Currently, there is a lot of literature and step-by-step instructions for web application developers online and offline. But despite this, many IT professionals, both beginners and experienced ones, make mistakes that are easily detected by the environments used for work.
There are also specialized platforms that allow you to automate part of the process, for example, converters of HTML pages into applications. Methods, technologies and patterns have one common basis, and they are all subject to certain errors. Therefore, experts managed to identify a number of typical mistakes that are made in the process of developing web applications. Knowing about these errors can greatly simplify the process of work. Well, there is a need of professional web development services, then feel free to immediately contact a competent company that is ready to turn all business ideas into reality - quickly, clearly, inexpensively.
What errors should be taken into account?
Let's get straight to the point:
1. Mistake No.1: Incomplete input validation. This is important for every developer to know - serious problems can arise due to incomplete validation of user input. Most often, specialists have to deal with SQL injection as a result. There are out-of-the-box rules for carrying out the revalidation process, as well as annotations on the platforms that display data compliance with established rules. It is important to make input validation one of the most important tasks in the web development and coding process.
2. Mistake No.2: Inappropriate Authorization. The operation of the application should be completely secure so that authentication without proper authorization is not possible. Authentication allows you to make sure that the user entered the account information correctly. Authorization confirms the right that a particular user has access to this account, this is an additional check using certain actions - entering an additional code, checking fingerprints. Ignoring proper authorization is one of the common mistakes.
3. Mistake No.3: Not ready to scale. Another common mistake made by IT professionals (especially beginners) is that quite often they do not think through the possibilities and ways of scaling. Very often, programmers think that it is enough to simply separate the individual application layers on scalable servers, choose the appropriate base. But because of this, you have to rewrite large fragments later in the scaling process. It is better to initially spend a little more time resource to select a separate shared remote data storage and think about file synchronization.
4. Mistake No.4: Ignoring SEO principles. Many developers consider SEO techniques unimportant or overestimate their level of knowledge in this area. Because of this, there are significant problems in the subsequent operation of a mobile or web application and its effectiveness is reduced. It is important not to leave SEO to the last stage and involve experienced specialists, and not rely on your own strength if you do not have the relevant knowledge.
5. Mistake No.5: Ignoring unnecessary actions in request handlers. A prime example of this error is sending automatic email replies and SMTP calls in response to user requests. But in the case of scaling, there will be problems, such as SMTP connection timeout, or others, performance will degrade or the response will take longer, failures may occur. This will not happen if a third-party external processor is involved for such actions.
6. Mistake No.6: Not optimizing bandwidth. When you work in a network environment, you may not think there is a problem, for example, when downloading background images at a speed of 1 Gbps. But if users with mobile Internet at low speed perform the same actions, difficulties may arise. Competent optimization will help to increase productivity.
7. Mistake No.7: rejection of responsive design. In order for the application to work as efficiently as possible, it is important to use adaptive design, which is developed for different screen sizes. To do this, you can use various ready-made templates, but this step will significantly speed up the work of applications and eliminate problems with navigation.
8. Mistake No.8: Browser incompatibility. Problems due to cross-browser incompatibility can arise almost immediately after the application is launched. It is important not to ignore this nuance at each stage and work on different browsers so as not to waste time later on testing and troubleshooting. Also do not use specific codes.
9. Mistake No.9: Ignoring possible portability. Portability is important, you need to think about it at the development stage. It is important to take care that the application works with multiple servers in environments. You also need to think about the nuances: allow clear customization and take care of exception handling in case the server configuration is different.
10. Mistake No.10: RESTful anti-patterns. There are two common mistakes developers make with RESTful APIs - wrong HTTP verbs or wrong status codes. This causes application crashes. It is important to think through these nuances and pay attention to them at each stage of development.
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