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-901686884347.mit-edu.top/post/3541078629

  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-901686884347.mit-edu.top",cType: 'managed',cRay: '91103cb7b9d31785',cH: 'zPTyYJ5FDcytrCtjskC5BTT07NcYasIPiJX.Ox6Lzr8-1739401670-1.2.1.1-MMHcCWaL_ErvGarEtgble3IVs51dA.c6ZiICc.LiOqUznvGO7FIEYA9X4.5mpAbz',cUPMDTk: "\/post\/3541078629?__cf_chl_tk=c1HnzZ1E3X9oEb.Z3K1AEBbZyGKCMgWL0duUdOZ11CM-1739401670-1.0.1.1-.QX7kGcwGsVt1SsujP6qeMSoJ_Gp42yjkq6zPeB3d78",cFPWv: 'b',cITimeS: '1739401670',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3541078629?__cf_chl_f_tk=c1HnzZ1E3X9oEb.Z3K1AEBbZyGKCMgWL0duUdOZ11CM-1739401670-1.0.1.1-.QX7kGcwGsVt1SsujP6qeMSoJ_Gp42yjkq6zPeB3d78",md: "5nHAxLhACcZ4x0XbCV0.0TJY_NTUcT8Sbv65wlCcPAY-1739401670-1.2.1.1-GELGp7lStTSUfJjxFI.yuqHqnjgql9EmawnqiQNEvkZO.OitpFVpfsoSvETUSG7N8_JhP4Vt_51NbwKw4CCiJmoUSELQZtZXLA0miUlX.4KutTMxlodVjAzrD1gnZIElEqDBaz9rrJhL3U73cLX5D9_GtI4h8QytwA0uuuUcun4Ln6OGk6V81603.nsIQz2Or3JzU57uOqn2FuExEgmrr2BV9lsDzMdJ84EM4w5PtqFzF29RToHlK4rIZKBHsXx0fsjQh00i1UviSPNb5C827nMlfWwWf9ffooLm.OL9.7H5lEMfM3yqL0kBF2GrXtnrXBj6KCoj.1_58UhogQyHLYuIY39xp.qrP4aT0juqKn_L34btwNSk3.W_90bkE7XGzpZmuM2rESnhOK9F8uy8ubGQnwBw7Y3NW5tsf8UabcrzMWzvztSZf2NU_gCHI3MPSWMcaxdM5Lbcu3348FpGABJFhLsPoiMW68_EEy521HRAJ9t5LKL8_JjFhtIWNl926FOAPwkLbbiMM88ttl04HAuzNki8dx72seOG9Yr..7MSnEesP.tS6dBt6kU_aIf2puGGltcKZn7BSPL.ZNIiPXVrMhARqznnC1tklnwE21lXu9kgH9bw3r_Ubh11FeVyQXSWbvnYSMACd6DcxJS9tRhQZ1Tl2r6v_gsi4jFcLYFGkvqRZlQb5yqpcO8ZquuJbb9pi9gnYYWthNIiulZtma_g2tYWcQkuDs.s8NIpYoXzkVfHoangW4BR8wMyJbaJ_Ll30MeySEsYg1GC4reFk08QGd5wJncWKCDZmVUO2m9Du3eGvhyY4.rycWF6nYJva5GUEol_EBztPHUwZeUy560E_ZLB758._t_7dcfefe1.QIqtH3Oj8aQ.b5Fv_OEBGzlTUKRUW7CYdn.ZJGnnNToTbV241sfLIQqdsN.5fuRPEzlCJMjcp5CjWWtKisiXiWAwtZJn7N1aU45TaQv2SYjD72Pvmd1JXtkCqdqhdqM0yOV8OxddhbRKsqTXi0QWHR.UeYqR6cY24i92v5faNyqnNaeR3tD_ZM0d1cu65lG9uwayZg8HMHqdI1sghs1Ljhnt9yJ1sxJ93HDF.N60NgHBsLl1hV36h5zhbKh.BvpsxsDQo6gWQcxzdIRtEHa_Fcdc2d1JZ..4BmtH7oFmlDbbz1tAGiZKvqjjTnPTQXZDdbbT7o2woP9fGnWb8bO5mNtTULNcM8mHr2iyEz_oPMnybUUHzuu5_6ARYaDNo3zjnLmmtIQDKufGNu3wpaA.6sUrewdLa36Gcpkpu9L..H52ee01YfBbnDwJs6jb09W8hD4.52pDp9hcbvA8R8zLjjNjNjBcCU4rShNR6Zp3pxrkOXEDqPX3oqvYe7IgXgXnYdch3873OHpT2_vUTHb6WZ7WiMHfuc9FJd.8IlA_cCE1ETFr0ALRNGA_2W4InWQoPsILI4vnixZvAm37VG_BpKiA.eNYEoT4zY0W.UNKC3IbYF_EcSKnzbWlj5VL6meEeYQORDlia5rKeXIlRYca3narRTJIYY.78SBDq0qRCCxtbblE7a2J.iLih.FHetq_TeL6KkNWJf6ouQV_2CohronG4AiMQQpw1CgO.P6XHRMxptFWxOC1Hen5tEhDCx0sLPm9d.OGnI.BlqSuZEQvLxly5Pt4o_ZPCC0rih3CD4eUq7BvQYUjUb6mvsuVlBBIKBZmVupVVzDl85sV4IPRQTM5z9IJ6xnNw1ocfvZ1yG8M6f8qBxSZvDSj3seS_mG_gxdz_jAGaKHyGISHe12DEl_11AtG8NawEfjoFsCkWxHbiebI7d.kSfftDnu_FXQeRKy6DUUUFutrrg7uP1GfrDzV2w5XoAxmqzYz8dNbAtRzyUBtv95SSxCNPUVKX7ossGYHBNKBpZsRsPvyeIAFpWtV6.IFQsqjI4NsSScVGB4qc6xRyhAniGN3qXegmmjJxN5uFhgTzcr.0XSaocgTJj504NIEwLFYhRTNLQnHNPdXOvHm8gXr57N5OBcn_Mvfr9qVgg53I79u.VW_T_bqAcQmiitolgmgrgbztwcBp9ZYLKVkdlIrBx1I7novjbkaHDKeE1XwP48p4DCR1Gow7UeU8DA6tBgvWsijSjSslNwkDjWFsiqun.lM_zpVm5ozq9DzK6mENrwhQIEskEJLu8eDa_8g7EY.jNsnBGgs10C1ycGQsTfNH4ZMN_HknsYTswoEdlQB7wX4i_EQHiUV",mdrd: "T7qsJ1fOsKyH9e09dvPBGl9PZrxF.ZLf0fYqLYZQqK0-1739401670-1.2.1.1-LK0O_VYVYBWO4u9TxB_JZ1LVULa32DWiy3JJG1D2t0yZWOdqLH1Yl3Z9tvg1P0zD0aDWsW7jjo8V8eu1GfREI12s6y.5SVFfop74kgpz3Kp20NsdmLLcS2GB7doLfOJGNumGLOoZakvaUNiQdjSSG5vvMkN6dOg2H.RywoC0GLA__Zq0otsXbSSNTybq7OAEmU5Dl0KRoUjTlfVpTtpOuq_IRF6diSN1xdjBCdpVw37i0226hecGUFH_6Oozh03m2ZTUWjBmi5oEmiTTFNNoRjWvucx6CbKt1zjnwWVzwlF4c9Z3roxUnwv_.yIlCWUPc7q0jIfRsADGJ93hf4i3hIjPsMFNTscEe_P6dkyjyqXjbE1iJAFOKKpc7tcbAxiXBD_l4Ww7Lo_yxvB8kPfj9lnoG35SBWCwjQCOP.BvHnRAli68hYsaDlldaEhi2HJwMmZQ6DiTJGo9DWupaINVti6l5ZDBRR7weukcEJ4lzMqgA5ujMCt2.UQe84Ln4Rywydh0umI1lKb7_TN6XzLsCtNJZ0v1LXKimNdBbG2PV7Jvdi.LAmYBlneAooEpmnxUA38OHKavAktDLCEYERBDp4zzDNavq28mf4nuVK_ey1gu5fXzFH1QfmEAs3byLaOQQ3YkhEOWigXvYX4JWnlxnaU2rE2ZIa2ZATo3cGqaZMN.XHv9xErw0Bo8FpnftzOKplxK05X88CT3Z0n4wKOAqH4YrSmKJWAf4LLf3wGSRdZyfysqQrAzM99U.PXPjwVOChFnkiQ2JAXPNbITaSTw4kJIvf6BNFbyo3gcIDO7BirrjELRcW29GNFEISnmU0XqQMMK17SURaZ1JzHKtZhwdYPJnlSdZkgz3nk5nhBKrrZvuFqVo5j7KjfRa8xYhhWGDOiGIM3LBlRwKzUwddZQwOVOHXf1yf0BUeeweqQtIoyio9OAobYfPQXTFHUC8AbLsTXI1tSbr.PqJuy4zXIfPQsLBK_3_.O98R5Q9fJvk3b3MWrHxSH1Kl3jzy5GxLUEOjtuoTXIYH_OiOYXtQ_baHgtEycrZUhQOYeOgj5gkc1i6BEuNI9pdxdZ8k0HfMgKRI_cnO8hDSsTx4TwAfo6j091pAW.tcDQ0dxXd5M_1b5yktt3JJB5PQIvZXguJ7A.iMrtnrRHG0mKjwfCGZs_BRMiLyX3O3aLzhQjtMA9Pdhuqoru2f3umb9YzAiDviXsCiiyRIS4OvqCxtqPqq058khMsq0vkhhMc24BRiaPU0c3EwIJ63g6xAwJ_kl4VKqYKADYO2aaMjvMb2hHGPZWarWKBM5H.Im7cvSWq3lBjYgNuSReMgQwf4mEYkzrD9aVSJxXWuNc07KJNSgLCbwrJuiBs21N.PD21BVvoqVUhQK43Cxo0uB8ThZfBdonxgVTEp6K3amN64EEg1Q5V6y7XsCyiIXxpTvvr3eR4vfuhdb650ApcammbbvX5BlB_ZEiZ4Ue.D.hu1xPByuaps0pu.lB1Bo_BXW6ZArEsjDMEC3gS1nXw4E5q0Us0TVR7LQTArGXHCYaJ_BeXJjpe2a5VCmm9PkghtJ0KXFt2LQROkAeXoFsbJkz22aktu4RrBxJ08XhQv_vv_mls4p5eTHYMQgoG1WXQzArtTbcan7ZLrcpdkNXOi_yN_UDwZ43GybdvjGpDhVxdc0lk7GhAgGDib_CM.6DPDKci72c3CfgwLHY_vZc2b6iW_2izEiHntLfdA7g3bm3cMr3mvAnodpzVLSg7xMBtbd8RFcAnE7Z_9xem7kIVKtGR79_x3dgXxh1hROlJRTb4g8sKUvl4ZHQmplSWthO6Ww9YC7wu8kQqYo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103cb7b9d31785';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\/3541078629?__cf_chl_rt_tk=c1HnzZ1E3X9oEb.Z3K1AEBbZyGKCMgWL0duUdOZ11CM-1739401670-1.0.1.1-.QX7kGcwGsVt1SsujP6qeMSoJ_Gp42yjkq6zPeB3d78" + 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