To make things clear it is here to make sure that screen readers will pass over the image that has no purpose. For today it was all the information about alternative text. To sum everything up, below you can see the list of the main functions of alt text. Thus, giving your images an alt text is an easy but important thing. In addition, remember that this text may be provided in the alt attribute or in the surrounding context of your image.
I hope you will remind all the given points because they are the main rules of a successful alt text creation. Also, you may watch this video from Matt Cutts that was made in order to help you with a nice alternative text creation. Still want to know more about alt? In this case, I have a lot of useful articles to share with you!
Furthermore, I would like you to tell me your own definition of alt! Maybe you have something to add? For this simple reasons, just leave your comment below! To begin with, CMYK cyan, magenta, yellow, key is the abbreviation for the name of the scheme, which combines the primary pigments.
Thus, C means cyan aqua , M means magenta pink , Y is for yellow and K stands for the key. As you may know, these days K color means black in the modern printing world.
Still, things have not always gone this way. Historically, there were other colors used for Key: brown and even blue. Honestly speaking, people used the color that was the cheapest ink to get for their needs. That is why today there are a lot of various draw and paint programs that are able to make use of both mentioned color models.
Still, keep in mind that the CMYK model is usually used for the creation of the printed color illustration. On the other hand, the RGB color scheme is mostly used for the computer displays. Without a doubt, there is a difference between color and pigment. What is more, it is a fundamental one! To make things clear, a color depicts the energy that is radiated by a luminous object.
Consequently, a red area that you may see on a cathode ray tube will look red, as it radiates a big amount of light in the red portion of the electromagnetic radiation spectrum that, by the way, means nearly nanometers , and there is much less light radiated at another wavelength. Talking about the pigments, they are opposed to the colors and represent the energy that is not absorbed by a substance such as paint and ink.
As it has already been said, the primary pigments are cyan, magenta and yellow. In addition, from time to time black Key color is also may be a primary pigment.
All in all, black can be easily made if one combines the mentioned below colors in the large and equal amounts. So, keep in mind that if you see magenta pink ink on some pages, it looks so because it literally absorbs a big amount of energy at all the visible wavelengths except in the pink part of the spectrum, where is reflected the biggest part of the energy.
By the way, did you know that the primary colors and the primary pigments are mathematically related to each other? As a result, if one combines any 2 pure radiant primary colors that still are red, green and blue , the will produce radiation, which will have the appearance of 1 of these pure non-black primary colors that are cyan, magenta and yellow. On the other hand, if you combine any 2 non-black primary pigments, this action will give you a substance that will have the appearance of one of the pure primary colors written above.
For these simple reasons, just leave your comment below! When it comes to a digital image resolution or its size, we pay attention to the number of pixels along the height and length of the digital image.
In addition, the more pixels the image contains - the larger it can be printed or displayed on the monitor saving a perfect quality. If you want to print an image of a certain size, you definitely need to pay attention to a DPI.
Speaking of the size of an image in pixels, you will get a photo with x megapixels. To save you from messing up, we will explain to you another side of this abbreviation. Another meaning of DPI comes as a methodology of statistics data accumulation, approvement, and network packets filtering due to their content.
This deep packet inspection can analyze not only various packet headers but also the full amount of content that reaches second and higher OSI models levels. DPI can easily detect and block viruses, moreover, it filters the info that does not meet any specific criteria. Deep Packet Inspection is often used by providers to take control over traffic, to block some protocols, etc.
Using DPI, you can also tailor connection statistics for any user. It is the fifth version of the most popular and most used mark-up coding language. The basics of all internet websites are built on HTML. It is a book that is shared in digital format. Some of them can have paper copies and be sold in such a way, but an eBook is just the electronic version. When we talk about coding language — yes, it is.
Of course, you will also need lots of practice but learning theory from books is the simplest and fastest way to get along with HTML5.
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Types of links in html: Absolute hyperlink : it is also called an external hyperlink. The absolute hyperlink uses a complete URL, i. When we want to link our page to any other website on the web, we need to provide the full website address of the webpage. Why is this happening? Code below:. So essentially what is happening is that when you link to a file URL, the browser opens that URL and if it has accessibility to display the content, it almost always will.
Some most common examples of this are image files. However, if the browser can't read the file type. PDFs are readable and accessible by most modern browsers so by default, the browser is set to open the file instead of download it. Because of this accessibility, most modern browsers have introduced settings that allow users to decide on a machine by machine basis whether or not a PDF or any other readable file should open in another window or download by default.
In many cases, even with the download attribute, the browser can still decide for itself how to handle the file. Note that "href" has a value without the. Remember you also have to remove the. As it seems the browser treats the downloaded file as a non pdf file and therefore is not opening it by default.
How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 3 years, 3 months ago.
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