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-338702391603.mit-edu.top/post/1890245637

  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-338702391603.mit-edu.top",cType: 'managed',cRay: '90f45d99aa780641',cH: '6gwFOCkkCHXnjDdTEJ5qSKGgwYbHHugIdDxL6oS7pA4-1739109415-1.2.1.1-aDrm.G1D45nrjik0Lrpa9BYs.HeDpRIiDQ8AaxfIiskFvr6vvBxVI2OceRC7Lj.l',cUPMDTk: "\/post\/1890245637?__cf_chl_tk=w8XQpLPaN_EWjeOw9UWduNE0W2XqX_EnHulDpg7dx6A-1739109415-1.0.1.1-bA6jc.jQuhbMSK5EGYdUj_abSBcNoVJYBBC2.7Azd.o",cFPWv: 'g',cITimeS: '1739109415',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1890245637?__cf_chl_f_tk=w8XQpLPaN_EWjeOw9UWduNE0W2XqX_EnHulDpg7dx6A-1739109415-1.0.1.1-bA6jc.jQuhbMSK5EGYdUj_abSBcNoVJYBBC2.7Azd.o",md: "h8rHXR1PGeuzntKx2B5YNRe2Q_SC9VG7YWQL0Cx_3uY-1739109415-1.2.1.1-ZVPymIqBR0u6kmjfEhVx2tOe0rtk.R5qXgXzVRNQiSsXh_nEBTsAgE2noj8KatzJCsStj_8lqNvQkzN_71t2gKhrs9vHGsIhGSwVzdug6dh2Gi_gHruYX6PlskhH25hwf4om7F.wdBCKn854TE8YTec58AJAlknQojfIej8dh3wd6JvfQg.KfTDRCg.t0YnyRF3DOr.uP8sPeCEOhRRjAhaiqRY.xZLmlt1KAGrX4H3UusQAQJjqstj2oh5iBgV8RTQKRhZwPScHrFovSiJAxiTonjmEEE38dvEkzlgAl7OYE9xs5dD9xcn_2Olpb3sWVbBKjWIzg4kWd7tKYCpUHZlMa4bdqCtFXjjdFN10S3y5IDOrNY7OWh5IH4AxnoCptRIcB9ND6h7F6q8QJO7u8UmI3YIWR4qOwfBAGC7L09yZxkYA6I3XUcA1ioUmi_uCnxdbc4BMmz79pVhQ0qK2rHkfnnUXykvtxLU3kzMSAftBm843s5oj2YrkNNai8maPvZ.3eT9bO5TJ_56eF5kFJBZ_oa7gzgZJNI2HGAyifmapXHi3VVO9Of6igw_Mo_PbBKdwHNyQk.Tr8Wk2rN_6IaLjw6.1xhIZ3HWviXQeD2HC2rCET7c6SBJA02d3QyoUd8Z.1vVUUcohnhaVUBdhEDv9Tqi0aEow1eAXunF2opMwpqQqtVygQtw8UwrOOTLsAMU25GVw5e8AI4CfBUuuTR1.0SnxB551GJFjrRvKjmVz3p9diRGVVArIPQw3KHxxIGZR1F8nxwIjITYdorLBRjE9obL1LbQwXkBDOC3JtaUD.zP.ZyOxqa7.LW2hlMvF5rFeFF.JVK9hbL32XJahP43zxhJBqxhw_cC8C1gnYjbPqGOI7uK39grE0Tn8uySOBp3w9dOhRHMXFjj9Kp1V.xAmvCyYRMG6ribK1pN0NpU0N69VqPxtGIEu2u7FDO9uW0PxkZzWbtM4DwvawbEjYmRPVB8F4SDaUcVFtfw3EMj2JPguFRThIGY3xJhZI.x0BvWaFdpHJqZS7237hAGqSjPtxad8KRcrDwzA5Xy2mcRs0P1e5.NTvdJB_45G_twWj9mPZqvk_AvYPP0LJA2ogSXoy05bbxqDxkV85wBHUtwEg5jzgemuLu_DpHKX.LxzX.s0lJE47ntG54T6Au1FzhGj4heNo3wazt0YsosbhkTlrZY4K2fINQiwYjpM2hlEFIpjT_RtT8eyIReZBT9.ac3eG03yAY4cz3X1HfJCKBjBN1J8blHrlfpjSffdrKpqD5RHFgfxbqzMNLwuWc3hteGK8NCgNHsdulZInPJNjhmEZBrkMPUpIu9ij6HrGZWVDicGu5r5rfk9xUrqKL3s.HnbUYw7ztm02I4srXD9zUsTVUCEYLZBtjY6dSIdDCyhXuKzIQ6HaIt6yGktxMbXPWq9sfS_7LO2ftJZKGBZMPkwxyy1JPJAhtuLDNeBjES94uszdvF0AYV12iZTmA2EIliohYoerHGOjriqptm956FuhTdOuoNGJ50GrmhqoeHjA.ynIaGmOF6McayxY3X.7eAUHzZaGz141T65UgTCoCSB.JYHghnBwMNcHmmaE2jPj1FCmETfBzbAH2Kgj7oGNxy9Tm2nkMFVjI2UIHfTbEOcFhk9kgNFRyALWWjMrlUyZnFmnUtP_A2xsqzXTYqo.IPrKncs84kSw_PStIG05xnON7vYJTrB7IkmPYpoFtRZUDKTQgzoldwN0_cYB9LVZhbrknNJDMU71qcDB8FBCDbLzScsDhxKCV8dBbYSbTiH5PTr6nc.nNx3WmC.G5j5elexb9etyMgWpoEuiZv1KEgFYXY07rVb3LFQiAFszY2KD7qfot2YoAHWTH0gIs.T.xhyU6DtOcfho7vS7GnuG7aPg7YdF56d_qFQhq3ATWIu91SVNNavPSpPXIKY7g0PfwFKxU9eJcNtb5C0C4wYLVbKPTkYSU_e9AtePO_m_nvgFuVb1D1eM3ormLklOlJhPBBR0DBdNXGiWDLQH76vxGuER6mz3AzZM7cPwBJ7odse1O9PTWDbwkj0G40wFHE8TvSFlMM.YoMQC5LCulhNMx2dyVpgolEZE4Uc0VBsZguR_G9aRrRvWlFQEYdx9nOQAt_UFCQCPG.k7WtTIrCxyjeJ9LgLuOOdgalm2ZE96quOKbZyhKuQWELPjfrxLjRnJr50hA_FPMkAxs2B1g7P8N..Z7f5X12J3MbF9afe_gnu",mdrd: ".i5tHnwhT_FiE0LrEayxR4HLB3VWGe0GzwRNRphybD0-1739109415-1.2.1.1-nkO6O9TEqMh_.7aWCKeyNPLjpnKlntZeyNNH6nVwdJtuEFoivCo5szbua7mXpJFTNQTB0SWdPE6kuZ9KuDXNfrgweSyhv_uNplvTMOzEup3.4NOyW8Pfe8rn6_74gKnSCYDncBXCp08PXLPxCFn24gSwoVFsyyBui3Fz6byCU2CKJZsazc6aR1B6uwJINfs4eOFruXMqoz4fLE1xUeuhPYHUprUKSJKL09aYbm9kwxo6Sm0rkwRjQ7PamsB7.C2tG5bGK9WO2DyUst1w2pHYHDe.eeH4v9si1JDOxCIToVzYPC8pzC9vOoy8Xx1eNNN7dZJS7fJp9JoydlJL.as4co3HJghgJAWXon_SDHk2c8sJ7N2icIgSBwyvpg9uW5GwKo4imDOqFKlIGBgmiNn6ftMLIIbxSajTOYGKsBppdsVEGUWqVEQG.yuzUF6ZENfAfdwaeb_SZ4Na3VZSjyVN2fM6RiU8DH8y.D_v1gpYXdtpDcr2StsNYkppJ3I.hTooM9kj_tJKBCImo.Ukk2vHlY44oSOeQRZvQlOmS1KDU7W3FjPq5_gg9a29dToPT3.AGS20nMyJMQVXbdB.cvFttmapZRTuImlflG4WRoLdLexrUXkMwAQTvYSdu18H8QFVyvo23fWMQF7DC1SPKfY8N1IyK7pv1lERh_8D6iJ6AhV0pKfMth9BXX6WYzbv.8MkNgoJ64a9icu1Cqay5x8DgNH1eR5N8cxjOErwhlsfe9oX4OxHrXHGFvfxcOdeeY1inPt61Q67FQgmwi7wJVAeIl4VMjwTrk.ir3kwSqdsjL5T8hMqohmQhdAntdpvJJaRW9_5bg1Xw5wqrjVfuy77zWcfl_veOEpEXigzRwbzlQyHZPi0WaB93iIjrvkbZCjZGrj6td8fbwfxJ7474ynYrVBvWAC8s_k6bdDyY29zi1SOqlatJBmZWnxKopi5I03nEnu1LY6wIT2HYBp.D7I2CIc3K8Xuhh9pbXdrbp5gxKEqG6xPG4kz._eyLVHKcLa1MJBG1VJnjILy04MaaTfYsxF4Y67ypGJWWduevtu99tmDf.e.awpAHWD.v7UQfFvjQU_A0oBtwS_NTF69dxokD18AClYTAN9E5twixAEsrYh7glULUPlQTGMN3KJgweJlz8XYDFZQ7sKe4sfivPtY_CAu0k6aJCf0HfFoQvMuO.sV2VRPgksAXNPscir.KLrulcXL8PHpsUlCQQhzixvFmz2druXUfjY2mvg92V7bJ0OQqwdbxW818zMQEl9HARxIxju979_oP1yaKoRQ9MbSvDRk3TMn0d.tr7sLS0U5qUqn4kH9i5QoQ9lqkqrr7_7.PI2bKKbPzxNsLTGC0IW5tepktBXlxUeDKgbc2rpjej1c.im3tjcGmZdFJ7Sk3I8o_iAnCItDcvo4NztbiVodEmEInEZrv82S.iAp.EXjVKrOAWE1LfxzXi8L_0CGmWwpB.9fOFfH2EIGEWP4EtG.u4l3xIEsJ1hFFvqoebw6UKSfHZXJN5rRCXM2hCnjvM2yhYIdQuwWx_jhLHZzRMe4DjgH.bfuW.Zk93Yc20lqMax3WiYgElPpRX2GPlegD_wSqofPS26NuCN.EQ59TaMXb29PfNZ9kw.CsBtUUc1i0rF5joaYXKmSfukaGftUCNS1JV787D1UNj6NrJJ7yOPgeKz1FR3UmugnSnRgZvn1mzw6SLzGqUAI13ihJX0TMOKCFUwlWXBeAXWmRD4RWVPBhJ9ieBAEjEy6DA.hMTq0iBdMVct5GkxeYN5xRQerm_C9_r.vWWYC1gWnSkP_dbysIAbJEyI2mS6w_rrSjfQ8lY4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f45d99aa780641';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\/1890245637?__cf_chl_rt_tk=w8XQpLPaN_EWjeOw9UWduNE0W2XqX_EnHulDpg7dx6A-1739109415-1.0.1.1-bA6jc.jQuhbMSK5EGYdUj_abSBcNoVJYBBC2.7Azd.o" + 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