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-474201630841.mit-edu.top/post/5284061793

  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-474201630841.mit-edu.top",cType: 'managed',cRay: '911053ce88079c5e',cH: 'v5Z4tJ960ZBG.Vov1.pw.i25mYxX.7upyvkhbLL_Pt0-1739402616-1.2.1.1-4n7TLcL4Y.BB.OSCUwtmEYxdBwcMn2yZ1dFs.OMAKHaWKKK8xiLdIuTY2NUB0n08',cUPMDTk: "\/post\/5284061793?__cf_chl_tk=Um8Ed5QBIgrpFb7px6MuxVjX6tkbfuO3yyAa7v1a55M-1739402616-1.0.1.1-FR4QbRW6_mIZaq0daSB5YbcCGj5MCzKDkJ6RastmmNw",cFPWv: 'b',cITimeS: '1739402616',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5284061793?__cf_chl_f_tk=Um8Ed5QBIgrpFb7px6MuxVjX6tkbfuO3yyAa7v1a55M-1739402616-1.0.1.1-FR4QbRW6_mIZaq0daSB5YbcCGj5MCzKDkJ6RastmmNw",md: "bCCPfTO_vkX4UHjNEnjwwTp_h3YYeM_7Q.JcuVOKoq0-1739402616-1.2.1.1-.yKDugvxFVc8DRKVAnt.0JOOSlm5kyc6QQNHAZPk843SsCqCUoH3bY8RqTxVJ7GETJ90gEuwfP6s00J6QLMPET1jubCEAOrx1AFnlMkbucwQ8BP3ViOW8YK9rfKtJGca5TW9cZHaaiMlTbh43kzkxM_twu6I4czwHlz6_sKvWNht5j9T98Jo3ZcNBdq4K_68EcHlHp_RtX8Tkr0et4eXZ7IVttm4xLrh6ktTFXvv9nUa1JXauSLLWfqPkloBTQR_N3nscanfet.4bDBCtn6mKhVHQ_evDXRZrGYp790PSMKkch9ee_CRCXPiyKZKC.OvnBFY.1VBRbaAmpcGxrYD3_veoLDFaYtCithXGG0C6eVLZH8I6HQYM09I_ZvDE7_SemmsNS1IdXg9uZf7qtm0BIF4PLyVZrQ5CkQqgz7OQR3E1E.xmDht1Zg2T_z1iCNvbcFGoW5s5juBP2c95AuOoC7i9KV.pXKrg2nET7byBY4viusGIgNypNxNbb0xwwBLJSFfG2bV1ZflpPPg3aseQK.KblNG4dCR0yhof_MhbUp_QizTyrihsj7JkPsMD8rUqz39wsT1mIOf4mNkPWy8kIpH4i3Z_gk91.AkheTSwKGk9bxQDcD9zbi4vpXY.2_4ntL9DBG5eBR3PFGbXVzqnIktCp.ymuyTfYzU1KocSVOtpYHejlz48j_s80KvAiJpbXBQDOFaG16SGXKN3jmq5U8UiyfI6e2swHMeS.iDIKeoQ3vjxcaYilFVRG5OWWCmrJWO2ZTDb_NKDvg8thTlQAy0g0bd8y0bRl3tcNMpe8J1OTa1n3LNZycQFHPs811_3ntke1zqRtWp2xMra9VDhrKSq9oVK6yyOmU3nYBMoN8ipDtGQanugPwDaTVO_bKDodfxhCyvf_WCOg8DH7e0ivJpg_P1NPz2YdGfsq9G76Fzhu56Lut_t.sXtnlP6vJ524k4_iWNty1GOWLnGaVjPzuoicwRpY8bTMbDTeHIuH2XeCNiAfwIWsK0UP5o70jzMO0jOioO_n3R45RHJBOpYTC4Lg8yUEGl4UL3EtZeuaYlEfCQM9UeKKJYP04XZuGm6Y8NXG7.2ofnWzul_W4NdmOrq3AfbhAK.KWoZYkNBplbRC1McTSGLVA76RcfLN2MH2x_0wFpZycCH_xWpFu1_08OwPkxZLdvQVSsK6GxRTx6SKd9kSZcKcO5qszZj2WacT0M1m1kaIrGRI9IhgBiL9PEu9PBcZz5O6ImVOC529knk0Eif4CCwlabg6SpdaLWVPMCFnSUxsPtJKbLv8YDBzX4dZz8XaU1PE6NViM0CjziCKD5m0g39POMLTaFiqssZtwBolN0tFddrmbbnINc1T0oytcGU5oiVlImR8VfoXHrOUwMjTF28JgaoLfQGjYo2LKrlaMbOe_LCIwP2czZfs7R1ErrTETAIuBQjqiIzfyWAp2dMcQp4Jn3Ychb0dSNhx5r2r.OvXLqR03vJwHYpojhpwNSW8xMQfpuooskaBaDMJ.ypF7GY1VbJ0MtF_DjsvzeIJFzhVlFyTWLWmr2iSMtgmvHa71JtPAisJnPORujkcauB_Q33RdhNU9aQsGKvSLfa5sfR5r.LQ0tlQv3n8RV_g3s5asij2TdH_8mUXBS0yQZVJ36LBLOBaF_lIbfxRtTv72hrMvQvYkyBJoeIX0v2OrG3P791PB0ICRQ.OCxV97JxW4MojSndgb7BMGVJwRczfD8bD86EFQ_c0m9fLUx6_XskD6QxKBTaIJ5KV1.XMKElJpbsSSXEEwR9rRbCyRhWHdnweYqHOsg9zJtfgsoW2dpNc41tkbLXkgLri8LLhsRx1E7I14qmFsmEtoiz0UFTCo9tvGNT3XM.s2KDpbyEzwGLEFLcAh.f4XQEAcPZGLh9fOggP3lK2NLexy02LBaEZ8QFyBm6hX3U_70HA9ddu_9wJhVEZj1ASlap1M.qDHkWlQMF_TZ6e0RbE1XiDmyNPf2W6yVKnh2faJdnXlo37VcNwss5yhuN8JtmFr.KLFauyAcDS.yyaV6fbs128.AMAm4sfnlXtrmOAYVQ0YQK7coHOUzZesEWCc8Huyoz8mTss8bnSN7OOfrWRkpTBHg5hW_uou6H9sxNgNhqRHpdtoSafNK82srSaKMjIweoxgDJHyUu8IG.tB5Gq4yf.v6ccs9stqEUPXvyT0G.ndsktwxOLI72ufVL0_FUQ44gCWrNQ0j_7N_t8fflsn7",mdrd: "oDXBubDkGGAldhTZ8bpLbUrfL4uh5yoZqHO6uPU30fc-1739402616-1.2.1.1-_t5L7r65WEWCz0cRDnsZh.4DU8n8XE679gMPGe9Mqv2ZyvDRAW.NijXckBw18vqG3qlBda7i3b8nx3vaGDfjnuKs4d_x6L5SO7jncLn_Cr_9G_shZbJ1wRqRhZLIQSr80_eFnLWrg1CzBl5xfwzxIp0IgV0wJ0eFx5cApeoeUXpVV_5i5KBewTdUFd7eD5p4z.gdkwm2JGasT5sR0PlbQdwGvMozSR5oGus6B1mCZQ.t4vtRGgCb5j4xaCBTnHpzbJIYVtqkNC8gFx3DrwxirCqGKyp9OAKiePubNDPnkfy0u.LIP0cs6OhDnbgfyzLR9NrMBWA10deNQ6jj9F9TmxQV8mwXFGKV1o72Q218Sb_pDwpETv9Ziu4_Y_JGPyRF1kVLSHU4WrJ_ipSDcoB9H_D_o72ZVG2fi8gel2Nrg52STVLct6p.KDxEBL6_Bs_xT2YNs.bp3dYtDNhRNAELeBNLj_lof2E_E1mRPv2ibo4BqsZwA.A3.HotmE3avFCG198OgzCUIvKe87iSucVcDa8mtDDdkZdoidKyDk2wKaxjGCGuTdcBWa.Fj1fzYogTY8k80eHscVkrryxGkaF_ZsRc5SGeQaswbyYuuC.K5ZXpxMx3tygsPZMLwt.rDk.wXlkBLmGATIEt4jkj5.Ao6MwaRLL8xUr2EO4rGkrf9MfuEI.qu.q6hUW9HwlJw6ORC5FTW3pv5EX4spdoNNkX5FrmAuGc2UbPRBPE22kHr8rCui2b47j7_oHB2bm1ylATOa9oUwuNiBvT.MYgRHlaFrsSN7Z3L9NilyH2xLDxWPHJpG6iYJy3XtArTODmqvMr7qk2yfM3LPt2CKW5BjtpuPCdgC_enJVDKk9YE_0jBRdmDXDpdqKPSB8tiPwmWhT.N5DlzjBxNs6b17IS4QRC4XAmCC0M5ZvjfZClpSGjovjoZbfZab7MvHCvpMA4e26eCcxsPcbnaue9aMrvJvJLk9TZ6T1qEcrQo6DiFPp0oRuP2spGpt.DnkdU8JUSVD8QMsYVO8mWCY_LXuQ0S_jU7e4BtWfF5wd7ZkIzZrQaTuFUks1axZrV3P1S2rmfDCZQUi0tnBd9TOMna0xSzhF6i7ervti8z0uzjemBh2tVEHt57wkeMbfciFoef6oLKXnr7I6ROI.83Im.Mkj5YuoENqoP9ijGCdQX0mOemgalSUJAUQLeSBOFtO34inDoOc072ISicFSpK57c5UJFbaR1m2Y.lN4MxEaLPDS_r8qcPyFFoW9sacorvdH5JiD_oQCgp8f3YX5nE.9Wx7MK6ByEv4aWrnJG3klReXlAM8EdSa4WhfC9sIgC_RHWUsKYIdRt7Gykh6BjKkLpG5O6vEfH_AUhAsBSb9sfM5bzdU3T3lKMI.rQhoqirEZCC2.gbL7risB.i7FA.OOoPf2gj20.Wp.vCa1rOqMZeOnxCH7ipQNvHpDAQvqzLPQMR7xufqboGxGWiW8IXoMheAc_LNYBgfJayrXAIzZVokFxeb1AJlM6Hv4AFdbKWXRGhjM2pJEKtEWLsZhuiQIINbmOwc1PIvqpk3aKZ7hlEb5XGwjdgCT9M.iLyiScS4Tn8RsM7YUSZv7Ku6OAKQiqbn8Tyes6A93bSFhCvZSKs9D0g3ayTnIX1ogjXDJezFAz26I8TdP5jji9BCjME0Wq1YD77MopAP8MiEGBFQ.84m4QE6oAknHNHaMrAvMDLLn9CiPfDumEPd8IJI8IGGOujdzIicGwIIcFVDZn3IdwwgkIhlQ5LXYwkl35tA0TbO8fBu6CHQKoj980kkUfRDgnofWggoUpKVyjuVjakBzdzy.pgKNZGjx5JbLf4z.SUUJQ4_LZ8xpH"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911053ce88079c5e';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\/5284061793?__cf_chl_rt_tk=Um8Ed5QBIgrpFb7px6MuxVjX6tkbfuO3yyAa7v1a55M-1739402616-1.0.1.1-FR4QbRW6_mIZaq0daSB5YbcCGj5MCzKDkJ6RastmmNw" + 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