Чому проксі вирішують цю задачу
Marketplaces, app stores and map listings sort and filter reviews by the visitor’s country and language. A rating averaged from your own desk is the rating of whichever market your office sits in, and the difference between that and a real per-country breakdown is usually large enough to change a decision.
Проблеми без проксі
The visible sample is filtered before you see it
Most platforms show local-language reviews first and hide or paginate the rest. What you scrape from one country is not a subset of the global set, it is a different set.
The average hides the complaint
A product at four stars overall can sit at two in one country because of a delivery partner or a missing local payment method. That signal disappears in a global average and appears immediately in a per-country split.
Review pages are heavy and paginated
Reviews live behind pagination and often behind scripts. Volume grows fast, and with per-gigabyte billing the cost follows page weight rather than review count.
Як це вирішує SotaProxy
Residential addresses in 220+ countries, one pass per market, with the country stored as a field rather than a label. Sticky sessions where pagination has to hold, and datacenter addresses for the platforms that do not check address class.
Налаштування за 4 кроки
Decide which markets you report on
One pass per country. A global crawl from a single address produces a number nobody can act on, because it belongs to no market in particular.
Send the language header that matches
The country decides which reviews are shown, the language header often decides which ones come first. Mismatched pairs return a sample you cannot compare across countries.
Hold a session across pagination
Use a sticky session so page two belongs to the same sample as page one. A rotating address mid-pagination silently mixes two markets.
Block media before scaling
Review pages carry avatars and photos. With images blocked a page is a fraction of the weight, and the data is identical.
Ten markets, two hundred products
Review collection is deep rather than wide, and pagination is what drives the volume:
The country count is nearly free; the pagination depth and the media blocking are what move the invoice. Decide both before the first run rather than after the first bill.
One product, one market, one session
The pattern that keeps samples clean: sticky while paging, rotate between products.
Paging one market without mixing samples
# hold one address for the whole product, with the matching language
S="login_c_DE_s_31_ttl_50m:password@proxy.sotaproxy.com:10000"
for page in 1 2 3 4 5; do
curl -s -x $S -H "Accept-Language: de-DE" \
"https://marketplace.example/product/123/reviews?page=$page" -o de-$page.html
done
# next product, new session id, same country
curl -s -x login_c_DE_s_32_ttl_50m:password@proxy.sotaproxy.com:10000 \
-H "Accept-Language: de-DE" "https://marketplace.example/product/124/reviews" -o de-124.html- Store the country and the language as fields on every review row, not as a filename.
- Record the page number too: a truncated pass is easy to mistake for a product with fewer reviews.
- Compare counts between passes. A sudden drop usually means the platform changed pagination, not that reviews were deleted.
Three ways the sample lies
One address for every market
The crawl finishes, the table fills, and every row belongs to the market your address sits in. Nothing in the data shows this, which is what makes it expensive.
Rotation in the middle of pagination
Page one comes from one country and page three from another. The product ends up with a review set that never existed anywhere.
Averaging across countries at the end
The per-country split is the whole point. Collapsing it back into one number rebuilds exactly the figure the platform already showed you for free.
Поширені запитання
Why not just use the global rating the platform shows?
Because it answers a different question. The visible average is weighted by whoever the platform decided to show you, and that is your own market plus whatever it thinks you read.
Do I need a proxy for app store reviews?
Yes, if you care about more than one country. App store listings, ratings and review sets are country-scoped by design, and there is no parameter that gets you another country’s set from outside it.
Rotating or sticky?
Sticky while you page through one product, rotating between products. Mixing the two the other way round is how samples get contaminated.
Is collecting reviews legal?
It depends on the platform’s terms, on what you store and on whose personal data ends up in your database. Review text often carries names. Ask a lawyer before you build a product on it.
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