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Set the sameSite property on the cookie data passed to Puppeteer’s BrowserContext.setCookie(). Use 'Lax' for cookies that should accompany eligible top-level cross-site navigations, or 'None' with secure: true when the cookie must be available in cross-site contexts. The right value depends on the request that needs the cookie, not just on how you create it.

Set SameSite on a Puppeteer cookie

Puppeteer accepts 'Strict', 'Lax', 'None', and 'Default' for the optional sameSite cookie property. Supply the value together with the cookie’s name, value, and URL or domain/path scope when calling BrowserContext.setCookie(). See the Puppeteer CookieSameSite type and BrowserContext.setCookie() reference.

await page.browserContext().setCookie({
  name: 'session',
  value: 'example',
  url: 'https://example.test',
  sameSite: 'Lax',
});

The example sets a Lax cookie for the supplied URL scope. Adapt the URL and cookie scope to the application. Browser.setCookie() is also available as a shortcut for setting cookies in the browser’s default context; use the context-level method when the cookie belongs to a particular browser context (Puppeteer context setter; browser setter).

Choose Strict, Lax, None, or Default

Value Cross-site behavior When it fits
Strict Sent only with same-site requests. Use when the cookie should not accompany cross-site requests.
Lax Sent with same-site requests and eligible cross-site top-level navigations using safe methods. It is not sent on typical cross-site fetches, embedded resources, or unsafe-method requests. Use when link-style navigation should work, but cross-site subrequests should not receive the cookie.
None Allows same-site and cross-site requests, subject to Secure and browser cookie policies. Use only when the cookie genuinely needs cross-site availability.
Default Leaves behavior to the browser’s default handling. Use only if relying on browser defaults is intentional; specify a value for more predictable behavior.

These request rules and the Secure requirement for SameSite=None are described in MDN’s Set-Cookie SameSite guidance. A cross-site cookie should be set like this:

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#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
  • Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
  • Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
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await page.browserContext().setCookie({
  name: 'session',
  value: 'example',
  url: 'https://example.test',
  sameSite: 'None',
  secure: true,
});

Use HTTPS in ordinary deployment contexts. SameSite does not replace the cookie’s URL or domain/path scope, expiry, or other attributes.

Why a cookie is missing on a cross-site request

Start by identifying what the browser is doing when the cookie is expected. A top-level navigation to another site is not equivalent to a cross-site fetch, iframe, image, or other embedded resource. Lax permits eligible top-level navigations with safe methods; it does not generally permit those typical subrequests or unsafe methods. Strict is narrower still. None allows cross-site inclusion only when the cookie also meets the Secure requirement and the browser’s other cookie policies allow it.

Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
  • 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
  • 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
  • Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
  • 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
  • What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
  1. Check the actual request. Determine whether it is same-site or cross-site and whether it is a top-level safe navigation, fetch, embedded-resource request, iframe, or unsafe-method request.
  2. Check how Puppeteer set it. Confirm the intended browser context received the cookie and that the object includes the expected sameSite value. A cookie set in one context will not configure another context.
  3. Check the other cookie attributes. Verify URL or domain/path scope, expiry, and any other relevant attributes independently. SameSite governs cross-site sending; it does not override those conditions.
  4. For required cross-site use, set None and Secure. Confirm the deployment uses HTTPS and that the browser permits the cookie in that context.
  5. Make defaults explicit when consistency matters. If sameSite is omitted or set to 'Default', behavior can vary by browser. MDN documents Chromium’s Lax default and notes that defaults and third-party-cookie controls can differ (MDN third-party cookies).

Security implications

SameSite can reduce some cross-site request forgery (CSRF) exposure, but it is not a complete CSRF defense. For session cookies, HttpOnly and Secure are separate attributes with distinct purposes: SameSite controls cross-site sending, while those attributes address other aspects of cookie access and transport. Choose each deliberately rather than treating one as a substitute for the others. See MDN’s SameSite documentation.

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Or skip the browser setup

If your task is to capture a page rather than configure Puppeteer’s cookie handling, ScreenshotNeo is a website screenshot API and MCP server. One GET request returns an image or PDF; its cookie/consent handling accepts banners like a visitor and removes known consent platforms, newsletter popups, and chat widgets before capture. Bot checks, blank pages, failed loads, timeouts, and cache hits are not billed. AI agents can use its MCP tools to take screenshots, get page information, or capture PDFs.

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For example, this cURL request saves a WebP screenshot. Create an API key and see the ScreenshotNeo API documentation for options:

Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
  • Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
  • Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
  • Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
  • Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
  • What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://example.test -o shot.webp

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Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
  • 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
  • Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
  • Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
  • HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
  • What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
  • Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
  • Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
  • Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
  • Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
  • Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft

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