for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-710865407582.mit-edu.top",cType: 'managed',cRay: '90f370ff0f6f82a4',cH: 'Wkz0vOrOeU753PxYie0zuEYQueWW_lYyK7O1WEtmkpE-1739099724-1.2.1.1-tIezaSv_hlTwHoDQ6E5Db3blCo1h2WmpaimzbHqVb1BC4GNFkBNVt2J6wxevQby.',cUPMDTk: "\/post\/1249875630?__cf_chl_tk=mi9ZmquyYwhK.X18HEoeHe4HSkRkaG8BWIIbCSO4328-1739099724-1.0.1.1-fU4vyRXBK2fILKcA3RPYLtZMpmrvKbBq9OvlUMw0g_Y",cFPWv: 'g',cITimeS: '1739099724',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1249875630?__cf_chl_f_tk=mi9ZmquyYwhK.X18HEoeHe4HSkRkaG8BWIIbCSO4328-1739099724-1.0.1.1-fU4vyRXBK2fILKcA3RPYLtZMpmrvKbBq9OvlUMw0g_Y",md: "7UPl2mriObg6FRygftZiyIzyGswChUO4Hq.SmCnWRXg-1739099724-1.2.1.1-V.K6YwvtNRNxAGd1aDIP75YAqOaU4RdZu3HAmFreK1Zs5h5galNK4SKWidZ0nYo_4Z0m_0XGuxV0rovONvf_tfiPWf_CqkrtH2hkUKfIg2zYxRZsTv4eNLKPdxn53cl3q4rFiimayn0M0UrLT._OATB5TDb2QmfWLLFQ.kQ46QOFh7Tzw73MnRixxKvlc2ipV10PPsmgpYgwy7MsEkv9xiKy3LQ4U1jxVNwrDxnsgnWbxdCj8.Re.XvxS2OgzZJmOzZOy24T77XmGvoyjUCae.EmeYxhOTA_HkgbAcs0x5cjvOFZTR6UmSTzkuXJPT7SvrNY.67Y.ApGs6f8pvO4qDaSLiwhx0kVC8_WqaF9eyfMtXBVr5C3DWhBevyy9RzBLROefkd7JcZC0Q49vr6r6HEOsEitDaWAMp90vy2QAhUbuWKtPpj2pqM3bmtt_Y0_DadtnBnHGGTWQBjsH7_L4JZNA3mPRtbgs568xjpOs3a7XRE_nE6VkaSWqNIchHgTVE5OEurOHs4AGojtvFNsvAEvOtU8lkQQ9tlGGo8dkFCSmAHvI5UwoJDoR_NZ2q_D04qYhLE12ECrqWJuE0Pl.Co7HtigwTOMJNZrhVgvjAThzgm37LHjeXYPtxSKr42sXmgEqFuEn7vOSH7M0tDjVRBY35x2no585OJAQAywj37j39EBRFdDnyYGtpCuGB19xEO.TcLSPkU8LmOv07Y9Fkvd5QbJfJZTtzavrMy9RBBT4P7UfyrG4NIEl5P.80MBM76PIaLIjnpFEM9v75OIiADCyZHOUodNZ2pU4O714vBMBQDMnuQ9iejAGE0mwKrVUVaKiJjrs899N9Tm5Fq68JFaySMCCEKgUFkNV4WiBFSgDaiLsKvP8TMWTdky299KdSUJW9eVKLbmK6s7fJoVbKTxH7ZY.42GmdhXaVwVjSuq1s02W091wEl5RVoDP189rxpAe1adXE1lukMAC8gxvvHtMowJdLpMLxa1UEVh_RNhO92S.Ury9MkPbw9yZ9UlDx8LHWb8c.Kx10i0kSD8EPQ0Yj39qRfbeI7v_tckSOxeHtkgeae0DmzMGAD2uziFdznlhRERqyRwqdvcIUAcrYBAnnc2ZOXDnZY.J0ORu4vWwPJyC3zomSfuHeycryfX3EOeEu45NiuNnx0MISghEgj.I_r4yWOwLxOWZmAnbn6P2ueZvbJXZiWYTRFXG.kvOxIz7fk6fKCRHNkk8yrvznwJtAFEmDh4ZMGCCo_MxG3EnqI0xA6Uaf_bZnh979vvhFXZxs8dJJ2b0Xn31yva5Ume2Fv.utAKXs1VMydlsL7m40cy7SFPB6t8LjaFk0iGKMBRLhsc0aF4eDnC4os._PY7EZ4CjUYx5JPild0UYp2suUdAMpHQ.z87cIW.75EizQCnoCw9ftJ23bs1jePZBZ8WpJ4Xh92vSZTjV5M_R0UeXpTHkFKbRc2kWm0tlBH3CmLZV2nDzMoUJ8OQ0cbf0.vjKcqGkjjnoRb0_9K5c5OuWdxeSfrBSti0efGUtbBYq5SACzfyfe8PJynyL9d5XXKikHMlnZEP0JRWpYTj4aQEvCovJB0LnlD_w_DssgxZnYLmmbUxSI8tH3klgD89vQHPd5mcSMwqp8W.hT9yri0AvBm8ktc38WS6ERNGxuXEQivKYqhJadfoGxU1hoTeH_i2H0S4.VsOdOLI7P6FreeNos3DqjtjwnmrdJaNEKzD7hdfRtZk64O6bBpiAv.ch3eXw2fhai487VXzgUhJATH0F1Ok4.TOYA5XFbhzFrWbnXOdeY5qhpjIPjPMUS1OB8F4Cc4VwePKIOwTHGdMlmqaq.LEvsb0ApHaGCMnEt7zQHYfn.P6r8k0mKQ3Z55OPRFLJcOor9mixPVDMZ8.RqcnDiH4Bm48olLd8jKi6ytZW20mprJp2GN8rug.JoOM9YxxPkYnRawwwI72oIcpvlf1WwF5MmCth6OUgchKeTCa8nZFW04vwj6U0d8dq.bH3KzB8s.0hSU6RIgUnsTV39HMd_R2W6Rv3rToTfdCRtoyiqR1wHa.2Xoc7Zyn7tEDyZwpjxYG3aE7YkJwzbkqZ3XqPRVcgLondQMbYVx2RB5Hn.EIqIheWj5fn7TKTYIq0Prwifz0ndpoOl3zOwj.3UUkXWApGzJcDAUvS6IxTdFWFi_2drym3yQTz5BixkQrk_wvgK87aCg1oGry1dzk_PCHqYI2DIwz3aIy55Hhj.Iz",mdrd: "jzVv0.2q4NwiMYGy02GzWLqi643.IvpmQv88B_7w4Yc-1739099724-1.2.1.1-IfL9lOcxFLzJceN3RLXan0qKhuJoSVyV38ZUiVy04QWt5TsylJpbO_wQchUurgeXFNoUFj6uZ6E39ivg2RtxVompvkX1x5goIcVPhl9kil4XtL32jvn4J0vU4iaFSdyvi4Qxrgs4_7_Y1zHtCBNARCLDV_4WliUFaurJfFpsJ0HRUI6Lg9k2muUaXFrnL_xabC1mcg9ixFjJ991wPBjZyPqik6Fcgj96F5NHi8jpwf1Gc5gZbKgb8rVXBKIoOd83RSBn6vSrZqGNSAXEHit4GF7DUeLoAXalirbJVd3flcwzB_fhAnCHgSwSQtBfkvD9rMwQgSyZqH9ONY3ZpAa2A_S.a617zOQ7k5hWp_E_yW2gnXwU6HOI5jjEYFXvicIE5YVWffZqbRDhhqoBKlNBrQ8hVUqfTVJ9raW1E8.FAOzBlgUdmqN9a0HLQKt3lcIBFhmFXhxUQTFSMAZsEpxFChvRiKM7ZMZdPcRTO4l3RxiS2NYYaozqBg8gWzosKjqnEEuPmAotHzLghiaMooWV17D9RUf5FNGoTCY4982QFKdkPyjA2kHr5UhP0lj0eTZvHHaso51Ut2rfFwz6NcO_VWR_cSk_O28QJx0JmBBefnnCngCBkSZqHuuuYq..hxoZq6sd6C4mC._PzmGsYfM4eQOOWIq2gxiobqq9KyBeCDQJHEYGJiVoMsijzwV1OVuIorRWHHsdFub8UTCKcUwnLGklNb4BVbG8IHDBjqRCkIUOp7pnv77kt9jTS4ZzgpCbn19Q93rQOSL11YSVWKlk.04KBF7Ko_SSiZEjPlH49QcWRnOVp5cRc6UMzbR0MduNhfrE8bBPtkNxSx_CunKqrVk5kypTf9K2Wz3xMYkd5hUS1pUonPoC4zSkDkopZWnZDTqYBrIcV8LueMx88Wb4kyr_eC604rHILGGxuDJ_br2qWagFhd6qdyHhwtF5FZnx5ExCV4W32wnz8RqasYBf9Cy9DNzovlFi1fRNNHj1lVyilW6nAAEljsjVhNkOfN6JIKMX3HnRSq3Te1dBHzIo8Ms6TlrQjSW9bpRhXdCnOuufZWAVNnHuhl7IgEdpMupQN7tkTD97gWcHgYunavm8eJohCizusDLE7UWO4m5jAs650HI2rCAbaCmyQdfbYpSpgKYrda4wJAg1pPQmNAFohT6F.4t3mBGdXJKe15jdGNUCbRG7mUsRAHHlfBS9C9KZh9kvz.biM02NLDN3AMbsM3RxeAoCzOlgpjq9qP2CYw59lki3eZ93ZVJa5vk4bVhuE7wk6HNbiLUCizjl8bGZtnw2rRGeng3F7xpLlcV5xG1gMVXq0u8Z1LKxzyN0YHwhCLCbARnKk2g_PX9Fp1dtgdnawG3iW9RDx2sy5UwinxQETRA4HzyLtqMGibYRbyX8QR_oURLuzvFPC_VNszvNjR0xHLrwqoEuO5tA_uaApuykeSkaqlVMT_2gEFpd4Jgi7EBNj9PgsjlWdIgoTrgylY76WsApjeCr_rfGQw0YBcH.kSjLeGhEQKpIdr0SKbHSbkXDD6nTqD_o0xW_2d3Ig0LT50hW_ecmbzplSZxgvpHAmXIBWejdr_EcyEZmZu7XhkY211YUe9RTWuyyJcbTs8AaLKfLjcT0qhPE577Ez7YDd08O1xLJv_IU5FRzmt7RWexiI0vi1bKtZ6bkb83d5DBXHKR6t7FHzTXbQJbUFM5A9V3MI6cYuQ0IsUbkCwTRGDzZLC9AJG_GQIzIVjFv04OcHFBdGm9m55r.xFSPVRUXZ9I9u2NT1bVerWC4KfLWDHK.Q4DcXLI6.FukW_OvOiZy7hdAoM4jxFvcjnEdhzg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f370ff0f6f82a4';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/1249875630?__cf_chl_rt_tk=mi9ZmquyYwhK.X18HEoeHe4HSkRkaG8BWIIbCSO4328-1739099724-1.0.1.1-fU4vyRXBK2fILKcA3RPYLtZMpmrvKbBq9OvlUMw0g_Y" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms