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-980988669122.mit-edu.top/post/5321789604

  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-980988669122.mit-edu.top",cType: 'managed',cRay: '9110ce5a88bc8003',cH: 'ev.PqycYW.Is_p66dDiGeuIqieQOkmit7kUPs5yiopA-1739407635-1.2.1.1-Jd.F3MA99Vv2.IaH8dP3wbAAaiy3KEwV_VVJrS1a3I6Tb5r7oIA4dcV1abVxPy6z',cUPMDTk: "\/post\/5321789604?__cf_chl_tk=L_CuboFhFRQTt2ZfobulIG3xIGaCEbmmnAgb6kKYmC8-1739407635-1.0.1.1-VGbDKyrsB1lXe5KblyYqXDOoVLLeOH6LIbCJOxPC1xY",cFPWv: 'b',cITimeS: '1739407635',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5321789604?__cf_chl_f_tk=L_CuboFhFRQTt2ZfobulIG3xIGaCEbmmnAgb6kKYmC8-1739407635-1.0.1.1-VGbDKyrsB1lXe5KblyYqXDOoVLLeOH6LIbCJOxPC1xY",md: "a3G6wizYZApUvp.8v0ZJoZSQTLH4h19wdMc_3pdmWcY-1739407635-1.2.1.1-LwOaQ8tsePvgMCBQqW64APVIuVaRe4JcL5HR8V_5UAy0KcwD4QWDgRPiFJYM7e9DQJOn1cTBfblLBztVqShBA3zlQqTOlOLdKwxp2Kv0v3.Gz.hEdyMBJpuI_ABwKBUZ1q8djc5nfTdAg6h4si2mCfEhPFzgK7sHGqiFlzF2ln5AuFAEEoJfqDqeDIoHMtEXcszKKucs.StKlPOshACsbU5_ewuPL5q8BH3YnA11pjoInKw1QxE1D3YUhzd0o706bNvBJ9RmsJxTUQ89EeMlrN2aRNToN6zkqtYstvA5ESjQRVys3.e4WnJMp0evrmJU5Q.yKHLuEaNBFgGEUitnRjYG77zVQhBCZPnR2vlBLc31lL.O4BKB2dKTA3zAy23oaVBU6I9UPcOg9P3FNTVOjgf00dCofveFfG5iPegGuTsIqdwa9pbtIwgGzWBEx8g4gViZqJ5dpgQhIQ27QaKYoUgIFKCLtjyrD4Ib8_fOQqpF8dzKVgjfBdh3FA.8ILNTjFvZm9r1kyneYx4UZjEj3ZSyyeqmfkZa5CY.igUmZzzfNbT3z.nHtgn0BRkpRQQjIBuQNz8w2bfiE3rP1l5Pgf7sPrK5Pzlc_jwz2tF84dX6pPaAcxuDHYln72WpZvPcZHUUXjgkGzNRtu9YayHfgNEnzw1kuDmYC7lUxgqWUWkU276BCPWvXj.tmTOhj9jkAggxTyjDmBJQS7RzjKw9KD2TCdnkgvVpzyTbR5A0u_wcD7DU8xCWSVSZxHptjdvkkk.xT7ufSW1XijpaBXZ8JqxA6sSAWwYY..67X6kWMUohCppdLA_e__1ZsOK4..QvrlOKxI2.mFjrUygPPIbdlwb2WlzJzcu9Ab7d4lJCrTk_61d.yPsfjCQ1zNJn.BCrOIAeRJmeZV.5BiSKl70Ob82_oSecrmq8R8LHsAyCyEet.hSvtjOA1illZHFmtvLYSFWptLGfQV1.5wA68UG.aovoTSOH3dX3.MJKqZJST6YpzK.izqY5Ta9sAXqSxYiWHMTOhJeGE2UB7ZOPAFQX5cJqfUxW49vR6aaKIR1XDb3RrgyUGCaoQKeZ37EDpGU.sy0JjSsV0aZpzuRz.erLAj5QFWRWj0bqZsj0xnJ86qEgOxbOpCUX7ykHh2HEFJ7.ZSZReZDKaNq4OaUpStBtdGbVRXaddEumGr5fu6qngQ2lVYjoGJfb_Szq5wCJwFfUyz5clSxdnertudLqXpXPOXJB9xaNQO5a5ki57VgE._JePQvs2m2NE1pfYHcNprRAVCWoNvYbFhPnpZZ52lsTw6ImLCnG6.iNIxC0rGr0s4MWdWLbO9xGUYIHpj1O8fYHLwaBrlzKCgrakHZjMMDj7Ox0lWWzMpTdpYO_0GTtVEQdYv5G2qsH9qPdiazkmz5dwwc6D5.ZPYA9RxsgdHp7Rx9IK8OKAPXuCIZfSXhLr5kfAqmmK1bLh3ugCaof75P6QE5Lxo6P.ouY6wZ.E5TkGvVoZgJQEuZhIDyy5QAdc0551bA1SHXBwdDapnd32quC2cUSW1kgOathV9WQ5vgON4B8kIbo49llzFbNktwdtd0HQwVaj3IM6Ay8nZiSGZxMPY1imRT2JeoFkjeCdtFZ_2HQ4.jTLM5icFIpUFfR3HOIsQiyPKvuhXeearRGh18GEsWf6ksrKtS5tUGiSXpWBTL_IqG.2YWEYuMIsTBCLXy5mR2WeXhmUTf39tLkcMhXzQ6Wj6yQFi1Ylcqh_kcTeiCFiVvA9LQYo6JWzYJt0ThBnZi4UqNH4xfp92QCLl.VvYkwq9OOh9bpPumIKn9W4VRaEptBkZSmN7DiwsKpx6F4P0FXO5Ko.JzFXt.isyrwvCvekUy3sjx0IXgEdc9dJrFvBYGW66.i4R1haeO6XlFg2GOE3TbDSEwei1pP7p_WEEbqkJR6M3YwaM8AJNXzbUKest5BTv1cZ7y79DyiSKNgNBp93nGnKqN7aknYy0buEMfvkP96ZOWqnln_tBr.XqV42gaDQ5pwjLswhc2cpzKHs4NBBM778._FztsQUH4qAoOK_Mfy3ZzaFkiyyCFwMUnvcM1pXI0bEY2ty3Zbz0eapH6H98SAxQilS92rCkcrQ7fK1Biq6sJmgNuHE0tj80.88OTx9zYqHsJPwIrbVdzGKm2152kkszfIB0ZY6OhsT58haPsD5qtRxTywOOKC4Nj8wnIycb.H42rQTY5IgluLaSYnpmjuzu9IntnKRg96",mdrd: "1buDmRtQZmf5XKLoWnh20LISmikN8_Ua.BFR1sT1iMg-1739407635-1.2.1.1-mwy5cAX51neU1PHXI_cBfC2dja8ljNno3MA6681yCl8hMK73wSfEr4GXxiq0Gllz2EgayuV3Y0NltUhcp1_MIo80OS22zPOcZr5TBs_kNuUL.I1HVAO1jczMYdDPx7inlqGtYoC9ywuE77cxuCw0U8tj29PH1aBoO42w6mJNuYH17pRPjcPXLHVluYhhOFYui8MlrcpgfhX7uOEGAA6d3tAQkCJTpEbe56Cm80B1MQj4R5_gbiAKsVnDy_KlEM_26LjgL0GPxlYui.5NukSdTX0GYkcZo8wr38JjrE_H8xl2IdDFnQc3JcgRIXkwGNd7JcWExFWK2mvSTA9oo9j4Sm4i74TdWTSBhdCW98upZ7WA8v4BjlA82ejo5Bu9qnX7urG2fSAndy9nPZ.GiDZ.w.Y6CSo2wCi2teqaHGJSo2v5xupWEQXi03KbiB_u.29niCDJzpS8oCgdmelpyf8UwcNaPCKr1eIK43fC1d3hgA9CdHP7tPd7V75SsmLC7yyYwzdVuq6_a63g5t6Kwdm9yKQb5C2Fii4.8WXpLUnUlFG56tT2gaKkUbcTDSA_H053l2tVwSV.p3nMcix.XYZYM8W6O8wuscyyAv3DD3QGxXtcDBVt1sxW_eFr8KArNeisL22Hxk72GGpFuMbCyxZB1kvh7.NPBZnrszGQlk_mjKLCDNSSw4oNT8px3syAODi2SR_1jj5lQOZNCCm99lta855l4DQLuBdXT_OLUcXnvlHhp25NaHwgmPnY7BhwxKtZqmf1NK1uvvRnyjz9ok5s8Qg5Jt10hW7_qeSG7VHM7NXfziOq0ucGQ96gnM2g6QUispFQXp7L7_Uu2udZCYzJWgTlbjJ5NXDT0U7eh7okfy_iTue4K11dgc2GhlVdwREmnFpQfsM0Z_rgp3DPBUV1gYyHX14hi0y8VqdrO0yRYuQcgOtcDFGqVyr6Kz1BAOw.24lINYIcg0d0sEJDhPkU2weMqtfpj3U4u9PdRVaZqosji94Dwc_uFH.I9gyN2zpBFp5_tz6y8gdTL5pPdfqBVinFba5W3NsdwLNgLYiixc8b4qMMYUOMvmxUe4DSI8l_q2Caa4_6IS.v9Gnoi7rWlzZHCmGMb1f3Z6u.NV9.c_y3HaxsDDVP_32zmm2AgGBc0_gCvC7o2lN...iMjc717HMf8sgg4Ffas6FGWANwXI3ReVlEKrrBUP4UcMEYOGOYT9AI2yoaLp3bzopnMcVZXeo1.i3yqgGBx1nMMCUdMlP9w_2maDC7rpA4ClUprxrEiaCgqgG_PQTGCpsvUuPQ1yn8FGFMS9lNRv5xKhPLpuADcg2n1Su5RZUs4cgAvbF4f6feutIif4kisydz.rJr9J4XEfTaxywawlDzUWzIQTq8YkT3bmH3VEQvWVaJV611MBsynUdsO9p4_LqHkutXPQKx_6rwEJwHzdaxSM9JvJVOEy1KITaeA7M58.n.iXG7S951ydwzHstBbMeNkRm5uPcM54_ZVqYuWfSU56Z_rKT1JAjXXH7Wr1T2MBjPTgWu23w1z20alMbjDA0CGLWL_H5.mmfexP8jnac3xWOof57NcZdhb6vLVzT7tb0uZ6wds57e_I1mMWiuvhEb7ZZux6ikQ24ONyRnTrcC9ZsxBJfoyYOPkZLsemiE1LuWdYgpYsDeypWgbsC.jP5WEGOC1anEtNw_P_CELLYlSzNYtKNbDt.fbqHgcN6JFWKLJMizjgA61cj8yBUs8wO6s0gLc3.wNg4WIUbI_bT2VMIAl7fsSRIrmX5grKLIOro_Qt8Yq2UVGSzugCTO1A3Mb_dG.53YJ7Vf3wdmde4Qd2f9xkg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110ce5a88bc8003';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\/5321789604?__cf_chl_rt_tk=L_CuboFhFRQTt2ZfobulIG3xIGaCEbmmnAgb6kKYmC8-1739407635-1.0.1.1-VGbDKyrsB1lXe5KblyYqXDOoVLLeOH6LIbCJOxPC1xY" + 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