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-146769955751.mit-edu.top/post/4316907852

  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-146769955751.mit-edu.top",cType: 'managed',cRay: '9110d0a00f043955',cH: 'EXTPs21o.pemndAEtCyj7.gAX8PCTjqKSpHRFH5ueI0-1739407728-1.2.1.1-Q4oFpnNYs6ifI3xc_vfdqPtzRho724em_FtR3nRMPmU5Px1n0KkcaBsC41dl.Qpd',cUPMDTk: "\/post\/4316907852?__cf_chl_tk=r2rtK.rPzvN9hpCK.j4A4v.e4TZwf4zxXlzQJVXky3c-1739407728-1.0.1.1-bCf1XKv4yDEMUAmaFeFw0R9M5OceKgPzoVQHMXQJT2c",cFPWv: 'b',cITimeS: '1739407728',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4316907852?__cf_chl_f_tk=r2rtK.rPzvN9hpCK.j4A4v.e4TZwf4zxXlzQJVXky3c-1739407728-1.0.1.1-bCf1XKv4yDEMUAmaFeFw0R9M5OceKgPzoVQHMXQJT2c",md: "hISz6mJqzEP.F8jcYHkn_o6wYZix4bjxz09vGkRN39c-1739407728-1.2.1.1-sUBek8_AmJO.ACXOsrNpE1iQeoF5VHEiv0LQReXq083cfMKzNpucKAV85zTOz6GeSAI2DDM_wOkJLCk2lSBlcOnmvXWwT49Ql26Fc9mRBeS9bGI.UcHTWjcgc4IpEf0b0zD7n6cFsRm5Ylx.pZG.d0LSKziRnXXjexttXqCibsMOqa6j_pkvB_PtHkne.PKP9bMRpouL8jcMVFZO.hlrdjYt9nVlkpChLDREjrZWyfx_grAwhFfMrJcty9ZZC2If8tSxZTHUzYqDocFFxDR2rV8DGIQbzQRmdeTGL759quM98X9qWS5FIYVe5oPFiRPox.D0xp26Y5u81Ml7TNuOU_vDmQMAj6O6Zd6Fv8p.ddfiCUDATDRpBCo.0A1J8.gsOc4gW3dvKLcXGOB27Dlcb.yAQQ90hYZ0Ptk4WeUgwXFOflnGgPLB9Y00FqmNOrN94SmelNT8ZGlX.h9TuDDkTwsojmlFCeiZs.9OdTzQ7BPhwbj42B8AIcvm1SJ15KrocsewZRoe0YfujgGKohEXHZEh35uhoEFDZOBNwV8Ni7pCMQsafebnlg_BGJk6NL60VKjvn2y5WrxQ1ALjDi3e9TKyITYKZJXXKapS0mGtuzYG9fxrgOugoSI_OSv7jcaMbXv0WW7MnuCMPEkO75BJhD5mvxFG8cgURBmKLcuXkeiOIDmn69XpwzJy8ie.bD6B1relcRraefdEqmv2Zhx3UwwOGVppopne9tX.FyLkf0ugieyqtCV4Wtnce01eBbCXLHJl7z5U5IXy3Hh9C6baJNfC9Fvp3QPV5RAoicvWekOWk6NO8Dw8Jm_n92de9izIjggPdugNEfPKPv..W7kjZV9tvKZUxFgZd.KutMDy9COggVmn8ZZ3VfWHl9NjRM0f_LuskSA8XxGHe4cM4inHN1hGk2FOofSdUzMm0l9Dos1F9N2ACydVJ8z9syGvWmjkPPKTbJL0qwMG.2rOf.3xis1lIkw8L8zFm6MG9IuCRQE39RTbo.RFHNF2ARGwi0EJmpTYbAyNhkz4YiAinYdqYMCMtR41Sqqi6LaRQvq2x1ZXYy7XY7tLjVB5kP_ORhiTGdA54UefTHITUn7h9nga7sbmDVEI70Wwj9nOiuljM6_VPfwYWEKVjaEVWQFpq8PDEWh2OWC0SMrbe0h0BCgNREbt1..cNhT9Ju8OXT5Kx8T.u_KvpcvetEiC_1dW7KxMRqyK97j5vd2LvJQk6AY8CCbqtd73PH3jRCOxqrNH_YUtFCnrkwwoxE_CpPU2SB.eH0bgbqtqtMlyXwZVDzRpEwDMY354aMKldrcwT6H8LqKl2KHNkcME6BR1_L4WJQliRCq1lmzwh63LUtkK4wSgVlkEMULqLnwgjtsYSd5OCoxsIBeH_VxyUkxEFWu7tdE3Iz7O599VywxTZemQkwl.AvTVS9ftPFDVCl8c3eUR2wSdyXabLkru.qIh_LNWabpiw4aRFlPoA4QL_R7TxAa3dLbDAuGJDRB2bqmPxsxs1cXSDEiSW7inPdoCpFtPrgUbNoD68dUkJawkiNebfdPcvvXUZB10BGsUErciAXlv64SwaelW1KGif_MsUN9XiFYmi4hGYkCPwqiL69TDRdmvqR0GbRT1HDJN5o14fZh1cKvlf2i8IESz4H75syScNoPTfYsCiNX5xrYgCBVkfxTI01pY9Yelju8aerb6WMiWD9_FYo0hit.pSCX1OVjf6c.FUqmRM35pYLn5UiO9wOiOmDWXuHWuzampYWSWfTVlnH_xMD1upYiU.Hb_7pXbed6.uofqRRYlTTJojb_B9_1yXXdaz0UKnzKH8GfhzG7CP_1b5cdeCa9mNgQoONh.dV3LzKjT9Obs.dKLOZZvBrTPcpUGvYKvcQVQ5ZiuejtM0cBvfFeebMazHYcMTKxnjJ8VY1IEgAOOJddoSaW6n6sXWWMl4lXqzFB6iTna8K.iQJ29Va2ciUxBrwesUCkkyRRPcVm8rnfK0ZGFTHyEEtvztTo9sLePuNw.C7ohobrA5CZy98fAIEzFgkdKqfb64yyIloLWnKP2tPwaMpws86LB2UNLq3lWaZ8tES8pcIaA5H71.roY_tPHuUT45P45GXm2Z69kr8wnuRRM8YYSO.IvYJLHx5YNi4b7pkowDtW_vm.qod4gTHzL1Mpe4z41ax_ZJcQ8.qnHjZpNlFWISk8Hu4NCBFha91R_qE1R8ZlwwQ2SB._FW3Wx5Eog0RoNi8Xz",mdrd: "Q_MRAc7PpxRD8mTTxnw_xu0bA1T3CYO_nb76IucOdpY-1739407728-1.2.1.1-LJ74njdTf0fht2U8_zIg023ybmFQm4Ulia_9p4PI6_NO4MpCglt7jxnNsxYXzA2lFtYDFmlot_QGfJuIVT8PkzEU8By0OWJ82mCG3f6UiS3Hw6GXVrwF39Zu_UTGlDAYFdj4XaxoSNFHyVaIYKoVK4ijTlgqia9_A7e3piC7wf5P96czknoPhSZXCAdQZX9dr_Kppe4kySoItqCpoe5HeT6uNmgXFPOqGsvYkDFeLkxjb6M5JkZo2xVzt1jN8_o6JjAIw8XWwQnc5yR3mFVUU4IHZexic5XBa.yTBYiIox1Jl4l.SQyJgGLEShbaey4hNkzEu0ZGGkvBBugaa08cof.FVBUII5uS39QJ3dEMz1pMLTlBeupd.lXuuAhPW_i0r3heYuPAG4aswODoZnqE2uxcbEAdVzokKRHx2_Km9zT7GAw2sOMTi.BE9qaMDEKbdmozRwdXYFoq.ksWaEkT.CqXo.DGCfMDysvE85sCW3qmzQVnclOZhajDbosjyHcCaQtobF3caD6YTTq0hf8ZPWXMquG05dTHZskcDPApt3oabTelx9em14okEsFJFjkA5b02npnfO2e3jrggUv7dUvCnsBixypvMnVQju.U8hYsVdUvOoUYEnlk9rpPMd8sYMWtnqWDxe5vuSM3HNRnAbKUJWNy1Eh_5IvQiJRjKymVUQKyVONuOFOfrd84PTPQyw30X8n5pzYcrb9VsGkihKoR41nhiDHksSXbBZyChY1IGYxI.nxnfBRr6Js2hwmoV4L.UL66HIGqHcQ_yiUUI2fSNvg.1mut6_JB18oNjt0SfUx8ytWcqAwOadKUX3f8ipvWG0vymw8MhCfBY9M4jY1jE5sp_kyFRGNC45uaIk9BEd1LffnLkTNbbTQyVYhABEOrzqDxGpOIgcgEcK9Z8uTcbDGOEAqd66zYupAlJx2jJfo7B1G0jtEINRixYZqtLLVK0KNBzF0Css4nmgx7SjUDbCresnF680gw6iz2zVPsVvejDulSBgmkGuE8e6BDwXcwrNPeN_9YCyjBvn5Mos33HdfoAZQ71N4keMlMe38WBhi7aDRip5T_J76aQ3Ag.6PLcdHCAsK2TKYQr7E_ZZYiOOalk_Nf348dhZKSXl5vvT9cY8GaZGPCEQqUWIDUDs991U6JFVwt8cReMUDcLVLsgeGgSH22jNq8j_6.eEkBwVQoCrQydha0N3oYtaLxJc5FcSDLXhTwMU3UNkrM5fobsPP66SZsZuBJjilCENrWIv5Vk88EIXo9Hi_IGD79TB9CE9oa30k7J_lBnPyrOBpNHP5LPCQWFDYST2MAmlwb8KW.wmC6hkC9reWuJmYEGqOyw2yyvAsWzGwdNPtDaU1RPl6BdnJZ97lfHzwHb1vzuph9QXsNAPJVdxzjHlLkUst1eO9bdpUvJXE11We8bEwxzUoIwVR6yZtWLO3P.kKK293LdlJJ3wtdose4iiu0xVm1p9rpc0Qc_PbjfzUkvoqZMWdNCNjYBj5MvTY2x7du9hAOrAFAdZlE1jrkeBPQb3zP_dWFhKuMkXVx8lwabHEYasq27AJZ5N3SAqFcwHo0U79owACV_IhMXd6W5mtzeBGLQkdIktySmUhq8yBzxDSesd7Gd1sqVQDYW7bZElgmsuszak_OTp.mj23b1w66R0sBlOSjp1T3B_nSdrEghgmfboIVPD71mP0UL0nzru6fNHLWATxsvWuDrluiFwb373yv00EyYS8e48CjigzTveRdtzmmoD9AvsAFiH.lU9xBw41oddjsjx06f7aBNbkWctFWL0Heeqv74ebEHv3hU8g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110d0a00f043955';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\/4316907852?__cf_chl_rt_tk=r2rtK.rPzvN9hpCK.j4A4v.e4TZwf4zxXlzQJVXky3c-1739407728-1.0.1.1-bCf1XKv4yDEMUAmaFeFw0R9M5OceKgPzoVQHMXQJT2c" + 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