How to Fix PhantomJS\'s Premature onLoadFinished Callback for Accurate Screenshots?

PhantomJSonLoadFinished Callback Fires Prematurely

Many websites now employ asynchronous loading techniques, causing PhantomJS to prematurely trigger its onLoadFinished callback. This can lead to incomplete screenshots lacking dynamic content like advertisements.

To address this issue, consider the following approach:

• Wait for Resources to Load: Instruct PhantomJS to pause for a specified duration after the initial page load. This allows JavaScript sufficient time to fetch and execute additional resources.

Example Code:

page.open(address, function (status) {
    if (status !== 'success') {
        console.log('Unable to load the address!');
        phantom.exit();
    } else {
        window.setTimeout(function () {
            page.render(output);
            phantom.exit();
        }, 1000); // Adjust timeout as necessary to accommodate loading time
    }
});

By incorporating this delay, PhantomJS will wait for the page to fully load before capturing the screenshot, ensuring that all dynamic content is included.

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