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-891023423062.mit-edu.top/post/6473529810

  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="360"></head><body><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-891023423062.mit-edu.top",cType: 'managed',cRay: '94b8b288db59e5f3',cH: 'rlkUaKBouNLkZsx.TqSP8FZb2cMOkdyjGLjWnqBd26E-1749221167-1.2.1.1-WfuPimiOTqm6qb09MLiM.EDzH48toVbp8C.rRs5u6heaTkymqJlkmmLIjDlJ0uGI',cUPMDTk: "\/post\/6473529810?__cf_chl_tk=p.Ui8ZrSRw7uGalDyMIsiP8S60fmBItZJxArc.vcflQ-1749221167-1.0.1.1-B2D_hLXb0olkUQW7Cu9DrMOx30E0uBbQTbepdiiKoMs",cFPWv: 'g',cITimeS: '1749221167',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6473529810?__cf_chl_f_tk=p.Ui8ZrSRw7uGalDyMIsiP8S60fmBItZJxArc.vcflQ-1749221167-1.0.1.1-B2D_hLXb0olkUQW7Cu9DrMOx30E0uBbQTbepdiiKoMs",md: ".UmL05NbYv3DKhwSKGIZ3b5_Mq6zMFzpdeYARySd7i4-1749221167-1.2.1.1-L5QlIA2X9JWjCd6g0tJdL92K1ZMH59QXbmFcojfDvATA4TzY_bI6q2_QA.juOnymE22Ow2xuHIJ5I6EUcfjBw9B94XeNngXderdWv.sOdA_GLQz1jA8nuIgsQjwzNghxTGzWh_8mhDp60UMaG4iXZARmxnV6qPXhhtnFRtD4Hh0ENoVA0w4Um7ed1kkpUYOkLa1s6cuEcKGSkng1sg6w6NJyr7TfC8CKi4h9sOHO_dRdinC9d5.RaidOiJ6vI3Q25gpzu3RuIaXuMZR5zJdQ.Q.J_OBFcYPXXc4hLks3hOMa3zNvtAYRzMwsc5EA0SzMV4cNLijyvbEzf2iBFWIzs9XYm8B9R5WQeCHCQnWvdgETnBgx.OQdMkGlSDNAEziPBf1WAwSao2nV8L1CjMsS6IMfd2U03dgdMLUHali2cRX9G3TufWJSELsx2u7Nw_j5At6kvQefuwZ7.iqtebeVtxYsJBRC1yBZclGG6laW2Vs9BlnJkqfTjWNpZWOQTApRFN7_2zPCyqdYuUBxFP8.QWolZ21_xhb3lrR6z9GKp_Y1DmHUYBJAcZVFo1g4.3bTDJyrlutMZXNQpYoT5ZMC6EHRBatL3GxTBtsQTg1bbCteevUVpQIzxV.lSSrYS8FQzoPGAB4rhfuAn5SuXj0_qAfbYQVMyos.p2Rygcaes.pri7MRT2p1WY8kH67ViOE_8Vp1Gszpnqa.hULJYb7ghXvVWAQuKVef2o9U0tQEgtsC2z4KETkAxiGzkM8xVEEOKKpZlvXrOjrgFHf.PclU3biLmSStcLOnzXQrKP0PzaYnHqTNRCtxZoV8TUOD1Bd9PnZeZLwGJVyttgllnsAbvw",mdrd: "8gubzPgYQCXOqjbAQ.ndVo0F3IxjzAGW9D5akQBHeng-1749221167-1.2.1.1-uQ2fc.7Wk8TAO7jIdyi3ESxnEFBML.dcfvMlV.N52sEf_yilAMyI6EU8loLGR0fn_HXCeUK_BAXfO2xigPOMynpGl8FLOJsH7pHD4iMlVtHwF6a1v_i1kSVQ0tZ5_9xhsAofx0wr.9m2nCsOE4kfBrk2Xw4B1rtammG2ykpHDJ83KDXb_lbDZ9U90XuGhoMU7ejx_XTrqu8hAQEg9p4YSvxegI2kVw.mOsf79fhzKGbZF.42oBBvRHdMcUhzZzK8RMSpemVpwlsf.9NCdQfFumIDtLjA0y0xztFWYt_EyBo4NareSCv5nTJcPvBN6Urik.ktdjDj7vymmKHBEc23tNEY4O0yLmoTOcXyNmYo3hqYThBU2Fedial6LBqtBBKuQOeP39ClI0HBvlcvic5yu_yPtxLr_IYjP.bv_KkDc76B3lg6GRCw.wjNSRlJnEKFR2.y3MZCwcFIvTBTG3hFNt_V5utVHAq9sDQsUMpMhDLT7rJnuikPASwnljh0PHrfflyhhcas8ijBExbNuf19vx70VmjNch6MT.eYjazWJbi.2WxgRVAf9.c9T1MfNf8FQNzwN3Wr2oexoe6fL_aJ_4Nk9nnZsXEfDw4l0jbByN06NdX71t2JQ7rD0sqkW_m5v7IVf6Sm.KKlrxh1f0oWRP00OZ7jCRSFz60cb5xd7..amN.HTuCR5TyGr8gPeH2fXMd9cCXwSg_Ua65JWv0BwxGNMfiSzRBdyWTGGDCaQTEoZKJrxJKv..MBoUbBWGeAlpapbaFBOYlZl7AJPlxlVIes_MJk58axV70dFOufSOiuNnhbFKzfM4kk1JPPH2lfqca8ttYJERGqqrEBH3JBpzm6I0zhwT4yAcTDRST06YLsR_5Bj6HoAFRbPiHj4vhJveopeVC4LLslUQnXqule7PkY5.zfpdAj.26CqLhcjMObfKfLt3vuQa9VIuljR4EIioFPyA0n0pCwzp133vLr8Mmz_vMjMk.C7b4TUyUfp9m1ZUc4qIKsP1jW3HqHBiYkEp_H3mgl_hMaz.b5RP_kdQI9GOf9PlWWnXXTttGcNwMYbJMWkBM39IyQAVFaOf4KfBB4wGzwujsnpc9mwC5of6vtyLIBjCMmzE0ll51QIlXB5FXwcNcMTzGUGC5Gt0jq7MyeEPmxhEQZ0uYMuA3Uog_AwoNTA0Pb61DCkkNGe9DzFTGiOv1dPFTRGek61v.ERNrJwKJ3pPEGNn4V0lh3de46kBsMropE3Dst4JCQk3k4EaHN2Qtq.hrhhhl4JRa3J0j6fhNdBzu5N858qj462WkTjjOH7wK4QlgyOhVCwqtkQB28J1myuticNNUZGvqAoCW93RcAP7Fi8prLaS868HJi7jVrwFVxIIE5cXk8Hel3yooCodtoJL3IBaNA8IY6R2pDNC9DXMy7b69_JV5Q2KwFTtS5QI3XvLSWhEmRvcJjRdM25kokfqIdO_Ch82jLBWF158vJ.W6fwK31hyp64hzMe3prNfgKCW_ObU7wJV34nyCRzNImde5s_SQWjS3TCEBYtFMGrxV.RHzj8Bc0BuEC6MFXDat_XgQH8x5qFTT7RN3u50j2tDlKEoUN5zNzazHeeT3ub_SJWqlca2cnkYVvLYLde7jZbqoc8meA525B3sjqpFm3IAfaw0XJf5hLCSBeLGwq7Lf0aDAsdYby.YZRxlNlIso04KlgyFBAssPpA8vlbvvpXWxsWX8KwOvKwDPE79Da62HnwWeV.HGwst8lqHu_SIeiF.M.4VAzazCQQRjmIogcusxNfUmpPm.fZvlXORtcKQoz7OQ4DOX_e56m1go.FLEL6m3Nu3DlIdfDvatqfVkT18F961v6AKad0Mz.SQ6zxfJRVTIJ2shuiTdb7tzEfZDD9nta9IJPKvRFuGuMeNalEty3rgqudOor"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b8b288db59e5f3';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\/6473529810?__cf_chl_rt_tk=p.Ui8ZrSRw7uGalDyMIsiP8S60fmBItZJxArc.vcflQ-1749221167-1.0.1.1-B2D_hLXb0olkUQW7Cu9DrMOx30E0uBbQTbepdiiKoMs" + 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