9 best educational websites for computer science students



No matter which area of ​​teaching you choose, it is always difficult to prepare early and come up with clear, concise explanations of new material. The sooner you find the details that you need to clarify, the more effective your learning will be.

Today, the information you might need can be scattered across the Internet and not always appear at the top of search results. Just try Googling something like ‘reread my article‘, and you’ll see a bunch of websites that you can’t be 100% sure about. Finding reliable sources becomes one of the most important things for students in this scenario.

Educational platforms and guides on computer specificities are also very common these days, but how do you find the right one?

If you are a prospective computer science student who prepares ahead of time, or a current student who often ends up searching for the right materials for hours, this article can help.

HTML standard of living

Let’s start with the basics. The home page can look awful when you first open it. Yet, it is essentially a Wikipedia for HTML. So be cool. If you are using keyword search, you will not need to scroll through the entire guide. The advantages of this website include:

  • free access;
  • detailed structure;
  • frequent updates;
  • ability to contribute to its development and improvements;
  • the Twitter account for updates, and many more.

Section 4.3 is particularly useful for beginners. There you can check if a necessary element can be used in the context in which you want it to be used. The information is complete with hyperlinks to other sections of the website. So if you see a new term, you’re just one click away from a clear and concise explanation.

HTML reference

This website will be useful to avoid tripping over cluttered forums with unfriendly interfaces and strange information. The guide begins with a table that can tell you what type of tag you are dealing with:

  • in line;
  • to block;
  • self-closing;
  • meta.

When one begins to try to use HTML, one can neglect to look for such things. Yet this is where the most problems come from. For example, we can try to adjust the parameters of an element and not understand why nothing changes. Meanwhile, this very guide can show you that you are dealing with an item online that is simply ignoring certain instructions.

CSS Reference

This is a sister site of HTML Reference. The two Resources are very beneficial for beginners because the information is accessible free of charge.

Moreover, you can use the collections filter and learn from simple and clear examples. The website offers a wide variety for each CSS property. The interface is user-friendly, which makes it easier to understand the information.

CSS triggers

This one is not a brother, but rather a friend of the site mentioned above. It’s pretty minimalist but extremely useful. It shows the following details:

  • what exactly will be influenced if you change a particular property;
  • steps required for a browser to download the page;
  • how the different browser engines act when downloading a website;
  • what workload different browsers have to handle when a CSS property changes.

Can I use

Those who are struggling to develop a website without constant issues and bugs in different browsers may need to tag this one. Front-end development becomes much easier when you start to visit Can I Use.

The point is, not all browsers support all HTML, CSS, JS, and other features. Using this resource, you can know at a glance if you need to apply a particular feature. Sometimes it is not supported by most browsers and there are other ways to implement the change.

The website offers information in tabular form and has a pretty serious list of browsers (including their previous versions):

  • Firefox (including Android version);
  • Internet Explorer;
  • Chrome (including Android version);
  • Edge;
  • Opera (+ Mobile and Mini versions);
  • Safari (including the one for iOS);
  • Android browser;
  • QQ browser;
  • Baidu browser;
  • UC for Android;
  • Samsung Internet;
  • KaiOS browser.

In addition, the website itself has a lot of useful references to other websites for those who want to learn more.

Free front-end

If you want to discover the diversity of web development, this site will be a must in your favorites. You can check out short videos, code samples, animated examples, and more.

Source: https://unsplash.com/photos/pjAH2Ax4uWk

The ‘demo and code’ section that you can notice under the animations is one of the most valuable. Basically, it’s about DevTools in its most user-friendly and convenient format.

See also

Just make an adjustment in the demo window. You will be able to learn how each property and value can help you depending on how you apply them.

MDN Web Documents

Mozilla has prepared a detailed and very structured guide which is extremely popular among developers. The website has its own blog as well as tutorials divided into sections for different skill levels.

More importantly, at the end of some modules you can find tests that will provide you with the core GitHub files and technical requirements. You can even ask for help if you get stuck or want your mini-project rated.


This company focuses on students engaged in the field of cybersecurity. There are a number of courses for different levels. Unlike the websites listed above, this one is not free. Still, there are plenty of informative blog posts that will help you gain more basic knowledge and keep up to date with what’s happening in the area.

Source: https://unsplash.com/photos/taxUPTfDkpc


This resource may look like the modern version educative platforms that offer a free trial period and a number of special courses. Yet what sets it apart from the rest is that it’s tech-driven. In addition, its creators believe that video learning slows down the process of mastering a skill. That’s why their lessons are text-based.

The website also offers free courses in languages ​​like JavaScript, PHP, Python (including creating a chatbot using it), Ruby, and more. So you have plenty of opportunities to assess whether text-based learning is your cup of tea. before paying anything.


It is a widely held belief that learning something always requires a large investment. At some point, paid courses can become an inevitable thing. Yet this list proves that today, getting basic knowledge for free is not a problem. Sometimes you just need to look past the top links in search results.

Just look at the variety of solutions. Most of them can replace your typical study material. Save them in your browser and make a habit of using them to simplify your studies.

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