```python
from playwright.async_api import async_playwright as aP
from db import DB
import xvfbwrapper, io, PIL.Image, os

async def Page(browser='chromium', headless=True):
    if headless: xvfbwrapper.Xvfb().start()
    else: os.environ['DISPLAY'] = ':0'
    db = DB()

    playwright = await aP().start()
    browser = await getattr(playwright, browser).launch(headless=False)
    context = await browser.new_context(accept_downloads=True)
    context.set_default_timeout(0)

    async def handle_request(route):
        url = route.request.url
        if body := db[url]: return await route.fulfill(body=body)
        if response := await route.continue_():
            if response.ok and not db.exists(url):
                db[url] = await response.body()
            await route.fulfill(response=response)

    await context.route('**/*', handle_request)
    for block in ['**/*.gif', '**/css*.js']:
        await context.route(block, lambda route: route.abort())
        
    return await context.new_page()
```