Puppeteer

joker.js

const puppeteer = require('puppeteer');

class Jokes {

    static async getBestData() {
        const browser = await this.getBrowser();

        const page = (await browser.pages())[0];
        await this._definePageConfig(page);

        console.info('Accessing www.piadas.com.br.');
        await page.goto('https://www.piadas.com.br', {waitUntil: 'networkidle2'});
        await page.waitForSelector('#menu-4009-1');
        await page.click('#menu-4009-1 > a');

        console.info('Accessing best jokes.');

        await page.waitForSelector('.botao_branco > a')
        const urls = await page.$$eval('.botao_branco > a', element => element.filter(link => link.href).map(link => link.href))

        console.info('Getting best five authors by single joke url.');

        let jokesData = [];

        for (const url of urls.splice(0, 4)) {
            let jokeData = await this.getData(url);

            jokesData.push({
                author: jokeData.author,
                date: jokeData.date,
            });
        }

        console.info('Finished: ');

        await browser.close();
        
        return jokesData;
    }

    static async getData(url) {
        const browser = await this.getBrowser();

        const page = (await browser.pages())[0];
        await this._definePageConfig(page);
        await page.goto(url);

        const authorElement = await page.$('a[title="Ver perfil do usuário."]');
        const author = await page.evaluate(element => element.textContent, authorElement);

        const dateElement = await page.$('.field-name-post-date');
        const date = await page.evaluate(element => element.textContent, dateElement);

        await browser.close();

        return {author, date};
    }

    static async getBrowser() {
        return await puppeteer.launch({headless: true});
    }

    static async _definePageConfig(page) {
        page.setViewport({width: 1280, height: 720});
        await page.setRequestInterception(true);
        page.on('request', (request) => {
            if (['image', 'stylesheet', 'font', 'script'].indexOf(request.resourceType()) !== -1) {
                request.abort();
            } else {
                request.continue();
            }
        });
    }

}

const jokes = Jokes;

(async () => {

    try {
        let bestJokers = await jokes.getBestData();
        
        bestJokers.forEach((bestJoker) => {
            console.log(`- Author: ${bestJoker.author} published on ${bestJoker.date}`)
        });
    } catch (e) {
        console.error(`Error to parse best jokers on www.piadas.com.br: ${e.message}`)
    }

})();

Result (on now):

Accessing www.piadas.com.br.
Accessing best jokes.
Getting best five authors by single joke url.
Finished.
- Author: anonimo published on 06/04/1999 - 08:30
- Author: anonimo published on 10/05/2007 - 12:31
- Author: residentjill published on 03/28/2010 - 22:22
- Author: anonimo published on 12/26/1999 - 00:00