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-affl3vptu.mit-edu.top/post/2437815096

  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-affl3vptu.mit-edu.top",cType: 'managed',cRay: '90f66e4b0a24c96b',cH: '_rr0sLYQ.s820yvzwF5LJIuLdb.38bIierbHTnCseLI-1739131071-1.2.1.1-ulLPQH536PZ2BqVxVyxFOXwvaCPwephHcHjoyEB3aoeQiyHOd6Pw8vT34GoouOAw',cUPMDTk: "\/post\/2437815096?__cf_chl_tk=8iQWsx.ayguZ2zmG7qODwf15_vUvBsqcAE4WNISHxhA-1739131071-1.0.1.1-CaIxpGwQpzbenzDTnRCHgo2bZcwTSe8BBPfYCYReQG8",cFPWv: 'g',cITimeS: '1739131071',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2437815096?__cf_chl_f_tk=8iQWsx.ayguZ2zmG7qODwf15_vUvBsqcAE4WNISHxhA-1739131071-1.0.1.1-CaIxpGwQpzbenzDTnRCHgo2bZcwTSe8BBPfYCYReQG8",md: "dzWooXJEhFGmzwk3FlbHxZEmqMCKnKnFeMvfced1oGY-1739131071-1.2.1.1-AT2rNv0JpLQbsBdZ5OAQgaR65_YU.3Z53MVcZDmclin0tr5knDjWF1qQ0ErQZ1qj.iB9ixU4rEXsOoDlrPhKgQsvcUa5L4WpDPZ0wQ8eStUx6Gg6JCHyOxOaWzrGu4oIRtbvsaGKUcyS7rNCI_d97B.0PEaraSIg96oAfGJuGOpQatveTtyRUlOxrgecJMLHM4X.wPIzMtNENzNrHZ2i7.KE1244ZzJgLgmK.QLcyq0PnjRWjpouvVu1TvgqZeZ6A2_gazs0TTs9DPwIFxTM_z.gt_azyPepR0JBmrNyUXWHXNxWwH7XSOhiNhHcDq3vsT7M3hr.o8OK03gKkjV_xInRSsD6TgHdvXvcH1_1h4Exl4oNNtmuYdfGbXFDTu9hnhGBaPaMwbKhqufZ4x1Fr155emkgn1PiF82tz_o01f5vfmbWLP81pcIwbtFzm_yPR8GyQ32jH_ggSo8C2AuDmDu7X2lDCHd5dTXSkyGtGC.bn80eLNNb0DSa_jK4YYPA7xTxkyqpnLJoG3QVxm5p0_1EyVquHntltzUpL90Rm1Off11ZjefIGSXJlyfS2xkBPizfuAW.T0CHd9D4UqhrHV4KQCdBsR_LdDt.EqwRb0up9yeVJOVakxkmqzUqG.bIPMcwsvETevJ06nuh_XpUNbXvS9hx8ojwc6pvmSjs6nYae3yYuLuPewXdRzcG5ph50ZL8WDIDAt_PrGrZA1oEXhK0WLfBjR4RYKic7CwxpeUNttNGo6Ll673K8bWPedBUfc6B6K5vwSUVo3IYHwK8iMcsxNwY3Pc.1rarpLAgmh.HS0Tpm8Vawxn6TW4qrYotRpXM.SIJY2DA33OfK9EJm.NywyEbIyV4uHQlT8nqIpcehHUs_B2aX_LJZSef2M9sbsUkF3fYxOrCTPR668VFSGoAC5Ip4PqUC0xzNn4O.M5lchGXF9m2L9h4NddEALGx2LRTfj2oFYhBtYTlygS705umME8B6NmYwAsyak5gV7EBMl1m6AuQQcjHv07F2o6iZ1aScaffk9UjSHFG2HhJvaGH4uuR0rkzDTK3ZJco9rG.Axj.2q0wgsZL8GHgSZY804bq912LTFn3v9WYCz5wh7pSgvcnQtSky0BEL.5mbo8CAjdlKD3Np1RkZnFkeKeVLS0fmvoMzU.G4WhhBcdtl4MFmNtZHDEB4d8FaN3mJ1BVuBJP4kgfnLXl5hzi.C0q0_XeLas5pgDdxnC81x0CTZ3rfFCYhM8gpzOObvxPTwEsL4mDRg8zoGTKCzyE_T3NoExBWFMbdoHbAoUc.NETuYuNQPplcC5fT8JMpalHbLbQmbtmg6rRPLy8jUqICjIAbve9wfo.LxyYJwTQBuOvPcwYYxHyg4te12GLDd0jyxlGAp5T2fl3wlLr_yYOtsyGB4rQqfM2bSTX9xoi.SsmQINO.ougRNw7f2AUJCSfyYkEOcSj9eEwgJ7HeOLALa.qPXvfKruoBj.OjVeWY.iI8dHCBFRFuZrQ6w5yUiwGYkZQl1v_iZlIUljJJWe__A5Poy_GJc90NhaybrgfneeLFDCmKj_O2IY7A_lVaPcr47IjKYYD6RDZLTH6l5ap3vHXlXCMT0MnytAc2dJoPmsM2ofNxvPeiquVMxPUWlGHQGEtvqgN2s_QB9pkcKmmdOeKI8uQ2sluC75W6HsL20VZ5Crj_u7fS6K14mR3d7GhSDUYtl0ysAcBjROofWV6nkTGrjE4.lj5CO_w9KHLOYVEOmRzBlA0t0HvhjYPuYOiCjfd5rrbIPFN2VX7cPN60X.yJrr90aDOFcAvEOaTIWTDXCXWJvZ2rZ.y06v_5xF13xQfu3NLWxmZg3Djyv8felqUZHaoxo0WfON5YSMOrt8SNQPIrZA1TKKnVSZ3q238u8Cc98ulINil_iwcmMVK_8o3yj9nqf48eAOPX.d_x2IpQxFZK3JMc50dnfHwU06hqPVC6ZkCHOEpxP3APq6WsWvFYE9T9my8K67bfS4vpW79DrKvfpImF0.Lbgar9HiyLbh7_1zfo8SdICbtuv8AlD9JKQYIwSHKWs3UVIwhmtSfHqfZGN5gB6sWRxbxJwoWD5w5tfXjPy1.QAH69TtzdEQctev3XEXvkWh0zp5GCplun1UD6AaJV2huNOwDsAsh.u_8I9oMop7BGhkczr5HPNlSAB7e1Y.aJNjhOEKUeqoL8LsVHANdDxVyhihFz5a0ptsfGLgic9qIENLAECOzR1b0",mdrd: "nIjoV_e3ld5CUOsEqTuJN6a0ZDP2oVzJ3phf46x5tGE-1739131071-1.2.1.1-kosPkO5LMxTHPtG6E5B5Vt.eaSyPydOiqVx1sTZ19iG0wjXkUSIEQk.L6hdG7KXOwRJ3.Vsinw0tDYtrx4nGDvISj9QODM1YJy8L9NR2JDVEXj1oXMkXDzFKuNwGmOdpBuf5h81co44_74uaRjaoFI6Uffm71xKSwhp585oJyfSmf2ttpbJ4tflKPLaWdupb5O1FYOj0sl.dRadm8Opm7zx.CcNCNOk2TgHBgKIAl1q8n7okMxt3CLK1vq4g2e41oDe15wqVWGZ3KTXQZ7UgQCrJ96cmFYvqm2RiftSVtuEHOzT2UDxIOdnXBQe9tTEAgwNHWMwGNrwbVJU4bxACetbIPZtKwU243nbmlO8I.0NB4BYj4_rmbdpCiVPF9mJ98tiTstTxS__U5opPoLxCUglGK.92bCaU0ajXFCIxbVZw12Kb8uDB743UFqvMINzTLjUAT1GoY1r.Vd5NPHspx2e6kTvKcZsRrXlk_vcipGn393JSHYmn9lrxHhVVCvb7W_AQZkdcpIUhX0Qt74Mkgl0g9sa92mqs0i6HfgGKGV2vhghLuKyDytpmrzaUHr459z0dN3lWxr0u3HHlH1pKjBmDNngl6puDB9Nry19lN0fUARRAVmqgDStoxahjwfgyhPVgiGeOlcWyg9vxTnYgWpFRmUKrG.xgFPn8oTG9gupnPI8EQ01wBK8c_fkwYyIcGDhT_wXdqa_Z1FZjZCumg8KFfrSAq9eqrFjT7UOr6UH1nuwBjI__Lr.EoOaox_fNVxSoD_5Uxj00MZSb9fmrjOYj35yySh_nvNdDmbi7Icd9JLkOL4whcWR5AafbTb3iybCzwI4GToZmnvcZUVy7o1qwUni6ZKvjXE.FUf55zNp0HaR.o7jGr1YOcYlA9yPRA3Xs3gzqN9jahl_HoBnRhN4fPbYA0B6jYYBzXWZjT3IbaRquE62j_2VHpWOjPuaaSFNABVV2vn_eeJIwJzaAGt1p4z7NXeWU3tEHQUSJX6Q4qJ52PpUK.uK8Q7_ZgP9BIFM67RI3csahsn3vENIWL.aNO4eKpJrpdJlSkclEMoyLmDv9N5JFQP59crKV4LALOjXROb.p5U4j_byOu7iS1z4iEVCzhlv.V4pZTV43zW2lxznXfDMQd2Co8KKuPBJkRMt9I.tzvSQSj8PRVhjHQrO48rcicR4s2tAxKOWQpa5wLllJtSnFOLbEA.3WlEvZ11vUbAPz_BxN.BFd0hpU8zZOyLQ.Uq_Y1qRle_W2HIDIPaCBpzrTXKct_1_qgcBlAOv7n28Vot1KaAV_q0GG9alXaSrru.181WVnRG.osJXVWEkZ6irTDLhaVzpJeKpsQJJ7inSNpnE8HjVDwm1C1RvKJlndAj6FGHSlCK.UAN01oKsQ.r1YQsnasddGJ98pK7srdQGxps44Ps6ljrWtSXOMSB7SCzpPNdpjNOQOf3jY_n1sVSVOHj99vsGBxfFPspub1sgPeqtkplx1QZTckrcbpGDWFcBG78AITuQ._0FOBnNDNhbO.8qCZqt6E5obYneUgD1JgbkjL8e4TR_nN5KcmGgV65VQ7WPt18RNg37SP9Mj4dfSlp831s4RDNeRVbYr00jtAZE3KMma33b3WKtsnqNns3vGdh0xRh5QU6HyxYNPZx3vOX9Rz9UvJlzXEe6YToDGd94QHbIWToOXh5hCEKJx2BHV.C0bkHoZWK5fRRd5g1TH6whu4bwg8ZXmZSDeenZEw5V2lT6VMl07szJ5DNcZCW.hHfVaoItTjtI_PElyzjUan6vl22jXxonwwXvmNhKmjvV648ktLji5gg9YB69rCo1ip9gBL.zm8t4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66e4b0a24c96b';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\/2437815096?__cf_chl_rt_tk=8iQWsx.ayguZ2zmG7qODwf15_vUvBsqcAE4WNISHxhA-1739131071-1.0.1.1-CaIxpGwQpzbenzDTnRCHgo2bZcwTSe8BBPfYCYReQG8" + 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