![javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow](https://i.stack.imgur.com/8KPMM.png)
javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow
![javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow](https://i.stack.imgur.com/PGwZ5.png)
javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow
![Mathias Bynens on Twitter: "If you've ever noticed surprising differences between running a test scenario manually vs. running it via automation ( Puppeteer/Selenium/…) in Headless — this is probably why! The good news Mathias Bynens on Twitter: "If you've ever noticed surprising differences between running a test scenario manually vs. running it via automation ( Puppeteer/Selenium/…) in Headless — this is probably why! The good news](https://pbs.twimg.com/media/Fpk4qFTXwAEV8Fm.jpg)
Mathias Bynens on Twitter: "If you've ever noticed surprising differences between running a test scenario manually vs. running it via automation ( Puppeteer/Selenium/…) in Headless — this is probably why! The good news
![javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow](https://i.stack.imgur.com/v18n9.png)
javascript - Puppeteer serving different pages for the same URL Headless vs Headful - Stack Overflow
![Puppeteer User Agent: User Agent string difference in Puppeteer headless and headful - DEV Community Puppeteer User Agent: User Agent string difference in Puppeteer headless and headful - DEV Community](https://res.cloudinary.com/practicaldev/image/fetch/s--r6Qj4FN4--/c_imagga_scale,f_auto,fl_progressive,h_900,q_auto,w_1600/https://thepracticaldev.s3.amazonaws.com/i/275hmk6598fk80otvqba.jpg)