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-156442845601.mit-edu.top/post/6358072419

  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-156442845601.mit-edu.top",cType: 'managed',cRay: '90faf5351f5cd6cc',cH: '27yI5fwMrE.w2vMFQt53Abz1dgXFbDtPefA8RRD_20Y-1739178540-1.2.1.1-XTyezL1BD5WrLkl66AzWlOQi.OWVzdxSOyVHajeXNKaF6hhFCsQ0bY6NcTG_Ac6y',cUPMDTk: "\/post\/6358072419?__cf_chl_tk=MhMP0UM30eNO1uiKA.ADqPfMKkXsbaIVGAEa2h79J2A-1739178540-1.0.1.1-Kr9KWeErUPbSEupSxP48KTfzmZdYJC8HwBwBg170e7E",cFPWv: 'g',cITimeS: '1739178540',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6358072419?__cf_chl_f_tk=MhMP0UM30eNO1uiKA.ADqPfMKkXsbaIVGAEa2h79J2A-1739178540-1.0.1.1-Kr9KWeErUPbSEupSxP48KTfzmZdYJC8HwBwBg170e7E",md: "0Ay8OD9s8NCUR2t1L2v776ovM_BmW7.TpM1wfN_qPPk-1739178540-1.2.1.1-S4QpJJtYcrulUf8Oo8jMxvbf6P81xjLBghCA2nA_XuXs3G47EIF_U4MiCLx9iDoxYMRVRA1JYUNsyvqZvS2PtJEpwaR8S04.2k8zE.Wv.2AlG8E4uPCSCzwHp1In_2hDX38464yULuxM9xwacZjm1SejR6BIQjVPZVPLgiDng6KujSe6OjsQd7mSp14F_MPryUrkHAyWKOt76MavmS8DVEthOoSLynUxeJ41urFxhMrkXyvC5PmHtkh_Vxyn8YN36Lr0F..JFeBZv.zFBXpkvWkLQe1b48Ipp_57TcWIR9dmEQulGgDjBgnY6xuJo1j8UV0mXkToBqn55WZWPzB3ToeComCjwL579iiQxHeof17wQ2ebh.kDm65zAH1EDGN0LW8D0E2hmB783ye7vuKdJOtGUgW9VP05j1yAPXw8BxVsXOAy5wC5Pf7uSsfU26fIKGQZ.UxHkSdz8aCYkEIT8blCVeqTIkn.k9Ub0MsWhKnEeamKNHnWjt0aLaHo73GLGihmp253RbRuZr53AlOs3Rpiy5xSPPcl1KeGkkydOydclXa3CYkJU4Y2OgJ6qZ_UaOCwkvZoHKdLp2cpQNjY.pfiMyeONcS0AYTZepHyihRRVbbllMJjeyPvszEpPAZ0vlz_LD9lLNPZVc1mWSbN5tmURAZuzqRRKzbtdOcUGOHozEXD2ZmZW3vIxiToTVM_mzaF2e3psz1kvAkeZhqCsHR6xHuawrdJCpWGaMKVIJWqHQsxst2YxIbdMrVUHhza8uRi4dzjLYbwQ4JRB9VoHe8MBk.DJgoBJimieJ6c6RjAzYMnRbDfrIu3jRjN0TLYzmCN0evG52c30zOxK.meLTDCyipUhw2h.RaP.UqoM5Srk1ybgUzKwHPnuBCcGVJJoZqdGWjTkDJRsnHxwE_GC8XQ4YZmEHR4nJyQPQPhFGJlgAfXEQFSfN3Oy8QXFVBWQ5hyUPIgxgXAtqMzIygp_KJ_RssGpw88ORpx4MLIoHRBK.U4ZszSmQI9yeAYML7a1jjwRoc4MVK5cQS5u67iffEyNCCjhhSQu4C89xJRc0m8rpzj_f1V3MN.vwH9DEiCxa6RNP_KIW0Ko7Sigh7v70F79p5s5lkZyZWOWj3a_MEfxUZZL1WtSNlVE_CnwFDYPFpnHmKDT0io7BmxLhAAyuYhoNxXcomIiJgcpG_oQSrIvqaXQf19VykK1Gfs6pibzfnGw68YNMK_fz4VtMG.qwzU.UcVIw60riCQ4cXxiy_3mBZ5Ihev6l119xPQdUVFhTD18mbVToTdTMifo6.l.rvkN_J5s6q9OXp14GPs_s91Jd28IJWjk1fVPRTjuAVysTUVWyeUEHbr7Ll0KQzY1JhNroRhJTWr_zgjAS.jFnDcJQeRfkTJSIf6VRc8vAnNl1tZcZ9GT71IodGyENJ8j6Jz6OjmV2wyVZhnF4fUyoJR3_8i4EQrYiPCxewPkuqkPdqyBkVkuAtS24uKVarc0p1Tf8RVn1MRLrKnnSNUSnHcj57PmTz87jKoAq9rMbpmj9TvB.mWdAnHnHyUQM01BVjdnBUuHCRHc0AG9d0qZrh1grrjjM8P.19c7kIaRnkMrjIxSQm5TKin2Ex0R0ECeEPPtfR3ZRFSpyeA8lCbR95BJSvQ45UCj5ia1IDJ9q9ePENBLaRClZ4JSjZ8LWn6BW2QPdzbQpF8efKXdkTdsjLxe892Ailz2wDc4QgIwYFCR_wKloLiEzRq0iIeEo68sdpiTFYJRdYeMSK0VMSdXXWUGbY6.UsJVPAE2FJ9.dJzwLmilgTUaJQPKwNvQhcncpTk8f2TG.TLhOB_m4StwQ2K.jkhlg5uodB8Vn.6Mb9GsZ3IhdKoXYzux90DII2ooWVEPT17yToeNlT9T3ZKl5XH8uQOgEA8xc2gGsNZrwMrxGBYPEO32tSwdteu.8a_08IpxWelXLX9ph80P_aUf7CSlrX7JM03ZrLqGEYpRfEXBrG8Ipl9teqbd70gExDC2ZqluS3R2Un98F6aopNZfyKxQKTcLWBqYn5mKxtexcXfB8rWcZgMEXDuQwUTYbUzFNOC49_NRHu3fqiUwigwCakA5Eaz17qj2jlPqHSLoyq8RVRnhZgXg7PJRqg9qEFgdhdZti51_YJTXa.BuoD_hGgTa1IQg6py.rz5unHaLdPZiadjMWEExIog1LiFxN3LywRzJB8Ir9OElvHv_DDzliTkq6Db9CZMPp.Mu9rU5dBS",mdrd: "slbgjifc0.nkb2tZomd7Pt9ECd08RbJHMnrD9CxIuco-1739178540-1.2.1.1-nH_IiyC7FswGWBhZiDmBVL6JD71omN1FvmWkjrf7UzlsRnUKWmSNMOLwyRucOUcE6ShXmdE9LAN5bgmxSyYQWVEcfSfTqQloU547CoE76YXyyE3fDFJHtYulA5m9YQ2MayoBNLl0zEdtDwSzui9pvH.VWZN52GLx20i9ZK40Li_7.D4Yw4LwO72RNZtVUKRplLIhgJVdnnhmsu0uSsPXZrarKyb.cLr7ZYlyxmMzMF9P4J8KB3aAWhT8JyWfJ08Hcnmy0xw1ZrFVKwfmIpQIUEtWyAGGgmWReuGFggPp_5MR9n9qrjS5q_hsU56pBse5OOvBU3T9MXVj2dh69Z.MEr2OohoSEHJjPo55PX2H3UyY2lU6i86QcRIlUnBqnQKSJjQkj2OogjPBTmS.iiBgkoH9liPiNnT3QdslL3fswMNrPXIonR4JOUaWITfPDaJCOkZxOqEcWbXpqJ9nRxIDZatw2t7wORYv9hMr6h9HNPsCAwvR5AUEkXv2bn0ZWUsDArpb8ABo0iRFcQ9H2Iao0OKSjPuzLXeqxolNxJRAJQ2I9ys8OcghZi3hlwkRUw17BJITcp0D3PV7tBi7ZwCZF3Wc_cPlWkiyV0ZMkEhiIm8jv53pWqbgc9FU68gDJGU2K_M3CCviCayOODELGCtNEhwDpuHy1MLHH8xaE4mST7XuR.IPBVi1yCHtv5lA4miKslQa_cZ7Uk5OPWpAA9.jHlNDkCJZ2wgBtI3Bwzr4iMflvBcLyEhMRzdFaYrLdFF8zhEGGWrIIlTEoP9giWJc3Drvux_ug_e8edgA.USOJZZNKqqOJhQktYXM0C0cx5e85F7zRnH0tWAJJ1DirqZekUl3zTsUy22H.EOT46ydD41DJqLgOvC6t3bieMmcETE61vSbP3L8qwskzFseS7V4sNFJrbYzp3KYdHQWBYMl1ihQoUs.A41KcQJKCDbWrqCbGHeZk79bSpW9mHt30gyWQNAXjY5tXQvUEoA1vw7VARCx2t6xbxqlVmBAr3fousMDkogX6VnwqDcQ1pUQ9tfFi4fSXDexmtlPpuPCqKrYsAizW5TzatNAi3GYQVLWDPdwCXsvRjsP4XPvdZ4prV6luMhHStXihriTvJOJDbWBRDmCOxinfF.A8thST.Iei2yn2_OrteoOw9xFdlmCzKsyXXgZZdAW939HdORk8hQGeeeoxoyR3LMlx4v4UC2uPXQdbyHj1qwjNt8GeZzp7ZclmcaVDYEkgVwHBJTy2ZCJkbmkOjIhrDoRaLRAm9bM8jO_0TYly6uNttMS8if_c4mtrHeVCUQH7mUcSz4UPi89LDo..ZP7jQrAyuZu8b2ZVOx3C_hMw9U4.SnQII0T3qpaomNoYbSfwAoRl_4vbQkVK1VOjAuhAuk4LSohMnaZxPQ7X4FUxZ.oQnRed5I8yMFgexdB85X4IdsCqElBnByGEqQdER4V1gRXwt0tNAECZwbb7rVAr0u7ZR.H484pdmZJGayoRDHigudnEOKhASbCDjHLzVU5tZWX6vOfjpltdPkHeMK1AuX5h9jfFghM95JMAGBY.Jvn_FtjW0kXL24fhvBqJff8xsGwwU26ljJIxc06TQltwsrXKFjIrhWw7nP5fVx0aRYztRAeemnoAXlj8LH2z1mU2HfbLoENxZnRDLhaFh66KfZ4cEAm1bYyJmLFLQJtgKA.3LQOMmOxD3NZKM8IFkV7Zx4dyG8.eKinBkqaldWSct_eGckLt83e1chDy2rd26vvFradTFhDPC8ekvNqfJqS1fGUoZTWglaxr8Rktp5QtBsHe5x9Z14iIYuGRA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf5351f5cd6cc';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\/6358072419?__cf_chl_rt_tk=MhMP0UM30eNO1uiKA.ADqPfMKkXsbaIVGAEa2h79J2A-1739178540-1.0.1.1-Kr9KWeErUPbSEupSxP48KTfzmZdYJC8HwBwBg170e7E" + 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