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-296542893763.mit-edu.top/post/4617290358

  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-296542893763.mit-edu.top",cType: 'managed',cRay: '90fcca24cf368293',cH: 'wMMJbC2Ji9a8ki3XW6p09dXDwzkBCw37NlPseJYseAg-1739197747-1.2.1.1-TnRV8Qw6fVgxFYlBmXNjEEyiubQaLinRzRucSoJeanagUPSEfzpyek_tHb.xayj3',cUPMDTk: "\/post\/4617290358?__cf_chl_tk=qvtGc4EWosyXk44tTb7OA3qGadoJLxI.RCxFDV4JIAg-1739197747-1.0.1.1-cc3IiZjNA8fIMh26UW4KWKIPEXrND8xfYv4tQ4BDbC8",cFPWv: 'g',cITimeS: '1739197747',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4617290358?__cf_chl_f_tk=qvtGc4EWosyXk44tTb7OA3qGadoJLxI.RCxFDV4JIAg-1739197747-1.0.1.1-cc3IiZjNA8fIMh26UW4KWKIPEXrND8xfYv4tQ4BDbC8",md: "ZvqUU4nriW8z5Pxp5LW21_V35xpEZBlV7wWyqlWkmow-1739197747-1.2.1.1-j87PV4LcrANByZtFMJmKin6PoH2G_P.QiOqONAGQx6Q4K_PBQw.sZNNNWpl4lbSXi_s4WRCVd57.0Yygc8Wi2tKCDx_0BeCaympUvh4OhbUsfXyPAAI_aifShJdry7ZmjVQNAPs3tEsCFi_AJZzddkeyQICcEfH4i_BhQxyi5L11ja_zklTTOfqDmQZsLqFueZwMC8a1moH9tyeUs74h7Q1hWwMd_Ry7E9wCx1KCA1Eho_0f_dNwKFYF4jS6dwCjv2jnOmRR2ABUbA6it94p7.VKw9kpXCiDsY5MGmz0_tObu.i81jquaDWDrWPRpI2smVxlOv4BBhC1je7Y.O58dFnbBpJTQk9g9J73xy1Z3AN.zQQvLKyzVOKzsG9vh0M8408jU6zKUagi_jfZXp0t9TzXQ7ppPHZAVAPDxckhx3tWNWmNCHZ88ZReoTK9iwhWDsYm4Igm.lkGRpLnLvXnWDvwr1GSzkMyVGfT2KMKQ36krtS3XTsDsldL3YPcPANSUukOQ55XxnV41m_X.nsVA3WYs3vUQ_Ec5QpGGlr0fpvcJHCz5s1KfBhxv8.tQru6ESIaH48OOLeNJ5diPgR8JUfFh_qGycgjgYr9X_482Lmuz7ePZIYrMm.6gcdaTEUfkKGaL2eFDm6AQm.uG6BLeNQGJOhRvdTdOmQmQTXwN9CcTU1kXBzV9NCrKr2gZK7_ioMo.Li_rUHRgX5qRFbDfk1TnMffgiu3QlnKLPPz9k_7B_7NhaTKap1GV7LQddsFwf2kR3x.PSc2sfcsMqN2SPGtaivoVg.r7U.RsyzdlafBW8fBhzFelS7brwf.UfUcNLm.zubnIkdRjAyb8QWp0Komi5ijyyhNebb8Z0JQumzrWnaEKSt9ZHS5fUocgOWW1BaiURy6ZNoYh5lZJAoaO0MqmrlpThqDtSGbIP8AFj6va1dZm.PNjozm5yZHX_8SkJXmp_nU.1s8sQlDE.2q3xQQftQ_bETE0bzPDSH8l27aFZDTFiufHdWuUK0YS7dJxdzvuU_8kGcEdCtxFr2l4u_fksL1VzXrohPbxuSGyizfyhQ28rwyiJ5lkFBjWKSf3yHbzNybTgmVCDey.ONduWz5O_hA_TVg72RB4tyBzMaIe7d9nBrb3OEKEQuAftu.j6UAA4y15jvqUGvFJMhoqEG9eq8DWHxh6C4BzqYHBTCF2mRf69x.48tnNpw3smwVbafQmgUcRM785RL7p5KplGAc6Tt2Wl2EV2aBXCaxRRXVUu5P1JhZVd_6xHpbu8ggaxil.cY.u.L8sjiQsndD5qMLqEpO78EiwJESEDU3d9P04R5cBrG0O47oienZLWthHqshludwvb3oHZuWxWNbWYQ4sLyIcG7i_AY96Mm9pgnJWrUZ0oUSF3YFFSu1KLRe6fQY5aJGQlMwO.gLBSu3O2zagqejasOk6zPBwA9jY9FyE3Dh.1AkIxdzzKsuSBJyG0GrmkTOle794yehkVtttalg5YWsVhUQl87MqpOsEOjKNmDGllp6aiOXKI0zFTyxbX02OnfM3ZHC4pOTtJkT1lCtjZhe0OYNBnL6.oFguelo70tJB2wBPOeT5i1TsYmKc9SmlUhYCqKNQ4q6ADYeSRgtNraXQCBaPcz9aORvgivouK1blq9hMSmjJeAjqaWK31xobYouIfmoDv0.ufouF_XKUAIVgfMTJwFlYf7gLKF.z.ni3LO9RAgrFw6IZDlofOawjkzuJF._5u3kfFo9dTZRBHKZn6oM321f6rmzcY67Xlmt21YXsWk9z7WuYpsmcfnp5puU9U9T9slLZgfad0vtMHszgGLMF1dzM8n0y2hpnds3XMZC7u_F2QQPWnJMdkWBjglxsjd_5P.Ou4PbjHZPoTQgW5HilXph.vvWWWBXbY2RU73HJmIUKNBob.ojxV.GKuDPUttpIH2g_HD0tstyd2_PZ2u5Gt3H_rmYhkAJxLxjv8pJ9ySCGW0sIPKzjEOO3H4Tu2utjlJZVshzKErgn9tw1uyc.Om7IVAzIavCR12g8NYgu0AlU3M4akGR7wjBS.lj.bjSmk3Zx.GVCtQEdtJVVcXqbEjx2VGuFg6toMZzfb7qNZjSghUxfQWhDBm9GIhtOX6gYKQgltKrKqoBWtWdonnCB.GfcZxJNXHdOyhfPbZDy0glK_MyKoT4VLnvmhWFyazDz5OEcsd_yRyYN37W7xUXbjeKg8wrpWqmXYtD_rQszZbCgLUcqTOg",mdrd: "vFp5ydOCZT3uaSXJv3MYZg_f4s4kw1wC_jCy8.1e3Vw-1739197747-1.2.1.1-XHWyzWpOcOcpdKVoh11nKoSo6KmDN3YMAsKQjV8zLTqgZH7RhaT525_IRW47Oitnmx5k_XDOSgkMIxslBvp1f8C1AN3n.oNcJjoZuZTitIc9Wf7phMfCPpcZxchsCCf9qw5aryl9qt3aHnsBobY5qY4g4oCWg60MQzH2oxYOZe7jiygfxDZycJ1fNuPBvFgM7DFL2yGz8xo_msEI1ewdHvD.Ik.G_2QcawVIfo_10c6E9bRYycKF5w4kwmcPW5hYEf6uM8hUG9eh1l3nhtwh02E2yQH.rGzhBLnmUkNlpc3kL5ilD75S7WgylmrXcFXcJEQURfY_Qfg2cpVa7wxTs_mM.4hrFNzi9NNp3eGrKBgQzt1pUSduXr8wO_eaPnvPpbJ2XNQ__bUR5Ie6VnRXgpuiEbp6Eb.KszwNJ1Zp_e.xmDrz4SrKxayObyUulum8jlzqjMJkPn17DsSDa6hSzDBxx4Mrym7z9cjPa5m51B7sdjyxYoAQyhcbx.tkwskntIu1TBFG3Kl5JHOO6rIf7gjCoicpVBcoPU2_SbwzX7hHQU.9FFVWSNYUrkOseJ_4zotRbQskwcyvKuTRpm4zkOS6Ss6DSCXkCT2EsyGXeYiEI.hsK5H5PWYAVcnW81KgnWKVcRvgbX.xLKuViwyywe7CVdJt7w8V9eocmEJV4om9k9oJusG1HKpeI0.MjMCV4Jy0DiiA6HxxdcJS0bFxMUeegw4uLz117HvE8q.oG3TRCrPKx68ic35vfncGwhDFbzpCxIuBnTpRNGBS_ALkvJkclQ1Qwz.C_fr4NY3UIdJMfRP_Joutci7YzhtMYNAbzaMQtpiX_mEBPS2CY3z.P12tv3fpFa8G6Pc.kaVGr.I19HRZorNeioTINma9DOzczzwJG83byzCRt62i8uzYoKgPFOdjQEmTQa5HRd8cPMP.wxgjdVuPYYK1C9bLbWYUNypQXPS4JQdnY5hCGNccxeP1W2qjMLjPMfuNBoeIsR4ecx35c60mVssJZFv.Z6YawSjw4kSQ.ggMInbHf8.AaTHSSXBA1kf06kpqFT.4X35_MI.ULqgTSZ3uQjUWIZLVetVkHHjynMKqqqxcQF8_F9FzG92Aw1jdHfOpLSPQ4c8GlMQrr3yzGRSGYUiX0yb5wt5tMS7de1GE2sj7uy7X.wsNRssgr6xJIsPuX2GvwTlq0B3Y_iRprO_YSI5x9BKi1B4scHi6mEIX760JoZq6oYlQRRycIG1n8KQMLpT7QUDnnmrptlP1JgdiM_eGpb6lrf9WrEV.MQsL6IEDUQqgE9VoJhTgPGfLAH.7BNZfLQh7oZ1dos8CBUwpmvHmWWcz0YNap_f9nyLHIKl5vnYg1pgh1STxXIAVlgYnU7DCck_zjjvCXBq3dWznVaf6xR.VcawRivtmn25okZMlzv_UzNRBs6D.YRLsMU9udVU8BrAa6X2uGqNL.jKsdBaSh3es5NGTd0n3WkE4FR1Bt9HgygTN6YJeCFYKzCPS1XdZQS_SjuaoKrxQnTUYaOYHyOK2RBU8TbejUKNAsGECOs2B3_FfvbQnNO7pulH6NoJ6_COYST_hn0FRbXdp7.L5G2V0k55bA986OCogxMPIDP6wuyN64KtEyJtcVFPmQj0Q8dUFWAAU5eMFnxDgrcfonjU4ip9Vq2G3udQjxx5t6zVwrSiM3paAGSMWXKCKA9Dm5l2Ll0PIxb32D5j516BiTpo36eAgjo7YO07ARzb0IjFcWOY0z0WZ9f1YdzvvSeYS4mIWa1mtA7JGgQT9jiEkM2Fui.laVjob.Mcmaxod2vfo1O3X_0X7aQL.u_Cqem70zIM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcca24cf368293';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\/4617290358?__cf_chl_rt_tk=qvtGc4EWosyXk44tTb7OA3qGadoJLxI.RCxFDV4JIAg-1739197747-1.0.1.1-cc3IiZjNA8fIMh26UW4KWKIPEXrND8xfYv4tQ4BDbC8" + 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