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Difference between HTML and HTM with table

We explain the difference between HTML and HTM with table. The difference between HTM and HTML is the single letter ‘L’. .htm is used as a substitute extension for .html. This is because some operating systems such as DOS and other servers do not allow four-letter extensions. Previously, operating systems weren’t that strong and didn’t have the ability to maintain a four-letter extension, so HTM was born.

HTML stands for HyperText Markup Language. It is a computer language that is used to create and design web pages. Markup tags are used here to express web pages.

HTML and HTM are nothing more than file extensions for these HTML files. They are indicated as .html or .htm as file extensions.

HTM is only used as another extension for HTML and this occurs due to certain issues.

The main one is that some operating systems prohibit the use of four letters in the extension, so HTML cannot be used here.

On the other hand, there are some servers that prohibit the use of .htm.

In today’s world, the four-letter extension is not a problem, as computers can simply contain large files and long file names.

Comparison table between HTML and HTM (in tabular form)

HTM HTML comparison parameter

Extension	The HTM file extension is .htm	The HTML file extension is .html
Letters	It has a three-letter extension.	It has a four-letter extension.
Use	HTM was used mainly in ancient times, when operating systems were not strong enough to maintain a four-letter extension.	HTML is more popular and used today as computers can comfortably store large files and long file names.
Operating systems	Old operating systems, as well as new ones, can use the .htm extension.	Newer operating systems mainly use the .html extension.
Attention	Modern systems do not focus on HTM extensions.	Modern systems focus primarily on HTML extensions.

What is HTM?

Previously, operating systems weren’t that strong and didn’t have the ability to hold a four-letter extension, so HTM was born.

This was used primarily in ancient times for operating systems such as Windows and the disk operating system (DOS). It was used mainly when there were compatibility problems with the operating system.

The old operating system used HTM as they were not capable of storing files with long names. But in today’s modern world, systems are capable and fast enough to store huge files without limitation to the length of file names and therefore HTML extensions are used.

The HTM file extension is used to let users know the type of data being requested and also to differentiate between extensions on web pages. File extensions play a key role. When we try to open a particular file on our computer but it won’t open, it suggests that the necessary program is not available on our computer.

Therefore, it can be said that files with the .htm file extension contain nothing but HTML web page files. It carries HTML markup code that is kept in plain text format. These files are used to format and display text and images in a web browser.

What is HTML?

HTML stands for Hypertext Markup Language. It allows to structure and design a web page. The web page can include different sections, titles, paragraphs and links.

We cannot say that HTML is a programming language as it is not capable of creating solid functionality.

Each HTML page comprises a set of tags that are also known as the building blocks of web pages. Develop a hierarchy that organizes content into different sections, titles, paragraphs, etc. We simply use tags to create a web page when working with HTML.

The most important tags that all HTML should have are, and.

There are numerous tags that should be used to design a web page.

For the most part, a website is made up of several different HTML pages. There can be the home pages, the About pages, the FAQ page, the contact pages and they will all have different HTML documents.

In general, HTML is a simple language that can be easily learned.

Main differences between HTML and HTM

HTML and HTM are nothing more than HTML file extensions. The main difference is that .htm is used as a substitute for .html for some operating systems that do not have four-letter extensions.
HTM was mostly used in ancient times, when operating systems weren’t strong enough to maintain a four-letter extension, while HTML is used more today as computers can comfortably store large files and long names.
The HTM file extension is .htm while the HTML file extension is .html
Modern systems no longer focus on HTM extensions and HTML extensions are used more in modern systems.
HTM has a three-letter extension, while HTML has a four-letter extension.

Final Thought

HTML files have extensions such as .html and .htm. When designing a web page, if you are using HTML, in all likelihood an .html or .htm will appear at the end of the URL.

There is not much difference between HTML and HTM. You can tell that the difference between HTML and HTM is in their spelling.

Both can be used instead of the other, but there are some operating systems or servers that do not allow the .htm extension, while there are some that do not accept the .html extension.

HTML files with an .html or .htm extension.

On many servers, it is preferred that only .html files be provided to prohibit the display of files with the .htm extension. It can also be taken as a precaution for hosted servers.

Therefore, it can be concluded that both HTML and HTM are the same and that they use the same script and display the same content. It is up to the user which extension they feel most comfortable with and which one they choose as the extension for their file name.