How to optimize HTML?

Open the site: HTML . Drag and drop HTML files to optimize and compress them online. Or just use a code sample in JavaScript. Install Aspose.Words for Node.js via .NET. Add a library reference (import the library) to your JavaScript project. Open the source HTML file in JavaScript. Compress HTML without losing quality. Call the Document.cleanup() method. The resulting code may vary depending on the output file format. Get the compressed result as a HTML file.

Why compress HTML files in JavaScript?

Compressing HTML allows you to improve the use of disk spaces and network traffic without sacrificing data quality.

What output file formats can I use to compress HTML files?

We support a variety of output file formats for HTML optimization, including DOCX, DOC, RTF, ODT, EPUB, JPG, PNG, XLS, XLSX, WPS and many more.

What is the maximum HTML size supported by Aspose.Words for Node.js via .NET?

There are no size limits to compress HTML files using Aspose.Words for Node.js via .NET.

Compress HTML In Javascript

The code to compress HTML in JavaScript

High-performance Node.js library to optimize the size and content of HTML files while maintaining their original quality

Develop HTML processing software in Node.js using HTML Optimization API. This powerful Node.js solution helps you optimize and reduce the size of HTML files effortlessly. Test HTML compressing capabilities online for free!

Compress HTML file in JavaScript

Make large HTML files smaller without loss of quality. Delete unnecessary and unused data. Shrink the size of a HTML file in code. The JavaScript library provides developers with an integrated API to optimize HTML content.

Reduce the size of HTML files using JavaScript

JavaScript library is a stand-alone solution and doesn't require any third party software installed.

Lossless compression and deep content optimization made easy with 'Aspose.Words for Node.js via .NET'. The following example demonstrates how to optimize the content of a HTML file in JavaScript:

Code example in JavaScript to compress HTML files

Input file

Upload a file you want to optimize/compress

Run code

Output format

Select the target format from the list

npm install @aspose/words

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const aw = require('@aspose/words');

var doc = new aw.Document("Input.html");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

doc.save("Output.html")

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.html");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

var saveOptions = new aw.Saving.PdfSaveOptions()
saveOptions.cacheBackgroundGraphics = true

doc.save("Output.html", saveOptions)

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.html");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

doc.save("Output.html")

                            const aw = require('@aspose/words');

var doc = new aw.Document("Input.html");
doc.cleanup();

var shapes = doc.getChildNodes(aw.NodeType.Shape, true)
for (var shape of shapes) {
    if (shape.hasImage()) {
        // It's up to developer to choose the library for image compression.
        const imageData = shape.getImageData().toStream();

        // ...
        // Compress image and set it back to the shape.
        shape.getImageData().setImage(compressedImageBuffer);
    }
}

var saveOptions = new aw.Saving.OoxmlSaveOptions()
saveOptions.compressionLevel = aw.Saving.CompressionLevel.Maximum

doc.save("Output.html", saveOptions)

                            const aw = require('@aspose/words');

var doc = new aw.Document()
var builder = new aw.DocumentBuilder(doc)

shape = builder.insertImage("Input.html")

var saveOptions = new aw.Saving.ImageSaveOptions(aw.SaveFormat.Html)

shape.getShapeRenderer().save("Output.html", saveOptions)

            

					Run code
				

You may freely copy this code and use it in any applicable purpose

How to compress HTML in JavaScript

Install Aspose.Words for Node.js via .NET.
Add a library reference (import the library) to your JavaScript project.
Open the source HTML file in JavaScript.
Compress HTML without losing quality.
Call the Document.cleanup() method. The resulting code may vary depending on the output file format.
Get the compressed result as a HTML file.

JavaScript library to optimize and compress HTML files

We host our Node.js via .Net packages in NPM repositories. Please follow the step-by-step instructions on how to install "Aspose.Words for Node.js via .NET" to your developer environment.