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-affnk46et.mit-edu.top/post/6049285137

  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-affnk46et.mit-edu.top",cType: 'managed',cRay: '910f6a45292b3b12',cH: 'p.P5atI47IVGOa_dkH0Oymqr7sBl4aahTJGRniLS1Lk-1739393050-1.2.1.1-7bNuO3ZUE8td9Cz7mkFHQo1imPJuPYavrf2Qpbc7DVJ3ZA.DJ_n8sWEP5cA9CbCm',cUPMDTk: "\/post\/6049285137?__cf_chl_tk=P55MCKs4sIJSTl3wfNk67MUMziwOrCjZEd51d0pI72I-1739393050-1.0.1.1-3n1noWU8mVGvsbQL1jg9DVJC2OF4pWO5JQK5btsW.Rs",cFPWv: 'b',cITimeS: '1739393050',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6049285137?__cf_chl_f_tk=P55MCKs4sIJSTl3wfNk67MUMziwOrCjZEd51d0pI72I-1739393050-1.0.1.1-3n1noWU8mVGvsbQL1jg9DVJC2OF4pWO5JQK5btsW.Rs",md: "jLiEHaq2JXtyKborLu3k41PvBp1JJJdscazkLNzt6Nc-1739393050-1.2.1.1-qwbgyIn91jNDO8mr7BCVGcdyI2DxEq.FtpTkfotmu7U61F66R8ul7dfSnnJ8WPnxpLdLg1N4EiVG9gyxYvrenDLXT9gLaatVd4AghIJd_dGxSZ613vceQQtUBGFvS4jQUUMfyCS94uasHsvStslZ7eWff48Vfy.12i8HK9bW7LWKsihzOI5c7pScek0esKpdwKHONMWargn_1WefOQoYFy2o4_U5xdw2chkRL3N6s2JZLlGAAYCDX3kvdSXz4ZuNBvkRqA9C9NbVHKGfeTx4sIP_4MJlgKKMIbE1FUnQE9pbGIi32Y4qiodCzSyxas4AvHqRmyQ.gc5tKSpV3WfCwWLBZRAUcDsPTSieg_EdbrGfHntEP81L6UZdRTaNmVf5PQuXoTDmOJmoczYg.3ihtrVvv1DUgBLd0dLisfauE3e8gLuUPl94MENIkmGHrLblngTDAys7jUKoO1i9.ePgicJ38ypEDOZMiLI7jiR2LB5FrR2Vk7liyqZ.2.QSBPz1fXvC.cEKZ9vTWjOVfG_ahOp4Xa_B6b3nowfsgjc3FOFKwLQ2hC9Ym8S2gGZrFtsMyU12mgd8bS6SZxSgOpwGl5fMyH8_SmBuf6hHT3KQA8TcAnRgiT7JDt.g.AgrUKuPt7.9VRqemy_lFgdSHm2b3GLX1ZVPut5.3i4Gs2TYlr38.sSGyLst93dVR_L03At7MxMuyWrqFK8J8c9LSnktyEbzkIre7kknS5y7u2aRCPRVQtEebKdz2V7rnZScQAdn9Kf9uIzu5q7c2DtJEKhImbUqwZuB0diL419Ri1d8tQsLaj3fWyHMKjM9FhwXG3h6y4_rkoJ1_sMmWqjBBft2BeQvcts6AEKx6bOxKf4f2bJuNycK3sPpiO0pTh4MHjJ1tNY1yeEmzdly1RFm8NgsgTRt7IZHL5Z_ZjXaKywFawzelnQ78yQCkh71hspCOCE2VI_1_HpSSBmS.dcZV76odUjq4x1tYhxhTQyRY3_wpibJs0MEb8tbo8ZM13w0avBNmpuVUDd0KgZ9csno326C7KWyYw57TDLO1InNlFcfHDdtE9I2iquZQXBy0T9Ts.DqvX3GJORBL4kambpgAsvgLz4OSOHJOY2jgU7HBXEpmCwZCHNUkZpAJ7Rw9yNRmPZV1cf3NqyDSjdipFLw9lhQUwxIMM95EEEPGC8JOQmZ9vAJSIHUYT5JAZOVbgOuybRHW_A4Uf66KZJFLIq5.UgmYojqF.9mD5NFrBG_smUP_u5hve4BO04xMziodBt17qMmzPsq_PiGmozHt7F8Sps3_mH0F17_1tqrS3_K24f1rDSo2ll.VatoWCOJd6TltjxpEjwup2Iez3hcYLbni0Ir40glvWmUHWVJ.uJ0tCwuNjt2sAuVQOVATsswaHXFLxFvh2bcUBHhpE6wCIJxYzKRoHDjzeW60qZDgGv8KRMjup.1Gg0SJzqFAKdUiA4jIqQJurezodd0AqlZh8OLaxjWPd365zTPWs3RVX1O6yrGfuqYBjBnxZWCVLNWhehGZG_uJNmu1OgJ2lESX0EBoiAnb3lT4PtT5tPHRk2OsXuWArxfZqJmgCyNnwmXJLChl8tTAG5LRDET0fLNmq7fl6MZBKQsytuoVd2Ki8asrjOpX0qc6HvH3wKhfkTFFdwO6s4KpRA7ZbZDUB47RluONtahyV0roIEzZLFpzTY5Z_P3RnfKH9SOUNkOjUmzu_NifZ79X7qCLRWz8Pj3MDiDzde93KtG_8M0XWUAmGYovlPSHSWgi1L83OSSlTmHvmBx4GujFgjlffEYhVUnh.97IMoJyR891VztXauU4xDJucySQ1MsFH3ZkIl3N.EB8F_TxznbRKlhbn.fNwa0Tx7NGBVTDoF3.Ib64hN3.5zDGUj8bUnCaa1S0vtkLbttuu4URmmAbo3kLiuEqHxFV.XSSvxDELIZaBuSzhuIpGJ6Q0d.7.2XxdNv4iP8EbnBXxlgUhMw84FZhBHwy0tyx7TFBjQTbJrczF9nygVG8Ntq3yDIc.eUOZ02XAkYTkQSp1FO8z.RysBWDkd_DDVogviUaFEJrNiJMbS9noCMbLTV7afXlSGvU4slQiGT509Ow3OUW0iT0oQp_mIZptT0ga8tVNhPY3zjLQJ21Q.mlHL0L_gyo8I2l_99YXI0llLsz_qflsmrak72b7RwWXPW4Qef1MopGOj_eslXc.8A1vF6qVTCX7aocV_XG2.lCNDSMcGY8o7g",mdrd: "FQIx1xnCJ0WaeR5dC0.lcn2H2lDJuxTV2OrGDBHXs9Y-1739393050-1.2.1.1-bZVvIv.sgpuoWYlSSwPz8BKLqH_Im7varFqvokiNlCoNJYhrg81OHMe3y1sdIQmtMhGUgAWUHq1I4G4zw5BSDw9WrUHWo0jbaL9o147l7hKbV2En.ZB06n7dat5X5SCvm6wEcfilglVRexIvbgxrhzMZmY6oAMz7o4MNqzu9379Yp_wD2JVaQ48suor52mQAoA5dJkgc.J4V4L6XUkgware.2GIpK_rDIhYtteGQ2S4d9U9Rqm2bw9F4mNgyTzA_W_Oav4SMKK1QH6D9boMgsWz5CuP.r3fSyGL2AbYqE0d5_Yvuv6RKDhcgmPRn.kE45n0rZ0_aA42zUBfAJJ.vk74B6L4T21fOV8NIfJax25Jj71YZCJpkmBy_ZvUd9yxXtACD158s50gl6lWalIYnkFOszBJ7Pc3BZhz5XoIS8_vCOs58p1RGsvOZLmN4K_EswbwBBE0UTD1CSPynD4GQOQxd10gG0lNY1JmKK8PJ.9N.S_w0AP.Jbryd82bhsyDQ2ZIglGrbPEJZ9eL7hau5ABmwrjAB09Tug0rOwjVy5UTccPxYFxm5iIKjrKsj59AE_ZD0exiZ1.gwjyDflExQ9s8lD03RygDAu8v5iLB1tf3Zl5TmHIshESCw0g6palza.uZeyi.leXBJjgTQLp3IzZKzirMLdGq4.TIQtuHtWKs8v4Bu3P5H4tl32hmalKwPTUma_5giXxoiyaBAHGyzf1UqrlpeGR.MHw67CfCNJqwbxK14Cljpzc0Pvw5dghfAGX3Znc_pvmobBxX5Y4h8m7z2mIbJm8D2rfvUwm9s0xjRX_JHfmS0yR5ieAGTCcmMEnLsunY3LmIY5G9pN1y5rA8tDX0sxCIXbePUR_Q4uQvcBegtKAqKDXDSXrhUzSI14sP5LdAsQwvfP_JOjZQZidntEGvUgFKveS_ewUOjHtlKmWjOBiLx5Sqcd88aaKbs9K44AWyK3RIlKavsbe5dn73lKcsYJ821T58Js6TSDaUYo_TD8NNn7wyn6EAkPI5pprp1PadTjOUycZz7Uks51mwTuE5I4g2ESVULo7CfA4j_DV0uujqN5Tok6cfQVWm0N5S90iJPzDAG2ew932YbfudnPgFfx3MLK_tXo9mO1DRjIY_dJa8GB54YUEekNd.HcBrrEtY7ozKgP9JdRSz5SEN.2IlQn2hlsRJSXpGFzZaZnzxS6zwNLxqaImEMmOKB3axjk_cI7dggUSOIz3g9NGyqsPV.Xrztb8Wdbx6dF_d1KQL7AAsHOoHcCfMnSGtcHYM.VaH.XKN0pFuU65frn4rtekbTe1w4jPjQ_WA1shsc9P908RWIy9Yqu1kRGL9457uXHsB7rz8VS4K_u4.g1Sw5.RWAnSVhESsI.7p9JqQmkuElaH9vgzQghdMlxb_TFNE_5sztamq0LRHtGMDLy1mDA18Z7uo3JeItgzaZomdaAcR3U8wIoox78RQOC99HBGaDZs.75RDf2wuwMjQNkTloKHZoJC8SMxloDAGhIwCkswwYuJxYzB8_oe1YfYacgSMqAGBrzTvESxLrqhAdzR5_DuuLtD8_UxDEq3MkRH0yAqtRyAsE8h1elg9WKacrEiYwk8r2hv3FaH7h9MN5sLs77z0HTKv8Upbozg2JJNSSJJpQNPOb6eLfviMCloKiHWbmSMeWIK2sSlrOfbzJvqTiFqZ3KUlLfVlbOTjHdUFpgrUEz8y2R8v1F5hgU6zGBhtcxlk798a6b7LbXdOPjxF_gr9wFiCY8J5RDm1CgqvzLTRwLluW5OVf2bTt0hSI5dxA3Oybx0d6SJYh.ddCCg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6a45292b3b12';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\/6049285137?__cf_chl_rt_tk=P55MCKs4sIJSTl3wfNk67MUMziwOrCjZEd51d0pI72I-1739393050-1.0.1.1-3n1noWU8mVGvsbQL1jg9DVJC2OF4pWO5JQK5btsW.Rs" + 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