido del sitio, puede explotar varias funciones de WordPress para la gestión de usuarios y así definir sus perfiles, lo que les otorga una serie de permisos concretos a la hora de administrar el sitio. Veremos cómo ampliar las funciones nativas de WordPress mediante la...

Google Cloud Platform in Action

Autor: John J. (jj) Geewax

Número de Páginas: 967

Summary Google Cloud Platform in Action teaches you to build and launch applications that scale, leveraging the many services on GCP to move faster than ever. You'll learn how to choose exactly the services that best suit your needs, and you'll be able to build applications that run on Google Cloud Platform and start more quickly, suffer fewer disasters, and require less maintenance. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology Thousands of developers worldwide trust Google Cloud Platform, and for good reason. With GCP, you can host your applications on the same infrastructure that powers Search, Maps, and the other Google tools you use daily. You get rock-solid reliability, an incredible array of prebuilt services, and a cost-effective, pay-only-for-what-you-use model. This book gets you started. About the Book Google Cloud Platform in Action teaches you how to deploy scalable cloud applications on GCP. Author and Google software engineer JJ Geewax is your guide as you try everything from hosting a simple WordPress web app to commanding cloud-based AI services for computer vision and natural...

200 respuestas: blogs

Número de Páginas: 321

WordPress All-in-One For Dummies

Autor: Lisa Sabin-wilson , Cory Miller , Kevin Palmer , Andrea Rennick , Michael Torbert

Número de Páginas: 915

A convenient how-to guide for maximizing your WordPress experience WordPress is a state-of-the-art blog publishing platform with nearly ten million active installations. Eight minibooks provide you with expanded coverage of the most important topics to the WordPress community, such as WordPress basics, theme designs, plug-in development, social media integration, SEO, customization, and running multiple sites. Veteran author Lisa Sabin-Wilson leads an authoritative team of authors who offer their unique knowledge and skillset while sharing invaluable advice for maximizing your site’s potential and visitor experience. Presents straightforward and easy-to-understand coverage of the basics of WordPress, the most popular blog software in use today Delves into the topics that matter most to the WordPress community, such as theme design, plug-in development, and social media integration Addresses ways to handle a variety of WordPress security issues Examines the WordPress network The word on the street is that WordPress All-in-One For Dummies presents everything you need to know about WordPress in one convenient book!

Smashing WordPress Themes

Autor: Thord Daniel Hedengren

Número de Páginas: 389

The ultimate guide to WordPress Themes - one of the hottest topics on the web today WordPress is so much more than a blogging platform, and Smashing WordPress Themes teaches readers how to make it look any way they like - from a corporate site, to a photography gallery and more WordPress is one of the hottest tools on the web today and is used by sites including The New York Times, Rolling Stone, flickr, CNN, NASA and of course Smashing Magazine Beautiful full colour throughout - web designers expect nothing less Smashing Magazine will fully support this book by by promoting it through their website and on twitter feeds

Pro WordPress Theme Development

Autor: Adam Onishi

Número de Páginas: 485

Pro WordPress Theme Development is your comprehensive guide to creating advanced WordPress themes. Designed for for professional web designers and developers who are comfortable with PHP and WordPress, this book teaches you every aspect of professional theme development. You will learn how to build themes from scratch, how to monetize the themes you create, and how to capitalize on this by creating advanced themes for your clients or selling premium themes. This book builds on your current knowledge of PHP and web development to create a WordPress theme from scratch. It uses a real-world theme example that you can build, to demonstrate each feature in a practical way. It shows you how to take control of WordPress with custom posts types and taxonomies, and covers anatomy and hierarchy, use of the loop, hooks, short codes, plug-ins and much more. WordPress is one of the most successful open-source blogging and content management systems available, and theme development has become a major part of the WordPress ecosystem. Start working with WordPress themes like a pro today with Pro WordPress Theme Development.

Wordpress

Autor: Xavier Borderie , Francis Chouquet , Amaury Balmer

Número de Páginas: 620

Ce guide permet de comprendre et d'utiliser au mieux le système de gestion de contenu WordPress. La version 3.5 représente une évolution importante du CMS.

WordPress

Autor: Jessica Neuman Beck , Matt Beck

Número de Páginas: 289

WordPress: Visual QuickStart Guide, 3E uses a visual approach to teach the essential elements of WordPress, one of the world's most popular publishing platforms. This book gives readers the tools they need to create beautiful, functional WordPress-powered sites with minimal hassle. Using plenty of screenshots and a clear, organized format, authors Jessica Neuman Beck and Matt Beck walk new users through the installation and setup process while providing valuable tips and tricks for more experienced users. With no other resource but this guide, readers can set up a fully-functional and well-designed WordPress site that takes advantage of all the features WordPress has to offer. This new, fully updated version covers all the key new and improved features of WordPress, including: using the Theme Customizer; adding custom headers and backgrounds; adding content in new ways such as posting from your desktop or mobile device, as well as importing from another WordPress blog or other blogging services; and new ways to work with media, such as editing images, using video and audio, and creating image galleries. There is also a completely new chapter on menus, which covers menu setup and...

Diseño de Blogs y Páginas Web (WordPress)

Autor: Amc College (spanish Version)

Número de Páginas: 68

Este curso se enfoca en enseñar a los estudiantes cómo utilizar WordPress para el diseño de sitios web y blogs. Los estudiantes aprenderán sobre la estructura de páginas web, la personalización de temas y la aplicación de complementos. El curso cubrirá la redacción y gestión de blogs, así como la creación de páginas y diseño de navegación. A través de proyectos prácticos, los estudiantes adquirirán habilidades para crear blogs y sitios web creativos y personalizados en la plataforma WordPress, proporcionando soluciones profesionales para sitios web personales y empresariales. Este curso es adecuado para aquellos interesados en la creación de sitios web y blogs, mejorando su capacidad de diseño en WordPress.

Créer un site internet en 7 jours avec WordPress 3.8

Autor: Thierry Cumps

Número de Páginas: 86

WordPress est sans doute le CMS (systeme de gestion de contenus) le plus utilise au monde et aussi le plus facile a utiliser. Les qualites de WordPress m'ont conduit a le preferer a tout autre CMS pour la gestion des 2 sites internet de mon association: www.cumps.fr et www.cumps.org Une des qualites de ce CMS est que les mises a jour sont pratiquement automatiques, il suffit de cliquer sur un lien. Pour ceux qui, comme moi, ont utilise un autre CMS comme Joomla, PrestaShop ou SPIP, c'est assurement un enorme avantage puisque souvent le changement d'une version importante d'un CMS nous oblige a refaire entierement le site. Le but de ce manuel est de permettre a n'importe qui ayant quelques connaissances informatique de creer son site internet avec la derniere version de WordPress.

OpenSolaris Bible

Autor: Nicholas A. Solter , Jerry Jelinek , David Miner

Número de Páginas: 740

After a beginning overview of the history of OpenSolaris, its open-source licensing, and the community development model, this book then goes on to highlight the aspects of OpenSolaris that differ from more familiar operating systems. You’ll learn how to become a power user of OpenSolaris by maximizing the abilities of advanced features like Dtrace, the fault management architecture, ZFS, the service management facility, and Zones. Authors provide insider tips, unique tricks, and practical examples to help you stay sharp with the latest features of OpenSolaris.

Build a WordPress Website From Scratch 2024

Autor: Raphael Heide

Número de Páginas: 217

Build a WordPress Website From Scratch 2024: this comprehensive resource covers the latest version of WordPress and ensures you stay ahead of the curve with free updates throughout the year, providing you with the most up-to-date information at your fingertips. Your WordPress 6.3 guide is here: Setup and Configuration: Begin by setting up and configuring WordPress on your chosen web host or local computer. This step should be effortless, and you'll find that WordPress offers user-friendly installation procedures. Website Creation: Craft your dream website using detailed, hands-on instructions. Whether you're building a blog, an e-commerce platform, or a business website, this guide provides you with the necessary insights and tools to bring your vision to life. Enhanced Visual Appeal: Elevate your site's visual appeal by seamlessly integrating various multimedia elements. Add picture galleries, captivating slideshows, engaging videos, music players, and even podcasts to make your content more dynamic and appealing. Expanded Functionality: Customize your website by selecting from the vast library of WordPress plugins. These tools cover a wide range of features, from basic contact...

A Survival Guide to Social Media and Web 2.0 Optimization

Autor: Deltina Hay

Número de Páginas: 418

It is no secret that the future of the Internet is the Social Web and that the future is this very instant. Millions of people and businesses are interacting, sharing and collaborating on social networking sites, media communities, social bookmarking sites, blogs and more. They are doing it right now, 24/7, and you and your business want to be a part of this powerful movement with as professional and efficient a presence as possible while keeping your expenses minimal.This book will show you how to use the tools of Web 2.0 to build a successful Web presence. From Squidoo to YouTube, Facebook to WordPress, wikis to widgets, blogs to RSS feeds, business owners, authors, publishers, students, PR and marketing professionals can learn to apply and integrate these tools by themselves. Gone are the days of relying on Web developers! This book arms you with the nuts and bolts of the new, open-source Internet through hands-on, real-world examples. You will be pleasantly surprised at how easy it is!

WordPress 2

Autor: Maria Langer , Miraz Jordan

Número de Páginas: 314

WordPress is an open-source personal publishing platform that is easy to use, flexible, and highly customizable. Although used primarily for publishing blogs, WordPress can easily be used to create and maintain complete Web sites. Taking the average blogger further than blogspot can, WordPress allows bloggers to create more complicated sites with their open-source technology, rather than blogger which is limited by HTML changes to their templates. This easy-to-follow, step-by-step guide shows you how to install, use, and customize WordPress to get the most from the software. Includes tips that explain why certain techniques are better than others, how to watch for potential problems, and where readers can find more information.

Building Web Apps with WordPress

Autor: Brian Messenlehner , Jason Coleman

Número de Páginas: 459

WordPress is much more than a blogging platform. As this practical guide clearly demonstrates, you can use WordPress to build web apps of any type—not mere content sites, but full-blown apps for specific tasks. If you have PHP experience with a smattering of HTML, CSS, and JavaScript, you’ll learn how to use WordPress plugins and themes to develop fast, scalable, and secure web apps, native mobile apps, web services, and even a network of multiple WordPress sites. The authors use examples from their recently released SchoolPress app to explain concepts and techniques throughout the book. All code examples are available on GitHub. Compare WordPress with traditional app development frameworks Use themes for views, and plugins for backend functionality Get suggestions for choosing WordPress plugins—or build your own Manage user accounts and roles, and access user data Build asynchronous behaviors in your app with jQuery Develop native apps for iOS and Android, using wrappers Incorporate PHP libraries, external APIs, and web service plugins Collect payments through ecommerce and membership plugins Use techniques to speed up and scale your WordPress app

Building a WordPress Blog People Want to Read

Autor: Scott Mcnulty

Número de Páginas: 429

Having your own blog isn't just for the nerdy anymore. Today, it seems everyone – from multinational corporations to a neighbor up the street – has a blog. They all have one, in part, because the folks at WordPress make it easy to get one. but to actually build a good blog – to create a blog people want to read – takes thought, planning, and some effort. From picking a theme and using tags to choosing widgets and building a community, creating your blog really starts after you set it up. In this book by blogger extraordinaire Scott McNulty, you learn how to: Install and get your WordPress blog running. Set up your site to ensure it can easily grow with you and your readers. Be the master of user accounts. Manage your site with the WordPress Dashboard and extend its capabilities with plug-ins. Make the most of images. Work with pages, templates, and links and – of course – publish your posts. Deal with comments – if you even want readers commenting at all. Find a theme – or build one yourself. Maintain your site and fix common problems.

Optimiser son référencement WordPress - 4e édition

Autor: Daniel Roch

Número de Páginas: 606

"L'ouvrage de Daniel Roch est indispensable à toute personne travaillant sur WordPress et désirant obtenir une bonne visibilité de son site sur le Web. Un "must" qui trouvera rapidement sa place !" Olivier Andrieu, expert en référencement, ht

Optimiser son référencement wordpress - 5e édition

Autor: Daniel Roch

Número de Páginas: 698

AMÉLIORER RÉELLEMENT SA VISIBILITÉ Comment décupler la visibilité d'un site sous WordPress et améliorer son classement dans Google et les autres moteurs ? L'enjeu est de bien comprendre ce CMS pour optimiser tant la structure et les réglages, le

Optimiser son référencement WordPress

Autor: Daniel Roch

Número de Páginas: 606

Comment décupler la visibilité d'un site sous WordPress et améliorer son classement dans Google et les autres moteurs de recherche ? L'enjeu est de bien comprendre ce CMS pour optimiser tant la structure et les réglages, les extensions et thèmes que les contenus. Grâce à cet ouvrage, vous transformerez WordPress en véritable outil de référencement naturel et de visibilité. Révisez et perfectionnez vos bases en référencement naturel : mots-clés, popularité, indexation, structure... Réalisez un réel audit sémantique pour définir la structure idéale de votre site. Optimisez les réglages de base, ainsi que les extensions et les thèmes de WordPress. Structurez vos publications en utilisant à bon escient taxonomies et post types, et rédigez des contenus optimisés. Allez vers le multilingue, la mobilité, l'Ajax, le multisite et l'e-commerce sans perte de visibilité sur les moteurs. Sécurisez WordPress pour ne pas nuire à votre référencement naturel et apprenez à ne pas faire confiance aux utilisateurs. Décryptez vos statistiques de trafic (web analytics) et soignez les temps de chargement. Auditez vos sites WordPress pour en corriger tous les défauts et ...

WordPress

Autor: Matt Beck , Jessica Neuman Beck

Número de Páginas: 288

WordPress: Visual QuickStart Guide, 2E uses a visual approach to teach the essential elements of WordPress, one of the world's most popular publishing platforms. This book gives readers the tools they need to create beautiful, functional WordPress-powered sites with minimal hassle. Using plenty of screenshots and a clear, organized format, authors Jessica Neuman Beck and Matt Beck walk new users through the installation and setup process while providing valuable tips and tricks for more experienced users. With no other resource but this guide, readers can set up a fully-functional and well-designed WordPress site that takes advantage of all the features WordPress has to offer. This new, fully updated version covers all the key new features of WordPress 3, including an improved welcome screen with enhanced security and usability; internal linking to articles on one's own blog; support for individual author templates; improved menu interface allowing for changes to be made from inside the WordPress dashboard; and the new, easily customizable Default Theme, Twenty Eleven, with support for child themes and header and background adjustments. It also covers more advanced features, such...

WordPress for Education

Autor: Adam D. Scott

Número de Páginas: 204

Create interactive and engaging elearning websites with WordPress.

Wordpress: A Visual Step-by-step Guide to Mastering Wordpress (A Step-by-step Guide to Designing Stunning, Professional Websites Without Coding—perfect for Beginners)

Autor: Ralph Gallegos

Número de Páginas: 235

A step-by-step guide. This ebook is designed to be a comprehensive guide for beginners who are looking to build their first website using wordpress, one of the most popular and user-friendly website building platforms available. In today's digital age, having a website is crucial for individuals and businesses alike. It serves as your online presence, a way for people to learn about you, your business, and the services you offer. Building a website might seem like a daunting task, especially if you don't have any technical background. But don’t worry! This guide will take you through the process step by step. You'll learn essential topics like: • The two different versions of wordpress. • How to set up web hosting and domain registrar the correct way. • Installing wordpress and finding your way around the dashboard. • Finding and installing wordpress themes to change the look and feel of your website instantly. • What plugins are and how they can add fabulous features to your site. • How to update wordpress, themes, and plugins. • Understand every single setting, including my recommended defaults. The difference of this book is that it does not require any prior...

Créez votre blog avec WordPress

Autor: Olivier Abou

Número de Páginas: 267

Des pistes pour une meilleure utilisation du logiciel. Des conseils pratiques pour exploiter les applications. Création d'articles, publication, archivage, insertion d'images, gestion de la musique ou de la vidéo.