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-201385316126.mit-edu.top/post/1380975426

  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-201385316126.mit-edu.top",cType: 'managed',cRay: '90f3748b09e4e5b8',cH: 'Nq.5KIZ1gn.Y.jnhWuyzPk6mHWQxANz4qbMd.sCyPTA-1739099869-1.2.1.1-kt6amCuQNestC5gczWfn3aUGU_bVbivBKh80oEkIm.4eGQGDbshwpxTFI8IjhbfA',cUPMDTk: "\/post\/1380975426?__cf_chl_tk=QvZAFxSB7UQJOrl17TlpHr.NGt4V.kynaP7pa1iN4ZE-1739099869-1.0.1.1-9gnqKZlaaxOGY8Id0dS4bxW2F1eICkZGtMSNn6bHGk4",cFPWv: 'g',cITimeS: '1739099869',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1380975426?__cf_chl_f_tk=QvZAFxSB7UQJOrl17TlpHr.NGt4V.kynaP7pa1iN4ZE-1739099869-1.0.1.1-9gnqKZlaaxOGY8Id0dS4bxW2F1eICkZGtMSNn6bHGk4",md: "iq8PBa2jG.Tw.3ULjTd0JRq6ecnjum7IFriXj1m54FA-1739099869-1.2.1.1-Dtr9qET36Esy.Q5mOT1DiS7iK_LCPQ6MTr0roc19TdNPXoLKOJrXRT9I9UL1ngAK.jewct5mrPWg8sVoVuUki_2VlH.iySAJ3U73krrbDZ_jONpM7yDC1MbPvzYmOBrzA7IehmOlbo0Kk.U0k6VRFyJD7LGhDB_QX4PbNbc2wLLRN81wLkcG._OEGDGxL_ahlh1qJONonZJ668WjKOZNq6SX.4lgWpiWYc0TctBqOwsUc70umpnnHsni8_9ElR46ImTCsZ.7Z6XZacIgEAwwBfjRTo2L8mIUqkNU2EeccM.2IOrfeB0DRDYaxGrcUSgI5VF8VH_enFluLAnhlGt10bMIi_E_6r2s3Jr8tG8idkj4G2u9YaSv.j1vNvbFcTtGHS6j4TIHRPDC2IuzGEV8KNybXEC.w8iETNoP36tewwtyJsjU3G.Yc4Vzgbs23N3tdD.T5O42mvFChl1rv7cmgZkX.9WvjynLzYAlwPFn3KzUym0M_rUlrY.ywk1dUoyX6IAKEmjPfRwwPEey9jt.k731Kg.sQJeiEpPciiFSCXK3G7sl2V9eFdDoEnewACTFKNa0zhDUc2CE5q4DkFkemTeLRjcrOTCpffJA88TKfvpWXYTOXHz5T1toTB_ft0xrTGZ8GuIZFxU.ZZayiYZHXhd9HIGeURQz51bvklKdoECDpNOpmDkc4nlklEEZpH1onMaDVTc.t.WfORmiyoZc90U9aER1TqtKgbdhbA4QuNMK6Ykr_KK6s7VPb.y6A.QzZBr_V9f6kzzCFsKG1o7JjdC2vlag13H_LUIzHWVhq_3T1AyXlkpSKK1RERsJGST6C3wJerf10C.OP7SpQtLFXgu6QeirAukOnvkH0gaq4ubN17P3d2JnKGfme3zpj7UpcaqAfzAGL0PYx0qawmP5KcuuXEK6LXytmnGPdLL1xxhHlgBvgMPCeIEm47d1G9mvJnnMAZmqXWzpN7vkGzbncZlQxSQ9oYfITbqzIJOmsgMZ9hFPLZVRA6_YcZNIRMCPtwvwTd_nRbHPgUKZyZZ55vp6ugZ_MIlgm8r1RVT0j6QM4KGRB1s5ohTa_cyzfccASYoXQtu1fhrPoRGA9rk2z3ztB9dN0UPzUeHOX8p32WhSXXxwOBP0lVvy23eL7ALfAnrMeeJTAdNPDjWFD_KouN.Jy9PmrsTrXGCZriK6tG0.MvB6RF6boq5J8B22WT.ybOFjExA6whf6dB.UMGX5emavxnWaNSY0s6ixoztpQk8tpK1t0vXSFQv2i.yefldV_wD9LFSWMaeUiPBnu0.g1KmtbSeQG3ivzeIiHx_f5lvt08lm4sEcMwX4m6PsHfNo9LGqBuH4uvDhnoJkxdTf6pJo4yvd0lsdV22AliTWJpc0cfRnlc35EIgJ5HteuOkonJoxRVhugH2hvH1m2z5GuOjxh4VPHxxaRhvtik_9u8XwXz_hJjH2k7j4ygM0SRVqZqMYMhYkKKieyYKV7YpiYZcYz9hfJkmVBRxn6AAj6AEZ.GUUBgF7kcaYBE.jTRp26KS0F0uIEwfoI6DT7l2zu5DaLC1UHXqywwUlx0fV4GlvN7bc_W1yTrBw5dZ_QvhwLDTJgY3qA6u.pcgUJXff4bQtiroARoNTxXZv6TU9v37VddjgItfZw7NPZzse3POx5DnI6Cm4DjOxh29LBGRFYd5noO7ldpCzm.E_jVXbai7ouQCFnD4pv3oO1jtoWQcwtqm_ojpZlkjtenbkvpOJU4AeqhkUVTorLdmleZ7bXo8H7NFslT3eOaIXbazIZPB.4jYfXkGezOPA0Dw.vsidEk4OLvVlxILBFJ3VcHEN74MKjuYw1YU93DZmQ9WSEZQa7.HEcSPZCobMWlyAuq38D2aJlj7AtfSDINrA9l9W.uKeddeDVfu_t4OAMeqIFUGumZEQmAtT4sl3eReMAqTeQVKeBVEgLrLvjIbJXB0NcIik2zoUNk7gtY0dxyOI5y66lQf9VH0uz2Lcrd4e9eJ7DdH33s6hBCOU.lVKQ9D05.cWk4ERLofUczeCNqGGgwCVc8WypdQl8Gluu5r.egLTTavkTjbIH1OmKyWFklhdzLx_SbixOvdUo3NW3BPLCgDsfb6J1i4OgJU5NNo6hXBbfkLpmM50rpxS.d1lSNPJyLGtHfXFvW_UOA2NNI.F.cbQJVbcEbfW.Pay6FAl7v0jUigCoQn4eok20.GHwDprkSQctXH.NkFSPBxnHkbFB_LO",mdrd: "DnuOjHUibXo6HPL5A61vXuhiXepDy0uGsLbBukMbTUw-1739099869-1.2.1.1-ZXWCk_CxKTZEh__.KiFHlyRqBcvLVOijY7eAsWoInmZLt.pLl2i2jnTYhCh.ROu.wZTwclMRCHEHBbXGuXJC36cReUrXuE_BP8frvddBv6p5AJG6xymLaF5eKcaX70CsI8hyEuafwTtZraeNWdB8JXbdka.m6aKNxqLRpzGECktPwFo7YfXwAj0SCGy4lAHGv1olV2S9MxJdFr24EOBh5NplCdZ_d_e9FYx9hjX1ADBrXsKYzbAciMIi_lo2MhaqdNhEyodgnJeqouh2RN57n0.AHmqyI7fD2p2sVvul5XZQNTj_ZqQrtJ2IeCQv6HIgLg32sg3BPHVkwBLiPor3DQ18tanGgEUVt71IfQRHDTnUo3ErzcjVLr85SgsLxKjUaxt6VrLHQR3Q.TycW37GFjYgcfRuMBYPceSzslaKkEwZnRpcK48NPne321skf3Nngz79c5VU5U5vS0bHTuJlwIpWzC4fPTpYN8LHeNPjOrHEgO04P2taoqxWEdznNaFv.GVK1pyl9DBb3_6vQe_7sCwvjCmoiiLbTZ5KIPEQT0COpd8IVUijUqnjVSphrxUqSGHv2smpgfG_sNuwMBlBHg7LVnHuxFXXqmSyvBT4Ey7os93yp9YDW4kAKqdKSds3VzyKNoy..qhGHzue_wWYjEIpHi.7wUUKjPH7v6aL1aBDtwioq4BgCpQMWAYDQcPrwMCJPAvmiKSaathSYlflKm.1DPNUajb4ChVNDAZjH2UQpLxFGyI7WOrIHBSSlr2elAniE3XKsVCwPwjikUOYx.cKaEOCpM5v1t7d.zFKIiuTbV.AGGWfcSrwkAJkwg700gqe_HJdoPPkcOdr.t7_PpqO4007lOfwCewHjYcN_031POs1ornN1BdkVPjFx0KT.It53I0n8oKfvX5rpnKosp_q_FFvwW5R2KD3G.lAPFjV0VAWpU5B.4xjNnQyOJQ89RCiYtnlre21sXRtzUaCabfD_0mPT91ATDCMemzHxWgjZFtDUXkWYpx8Mfp3eE56flfF41yG5GWaCP07ESNXEo8QQYwTKALrIBxyEZ0Z.3AkYv.avYO1g1pVA.yqYxVNiobLTDy5wkiVcEpxauRk.2KzcCNHwsBBSYQftg_5kxGO_oYcmdYxgWnsamY0X_Fh7LcBI1nVK6up7zLz02gE6PBJaWx_3a9e18z5KdeFI8yp0NL78TqajXYCuWXVVoePrcxW5j7huUNP8lrZuGHBIs1EE7JcS.SjiDJMcACaywfGFLpFJpK10ZP36op2z8W9ne829tkeJAKCMkAJqlQJ82weuhErQz7cfeJdijpi87PuZCo5eYB1QETyGv20dWRJmKxPo5OMbQuGcHc.1peFYh3hiFHbVGSKaLI._Ih9QAdk40u5OW1S_sSBzaK05n43idKlXsCDP7QH8r3F2L2XtrnkwQ4KpbOHSWJxiatecEmbODsikpXtqx46hWf0Lu1TcMXcY20Pl1xdqJvp7kL1a4lvGLUTPDpSUgjUPO2aVnrPlLZJiy.uDZkKvC3oPfx282RIAYEF9gCA2Gee8CRBoeYG5G63EPR140C886xQHm3xxQTe.jYto4NK3VJKNCfnSEe_6v7JK0vgwcpQ6QauMV6LRptqpdZmnBWb0CYkxwhLo.pLi2VfrXN3.63q5vz.QP_xGcLTfotaYZzX9BNaa3hNvheBE8Z6jAwY92EU.Vnb3lQ8.jmEweVGM.ifWI_fZ77lp9SGNPSZEafXt7DpK80IqxtrFElpcoYyX8RpEJVzHP0Ik9ZTAjNCy3PYXzzitzCEAmK6PyyJWM_L_bck78RPrqCXNKG_KY8Rs61QgGc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3748b09e4e5b8';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\/1380975426?__cf_chl_rt_tk=QvZAFxSB7UQJOrl17TlpHr.NGt4V.kynaP7pa1iN4ZE-1739099869-1.0.1.1-9gnqKZlaaxOGY8Id0dS4bxW2F1eICkZGtMSNn6bHGk4" + 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