How often should I update the XML feed?

Google Merchant Center can crawl your feed every 24h. For prices and stock, real-time updates via Content API are preferable. Lengow and aggregators generally accept 4h to 24h refresh frequencies. Seegea pushes changes immediately to Shopify or PrestaShop, which then feeds the downstream XML.

How do I handle variants in a Google Shopping XML feed?

Each variant needs its own item in the feed with a unique id (e.g. SKU-RED-M), but the same item_group_id to link them. For apparel, color, size and gender are mandatory attributes.

Lengow vs Channable vs native feed: which to choose?

For 1-2 marketplaces and under 5,000 products, a native XML feed (generated by Shopify or PrestaShop) is enough. Beyond that, Lengow or Channable centralize multi-feed management with transformation rules. Seegea enriches product data upstream, improving quality across all your feeds.

Does Seegea generate XML feeds directly?

Seegea is a catalog enrichment layer, not a feed manager. It improves your data quality (descriptions, images, prices) before they flow to Shopify or PrestaShop, which then generate native XML feeds or populate Lengow/Channable.

XML product export: Lengow, Google Merchant & marketplace feeds

A poorly structured XML product feed is expensive: products rejected on Google Shopping, invalid listings on Amazon or eBay, stock desync across marketplaces. Feed quality depends directly on data quality upstream — and that's exactly where Seegea intervenes.

Compatible distribution channels

Essential XML fields for Google Merchant Center

Mandatory fields

id, title, description, link, image_link, availability, price, condition. Without any of these 8 fields, the product is rejected before the Shopping algorithm even evaluates it.

Strongly recommended fields

gtin (EAN/UPC), brand, mpn, product_type, google_product_category, additional_image_link, sale_price. These fields improve relevance and eligibility for free listings.

Variant fields

item_group_id, color, size, gender, age_group, material, pattern. Mandatory for apparel and recommended for all categories with variants.

Error	Impact	Fix
Price mismatch between feed and product page	Immediate rejection	Sync prices in real time via API
Image under 100×100 or promotional text overlay	Image rejection	WebP 1000×1000 neutral background via Seegea
Missing GTIN for branded product	Excluded from free listings	Add EAN in Seegea catalog

To be eligible for free Shopping listings, feed quality must be impeccable. An average feed is sufficient for paid ads — not for free listings.

Enriching data before XML export

The quality of an XML feed depends directly on the quality of product listings in your CMS. Seegea lets you enrich your catalog massively upstream:

AI product descriptions — compliant with Merchant Center standards, no keyword stuffing
Optimized WebP images 1000×1000 — neutral background, reduced weight, Google Shopping compliant
AI-generated alt text — improves image indexing
Synchronized prices and stock — immediate push to Shopify or PrestaShop

Once your data is enriched in Seegea, your native XML feed (generated by Shopify, PrestaShop or an aggregator like Lengow) immediately reflects these improvements.

Built in France between Annecy and Chantilly, Seegea supports Shopify and PrestaShop merchants with an included kickoff Google Meet session.

Audit your XML feed on a live call

30 min · we analyze your feed and spot avoidable rejections

Audit your XML feed on a live call

Created in France (Annecy – Chantilly) · Email & Google Meet support

FAQ

Google Merchant Center accepts two formats: Google XML feed (with g:id, g:title, g:description, g:link, g:image_link, g:price, g:availability tags) and extended RSS 2.0. The Google XML format is more precise and recommended for complex catalogs with variants.

XML product export: Lengow, Google Merchant and marketplace feeds in one place

Essential XML fields for Google Merchant Center

Mandatory fields

Strongly recommended fields

Variant fields

Enriching data before XML export

FAQ

Related resources

Give your catalog the attention it deserves.