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-553930588010.mit-edu.top/post/7436125980

  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-553930588010.mit-edu.top",cType: 'managed',cRay: '90fcb8670f94d687',cH: 'S0pFqW8OA4TJZ7qXGXATCtvBJNOB3RQM.xyzqXQN1aA-1739197021-1.2.1.1-5gXxJZ1BFXlpQHG7aXKc8rgoC30UGBrdTpAMyl8DwPDkCnpGM77nd1ev..JIbblX',cUPMDTk: "\/post\/7436125980?__cf_chl_tk=wXhtNdYof91ysqRoYZootNOavtHJAbEkOqUZFXjbDb0-1739197021-1.0.1.1-iYLRGOedbF8LbaWMQdd2lLQmARshDHH5Pv9ZBpjb7lE",cFPWv: 'g',cITimeS: '1739197021',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7436125980?__cf_chl_f_tk=wXhtNdYof91ysqRoYZootNOavtHJAbEkOqUZFXjbDb0-1739197021-1.0.1.1-iYLRGOedbF8LbaWMQdd2lLQmARshDHH5Pv9ZBpjb7lE",md: "Y24VPNMpKl8whBQOY1HXjMCR6tlqzi6SRmnn5QvWjw4-1739197021-1.2.1.1-HfMgdcXWQBKhVv.DEMKWXZAIN2NH8j5Hg8zeCsAuENwZE2_CmCKj0xDAjJhkIDRhlgHHrNwzybYjjpDlv3cglrkjUmc3EiYCJ2A5oulIqUv0NHN6PmgMus.22HgFDwTued0yIOsaI3gtXKSUkxMrPWbkAvAWbI.VfHe0SnR3K5nzcLg_eQJVLQxfwYTLgWGT2ZlxXNAmigGZW_wpCPjTG3ZM44VurEoAedQsOAqzG9_lBfUsdlYkQsNuknG9Ar_BbkrMGHTPKoj1NLmwAFkyCjMpD19SbsrMzkhq_xs1Ml1TawWyUuUo42RoWi4VATRHBPYT.N6WhcO1BI7xntwTJXsde3XmPDlLIPwnex2EVWMDb8QDdoAl0OR.Tj91Wehxz6B7f8eBDhPDbdchlDdjVmv8f7XUV9VL9CdePufiVGWKVcLgqmmswOZbwqz7I5s69e7LyRp_zbfl.4sepHE8RIprhBXhdnqixZ0pkwiEM13vhykojt83be1w42e6WAKn3iUcXj5rkmbVA6m3tQQSMi5iiNK8eewHvrC8KdXbCtFb9rh1_l1V5lGFZsvFET14bN8n.CvEWVO_vpIw_kff3a0H5kSUlH2o6X7iIMp5uzNnQGYjAx2RpuH.u8DuEBpKynEL68Eg6sH2GJlnsh6xIW6gY1QhZ1N5cCwXrcMN4hKFBE9i1LujrIbTjgU7DC8QSP27SOYqNdLUvLWH9M1Y045E8.16QPo_SjTKStkjr2xzEVkevPkqR_73A7YXLjBYcS8RE8PwlWjEtzBmqJhWthtXuZRDEIt1PzxJqpVb3pj6ApKx25JJ3VmqFAbz1yVgD98sEEjUtvD.qkBdzsCFhExSRno0wgymYRC6RAgfdgONkhevJbxzoUVq7kiwCo7hLyc87z5ap94WtRKo_ewBLgilZzbTU7zJftlSoK70rhIY_wKLSSw3.kMF4L9G8tN5eq.a2mYmoDsTBXndRgmB789QHkq7IwlA_6H5F8IYThf7IJ6j7tt2vAxOsALvKG4c6Zf1ktqlveI0xnCLU3IU81VkaddRew54eZIO.qHGlxtlHSLypO7GEymd6gJLmExMM9rlpnuqJa7gy3lPLBkx8EEhcHBk3.wyBDfAqrcZQ5Kknj.TqVfRzDAw0gZu399UKf2fJvebrqHSIXtfvLkHUZN80UM_3YcvBE2knrkB1B5b1Z5yMUrYODGUO3Qxyt_0T9hYK2YjsEQ5IhhY7yWTEycYrW_IRKL9zatjXfBAzklpeki6Bo85qieojPbvw.w7bjDLCpAZFUTRlXWMDDYkO9Yw_IybjD5COqPRE5jg.E..x9xftCRbNowQRooz._jALUYpiCZy9doh87AazkMLtCepV4_IdfvZTkNzbXt01syto1qN5AQkXWPh8m4Z0V7dsJubyADexovWMhmTYE8VVxft_b5GRiE4vpLkoiAWPZIXf91zOSjnWVo.N4MU8.6kewOg34JsM9IJtHXOH836..kHobnFjFAnx9BJpNyjceHfX6g4JIyxLJ5dJfJhWHhdYKkvgtW5.Fv.Co4guJ_3ZkUSpl4WFRMN.4eF5sC25kC8Bq3pZM587H1XtBjrjeSyY4JEKhlPyZ0ZcxasfAqnnIYvCqpDhM5G9OiKuFta8kwcZl6Jpz_NscMWUTKx1cY9NxjYFkqrIxqBBHXqU9w421T5kj9u5Ne4uWnkpoR584FBvu6uYWFgzBRFoKeTZy91tPYVTiRnYS_En7Q8fvScNINXQvbMLxTHnulAPYdtRUtdOItHOFOT_ljKyzyY10X5ywa56KuCkUof5rmqBVACL.lyxZpQT_xwrJ0wfjXuB.KbUxXqQPC7aWZrcyVbLmzLJZmu1an6YIAuKz67BuTncdhcuzMdEPjV5xOBBa30xYEG2DJ07gf9g9M1fvIjqYBAofy.yxx8SmXkoszgKNHUNab6aFBjaFUq_vW7RE1S_vcYjvPH4hJ44vxilIGjJPMHCB76TpLWN5EVNbVJhpQrR_PUBNwFyqP.RjQJP5hgXIsJpXOhTFJnmY7XClaTwsNKiJ.0ZPtMooYhT9dVPCTOBu_hFBWmWdJuX1cHLbVMfCRmpChOFsEeTRoXXIYu69MiH7A9TzdAnYBNjDEgY7nEj76pFlxeIoCyNyF2wMp1rB0slW9v9zBfnFzu5Et7o0jFb4CUsDpIr52jRr.01GnVn6_SSuQcZ9w5YGXrVPi55fGYT21IPdcsqk1C4iiWTfYh",mdrd: "o9MfFQvUayfvW5YgNfmWBn59NHkXi.FSx4I132Ahw_c-1739197021-1.2.1.1-k.c_PxBvUm8tOre6TJGMLQrgGjYsVaeie2Bw_ZL1TfNo3gtMyTh6rAFoLtcstfs07SFRqjmFbLU6KTyRTSP_L06_ayf3ybBhtb8WPywh3heLpOGW91CZk09W020GTt.1us1SjRNI_rJWcBg2jLX6aG.YleYXTnNUzVy6mlUDBIw592n2ShJV0ImNTvdNCJTmFmZM6dawm.nlrCJaaYs7Fw_uv745SP7Swep3gMAaoGnKlrrvO5N1BHRpu0D54dVgDjWzFE4PjIeKAWyRHWgZpedvOYiMS9lCNXAR.r0wieygN13TPMvcxJTiS6dJka5r67LaMUniWT.BW9Keh0NDHTlalYtYvKKwAylQ7fOqyEMdLsOi6uo_bnbSWgG82fOwDrjSm1pXHdKWiZpeS2c9i1xyOy8uFVmW.Huv.lyfm3UTkE1WLvpE.7dVf4GZm.97MAHhqrtoA2hS3mFa5OHFWV9_BCLoycPWcrZIeEL9VjNkGHSZU64fBX9YfxV4f3Lf9FSs5.GYDa7hw.SG1Szq6HiwDoZsEVGSoNa9Q35WivL2Uj1RGrj69SAg9grLB6BEdJnoAK5_lC1711YF9ycXdsnGl0IDuTBrOJkWtdGzaNC9khtYIMoCT6D0jL5KHKVGxGxNqnPBT82fWyW_E2noBFmq5v5LVGT2rI4aPRstno2wug9_zLAr8l7QzmXA37iIgd0rje4B83sLxcb9dX4POeFNSgP2qE1rPuW_u5xyX_HHEuGJQ55tzQ8lonjZdN3QOY.ot9tNj_rEhEMRND6CMhRSItqHLZLW_.cnPOs2z6w7sf74mb1_rPbcR.ORnHxnMGwF3gH_twbpwOf_JntFR2q3_Abd4OWNE8TMarcLOvAXoOyelIM7vgv8Z2pjUY2k6ugrsjXzFgWCtkKmzoJmuvqqJN_b1eMASdsxkLmZBh9b_rnTvDabj8aN3tjcApBuXLjToANVTnIQRrxyyRXzYNWVDkIV0sd22pa_5B2u8dG1U5dY7OY9GH9vswdQ3CM373COCW1wVJ02gkRRfvWyl6Ml1osw12eUc3E1YKE5ynumgtxpVOzwetSI4BpSX6ZdJfmdPYHjywTYH1TJ88DRmjBOf9iD1wYp9HKbyXpRGO5oqRD2LUA43dy2eSxJhWa0JeXzH1mth09RMpAIEAxoB82s1JMHKANq_Klo77aCj842mFeO9xO4gRgB7jTOLWUX_cSoWxceBBZoMsK.loGtzQJU8ZoTJG.eVm4X.50Ujeri8B74RSRUXRZQS02hXauSrF7W9RGWwE0K6xL7jQppl3h9Pacn.KH3MwoPr1tltyFUeFbAIE7RIoalWQ9DdHRk6rT7W1zvMeFz2Ej0ePeUXizvAxXZ.y9ZQa5xy7QS5hYd30Sf6T1E2Tbsk7kS_O4jujVFdlg.KZi9FBhAn43GRBBoteea9r.y2shwfLuCSwBYitdE5qvVcRIp_PKNu8uo55BONCKcBDeI4HSrdLOwWUHELlUH2IVqDz2RfdguYBavAGuFLNuuF9q6rChOkAjUEjp8JcvZI29EAjwLWiLTWfZlP6My9WbQPKLcMrbm5gv28bLvZa9zRwpnHbovf7tiaYlb1V11m6dXbnGQoybWNGy9VEteCCltLz1Z7W9dPjG02szZ4ml3BCF9rGigDbjO.gzEMDw2aulZz8rdoi0Q3IKc.Zgh4Jpfm0hlLYOUWpoTsD0dVi27YiKiUoHjLtNcrRheGXtoMyWHGKD0Wvjgtur20g172WcCc3eLiMf75v.qR9d8lc1.FGPStuOjjdnzE4Qm69AVCM2uF.6cuy89Ir04UqLH3ZF7LWWyFr3SfyM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcb8670f94d687';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\/7436125980?__cf_chl_rt_tk=wXhtNdYof91ysqRoYZootNOavtHJAbEkOqUZFXjbDb0-1739197021-1.0.1.1-iYLRGOedbF8LbaWMQdd2lLQmARshDHH5Pv9ZBpjb7lE" + 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