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How to Fix Images Not Loading in Browserless Screenshots

Fix missing images in Browserless screenshots by separating slow loads from lazy loading, request filters, and target-site blocks.
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If images are missing from a Browserless screenshot, first separate three causes: the capture ran before images finished loading, lazy-loaded images never entered the viewport, or the image/page request failed or was blocked. For BAP, try waitForImages: true; for below-the-fold images, scroll through the page before capturing. Then check the target page and request filters rather than relying on a longer delay alone.

Choose the fix for the kind of image that is missing

Symptom Likely cause First action
Images near the top are absent or incomplete The capture ran before image loading completed. For BAP, enable waitForImages: true, or wait for the important image/container selector.
Images below the fold are absent Viewport-triggered lazy loading was not triggered. Scroll through the document before taking a full-page capture.
Images remain broken after waiting and scrolling The request may have failed, been filtered, or returned a blocked/error page. Inspect the page and response, and check resource filters.

Browserless documents waitForImages as false by default for BAP. Waiting for navigation and waiting for images are separate settings; one does not automatically guarantee the other.

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Wait for images in the Browserless interface you use

BAP: wait for all images or one specific element

Set waitForImages: true in the BAP screenshot options when the capture should wait for page images broadly. If only one image matters, wait for that image or its container with waitForSelector() instead. A targeted selector can be more useful when unrelated images or other page activity make a broad wait unsuitable. See Browserless Screenshots and PDFs with BAP for the current interface details.

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REST screenshot API: choose a navigation condition deliberately

The REST screenshot API’s request configuration supports different navigation conditions. They answer different readiness questions:

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  • domcontentloaded means the initial HTML has been parsed; it does not wait for images.
  • load waits for dependent resources, including images.
  • networkidle0 waits for zero network connections for at least 500 ms.
  • networkidle2 allows up to two network connections for at least 500 ms.

Network-idle conditions observe overall network activity; they are not proof that a particular image rendered. Pages with continuing background requests can behave differently under these conditions. Use the REST API’s shared wait configuration according to the behavior you need, and consult Browserless Request Configuration for option names and semantics.

Trigger lazy-loaded images before a full-page capture

Many pages do not request below-the-fold images until those images approach the viewport. A full-page screenshot alone may not trigger that behavior. Scroll through the document first, then capture the full page:

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  • In BAP guidance, use scroll({ throughPage: true }) before the screenshot.
  • In the REST screenshot API, set scrollPage: true.

Scrolling and waiting solve different problems: scrolling prompts viewport-based loading, while image or selector waits give requested content time to arrive. Combine them when the page needs both, and use full-page capture when the intended output includes content beyond the initial viewport. The REST API’s screenshot options are documented at Browserless Screenshot API.

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Check that the image request and target page succeeded

Confirm the page contains the expected image

Open the target URL in a normal browser at the relevant viewport and confirm that the expected image is present. If it appears only after scrolling, treat it as a lazy-loading case. A final bitmap by itself does not establish whether Browserless failed or the target page served different content.

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Review resource rejection rules

Browserless can reject resource types or request patterns. Check rejectResourceTypes and rejectRequestPattern in your request configuration; a rule that rejects images or the image host can make them consistently absent. Configuration details are in Browserless Request Configuration.

Inspect for blocking or target-site errors

Look for CAPTCHA, access-denied/403, blank, or incomplete page content. A successful HTTP 200 does not guarantee that the target site returned the intended page; it can still contain an error. Browserless documents /unblock for bot-detection scenarios. See Browserless Unblock for its documented approach.

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Troubleshoot by symptom

What you see Likely explanation What to try
Image is present after navigation but missing in the screenshot Capture occurred before the image completed loading. For BAP, set waitForImages: true; for one key image, wait for its selector. In REST, use a suitable navigation condition such as load when dependent resources should finish.
Only images farther down the page are missing Lazy loading was not triggered. Scroll through the page using the interface’s supported option, then capture the full document.
Images are missing consistently across captures A resource type or request pattern may be rejected. Review image-related rejectResourceTypes and rejectRequestPattern rules.
Screenshot shows CAPTCHA, 403, blank content, or an error despite HTTP 200 The target site may be blocking automation or returning an error page. Inspect the page content and consider Browserless’s documented /unblock workflow for bot detection.
Capture times out The page or its resources may not have reached the expected state within the available time. Inspect page and image response state first; a longer timeout alone does not identify or fix the underlying cause.

Use the right Browserless option names

Browserless has multiple screenshot interfaces, and their settings are not interchangeable by assumption. BAP uses waitForImages and its scrolling API; the REST screenshot endpoint uses top-level settings such as scrollPage and shared waiting configuration; BrowserQL exposes a waitForImages screenshot argument. Confirm the exact interface and version in the relevant documentation before copying an example between products. See Browserless BrowserQL Screenshot.

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Or skip the browser setup

If you need a screenshot without configuring a browser workflow, ScreenshotNeo is a website screenshot API and MCP server. One GET request returns an image or PDF. This cURL example saves a WebP screenshot of Stripe; replace the URL with your target and supply your API key:

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curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webp

See the ScreenshotNeo API documentation for request options. Cookie and consent banners are accepted and removed before capture, along with 60+ known consent platforms, newsletter popups, and chat widgets; each cleanup step can be turned off. Bot checks/CAPTCHAs, blank pages, timeouts, failed loads, and cache hits are not billed, and responses identify the page verdict and billing status in headers. Its MCP server provides take_screenshot, get_page_info, and capture_pdf for AI agents and MCP clients. The Free plan includes 1,000 screenshots per month with no card; paid plans start at $5 for 3,000 screenshots.

Sign up free for 1,000 screenshots a month with no card.

Frequently Asked Questions

Does waiting for images also trigger lazy loading?

No. Waiting gives requested images time to load; below-the-fold lazy images may need scrolling to trigger their requests.

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Does an HTTP 200 response prove the screenshot contains the intended page?

No. The response can be successful while the target page itself displays a CAPTCHA, access-denied message, or other error.

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