When choosing a web development company, it is very important not only to look at the price, but also at the quality of the work you expect to get. A good quality Web site, created by good engineers who have been working in the sector for years, can make you recover your investment in a […]
Desktop sharing, multi-conferencing, secure and instant file sending to friends, Webinar applications, sharing videos or audio recordings captured directly from your phone, eye tracking to perform a test of usabilityThe new system allows you to play online multiplayer video games in real time and even controlled with hand movements, log in through face recognition, capture […]
We are used to thinking of websites as an online medium, for which it is necessary to be connected to the Internet if we want to use it. However, since the Web started to become more mobile, there has also been a need for Web applications that can be used offline. In a mobile device […]
After more than 15 years without a new version of the HTTP protocol, the director of the IETF, Mark Nottinghan, tells us in his blog that today the new version of the HTTP/2 protocol has been approved, whose RFC is pending publication. The HTTP protocol is the application layer header that is sent in all […]
Analysis of trends in the use of Web technologies for the coming year and review of the previous year’s predictions.
The gzip compression should be a basic requirement for any hosting who wants to offer a good service. However, there are many who do not activate or configure their servers correctly to offer the best performance. It is quite common to find ourselves in the situation that we have to configure it, at domain level, […]
JavaScript is, by necessity, one of the most widely used Web programming languages. In contrast, its foundations and most fundamental principles are not understood by most developers who think they know the language moderately well. To know how this situation has come about, we need to know how it has evolved over the short history […]
I already mentioned in another post about images and WPO that the factors that most often affect the overall load time are the images in the front-end and the database access in the back-end. Today we are going to talk about database optimization. Optimizing data access is vital to page load time, as it is […]
Today I am going to talk to you about very interesting Web analytics tools to obtain information that will allow us to optimize the usability and conversion rate of our Web site. I am referring to tools that use mouse tracking to generate heat maps. When our eyes fixate on something, within a few milliseconds […]
Web development with HTML5 is on its way to replacing mobile application development with native code. There is still a long way to go before this happens, but at the rate progress is being made, it may only be a matter of waiting a year or two. For some time now, users have been abandoning […]
As promised, here is the second part of how a search engine or Information Retrieval System (IRS) works. In the first part we learned how to build the inverse index, which tells us which documents have each word associated with them and what importance or relevance the words have in each of them. In this […]
Search engines or, as they are technically called, Information Retrieval Systems, are one of the great achievements of computer science and, more specifically, of the field of Artificial Intelligence. Today, no one can doubt its importance as an engine of the world economy. For many, its inner workings are an almost magical mystery. In this […]
If we want a profitable Web, it is essential to have a good performance. To give you an idea, when Amazon reduces the loading time by 100 milliseconds, their revenue increases by 1%, which means significant sums of money for them. There are many factors that can be optimized to achieve shorter load times, but […]
May you live in interesting times! This Chinese curse appears frequently in books and articles in different areas of IT, referring to how fast the industry changes, forcing programmers to constantly acquire new knowledge and update applications. Websites, of course, are no exception; on the contrary, it is one of the fastest evolving areas of […]
3D graphics, when used well, can be a good marketing tool, as they can enhance design, showcase products for sale or create surprising effects that guide users towards conversion goals. Throughout the history of the Web, several proprietary and open technologies have emerged that could display 3D graphics (3DXML, VRML, X3D, Flash, Silverlight, Java, etc.), […]
What are cookies and how do they work? A cookie or computer cookie is a small file with information that is stored in the user’s browser when visiting a website and in which the user’s settings and preferences or the status of the browsing session, such as whether or not the user is logged in, […]
