Shows name, country of origin and ratings for third party sellers on Amazon (and highlights Chinese sellers)
As of
// ==UserScript==
// @name Amazon - Show Seller Info
// @name:de Amazon - Verkäuferinformationen anzeigen
// @name:fr Amazon - Afficher les informations sur le vendeur
// @name:es Amazon - Mostrar información del vendedor
// @name:it Amazon - Mostra info venditore
// @description Shows name, country of origin and ratings for third party sellers on Amazon (and highlights Chinese sellers)
// @description:de Zeigt Name, Herkunftsland und Bewertungen von Drittanbietern auf Amazon (und hebt chinesische Anbieter hervor)
// @description:fr Montre le nom, le pays d'origine et les évaluations des vendeurs tiers sur Amazon (et met en évidence les vendeurs chinois)
// @description:es Muestra el nombre, el país de origen y las valoraciones de los vendedores de terceros en el Amazon (y destaca los vendedores chinos)
// @description:it Mostra il nome, il paese di origine e le valutazioni per i venditori di terze parti su Amazon (e mette in evidenza i venditori cinesi)
// @namespace https://github.com/tadwohlrapp
// @author Tad Wohlrapp
// @version 1.1.3
// @license MIT
// @homepageURL https://github.com/tadwohlrapp/amazon-show-seller-info-userscript
// @supportURL https://github.com/tadwohlrapp/amazon-show-seller-info-userscript/issues
// @icon https://github.com/tadwohlrapp/amazon-show-seller-info-userscript/raw/main/icon.png
// @icon64 https://github.com/tadwohlrapp/amazon-show-seller-info-userscript/raw/main/icon64.png
// @match https://smile.amazon.co.uk/*
// @match https://www.amazon.co.uk/*
// @match https://smile.amazon.de/*
// @match https://www.amazon.de/*
// @match https://www.amazon.es/*
// @match https://www.amazon.fr/*
// @match https://www.amazon.it/*
// @compatible firefox Tested on Firefox v90 with Violentmonkey v2.13.0, Tampermonkey v4.13 and Greasemonkey v4.11
// @compatible chrome Tested on Chrome v94 with Violentmonkey v2.13.0 and Tampermonkey v4.13
// ==/UserScript==
(function () {
'use strict';
const highlightedCountries = ['CN', 'HK'];
// Country codes as per ISO 3166-1 alpha-2
// Set to [] to highlight no sellers at all
// Set to ['FR'] to highlight sellers from France
// Default: ['CN', 'HK']
// Check URLs for page type (search result page and best sellers page)
const isSearchResultPage = window.location.href.match(/.*\.amazon\..*\/s\?.*/);
const isBestsellersPage = window.location.href.match(/.*\.amazon\..*\/gp\/bestsellers\/.*/) || window.location.href.match(/.*\.amazon\..*\/Best\-Sellers\-.*/);
if (isSearchResultPage || isBestsellersPage) {
function showSellerCountry() {
const products = isSearchResultPage ?
document.querySelectorAll('h2.a-size-mini.a-spacing-none.a-color-base a.a-link-normal.a-text-normal:not([data-seller])') :
document.querySelectorAll('span.aok-inline-block.zg-item>a.a-link-normal:not([data-seller])');
for (let i = 0; i < products.length; i++) {
const product = products[i];
product.setAttribute('data-seller', 'set');
if (product.href && product.href.match(/.*\.amazon\..*\/(.*\/dp|gp\/slredirect)\/.*/)) {
fetch(product.href).then(function (response) {
if (response.ok) {
return response.text();
}
}).then(function (html) {
const productPage = parse(html);
const thirdPartySeller = productPage.querySelector('#desktop_qualifiedBuyBox #merchant-info a:first-of-type, #newAccordionRow #merchant-info a:first-of-type');
const isThirdPartySeller = thirdPartySeller !== null;
if (isThirdPartySeller) {
thirdPartySeller.textContent = thirdPartySeller.textContent.trim();
thirdPartySeller.href = thirdPartySeller.href.replace(/sp\?.*/g, 'sp?' + thirdPartySeller.href.match(/(seller=[^&]*)/)[1]);
const sellerInfoLink = document.createElement('a');
sellerInfoLink.href = thirdPartySeller.href;
const sellerInfoContent = document.createTextNode(thirdPartySeller.textContent);
sellerInfoLink.appendChild(sellerInfoContent);
sellerInfoLink.classList.add('seller-info');
isSearchResultPage ?
product.parentNode.parentNode.appendChild(sellerInfoLink) :
product.parentNode.insertBefore(sellerInfoLink, product.parentNode.querySelector('.a-icon-row.a-spacing-none'));
fetch(thirdPartySeller.href).then(function (response) {
if (response.ok) {
return response.text();
} else if (response.status === 503) {
throw new Error('Too many requests 🙄 Amazon blocked seller page');
} else {
throw new Error(response.status);
}
}).then(function (html) {
const sellerPage = parse(html);
// Get seller rating
let rating = sellerPage.getElementById('seller-feedback-summary');
let ratingPercentage = '';
let ratingCount = '';
if (sellerPage.getElementById('feedback-no-rating')) {
ratingPercentage = sellerPage.getElementById('feedback-no-rating').textContent;
} else {
ratingPercentage = sellerPage.getElementsByClassName('feedback-detail-description')[0].textContent.match(/\d+%/);
}
if (rating.contains(sellerPage.getElementById('feedback-no-review'))) {
ratingCount = sellerPage.getElementById('feedback-no-review').textContent;
} else {
ratingCount = sellerPage.getElementsByClassName('feedback-detail-description')[0].textContent.match(/\(([^)]+)\)/)[1];
}
const sellerInfoRatingText = ' (' + ratingPercentage + ' | ' + ratingCount + ')';
const sellerInfoRating = document.createTextNode(sellerInfoRatingText);
sellerInfoLink.appendChild(sellerInfoRating);
// Get seller country & flag
const sellerUl = sellerPage.querySelectorAll('ul.a-unordered-list.a-nostyle.a-vertical'); //get all ul
const sellerUlLast = sellerUl[sellerUl.length - 1]; //get last list
const sellerLi = sellerUlLast.querySelectorAll('li'); //get all li
const sellerLiLast = sellerLi[sellerLi.length - 1]; //get last li
const sellerCountry = sellerLiLast.textContent.toUpperCase();
if (sellerCountry.length == 2) {
const flag = document.createElement('span');
flag.textContent = getFlagEmoji(sellerCountry);
flag.title = sellerCountry;
flag.classList.add('seller-flag');
sellerInfoLink.prepend(flag);
// Highlight sellers from countries defined in 'highlightedCountries'
if (highlightedCountries.includes(sellerCountry)) {
const outercontainer = isSearchResultPage ?
product.closest('.a-carousel-card, .s-result-item') :
product.closest('.zg-item-immersion');
const productImage = isSearchResultPage ?
outercontainer.querySelector('.s-image') :
outercontainer.querySelector('.zg-text-center-align img');
outercontainer.style.background = 'linear-gradient(180deg, rgba(222,41,14,0.33) 0%, rgba(222,41,14,0) 100%)';
productImage.style.opacity = '0.66';
}
} else {
console.info('Wait, that\'s illegal! 🚨 Seller "' + thirdPartySeller.textContent + '" (' + thirdPartySeller.href + ') has no valid imprint!');
}
}).catch(function (err) {
console.warn('Could not fetch seller data for "' + thirdPartySeller.textContent + '" (' + thirdPartySeller.href + '): ', err);
});
} else {
const sellerInfoDiv = document.createElement('div');
let soldbyAmazon = productPage.querySelector('#merchant-info').textContent.trim();
if (!soldbyAmazon.replace(/\s/g, '').length) {
soldbyAmazon = '? ? ?';
} else {
const svg = document.createElement('span');
svg.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128" width="12" height="12" style="vertical-align: bottom;margin-right: 4px;"><path fill="#f90" d="M110.2 103.3c-51.8 24.7-84 4-104.6-8.5-1.2-.8-3.4.2-1.5 2.4 6.8 8.3 29.3 28.3 58.6 28.3 29.4 0 46.9-16 49-18.8 2.2-2.7.7-4.3-1.5-3.4zm14.5-8c-1.3-1.8-8.4-2.1-12.9-1.6-4.4.5-11.1 3.3-10.5 4.9.3.6.9.3 4 0 3-.3 11.6-1.3 13.4 1 1.8 2.4-2.7 13.6-3.6 15.4-.8 1.8.3 2.3 1.8 1 1.5-1.1 4.2-4.3 6-8.7 1.8-4.4 2.9-10.6 1.8-12zm0 0"></path><path fill-rule="evenodd" d="M75.4 53c0 6.5.1 11.9-3.2 17.6-2.6 4.7-6.8 7.6-11.4 7.6-6.4 0-10.1-4.9-10.1-12 0-14.2 12.6-16.8 24.7-16.8zM92 93.5c-1.1 1-2.7 1-4 .4-5.4-4.6-6.4-6.7-9.5-11-9 9.2-15.5 12-27.3 12-14 0-24.9-8.6-24.9-25.9 0-13.5 7.3-22.6 17.7-27.1 9-4 21.6-4.7 31.3-5.8V34c0-4 .3-8.7-2-12-2-3.1-6-4.4-9.4-4.4-6.3 0-12 3.3-13.3 10-.3 1.5-1.4 3-3 3l-16-1.7c-1.4-.3-2.9-1.4-2.5-3.5C32.9 6 50.5 0 66.3 0c8.1 0 18.7 2.1 25 8.3 8.1 7.5 7.4 17.6 7.4 28.5v26c0 7.7 3.2 11.1 6.2 15.3 1.1 1.5 1.3 3.3 0 4.4L92 93.5"></path></svg>';
sellerInfoDiv.appendChild(svg);
}
const sellerInfoContent = document.createTextNode(soldbyAmazon);
sellerInfoDiv.appendChild(sellerInfoContent);
sellerInfoDiv.classList.add('seller-info');
isSearchResultPage ?
product.parentNode.parentNode.appendChild(sellerInfoDiv) :
product.parentNode.insertBefore(sellerInfoDiv, product.parentNode.querySelector('.a-icon-row.a-spacing-none'));
}
}).catch(function (err) {
// There was an error
console.warn('Something went wrong fetching ' + product.href, err);
});
}
}
}
// Run script once on document ready
showSellerCountry();
// Initialize new MutationObserver
const mutationObserver = new MutationObserver(showSellerCountry);
// Let MutationObserver target the grid containing all thumbnails
const targetNode = document.body;
const mutationObserverOptions = {
childList: true,
subtree: true
}
// Run MutationObserver
mutationObserver.observe(targetNode, mutationObserverOptions);
function parse(html) {
const parser = new DOMParser();
return parser.parseFromString(html, 'text/html');
}
// Country Code to Flag Emoji (Source: https://dev.to/jorik/country-code-to-flag-emoji-a21)
function getFlagEmoji(countryCode) {
const codePoints = countryCode
.split('')
.map(char => 127397 + char.charCodeAt());
return String.fromCodePoint(...codePoints);
}
function addGlobalStyle(css) {
const head = document.getElementsByTagName('head')[0];
if (!head) { return; }
const style = document.createElement('style');
style.innerHTML = css;
head.appendChild(style);
}
// Add Google's own CSS used for image dimensions
addGlobalStyle(`
.seller-info {
display: inline-block;
background: #fff;
color: #1d1d1d !important;
font-size: 11px;
line-height: 15px;
padding: 2px 5px;
font-weight: 400;
border: 1px solid #E0E0E0;
margin-top: 4px;
height: 22px;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
max-width: 100%;
}
a.seller-info:hover {
border-color: #D0D0D0;
text-decoration: none;
background-color: #F3F3F3;
}
span.seller-flag {
font-size: 23px;
line-height: 15px;
vertical-align: text-top;
margin-right: 5px;
}
#zg-center-div .zg-item-immersion {
height: 390px;
}
`);
}
})();