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.

Source: https://blog-aff11dcgw.mit-edu.top/post/1528760394

  1. <!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-aff11dcgw.mit-edu.top",cType: 'managed',cRay: '90fb1beabf3f05fa',cH: 'K4buHIyy5_fVpjwt.KzxJw.u2mgZbFe2P_.rBDwYHSM-1739180125-1.2.1.1-hKgYKMjJHKaVnHOm81gZOmDocLoq5UEq979gd5rYCPRgWMqx_yF69gf.s1gc6iiW',cUPMDTk: "\/post\/1528760394?__cf_chl_tk=6iw2v2dTsdCJeHfJz8zUrHXkjBgizdYsPAydGg3hC1M-1739180125-1.0.1.1-uVpl2rI4VsS.azJBXRWK.JUwY64gG3lGDQlZiG1Ksnc",cFPWv: 'g',cITimeS: '1739180125',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1528760394?__cf_chl_f_tk=6iw2v2dTsdCJeHfJz8zUrHXkjBgizdYsPAydGg3hC1M-1739180125-1.0.1.1-uVpl2rI4VsS.azJBXRWK.JUwY64gG3lGDQlZiG1Ksnc",md: "eR2iIKamMag5K4DTUZKiBE_f0524SNgFK2szEneeBcE-1739180125-1.2.1.1-4bDx4mOcott8IbctQqcENzWdMMLVznUVFw5HYWrFjZdsJc93s3nYJNRjAeZnugZFyjA3wjqk17NQw5KfJsOkS8iD2kUlFeSsKZlKoO5MLQYJlJbHtM9nDKxOXhsUuvqWWB7poT7j93RWzF8S32ZT15zmp4GDrd3uzEAdYf24qnf7GBGZ8dsD9ibBBRgYbdLn19GqD.qpEEEmL8qtbT59oIWX9Lqcdhz9ibskSgSk1Ed8rfG8pDtQ4UlnaRDhcZ2Rid0xk9SxPBgiz8CWQri9kn3u40FKs_qhzI2JiXdUECVo0PWfm7eMHJeyZurvKNkwtLFkMpfOv5l_STLqnxvtWqN3cPAMhkg4KfYnxoMt1oIBJCVLxtU9yWuZ.0dvnh5AHHmI0hwirAZd0.FN.lRqDUjjq2MbwpaSAf0RYmOST5aOOoZAkV00JX.mcdHvUrfcv_povOQBDuqDQ.pUWBia9BjOVQHmO0Su8xSlmJ83WoVa38mGo6vHQ5SwS9kWiEZBI2XNLFZwCbyXd1pYMR_IJqh.AKZsZDIW7_GGmjgl.OZLGlxZHuIaYQbJ4kLkxSGleYVEN.8hFbAGpxipkTK3HbaqXwCp7QhDkthWYslLA8KsFi7GGyhQ5mp5yrKz0K5vTaa1oco3.Sw9S1Hlv7J7wQ_Gdw9ly4O0_PbNbwtO5vkugB2cT72QY3RMsAJRGiax6CMaQ_XevuR0u8JLbNzgU2JRKWN5EWrQX7EjWq.u323JZAifdFXafdGWyRI3ymLaCJHllYBTE4t3y4OSVJHWTKcpzNoiyyjaJbYafMryHZYYWAWN6zSXvO52_TeNisu9vmOTMek3dwuFGLRSkM7FTgLWcTNph8zJM8vD3cjCYU07Bj4tSb36Ov_xA8IK9R2OfHhjYORO6IwPCyemUPOvpI7sgEB3gU_VxXyPtvUCoxiO27NOsQ5_G_Mjmfg6SG8uX7A13GKyD6D.pxyUIEm4yXBxB52RN3TeAqsLFewzPOpqoocyeaR54Q97wkftM87UX_qOKo8bMvWnkl0mMfleBCUKtwimeuNSLmQJBzgsEVUeSUGBAGBHTNVqUlsUXHSPRgiuJL8eMaoVJ3dVz0uw6vE1sDWSh0H8GVUzzXSHORJ6.4sNVgBiuvVejYzX972x1LBivZqy7dle7biN_ws46t0QUG2ag0VO52nHdZcUGSCXtKuswFWb101bhc8MWMpUm6cvzzlpKcEnsuz_k9B38.sJS2RLWhdqWfVS1w6QH1KjUvsUVjDAEnRynNZMFBgCmML4xHVHdNyReTMJPPHPeqlBKpz.iIxE.wOVcaV2Fs5UVg_.pGQ_otD2OjNZrYbnN7dAqeKYLkA3FdVt456AJIFOFc0ertuzn5VT4QvqgtXI1eKzMutmkLsLFwYwQ_DorFvcmFWZq8uw5shiQ3112PMIh.zelnavNEpJgCZK8K_H_3bZNAzN5ILHiB09f.whYsjuI7Xycoz49ypvolAzmkBiw6g18mTZPmLlh0tG28wUCykPh8f2emFMgCjjbO4Sj5D9_6ueDOYZqULzSN51fAO3iJUAjwhadTc4Q9bQugS_5VCqitBqzlg7X9Bcxer3orui_8PGuFJ_6zY0lbQnw2kmlmQKUiSTiT3f3fbEWDOubfC4mD9hR1x2s8Ac9tMiYlIAMEPmjaXG.etSzlVlt5z3nuCQfKkPd7MQksXXCd9b5JSzi_dlp8Zit.3znVuEhkzberVlnR_tfcwsWoHtCcMHavNKulM7Pi1AiJDKSWMl7HlCDG60dtdn89BTWjoq0W2ejOT.rwHSW5Z8FDOVWRoAsCBW9zECn4xdbcYhZRQFSNaE3ErC0qvzTZbXqUPsw3DQjIu5waXoWRW5vKEgOkRoIgCc76Ts6ntSVu4OkdH_vL7u_KNHKjVnlA8Gahwha9fFbxESalcb_J0QJJw3Ps_9owRB21j..nxmn2j.692wDvDq_cY53J5GJGZIabk.z9Rrv9NBb3hPMwwjUvEQGrhy2a9qHp9peGezfj_2UBBloaorSNI0JbvaJ4WW2D9C65F45CovJQSEqL7qgUbWsU1AsnFWBcoEVIG5iPBmlHc0qzTm6JOYktgci97Y6Mm4F4Z0DYjFqibttLyA8nA0ub3vq7ZgOs13NFZ4uCVfNS7MWp78RrMjuAltg6IV4X8W_Ey3T7a9g1JdYwgnhVnsqWiyh5mBIuDtOwScDq8v76EAKA6HDp.nToXHiHZncg7A",mdrd: "HbKZD7TzxSvIDMcbn7ZR8NUWV4YGlQkOJYzifr4nlOQ-1739180125-1.2.1.1-GNz8WmEyGMDgU7lbSAtboUOjl2AbnkZEIdsi1jGOQTMQJ7p8Jdt_we9FZ_H3TCHsMlcjvhN8ifh4OQtx3aO6IB4zzvMSY6_EZa.wOyiOQJG1CybggyThilpWgB_mQYWrPNUr6QuE83AeCjgkK.96dpNwENmT0deoHUUP7RgmaKxNLjzYX0xnBqnPeth00V36Vt.ric3hR5LeftjXYuIESTNhnb2kVsx7XxyWMLFRnzDFXJULNrE5t8EbMpp0.5_rTdTsB9h5w5Pa3nnQulT8RklZY7UVf_Qwz7TfKsMiiMlA7PYKHew_bSqY6uELOmlP0vp1FBWrm7LFPZn1t4dFOIreP2oFi5U_5zlkoPNcCPfGWQ19KfSa73IjeZuRb8it.mhrC4armaFCvkJ6L2LXlxmSeKMRNXBfsuHWvQzwZYdDI9GGVoQg4Eaj2rmiBG5ZNJtYpqGkYZ5n3mvo8kXeRKN1uxD1m_xSrVlGL2IVYdL5uhNF.Qbr_JbyeKQRFyMpGJobUaV..iQi40ti3fFtJHkKhlvw_YlU.8mAoRclwSVnYBK62jAVpqgpy1.3JPNoMUpI7U0zk.i6ASCCnOQFW4un23WdqZmkv53uXQ8413mvhF7ZLdbjPhQAETrVM0JEc20vf4bfSt2rPgJTTbvCSUY58nRd4lopIr08uvLToOGNbEBeUbenQiYCj4E21aeBQgUJV_3s6e2yg7KiiVKd250KnU8rhL9AHd8ZogRBSdpd_k3guuVH9BWBU9CJ8mG683y5.7k22FgCfYHKAuCHTY._7YLVKaZgpdwhRn0zgo19mown1gwMKc1H0.Rfysu8Bbt01uoZ2uY9U2B55wfQyW9muSos72DPQCtm11vB.Lz2H4hjaC2AZjsbZcx_pT9xfyUE6PrTcKOHBEShRwtUgkGJPo.DIVxq.g44v5.yHFbTev3mfjVkqnehAe2TchOVXmApWqPNZbdmCSLrMuSr_pABwLB.88wHPwlkUMrGX8i6hn3Vx2QS0W1jF16laD2y7C77.MqSSzWX.9skgIS0OdvLoEIhBe4EkCIxiizQooZ2XoyQRUEzu3NDlC0yGoXFZmvllYj0.QAvgGI7miuQ79_K1QifFlHwluII1oLLRL3Rqqd1b_Z8sZUZ5hNSPkzM_IWl49ZhLfkxrrpYxVlDI19TXxcujkdCyyFi.4QGL8LL0wQBcSeXi8xr0XDfWFIZ_xdcr13kWgbNt5d8PsyJ8xYyX6Rc1KY7XpDKCz0wqov07oSd8yC96Lc2HDZZfg5gbd8yZjD6xiCgcTtceivv0eusbqfgNrpwuc9wl.4G1Unb8jezGFPuCma6H_hKXiEec0jWnmyWqGXFFBTCez9WOmpgRiQSkOY8BZzOB2r16iU6mUa2oGfAfSb3s8zMP_8UCDI4u_Pzi8DDK0L1eSbapPyMaT0UL40NUTl1DubuT_hjyho8afoaOv.SmIcsnUc0rveMzh2n2sCi8Yr.OvwHBi_4ye_xo8MeAfIJKrh8HPNhv51SchAnQ0ooUqqMWUWfxt.c34RIYzDJCsoaMptPNExta3pNXR7cSPTgLW0C3qMndHvx9aQe7TAPFGIrb9NPEY16mZCA92Ngq1iU7sxdb8xKVHRNQzRzvzMmPTmv0D.5BTiTLmnRiLzBwB4IOICqJ7QOnzXQFfMsPVrcvP4tKuuvka39e.yOgOadeYb8XTPU8B7PjFv3lmPZ7mx_qmzL9P2gbKJGJKTfjU8a8jVk8qAbPtNJZ1e92weT48SMCs31pflVOP.N_ZS9DKMNB_hMXfAuWz4JhukAktU5BsZ3dw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1beabf3f05fa';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\/1528760394?__cf_chl_rt_tk=6iw2v2dTsdCJeHfJz8zUrHXkjBgizdYsPAydGg3hC1M-1739180125-1.0.1.1-uVpl2rI4VsS.azJBXRWK.JUwY64gG3lGDQlZiG1Ksnc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda