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-803075205149.mit-edu.top/post/1968734520

  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-803075205149.mit-edu.top",cType: 'managed',cRay: '90f63babf89f3b59',cH: 'vNiKp6JlH5BdP9LvG2sfl4ybCyCgAo70g7PdiwVJubU-1739128997-1.2.1.1-9g8waHx7W9FN9o0prs_P2yzpw99lhb3JaErsYbUQFnT81Bzj5f_9fCY8hfR_KKx7',cUPMDTk: "\/post\/1968734520?__cf_chl_tk=vaK_.uqP5tOUYIVu59XR2rAkfEU6F7Vde1EuigkEujE-1739128997-1.0.1.1-dRv2QHdnZHyAttXqUzDQnqlAWIWDi7EEqsy8DWIRbhs",cFPWv: 'g',cITimeS: '1739128997',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1968734520?__cf_chl_f_tk=vaK_.uqP5tOUYIVu59XR2rAkfEU6F7Vde1EuigkEujE-1739128997-1.0.1.1-dRv2QHdnZHyAttXqUzDQnqlAWIWDi7EEqsy8DWIRbhs",md: "HL.8k1SQzGAEqQHjw9dVXi4BnXpzRV15rsuw3_b7oU0-1739128997-1.2.1.1-Mo2xEr_C.o5HhhrqaE.kAh6Q.MpLDgHKCP_OgWu71jWK_OxtatsQ6IWZTM.egWlF5xBwbZt_LIA3skvo5IrHdEAWq3jWaeVXb3EFpvEAFblXt0iODrg8pPUbSdwlv2E9htxjyWvNOLJ.bmMuACcJe8tGnZLS362vvavnWz7KeRg9_auZGGPL6z20_jfJtnlkbnN5o_fpuSWnvAxkMPnHoTdHq8pTOoozBdpj7opTfe6pnNFn3_KL2PxmbvBenI8rm2NnY2DFqAVfkN9nRtX_Jzv2HSn222e.g_dCAbsvyMMmfGxfAnUMnBtWa9kgLK5LflazAobCUUDX5P49h7oQJlHBF49JIsEnWIV.47iTOqJJ71qIYK53Zj9rnYRPfhwer3mFq5iRb__FNhhzuhnm4aVDcgfX.Ceaz_55i913KBP2dUbP.UFqRQ__QUUs9pdQjkGoWVu4ejNk_ST14lEHIVhQUAsLGJ_LdmX8X2Wd.zL_rP8m1F9Mm.dd5YY67MGeFXbLI22dCzSC54teF5uZx0umUgFVhCJhDzXfUx_ElDHs47P6sjA6DlmCTKkjBFlObF..2gNPaRf3ltpcNXzq8igvw_bzpSc5ax8NQQEU2W8Tob8jTpxK3HhX30yPfIB_4THv47n99jRi9uSFm9zPNrWIJRZAOXCqvmZNSMRbfBVowaI8wui22yjJB7HX1GlAP4NhFXCX9_g4M1S.jQJn6sd66v6un1QWBM.vPxDYQqg_H6UpEblbSrda9Zphv1xgVdZoxp16Rb0xuKOntemTboIULTAPOJc8OMRFmJcaj80YXIFWxdDrUrnSq_ay0ceP4kI0z__aSXW9WFvmL9n4knjpJMwFbO4P.Yty.A_k5yhLH2ItUlajC5iQwKqiYmVcS7vDjzzWlfhkQ4w_C6VvMJaaP9ktXrHiwUuyXehwkJsI8NcUVL.oTfpN9SuieORNGSgSE.LgWsspqB7.DUNUyg85kTIMrmLmUJ6lB0ibBhySojChwZ3QUhCJ5ShuggUcxNna6ChSc4H49.6j4Bq_N6owcrhSSMCN9PrrISuD6TuRv6mmk5yVzBXDkv1WI15nuypfjA735yKq9b6sJyHVsmScAKFj4EkQdlRiw0kreT7sDElWFN7hVk5Nlz5Fja.MfdDglLn.JhlqRAaP_1Gtey.STYWnAfBnFCW6vzHmFH9uc9wRo4GJD360j1avAfNiZwyFBV_5zKlJDgIutJrsXo7h1WA35VbCMzs8egnt5_2ibxFweTlvUTNTaf7V7jqOGnlrKWmLhjj.OpEfr_2L3fWY.w.rVroQmv.xHOqKavauWgtskiybSD2qqQCZRcWy9mEJRUs8uhsUcxVsiMOdHLCdOzmsCdGC9etlfZc_Y4m9fxvXh5kYgz3AOCPQLpw0rEo6mU_3gDaX10JimZ9LCh9j5DEDUANnSmaL5pBr_ptiPu.G0y2B8J0RV7N4FnEAV9SUddIiDyIzBb1Z.cu4BdAFzs736wxY5ahnTEBTLtvToFmf7sOrSkdFNP.QcF6yOu_T8d9xMM8Fs5zFEAgaJhI.qLskaDH1N3K_UH5Yb_B5N2fuaQrubNlVh6FR9YgeROhhe6eu.kkIXzqw_jvxah4EHxqup90HDXq0_cnNydNQunSpP5XdKkkVWWu91a0q1GMzmKigMCd7YRzW.ut3eOE9xCExJW_cgZ8XxhU_e0TkMd0BatX2x.VqHy4ZIghYdfXdBnX2ksvjeXLs5bEdxHr7jH3C0vOHSjWv06R7o7nvAJs9Sg.7wxBqiRiyVtss_EyrJRC.wqhZuU.BKmhJwQ615.7mcnyBKIpT2yIGA6_9nGAj2P8j9KGvATxBtHDGnoMhuKEJlVtyoifuPLMwtklM6kZcr2Ls5cxpXC7e2pL5qiXoxK0lj1MGWsxOZgJTeBZXcdUbKdNONZ9dyTvkuBLkt2TiUn0NXvI5G9QC7SvxvlG6AVYWh5Yn7cCeaUI96zFje1q5I7xGu4WJTShyklyIStXTGydUpfBFhpmzx4krQmllTMy0dUPPv3BoxtsrpShFySQVGoiuRJrTFosgIO_DXITWZ8.obEbkqHUv4cj68rRk72Mxw.xAizfxN71NkJ5yU7ez4qkxB8YtAW5mhnsFOaXl7gPw7PQxsiIYkMbbivoD6f.PkFq4XSQTFB34G1FbMn4ZCUlLEj4AxyzZc2Kfs5wgxyw2rqvLe7_5KX2q.vuy1FYPCAWZ6hYkbzJC",mdrd: "KhaSXFlZLRlS44sVp6tcyFEOQrEBl0XIdLH0rmqiR8Q-1739128997-1.2.1.1-rk_7mRLCkzV2KuZWOwiQ7i_.r_ZQqiui5lrdrYQP.rpqwT1jsyCzQQjzCnzxDRrAfnmchqiFFB7fzB5knKc3d332kxYT9E5DzmCgIPAP.fCgCgCpxtlDPC2_oSzzi8WOtKmRdMQ1y6fjEI5FdxBgPEYhXbFUx6PT_0YQWcrQHiJW2VreaozaNZgtxk8UKk1o_H8zeBeJb.EBm29N3rkPXZlXd53blYqZvxC90thycy49AttYvx7FaL2YpkSeQI10WU2ip5KMU0TR..yJZpDRVyFs3ctiPAb1Iq82XpTPKOEMz7slICdnS0ljQRio78x2FPIRfFYTVJSLwpreab4NuHmdRgy1SouXAk.vKPnHmS3DgCYiNT_We_ec4gVojdEelHbfL8fzqbdx27MTVHM9FdjfWfLQ9oj59VLFGw6AOlMfUek7b82Hrv2l4MF8jQA1vl8NxfvY.qf4oZIF2VG.vNd5RgTGVpoVkaQNPGkZjEd7h5lCnTABbXVGqCarwdgklaCBtwZ_rdWFpUH5XXB_oO7gRwEFySu07ZAuL98Iui2RH2JNCyOOY_CNXpaRDcSYQ44ZPFm04tajzLgNDd7FqtHQVNguUGcEimY4gx1b1JJ1ZkBgGzboCz79jpRPTCGr1RdCaZBAbmiClKWyqdlEMfRP_Yhx2vJXdM04n_GPoGXGOzI3XtTFkGpokl8vOuvgxsg3T_wCCjR4BsUd0kU95DA_rhSnx9Fd.jChHcfdKUSL35SnYnzgQKLhKAxzzyuD_Ui9KsonYQT.6NHWvyFiZeHJhVKTPkQ6_stN_dHm2EoKNQ7ulmpBi2STKz11_Fn8tueme5jf0DOoU9pc1f0qaB9lV99QfVK9cklzCONa5ED8pa1w9xQzYTdyxLs7FLoFiEQfGILoSX54Xk.btQ67Xu0_AGR68KlDX52aiZ8l5ROgKCnQe6WpaVRwT0OdflO6oVNFIG2gJi3Vc1emaulNPrZiRqwjOfp3XVtwqinh9G_s5o0QUoEP_6kUIT7zAhuk1v8hnrhJQ5Sv4P2JSMYWO24UegxY432JUYSSmF53ZRqlm4WT9vcD651IQ96il16omL3f0gMPevvNfa00HYPvdiP_rwxf7S9rB4gRGwWrv8yI5OqX16yDjau7.3flc3rfCTlrc2_JzyvOWQtGjLxRMerRBcBowqC6LaVd5JLvXF6TBP7qHkxLrvxpozTdgFGJdckYFbqRW7yxFf67h4pG3tRJfnLBCPawxxetIQ2ggkmttSqo9ScB_0xDr7oJcd5TBqZtldG61wszm4H9VHugSH2lhQzDNfqUkuHUZkW9.T3IUL_w652d2j72l91rjYiVYFL5s_3QuZDXdyHP6l8mOuNsEzu8Kctif9nRQeIfgze99scsHNX_5MDOldLeOZ8vC5d_MUY_rH96QJBqaeNbxOi11LQAUM775AWTIZ_fYZojrbIo1WcPMZ5mQVNC4cNeQMK2ZQOPd4CG2u4jJJj56C3hSQgV_5GMUp5k3AHoZ3Yt55k4i7WxTrePj7cTI26.mISruDY3CcWhRwbhTR7qdc2mmayufX2VrDQZEJ0W9ZR.smKu46stsXJDVA0L5.UFvdzAFQF02ndLEn89qbfebypRJjegBgpYuQCzn0Lb30PcbyxuKWtdvLc.KQm29Tje_qVtMo4zcxlZCEIONG9vuqQXXgjWGKwk28UCGn5Yp9EfUiTwJQh3_x32JDmd0wRI8.7a5xBkuv5nj8UfJzReH7RXgmjOaHiToNwKD5Vtt2Xr4zsHmJNw_1l.DVxJQ3pUZDiYqUKW8n80Vcgnap7ZkAvABTjdZgCsc.LaVPaFmBY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63babf89f3b59';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\/1968734520?__cf_chl_rt_tk=vaK_.uqP5tOUYIVu59XR2rAkfEU6F7Vde1EuigkEujE-1739128997-1.0.1.1-dRv2QHdnZHyAttXqUzDQnqlAWIWDi7EEqsy8DWIRbhs" + 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