Educational websites

9 Best Educational Websites for Computer Science Students


No matter what field of study you choose, it is always difficult to prepare at the beginning and to find clear and concise explanations of new material. The faster you find the details you need to clarify, the more effective your learning.

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 ‘read my paper‘, 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 who find themselves in this scenario.

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

If you are an aspiring computer science student preparing for prerequisites or a current student who often ends up searching for hours for the right hardware, this article can help you.

HTML Living Level

Let’s start with the basics. The homepage may look dreadful when you first open it. Yet it is essentially a Wikipedia for HTML. So be cool. If you use keyword search, you won’t need to scroll through the entire guide. Benefits of this website include:

  • free access;
  • detailed structure;
  • frequent updates;
  • ability to contribute to its development and improvement;
  • the Twitter account to follow 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 to use it. 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 stumbling through overloaded forums with unfriendly interfaces and strange information. The guide starts with a table that can tell you what type of tag you’re dealing with:

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

As one begins to try to use HTML, one may neglect to research such things. However, this is where the most problems come from. For example, one can try to adjust the parameters of an element and not understand why nothing changes. In the meantime, this guide may show you that you are dealing with an online item that simply ignores some instructions.

CSS Reference

It is a sister website of HTML Reference. Both Resources are very beneficial for beginners because the information is accessible for free.

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

CSS triggers

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

  • what exactly will be influenced if you change a particular property;
  • the steps required for a browser to download the page;
  • how 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 find it difficult to develop a website without constant problems and bugs in different browsers may need to bookmark this one. Front-end development becomes much easier when you start visiting Can I Use.

The fact is that not all browsers support all existing HTML, CSS, JS and other features. With 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 the Android version);
  • Internet Explorer;
  • Chrome (including the Android version);
  • Edge;
  • Opera (+ Mobile and Mini versions);
  • Safari (including the one for iOS);
  • Android browser;
  • QQ Browser;
  • Baidu Browser;
  • CPU for Android;
  • Samsung Internet;
  • KaiOS Browser.

Additionally, the website itself contains many useful references to other websites for those wishing to learn more.

Free interface

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.


The “demo and code” section that you can notice under the animations is one of the most valuable. Basically, it’s DevTools in its most user-friendly and practical form.

See also

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

DND Web Docs

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.

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


This company focuses on students who are engaged in the field of cybersecurity. There are several 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 background knowledge and keep up to date with news in the area.



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 is technology-oriented. Additionally, its creators believe that video-based learning slows down the process of mastering a skill. This is why their courses are text-based.

The website also offers free courses on languages ​​such as 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 for something.


It is a common belief that learning something always requires significant investment. At some point, paid courses may 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 beyond the first links in search results.

Look at the diversity of solutions. Most of them can replace your typical study material. Save them in your browser and get into the habit of using them to simplify your studies.

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