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-498750216640.mit-edu.top/post/0492753168

  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-498750216640.mit-edu.top",cType: 'managed',cRay: '90f8584e5ebe3903',cH: 'L5os1vEyoyVvphUCK6XKhfQpn2cRZQTcxigxGcCVq50-1739151142-1.2.1.1-_1PDaxHRbY2C5IeHu9UHcqsicjPw7SAa_AIFlv_uJoeybtkZ.I3vWd1ohULCDFMO',cUPMDTk: "\/post\/0492753168?__cf_chl_tk=H.ipK66lQwNBWBXAyFL8h.BYfqnenT.Ba.E1kK8vNug-1739151142-1.0.1.1-WTvyvWAyji8hcrl03vxSV17wuNM06c.cfk.dFVY5Nkw",cFPWv: 'g',cITimeS: '1739151142',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0492753168?__cf_chl_f_tk=H.ipK66lQwNBWBXAyFL8h.BYfqnenT.Ba.E1kK8vNug-1739151142-1.0.1.1-WTvyvWAyji8hcrl03vxSV17wuNM06c.cfk.dFVY5Nkw",md: "Or4B6fHQd7td1Lchd2askS7fe4ipSZhvPd0fbBMynkY-1739151142-1.2.1.1-IVbfIoHUwc3ZA33UDC1EbPRjJcr8Bj3rBwMOflaJ2YOeyN22LC6S1AoRHPHxfBDN1fG.HVBzVPFm3Fd8emtB4uYbiNYTCGflmSMzf4a5SrAYQ_AoG46EjYuH_.DTJgpNA8WHvUKNkHE0I7nb7RRx0kutHiLJDG_MAsHEuxXhTfBxEZHy4kCrQkQAdKqXaGzZRxy.MiIEVfCkGSjeO8.8BEI.nq7kk8VMezeCMSFPJ5JSP6mbYcDCQI.P2mP4JDh2GSke.G42XbFruBXXuit0SWqW8gkMBiJrpnlvvVJmlEunVz3opmD9fxJNJufTNWV4Lc4cUatDnqWYI_2vMXs5hRBGA8tpjxU7tPRb3q2Cul3_R.OCCNglaQnKrsoTsTyzOLeea7nSl12SrCfSfhrhi6kkHIR_fith2eewEAT5yn8o5X21vp7rTNsJvCUzHWNZ7i2ZKneTEKiqxyfE3lvjYX5LAUTuSDVG63NY.eU4O0G7M5Io1MA0t3bivonzEhYEM3xxhvtpNMkPq7mNnxjwk5yEBJ0m1fKuEBkrqUqGRiV5aJACwvJiRd8kPmpcm0SdtOAcM9oz7enYiJxE5ncSbXvffmlh2JW8O5neEhkYotWlBtiy8BWue08fFCepYI9bsbiKkRF..ynwxuDGnD4sPRuWaGGCnQwNiddFiH9idSw6OTeoYVuSWvk_L2s82ppJrjgKj4AXLHmmS.oPq4Oqfo5mcAkyslcaL4wjS_bVSTOG.Lti.Lx.1GeVcoGrxb0fhmjetMuPc80BqkHuLzPcEJeJW5eST6cZu93mjuaL.ZNaRuPSObp7VHzmW4YMn2GiKLIGhgGTs5rOyVWa4tXQOrNUa6fD.G4lJ1NHYIjQ_g8hzAtER6oRx2GGh3p7RAowvPr4bwsO0RdgfBgrcyjhFn9TxiIWUCLSlwJvoPEDxjD1m4tmil2i8tF9m8Oo9J8niQoddDJrc8zh250zrKAZak9vXd.Nfoz7KHqTBVd2.4DvC.idMwUDwZYlPPZZX6Fn8D_MHQ2vu7gi8GRvV.jkHWmsae0ESz.lFj72Rz1WBbgrmk67oE3Zic3GRZjOu3B.abNMME.UHOuWhl2J.UxwE_DQA6ZTGe6eeTe5V6r2g8CmzKZqQyViyew6WPgpNmQLg5CJSfLTHeyzY.XsIP3Knyf7ZbSDrQNcIGQtgbydPd2Y7VNF8neBz9ZBKUd0MAdFHc_ZX8g.RNBDGAUt6_Y2msdGVS6cZPMw7ZGN0wFY8fcMq.OrFE6QZYLoiSfH9BCMoDKgzfRJ_Uydiz8RpYijLVTPnCIwgiprW1AoLDihk.UclmSG40sK8qV3yKNRidekapXSzuQxUVutWWAXhMWrTa97i7d_YXOQD5PuSS3wIQnZ3eHWyRUphP8XIyc94C0kZCVGLMGKe5BY5P3k2L6nSvAM55JRwbI3ZGc.QhLaEIIZL_CHlwk_Dj5UkJeuhMJjCCs_HUfSO.BR4s4t5AiPuwVwab1rzYqmwBjKnXOUS75qDx4Lui5Man8z96TABeXohumyti.fRm_Eb8j_1e7ZJsHheN9CvFXW5h1rY0vo11Ig7WuMhigqurZlCmzO1ykTkckl0IZTMlc.tQ5QT23pf97VkXFJn9Rs_xqDPlNRAwew04j6ZRmrEOX8iywa.3Of6Mc.taB2RSWrtJCtn.X9skJq93H0MkKzqzjgwDtWhLcKuNxs04BoU2SWcmeyYEL7Q1hIREcKzTQyWryq20aX4Gu6Z5eixRQ7FIAF4ML0QKrbcyy5.1fXhKkVrdyazcvQnalXWgJXPbZHMSY_eqNd_ZouLeeWo9eF.2W0HkqijTaz0R60UYX2KldKOLrchNaGsYA1Kv1xo9A5ztxF25e8Tqtceo2Az8.mYbYpSubJOiPR1kJ22MGa88eCkXmbcerkN13pj2xWFsN2ehcDxJoc3z_2UBH5naCZ0dnIVAKUhb96i0QiFq.RP7JxyIZrDJlFX3QDTmBvdh2P2ZlK7SraE3cPQBLKtX2wY5lpA1Z6wGtAHwO1RRjv5dAY7NMdP4JTvxR_uy2DBoyHmyODK15kR1oh5taDc5V1NBNrnVJbVjJaB_585jz_cmGzZowYzMOIs4LPNuUNQiovYEiaTx9J5z0n3GUhNBgsvbNYD0Y.pm9_LkfgFQwXy7Icb8zTVadtMjB513aX22Oq6LAq1BSScQvEDqV5c.8x.mXS_yccYlLPOGGqeiKzeAMS.GIlMmMH",mdrd: "Q2BHGukQdmPctvqfurAb_MDx0TadfPkWsRw5VWMBRpY-1739151142-1.2.1.1-q4TOot3yUj0987EgXZIimnt03wtDj6HjC0yuqImvsi.ppDNg6xvs.mLCka_iSgrgQ6vHvryJecoBTRB3.VMfu5VIqenJ19h3oaDAwp4XpTVHDhfiouGVITm9DT0zanGsVPcQR.i6QX3feJiNhfbal8XHI7Q2LzwP.Eyltv2y.zp0mEYod0d1AxsiUvZlfyGTG38gdfzQ4.8X00WmKCCM1ZzsYEiRfdkhDO4mqlXq5SWL.EMbcH8X15XWgJ3Xwck7jDcaSUtt6aNWdcwNgX3n8E8PrdDUnkSHzoft.rtUjhCsnwJf7GIDjG_016ICKaAnKc.TqsYuD0Fq3B04DyDCZnk55knYZV3_tySUyFE5tbzrT6RdbaU4IzLmfsJFVMmassNbMsN6JjLg5mMhs8TjDK0vT9ELHtQcQox0zSTIu67___6iuSFa8dLN9_yaQonaz7gmfxniBn.yPWYN8HuUJUGR1CFpsaXsGflTAV2xVnMSP3_sujuMtKGT4tfvkTMALhmUK4Gjoz8.gdvEfwiRleHDgxPvs_fj_FZOxBtPWsrQwNIVZCSf7TfOXpMvqtl1ngif.mdz_ZjUpfsheD.l1MVh1e6xtGNSrjZ4I.SXO5RYrSo83iXqHIoDjmeVkVpVk.RMNuPBeW9bNOIvsRkb.pyOzPmWlo6YtLYqxYczo1rE2XZp7Mb_Sm2cii2zZqn3zfU1F58YOcUSNemtOaYLCBUmTCgZLlabaQ1lx2EBt9Esah6zY26.242.Aq1cmuSi4ewxM__TEnVrs_i4gRWBw.Rt6xev8JgD3lGxVncESUZLDdRyo.yLmx1ULEVaHToNF31hGP42cbY.oXvVKJzhYOuFxwHP_WCiN1eZdLdnWqH2sH8kRV1sMpu4UwL4kHV.dj1Bq9zOUbC17l7a9Is6pfFpkG2jPMssciwrsVsfpjxhS7_myjn_5jm3Fi_gwshCFd_bZgHnI.otnu__H4292Lhe2hiuVw7j18pDfBMmlWp8YAhYIWd8iews4Ppp8T0ngdTsgHJWqJoouUSMa4S48jxMZ5DI6bkC5TQtK49Fj0e046Jp0muEwcAhMUd4QAPf1W1ec4txbr35xciGh.FB5ubdoXKw0wqZVP5WmTjC45mXDU.hatdF1kJR3QLrwmu0oyy5A7GfG7cKqFDqHNtRgx2DQamZRRFb4GlSJC_pcRHJHg2vsWZYerPo4pr05v2sWmmMZj8LvsEwuO2jsU3brR09CfktW2886Aj9_OTvJPLetEZ_J1USBr4SUKtnYLtCBCEmVeTQlgW7sLY4HM3yBTJgP_cGGhGdWpS_V8UsmQ1INNG8u6Au0ChPHf4Jwuq2Ez7mK0v03Zpwum53t2IHa3GUgHWXeAOKJbt6KQwsCGr0uRuFBL8lwBXFQd7DUrFfKrFWmK5p9fbHSXNIqDvL10Zw.RhdM2Y.VR9f.19oU7rQr_s_EAr3KGiTmkKXPurTqIPb0ehbboiNc694VU2EuUo65U3FX2hPMt8XaFFj0RM9lLNsXgMHnTz4nQ824LTZX4oMxT9wHZe1C05goLOGVfPQr7MGzkpJJlWIX.C1ojPyut1eRU7f6UVlhB85dgkIqVqbgcOt8fs75MT_TosKvmISS6knqMZcqn.Uzpv.XdXuqIxEpM.3B99.Fy2wwoOf_9mRCaSzab3C5nmW1CLnuHfeR7g4i7kvema4wtw0b7Sqboin3n_oHMmyi4PCWktQSDfYImTNI8aSzZRbE630syQ0p0_zly2fb7M1xekM.pEeTyaZXxXhRoKm1dgiOftu1JYVWDDjzw8K365XxKChRMFLE5jh6xgHkb74iCTkWHs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8584e5ebe3903';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\/0492753168?__cf_chl_rt_tk=H.ipK66lQwNBWBXAyFL8h.BYfqnenT.Ba.E1kK8vNug-1739151142-1.0.1.1-WTvyvWAyji8hcrl03vxSV17wuNM06c.cfk.dFVY5Nkw" + 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