HTTPS surface reachable (robots ✓, sitemap ✓, title ✓)
Why it matters: Public files — robots.txt, sitemap.xml, head meta — are what attackers see first during reconnaissance. Misadvertised paths, stale sitemaps, and verbose generators leak more than intended (ISO 27001 A.8.9).
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<title data-react-helmet="true">CatBoost - open-source gradient boosting library</title>
<meta data-react-helmet="true" name="description" content="CatBoost is an open-source gradient boosting on decision trees library with categorical features support out of the box, successor of the MatrixNet algorithm developed by Yandex."/><meta data-react-helmet="true" name="keywords" content="catboost, matrixnet, boosting, gradient boosting, gradient boosting on decision trees, decision trees, classification, regression, LightGBM, XGBoost"/><meta data-react-helmet="true" property="og:type" content="website"/><meta data-react-helmet="true" property="og:title" content="CatBoost - state-of-the-art open-source gradient boosting library with categorical features support"/><meta data-react-helmet="true" property="og:description" content="CatBoost - state-of-the-art open-source gradient boosting library with categorical features support, https://catboost.yandex/ #catboost"/><meta data-react-helmet="true" property="og:image" content="https://avatars.mds.yandex.net/get-bunker/56833/dba868860690e7fe8b68223bb3b749ed8a36fbce/orig"/><meta data-react-helmet="true" property="og:url" content="https://catboost.ai"/><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"/><meta data-react-helmet="true" name="twitter:title" content="CatBoost - state-of-the-art open-source gradient boosting library with categorical features support"/><meta data-react-helmet="true" name="twitter:description" content="#CatBoost - state-of-the-art open-source gradient boosting library with categorical features support, "/><meta data-react-helmet="true" name="twitter:image" content="https://avatars.mds.yandex.net/get-bunker/56833/dba868860690e7fe8b68223bb3b749ed8a36fbce/orig"/><meta data-react-helmet="true" name="viewport" content="width=device-width, maximum-scale=1.0, minimal-ui"/><meta data-react-helmet="true" name="format-detection" content="telephone=no"/>
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