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-affocsyhd.mit-edu.top/post/6581930427

  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-affocsyhd.mit-edu.top",cType: 'managed',cRay: '91104edc1a2e20b2',cH: 'f7n9UCJNl3NnjNazw2Gr0wZR6jcMBlgEQ9gGsrn_iIs-1739402413-1.2.1.1-szD8WcsP_BUnm.NoGbw3crhhDUR8VBqTQmXVh7YiVC3WCTIZ0Lk4CGBDh23pg384',cUPMDTk: "\/post\/6581930427?__cf_chl_tk=9Yg27ZNyaxafRJhyj0B30G6Idam7STYPF.8enVz6eJs-1739402413-1.0.1.1-aB_4kAS7jINR.axl.kiD_a3cLPKMT0SyVyGUtd7gCS4",cFPWv: 'b',cITimeS: '1739402413',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6581930427?__cf_chl_f_tk=9Yg27ZNyaxafRJhyj0B30G6Idam7STYPF.8enVz6eJs-1739402413-1.0.1.1-aB_4kAS7jINR.axl.kiD_a3cLPKMT0SyVyGUtd7gCS4",md: "9yCeYqdaHILVlUalMns.e0UQE8qoMazfe2SyKeGD2I4-1739402413-1.2.1.1-GtKDjzMOBW9oP.siq9bnhLBV.KYqXEeiq5AsufWCnNLZQKBwZCyhV0kdNeWm4Rs_dYCOoCH3dnuFX7jiAuTHz23u969pEF.TUdxRukER8ji0W4N9_bpwrw1XeaCaREL5Rz_U.U13qVenKCXwiDvfSrivVjK5itJs..WKEgulb4W8G7k1BlU8s1C_L9CeyyzfSus3gLNfjdjPl7Tm1WjJMMQrlOwML_qPBrYGdJ7QyTw0ttRMwG76ap9jhepv5O8wZoaHuaAY2DS0QxXYbw9.sXvSstKmw791LeNgVzi8yySltZ_Oz9jntsPYciAV8ru2MGxh2y98qsyd4t1rXsyAKiL8aIABpxrp9P83H3.jxXGosTRH8BjT.p4zIz08on_CBX5mO0A7r5zY_Tmxqcw2rDKfHU5rpgY02_dU7VIHZi_uqYfbRBR_l6uZDBZwN6S.wGVjwqHBlZ13VAq9HIerTnPq3JxmY8G2CZg_j.4OwyUBvQLAolUxr2Mwfc5xzVrlitdla3uSFeFGXOTwgy3_r8FF30JHHooqx67ZLRZnvwrBRxfgEN06vDGPgCma00sUDRhYSlGSwhpfEmUbOdt4Yiw4QRXVtqT6RvHR.a1fyJvX7XVtaJeLq2zPzBz0uhMTf1ROnd3sxANAL.Exa82cgjbOa7JsEW4LAPKUZInsABiJ2WQnBHPvMkYXf.AcSearS_b_UMC1N9vMCPmtC1QPjoO5qspyy_m9VD_8df2o4N5YEgURit3mSHCQaN9gbXcIAeMOQZqZfkmqET_Jcs4.VZ7ZF0O8nV.pA8wMgdabxbzWy0ga6ZUcYf3WFZVXYX31X_ndvNTAdgIrf0pzKF7hHUXXRV7EIzUAlhH6EKByZ6K.uTz33._lYVPyedEJeQqi7wkoeV3p83n1YlRN6YXgeYTLQOeC5OZgxotbf5oMFqcuRlOsOqg90AnnLb5dK2easolqQ5f3eWprM9v_qRx.Qv4c4o_kDUQg97GDJWibUU0ol61Mt9XwGoba1GtQLusgo_XA0iJ9JzaUbSYeFjgg5eQJVVXTPNrz_dFCLtmUsLNIbh7VYo9AokGZg4333BQk07FXnVKl2QqaYJX3BHx8QspVAl8zEV_OHxOOsWy84r8bM_4.oV4RTlAISp_aY_jd66kwluL5kniGh_aRJ5hGZeF7dAXNL1DLwBNIrpoNrTmSFdwNdnjkFgpi0M6.t.MR6yUvUOovg1IQfCl9CYHUkvmnqlUri9oHF4HOMx_odBHVsspWzAJb0oa54L1Bw7fZpUjhZxj5gVb5YV9WFzE9nN0wAdGHNItiXXdO_R8kf1AVe0gujy1G_SlM4IVT4gRbtuiSpSpeu0WIa0UCNYk0cjbSZHO6M8O26DQv9zwRq_DlBF7Hh9FVIWS_gRpCteEE_2Gp8FKtIdsbefQdpOBkBgJZR1XyCKRF2nsfdF0UFJg7oVepSTfOjmUm4FqaGXl66XlXs9KfOnpCcNqtfrZ8lMKZvbinBMCVhPalzSttIK4aqLgK_913LiAV9qTTWSFSip4KWG9u322dzpEDSGrwFsdihogTHYIJzeJpLsm6Aa5OZuppQxA8zDwceQpgMsMgOTKwNIiuw9Hq_3_ev8akZ5n8E95LjOf8NMu6fp53HYYVP4EQGmMfKabmVTJTPzfQjomm5wPyWiWEMpwhAhZ2sLwHt9eyd50qfdevUXl8g52DbR3UkBYG4plZgjA9UaC.RpF5tzCJi3oNi.h7fWRdL.CRN4DMGH98hHq78eWEwx55Ol1REUJcRrG4UebRppc6cpHrpzI7EuNZAFsLkOT1RlmkYIMw_gLlks1nn0EkT81G0XVIOXntvLcU5vHQrGHn0SuhBHaX3KPIKDSUplYw8CT0GTRXUUL53uolHwhoXCawYR5fWWRO60ofUVqCHdh3gjV9P0AZ4d1nl65oVUm2Dwdsz.Tu2C3UncPcF_KB33W7whb7.hUaFHfOxz.bfmr522fHFYWZbtaPERSkolu292l49IslaYHeFeFOmb3f1gHqdfR2eSsezUqftSW3t8PjgkxWNTLKfhU2rDK4h1.sSIEylLZEUpmZFkEUjTV99GoUc1IH.gML_UyIN5SSUAkROk9RpFOIFHtbVtTynCIIlFLQ7tzcABD5qepk4D2.ZXXVQYhAkIH7.nwDVz6Pq1456tBN1ETLwlEovtUefKpZmjFCAK0Ou2NssdlFM9621RgozPEOBcKtyKB5l8pzgaUp",mdrd: "nz3sZkT3pyw06ER9ededZ1LX0XEFv3nevPBx5Xv2UEU-1739402413-1.2.1.1-fp9X95YJV5YOqyAgvataQH_p.tnIq4jjXjUt7fkMik6rj4kb6_7QxvJDMdy9Xydl3k2NcXAHyw5zBYPaqgl9.TSTp5d1bAjAhqtI5EMGGToyRWWq1Y5Ead7HwNMPzdW9Kgc6doaE8PKR0kC7UoP2HAi28O5Q2.ljuP6CcCgfE3mBLKjvmeDAE5L1UtGlJDzbqCCJIOg4FC_XK2mpsziZXwoNLXGtr6hvDgta.inF_FOXcLg_3H_VLdUo6K1DblcsoQyVGFJ2wICGYoCotPM6spdIhXx5asE9v_TzvRYOZA8wIPSAoRSs8s1Glcl60aC2AsO53.yT.9ui5DnniZZW5TBFuRRY4ciH9gmwu.6bmnyw5.P0gLFGVqtBbDhR4oVF1v6RjNUKiY4XF8IyGWigtGOX0dD0XE84nQBiDMUvbeme116t8ayqblF25HdhytVkvOx7QhqX0nWQTHPr5fO7pf1uyLG.BYnZg25Bsyp_9YzrnuHRtS2E6biBQNXWztwJ.QAAlRhzK40xOhjfBh9M8ezN.9f2bBujaapHc9SIbkpql.hAA5dNTqpYL0Tg1AcUr60Fja8mu73H0krxhk4Hvw6_LUS5qIN25Jp6lCUoa_W1Y1SyVSHCWi.Xg_RRR_W813pdIqyUfmCkqdwSCWw03vbGyehIeDHS49Y5BtLh1R2MbVSccq6_Yg3hVyiGgSUw7nKhCP5fHNH7u40JTBrAjxEBGsbTrOGjoWasP13dis23XYWUGGY7YcQ6lZ5cYBAfDTda5BMxN0e_Tz9v7logz8kZz3vLfs5hQzxlSiwLwhCmall6sq5uohQ.Y4wQ6figbrITNgro_SD6zQbG34353FiI2pWEBKdWPmpTLjsBR45Neg8DSp6sFJigV7lugHw3RJSxubZYJ2KJdsYSx.u8qTabjJRK_AUflQ4uq4kUC2gyYc1ItnkSHe5eEjMTirVyMdD9ShE3BWTV35iX1pPJD0i9gcgnSsDMSfz3v3Lwi_UZxy0K2TqVQ6s1fN.bgadDtIA0FoebXsOVzS8NTxDwYZq6GZAciKdvLsdtHhlSrthwKWC3J46K1EJcy2QD59Zdj1Rvhl2DknWijYdUDNiO7ron9Bk2nBn9r.UAlAMRVVB8r8hLuEfSDyUmrI7pK6z1w5Vxz0nBKXb10rnbzSgVa1_GlOCQCJlyWcpEz31yJOFAu1hBxx3WA5JGqtXrKhZa8zeC0Zt2fv5VhG_.V5.7bWRmc6Q3fNd82dPXE8uMlf1wzsFbkKFFzaffOtvgtEh1qfv.oC5Qx3ir0rmOaFMY8z77.iTQ51Vjo5r_p1C1o2UC.VR2N5clULBHZcWrZ.2KJuC0PNatUaMcEU5hwAmKMkiqyiRINHwiSVQttO73ACtzzRi3R.FXPFnt564vijDrYHbttFdOEbYj09ghbWXU8TLmsMqqOhYbhKH13yq3DtA8awWZzcTQZqNUna2_ekzTEMaJRyfM.M1MiFy52fz.MxeNcXRcbXICBTz8QscrDHLbhXXvpOBNf2PTfIcDMe_2utbYNvuyFHFO5_UemlaZkIXJhS9WqgTPF.dhgkVZSe4MNvU.RsDbxuI90HvksTHKibedjcOZXWma9l_IKXNB8pMe2nGqvZidJ8QivW49MBDUwVwzQ2wlhxP64bTVuiqolfQ1qmjiE7jMvYa8NgvJN6ppi_zJcTGYjJvbDQWN4dc4jfaTfO70YrIrF92.y4tcf7TSMU.xD9b1f3d1HHscGMY1TnYx5kZd3qgTLmTUlgdL0ntKjfj3Bsx_Ni_NDeUgXvg39IUuabmkkiiTHIYEFXexDvvTOoL6gvpQvVwJ1Jg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104edc1a2e20b2';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\/6581930427?__cf_chl_rt_tk=9Yg27ZNyaxafRJhyj0B30G6Idam7STYPF.8enVz6eJs-1739402413-1.0.1.1-aB_4kAS7jINR.axl.kiD_a3cLPKMT0SyVyGUtd7gCS4" + 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