To round out your web-development skills, you'll improve web content by adjusting layouts, performing basic search-engine optimization (SEO), and test your website for issues. You'll also submit data to a web server for processing through a URL and a web form. Then, you'll add JavaScript to a web page, perform operations on data, program repetitive tasks, and manipulate Document Object Model (DOM) objects. After that, you'll enumerate elements and attach events through code. Lastly, you'll use third-party JavaScript libraries and frameworks to streamline your code.

Web Dev: Optimization, Server Processing, and JavaScript
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Web Dev: Optimization, Server Processing, and JavaScript
This course is part of Web Development with HTML5, CSS, and JavaScript Specialization

Instructor: Bill Rosenthal
Included with
What you'll learn
In this course, you will improve the quality of web content, submit data to a server, write JavaScript code, and use third-party libraries.
Skills you'll gain
- Web Development Tools
- Front-End Web Development
- Server Side
- Web Content
- HTML and CSS
- Web Servers
- Web Design and Development
- Browser Compatibility
- Hypertext Markup Language (HTML)
- Web Frameworks
- Web Content Accessibility Guidelines
- Web Analytics and SEO
- Web Applications
- Responsive Web Design
- Javascript
- JavaScript Frameworks
- Web Design
- Software Development
- Web Development
- Event-Driven Programming
Details to know

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January 2026
1 assignment
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There are 6 modules in this course
As your site continues to take shape, you'll want to ensure that you're following strategies that will produce good results on a wide variety of devices for users with different accessibility needs, and that users will be able to quickly find your site on web search engines.
What's included
1 reading5 plugins
Even if your job responsibility is only on the web front end (browser-side development in HTML, CSS, and JavaScript), there may be times where your web pages must interact with a web application. For example, your web pages may need to include instructions to pull dynamic (server-generated) content into the web page. Links that you create may need to include queries for special content. Furthermore, you may need to create web forms that will send data to a server for processing or collection.
What's included
4 plugins
JavaScript enables you to perform a wide variety of complex tasks directly in the web browser, which can make web pages more interactive and dynamic, and can help reduce the number of communications needed with the web server, making web applications faster and more responsive.
What's included
6 plugins
Tasks like form validation involve working with multiple elements. JavaScript provides various techniques that enable you to conveniently iterate through a set of related elements, such as all the web forms in a page, or all the controls in a form.
What's included
4 plugins
Many web developers throughout the world have gone before you. They have solved problems as they worked in HTML, CSS, and JavaScript, and developed their own tools, templates, and reusable code to make their web development projects faster, more consistent, and less problematic. Though "the struggle" to solve problems and perfect your trade leads to knowledge and expertise, there's often little point in reinventing the wheel. This lesson introduces various open source web development templates, tools, and reusable code that you should investigate.
What's included
4 plugins
You'll wrap things up and then validate what you've learned in this course by taking an assessment.
What's included
1 reading1 assignment
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To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
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