OpenClassrooms

Drive traffic to your website by improving its crawlability and speed. Also learn how to optimize a website coded in JavaScript or a multilingual website to meet the requirements of search engines.

Whether you use Excel, LibreOffice Calc, Numbers on Mac, or Google Sheets on Drive, follow this course to master the basics of spreadsheets. You'll find out how to format, analyze, and visualize basic data.

Start programming by learning one of the most popular programming languages. C# will allow you to build a variety of secure and robust applications that run on Microsoft's .NET Framework.

Find out how to implement an effective SEO strategy as part of your organization's overall online marketing plan. Increase organic traffic from Google to your website.

Teamwork is an essential skill, whatever your choice of career. And it can be learned! In this course, you will see some behavioural techniques to take advantage of a team's formidable leverage: collective intelligence.

Speed up your Java web application development time with an MVC framework. Spring Boot does the heavy lifting for you so you can create better web applications, in much less time.

The ability to learn quickly and effectively is a key skill that can open the door to any domain or career throughout your life. Follow this course to improve your learning capacity and to take control of your personal and professional development!

Learn to create your first web pages using HTML and CSS, the two most important languages on the web. No coding experience required!

Go beyond basic HTML and CSS skills and learn how to create great layouts using CSS layout techniques!

The command line in Terminal is where a lot of programming efficiency happens. Take this course to better communicate with your computer!

Using Git and Github is key for programmers, especially when working on a team! Manage your source code and track changes to your files with version control. Fix mistakes with Git commands!

Learn to write clean, maintainable, and modular CSS code through the implementation of designed naming and file structures, such as BEM, and the use of Sass, a CSS precompiler.

We are wired to be drawn to motion! By animating elements of a web page, we can guide the attention of our visitors, creating a more fluid user experience. Take your CSS skills to the next level and bring your web pages to life with modern CSS animations!

Build a strong foundation in web development by learning and practicing JavaScript, one of the major programming languages on the web. You'll even create a simple application!

Take your JavaScript skills to the back end with Node, Express, and MongoDB — build everything from secure web services to full-featured APIs, creating tools for front end developers to interact with easily.

Does the web interest you, but you aren’t totally clear on how the whole thing works behind the scenes? Learn internet history, vocabulary, logistics, and more with this course!

To create a quality app that users love, you've got to test it properly! Discover the power of unit, integration, and end-to-end tests, use test-driven development and leverage the power of JUnit and Mockito to deliver applications that do what they're supposed to do!

Boost the use of your services, and your organization’s growth and profit with customer relationship management (CRM) strategy and relevant digital software.

To create a quality application, you must implement secure coding practices! Learn to apply the techniques of OWASP, an online community providing invaluable techniques and tools for reducing security risks in web development.

Co-workers don't always get along, and it can affect their work. In this course, you’ll learn conflict resolution strategies to help resolve issues or avoid conflict altogether.

Use your JavaScript skills to build interactive, dynamic web apps. Learn to interact with your users and to leverage external APIs to build rich, immersive user experiences.

Adopt MVC code design architecture in order to build sustainable code.

It’s time to enhance your skills with the knowledge of a founding concept of most modern programming languages: Object Oriented Programming (OOP).

In this course we'll be learning how to use the popular React JavaScript library. It is highly performant at rendering web apps. It also demonstrates architectural ideas from functional programming that you will likely use throughout your career as a developer.

jQuery can radically simplify your JavaScript and frontend development. Learn more about the open-source library in this course!

Find out how fun and rewarding programming in Python can be! In this course, you will learn how to use and write functions, get hands-on practice on data analysis, and start working on your very first algorithm!

Get ready to build your first Android app: TopQuiz! Along the way, you’ll learn the fundamentals of Android development: architecture, screen design, and all the tools you’ll need to build your own applications.

Lead a one-on-one session with a client and build rapport by carrying out a needs analysis and creating a career development plan.

Discover different ways of saving data on Android using Kotlin! Save data in a phone's memory by using a performant relational database and ensure that your users can use their apps in offline mode.

Find out how rewarding programming can be! In this course, you'll learn the principles of object-oriented programming, get hands-on practice with interactive exercises, and start your very own app!

What's the new programming language that's taking over Android development? Dive into this course and get hands on practice working with Kotlin! With a step by step comparison with Java, you'll work with Kotlin classes, extensions, lambdas, and more!

Have you been thinking about a career in software development? Do you find computers and computer lingo a bit foreign? This course demystifies jargon and puts computer programming within reach!

Learn how to enrich your app with dynamic content delivered in real-time from remote sources via a network. You will also learn about SOLID coding principles.

Start hunting down bugs with Visual Studio! Discover through concrete examples the tips, tools, and methodology for getting to the root of problems in your code and fixing errors with unit tests.

Learn the principles of Agile software development. Discover how a SCRUM team plans a sprint, builds feedback into each cycle, creates retrospectives, and holds daily standups.

Transform your computer into a programming powerhouse! Install everything you need to set up your first Java projects, including Eclipse, the most widely used integrated development environment.

Use wireframes to better understand the way a website or app works. Diagram user flows to make sure the steps are all in place.

In this course, you will learn how to create a project plan for large external clients - working with the budget and costing but also with the estimation of work and planning delivery dates.

Mobilize good practices in public speaking! Discover how to create your content with the techniques of storytelling and mind mapping, how to rehearse effectively and how to master your performance.

Networking can help you plug into your industry in many ways. It helps you learn about interesting career paths, be aware of job openings and more. With this course, build a personal networking strategy that works for you.

Learn to communicate like a Product Manager! Define the details of a feature to be built with User Stories and Acceptance Tests, and use the Agile Requirements Format to store requirements on a wiki.

Gain firsthand experience in design thinking — empathy, define, ideate, prototype, test — through hosting a workshop! We'll also examine design sprints.

In this course, you will learn how to represent data using the relational model and apply relational algebra concepts to SQL, the world's most popular query language to query databases.

Understanding, creating, and editing software will allow you to become a player in the world of web development. This course will get you rolling with JavaScript, one of the major languages on the web!

Learn how to stay abreast of industry changes, pinpoint areas for professional development, and work more efficiently in the digital age.

Have you identified a gig or a full-time job opportunity that interests you? Now is the time to apply! This course will help you succeed in getting that target job by guiding you through how to craft a tailor-made cover letter and prepare for an interview.

Python has emerged as a prominent language for all things Data Science. Operate in a Jupyter notebook and learn how to use the essential libraries like NumPy, Matplotlib and Pandas.

Testing is essential for creating high quality apps that users love. Learn best practices with test-driven development and behavior-driven development. Make your C# applications robust with unit testing, mock testing, and integration testing.

Start to explore the world in new ways through the lens of a user experience designer. Learn the key UX principles and processes that will take you from research through design.

Roadmaps help define and share what direction your team will take to make the product vision a reality. Use tools like impact mapping and story mapping to help you create a theme-based roadmap that shows how you will achieve your goals.

Career coaches can work in various settings such as a home-based freelancer, at a coaching firm, and at a job centre. In this course, become more familiar with the various working contexts of a career coach, specific tasks, as well as potential incomes.

Find out what a product manager is, what they do, and what their roles and responsibilities are. Learn about the types of interaction that a product manager might have with the rest of the organization and describe the characteristics of a good product manager.

Create unit tests to minimize bugs. Your mobile apps will be reliable and you'll make your users happy.

Effective product managers are data-driven in their decision-making. Learn the necessary concepts, tools and frameworks to ensure that your product goals are being met.

In order to know how good an idea is, you need to research the competition, identify a market segment, find and interview potential customers, and develop target personas.

Prototyping is an excellent way to communicate and get feedback - whether it is customers, stakeholders or even your own developers. Learn the process of identifying a minimum viable product!

Turn your computer into a programming powerhouse! Use Visual Studio, an Integrated Development Environment, or IDE, to set up your first .NET projects and start coding in C#.

You've set up as a freelancer. So what next? On this course, you'll learn how to plan your working days; manage your cash flow; set positive, realistic goals; identify the multiple roles you'll have and decide how much to charge.

Develop your writing skills to give yourself a competitive advantage in the world of design. UX designers also need to be part content strategists and UX writers.

Writing code is great, but you've gotta keep an eye on what you're doing! You'll need to manage your project (whether using Agile, Scrum, or a different workflow) from start to finish in order to hit your deadlines and keep everyone happy.

WordPress is an indispensable tool for building any type of website. It'll serve you well to know how to launch a good-looking site quickly on the platform.

Being able to map out data structures is an important part of development! Designed for beginners, this course will help you discover UML, a great way to think about modeling.

Use Unified Modeling Language, or UML, to make your first real project database! You'll learn how to diagram, build a database, and run basic SQL queries.

Look under the hood of your favorite websites using DevTools. See their HTML elements, CSS, JavaScript, and more!

Storytelling and graphic design are powerful tools to communicate your ideas. Be sure to document your work along the way.

Apply best practices for usability testing and learn methods for gaining insights into mental models of users, as well as sharing your findings.

Get out into the world and understand how people actually behave vs. what they say they do. Move past expectations and assumptions to uncover valuable insights through ethnography, interviews and participant observation.

Every product is different. Examine the metrics that will help inform design decisions. Use storytelling to communicate data visually through simple but effective charts and graphs.

Make your work stand out from the competition by creating an eye-catching portfolio with beautifully designed case studies. Don't forget to consider your entire online presence!

Understand human behavior, habits, and emotion in order to make better design decisions.

Are you an independent worker, or do you hope to become one? Do you sell or promote your services online? Find your next clients online by building and developing your freelance digital commercial strategy.

Want to freelance, but unsure where to start? From setting up legally, choosing a name and securing work to finding funding and writing a business plan, this course will guide you on your journey to UK self-employment, and also offer invaluable tips and advice to freelancers everywhere.

Learn the tools to keep any project organized and to collaborate with other team members.

Every product vision contains many assumptions. The Lean Startup methodology gives us a framework for applying a "build measure learn" approach to validating our assumptions through designing experiments and analysing the resulting data.

Heroku is a platform that will allow you to easily deploy Rails apps. Learn more about it and find their documentation here.

Understand and alter existing Swift code efficiently and sustainably. In this course, you will discover the benefits of implementing tests and learn how to practice test driven development.

Explore design systems and develop your own graphic design eye in user interface (UI) or product design.

Do you want to find a new career path? Or boost the one you're currently on? Develop a personalised career plan step by step and open the door to your next professional opportunity!

Effectively prepare for your job search by writing a CV that corresponds with your career plan. We'll look at how to build your presence on social networks and hunt for your future job both off and online!

Learn how to better know yourself, set goals, manage your time and function both independently and interdependently to develop your autonomy. Apply this key skill in all of your professional activities!

Learn about the nature of estimation and its potential pitfalls. Learn how to estimate user stories and create user story maps. You will learn about concepts like planning poker, team estimation workshops, and velocity.

A lot of our communication happens in writing, especially in the professional world. Regardless of your career field, if you want to master professional writing, you'll find this course of value!

An Android app is designed to communicate. Learn how to use an API to optimally download data and how to display various data in a list format.

As the Ruby on Rails apps on which you work get more complex, you'll need to be sure you can handle configuration and deployment like a pro.

Take advantage of list layouts, build custom reusable components, comprehend Core Data, and engage users with local notifications.

Ready to start? In this introductory course, you will discover the essentials of iOS development: dive into Apple's mobile ecosystem, familiarize yourself with the development environment, and build your first app in just a few hours - no kidding!

In this course, we'll learn how to use the popular Ruby on Rails framework to build database-backed websites. We'll be creating a demo app that features a blog!

No turning back now! You are swiftly getting to the core of iOS development: learning Apple's new programming language for creating apps. Advance your apps with just a few lines of Swift code!

This course dives deep into object-oriented programming in Ruby. It teaches many of the more difficult concepts in Ruby by focusing on the relationship between classes and objects. You'll emerge from this course with a much more solid foundation in the Ruby language.

Ruby is a readable and easy-to-learn programming language that is the foundation of the powerful Ruby on Rails framework, helping you make full websites easily. Take your first steps with Ruby in this course!

jQuery is the most commonly used JavaScript library. You can use jQuery to accomplish cool stuff in your web projects such as animations, event-based actions, and more, all while enjoying cross-browser compatibility.

Learn how to enrich your web projects with REST and RESTful APIs! You'll be able to access other services' data that can then be integrated into your own applications. APIs will bring a whole new dimension to your software!

Creating tests and applying a test-driven approach are essential for writing reliable code. As a front-end developer, you need to confirm that your application is always usable and does what you want it to do!

Mentorship is a key part of learning on OpenClassrooms! Take this course to see how it works and to eventually become a mentor yourself.

Are you planning to join the OpenClassrooms team? That's great! Learn what you need to know before joining us in our mission to make education accessible.

JavaScript is one of the most commonly-used languages in web development. With it, you can make your websites lively and interactive. This course will teach you to use JavaScript to enhance your web pages and projects.

Expand your knowledge of the Ruby programming language to allow you to create web sites that display dynamic content and take user input via web forms.

Use Bootstrap, a famous CSS framework created by Twitter developers, to save yourself design time and allow you to build attractive, responsive websites quickly!

Discover different ways of saving data on Android. Save data in an Android phone's memory by using a performant relational database.

Save your application data and place structured data in a database.

To guarantee the best possible user experience via tablette or smartphone, learn how to use the different navigation and display mechanisms proposed by Android.

There are many RubyGems that will simplify your lives as Ruby developers. Learn about them here!

Web developers should be able to break down the mockups they receive from designers. How can they integrate these designs in HTML and CSS?

Mentorship is a key part of learning with OpenClassrooms! Take this course to discover what a mentor does and to eventually become one yourself.

Your work isn't finished once you complete a project. You'll need to stay up to date on the technology landscape so you don't miss important updates or exciting new tools!

You've just joined OpenClassrooms as a student with your new Premium Plus account. What happens now? Let's go!

Discover the Salesforce platform and get started with Salesforce CRM. Learn to navigate use case, build custom functionality, and more!

Hit the ground running with a solid understanding of how you'll become a Salesforce developer by following this path.

Expand your Apex skills with business logic and data manipulation. Use Visual Studio Code to discover the root cause of code errors. Improve API consumption efficiency with the service layer.

Integrate data with Salesforce Lightning Platform APIs. Choose the application lifecycle management model best adapted to managing change in your org. Deploy Heroku apps compatible with Salesforce.

Master the search feature and write Apex triggers to perform custom database actions. Then discover Salesforce's Apex Developer Guide.

Use Data Loader and the Data Import Wizard to manage data in Salesforce. Control access to data in Salesforce using point-and-click security tools.

Discover the Apex programming language, build the skills required to migrate a project to Lightning, and learn to communicate your work through documentation and prototyping.

Apply your software testing skills to the Lightning Platform and the Apex programming language. Discover the Scrum and Kanban workflows for agile development with Salesforce.

Discover the tools and technologies that power development on the Salesforce platform.

Learn the Salesforce technology model and analyze client systems. Then build and tailor your first app. No coding required!

Customize Salesforce, use Lightning Flow and Process Builder to automate business processes, and manage CRM features.

Are you ready for a career change? And you're interested in the web? Follow this course to see which digital job is made for you!

The best designers are curious. Check out these tips and tricks for making the most the lessons that lie ahead!

The Internet is part of our daily lives... But how is it impacting careers? What are the digital jobs?

To guarantee the best possible user experience via tablette or smartphone, learn how to use the different navigation and display mechanisms proposed by Android.

Node.js is a recent technology that has become a popular reference for fast and powerful server-side programming. But how does it work in practice? Join this course to find out!