Are you a developer and working in IT industry then you are well aware of of the string data:text/html; charset=utf-8;base64,pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4=. But many people do not know what this string means and what its uses are. This specific article will explain you clearly about this data string and how it is used in the web development and IT industry.
What Is data:text/html; charset=utf-8;base64,pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4=
data:text/html; charset=utf-8 is a type of Data url which allows us to enter the data directly into the web page without making any External Http request to insert data. The main use of this data string is to embed data into HTMl or web applications.
Generally data:text/html; charset=utf-8;base64,pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4= is called as data URL which is also known as data URI. Here URI indicates Uniform Resource Identifier. This URL allows the small data and files directly into HTML and CSS without any external request. The general syntax of Data URL is data:[<media-type>][;base64],<data>.
Detailed Explanation
Let’s get into the details of this data URL syntax. Here
Data: indicates the prefix of Data URI.
Text/html: This indicates the content and its type. Here it is HTML.
Charset=utf-8: This part will ensure that the text is displayed in correct format
Base64: this indicates that the data in encoded in the base64 format
pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4=: This part of the string indicates the encoded data by Base64.
Reasons To Encounter This Data String
There are various reasons where we encounter the data string “data:text/html; charset=utf-8;base64,pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4=”. Below we mentioned some of the main reasons
- Browser Issues: sometime if there are any errors in browser extensions also leads to the appearance of the data string.
- Security restrictions: browser settings or content security policies may sometimes lead to data strings.
- Embedded data in web development is also a reason.
Limitations Of Data URLs
Data Urls have some limitations. Below are some of them
- Security concerns
- Caching
- URL Encoding Overhead
- Size Restrictions
What Are The Uses Of Data URLs
Below are some of the main uses of data urls in web development
- Used in the Generation of Dynamic Content.
- Reduced HTTP Requests
- Data URI Embedding
- Simplified and enhanced Resource Management
- Embedding images and other offline content in Emails
Conclusion
With this detailed guide now you had completely understand what are data URLs and what is data:text/html; charset=utf-8;base64,pgh0bww+pgjvzhk+pc9ib2r5pjwvahrtbd4=. So the data Urls are one of the powerful tools in web application development for embedding the data directly into the web page for a proper deployment and development of the page. The major advantage of the data URLs is enhancing the projects related to web development. If you encounter them unexpectedly then there is some issue in java script or some other extension conflicts. For resolving the data URLs errors you have to clear the browser cache and reinstall the browser extensions.