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-027004866856.mit-edu.top/post/0287136945

  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-027004866856.mit-edu.top",cType: 'managed',cRay: '90f353e43830c9b3',cH: 'K6C_PHiLgmUqY3pnGsgQoI4aRCn_5K2WGQXAilQ4JrQ-1739098532-1.2.1.1-gV1cryqs4fwF91x5vNP8HST6zDfD_TsjkI9NBVmpSA7tIwAeFHnpBWJzPo4mNpB2',cUPMDTk: "\/post\/0287136945?__cf_chl_tk=uZyYDmOOIQxPN3Tw8XaqJK_HOQuXtcLDWvWDNNiMf0A-1739098532-1.0.1.1-HIyLlrVrb.OWjExWEVY57BGq790euvZMvxQc2LrDITQ",cFPWv: 'g',cITimeS: '1739098532',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0287136945?__cf_chl_f_tk=uZyYDmOOIQxPN3Tw8XaqJK_HOQuXtcLDWvWDNNiMf0A-1739098532-1.0.1.1-HIyLlrVrb.OWjExWEVY57BGq790euvZMvxQc2LrDITQ",md: "Yug1T.li0SkSZrn0XZGEMGgy6V0E4mp7fh1F_o0dbg4-1739098532-1.2.1.1-uV0yw8CzQoKdeeE.6BufnMzSMz.PBcoXEXxi6FOS9MzrEQgPrDHZwktp8IKibpARk5QtTkPpL2hSid.m1DK6X25c3_LQfRxuLyHBN3PwT0UU0eDMFQWLKBYJ0zO7xLJsE5udkzFAxMk4VYKBEETjmIqo39C.Unemvk_4T5QcS4g2JWHC9eNc1v5RcT5XumVuF4eevjumh74MobKCEZJmywb9oqKPeym2xorNxYAmpFA9BKwho64VVPmaMat2qqQwHp08DbflGvUFJWGNeOa7DVwjp.244EX3uH3B5YJzQABb4Mf6yINQCb6edO_Diob.wJaCEkkp6i87Ex7S9dJzdK0tzWoXJ2AtACJUEsr0ARDtEqjN6snFJ9302Qb1hhFRxXJFoZIqluvkK9nVls8vPRfARvZpdZyCFEPXjFt08ESKuI.dFGw1rHXk2HPT9HbuIbOwWQtibtAurAHFoweqVhlKJjgwcHcHlS_u15EZWMokUTdInp33ev3ds3Y3zL8uKJLnYqjYgfHZkCqeDCrsR6pN2XBPEBZ0Bc0dcJL7DM5c1SL_fG.Utx_KLrQ7jZvs1oCgoNQvt.mukXwg0WnXLn6JExXNZcpb794W5wDOKWwEqN2TCUPYYt2ZaJEhjcUgdcGEY6tfNxnA.zldG6cPtVek7apXjEwwriUk4RYC2RfR2O3tEB71GKuDo0g70m1II3bzU7YyaHCP3pyJAV1gMn0zL9AiUELeW0KmBnQTkxZD4NyCELBvYPU1QXFQBZxqdKa0l.Qu21GULVlqFdx060BCyRjY8iMurIonjWRXn2MeDs1JLNRrLbMj3Pj8ahxG0YB296EP6Rmaw59IcvWrJc37M6qL4m_kl741BDKykbNtUPw4dcbU0J3G93ahqKU2wa44PnUo7J7WSD3zhqkjc_kD.o6cMNnDp40TxfvrTKjD_DfOys8cmC7o2IzoDOczWbtvka6vCsBWVRF0ZtswVHNKAJRWxu.t28C4AOj15maTBZEU_UHj6EnmqS.n1SPYHRSn8acHWQil2IG3vAtqWWkspApSWtyntvqomzg0ym8gWTpiu.ReeSzjOsP2eYMBf1OABXgOmSEAF9fvEEMGKZqxihFsl9CZ3aizBcOKDa0XqVYCJ2JFqXbDvKn6i2j94SB14zioRDq_88kgdkxoXDiFoxPVgRVUjl7UJRBJXhAz9otJUoHrUWbYtqKetoD71F5VIbxAMyNkGRewHUPD2m9VU3QC.E94cdKkeU5y_Jf.V7uC8TlFNjn4Cf8EO0QlIMJoG6O4kMbK8JAqfFYUUGrhkV9kshFYprz3mbJKSrWB92q27qH.wzjzL53g974g0D3y95kJAnWgO7fQlywOyxKjw496Ey5pEugPrY9IPuX5ijlL_sFBKWUbjKsmnOpafmL_ouSvs7CFT902pzNSOwcq4pBJGX_4Fkg28fAABr02R500_o2QNYulRVvkF_h1Wo8RUFcFMHfhIuw6mB2R16f1sl11puLjHG7kyxFgvjoUHSCftGVKjYge637BRtDcUdWJkO9PrIVqwJJwVfSlxhTQUwRgahQDaAe7sJxVH5dANloxUPhCfgOmySJ2ok0Ti.JpBShNfFR4LiDms_b5I44PkZpTm43Im4SmlyiyuvleVpF1ziXT2vd9LQjZmUD1fpIaN9JmKufC2iun1EDrng3rnm2CHrpQXHfuOVBvWSwpN10xG1OqAghi.5S8KNC3JxV5_u6QWRZTX6b01mPoIbYHS8L5RxdOX50m4nTxwOGlW26wgXGoHl90skSuWk54IcKJ4kU3e2oHmBiHGtXEmUU31BMAcommByVcAqa1YcuwZRMvJ.N6WwLpn_nZb724NyjpgVcZWF4kzz9Le8bomDjg5PaMTicj4dl5E35mUE7TT.yIiWPjqgT4fUkqgOwRpmTQITtJI4DY_4UXH_0jKFRg47UVZ90R.1OLXVWdYcIadQgeGCpo9wssvWUHtgvvxOEaa7RjP8c.essAMgryVSrjvQchLRZ8TTBt1r9ExSXfaN7lEePUKoYUEyG0UxmGqrIcXRtLQX080JbjN6_uz8sQO4THeQDtKrSnWDKtgla64deaYTL1eDXnRBcDiPKQ8LTxdtagP.qEc4VoNS0stIfVB7suzeco2Zbs6TzSzzh0yPxJGqf94WScraLL_rOL5wqOPXbAPmKY.aGiHzZ0erL24RbUKAUIuAQ3apKiXn9i1Gt9rwSaA1zIwj4zE7C7",mdrd: ".XbppBJDqZA4EgBIDV2MQtdtGO9trk3_dGP2mALWxGQ-1739098532-1.2.1.1-pwDlmLXxKX3018hZQHxMfTCAJNwWPN3SkpfXUzFDpz_dkTX3O98jagccJyKWQHs7qsARNs8yWuCFLyNOtqiWKWXJhbMNRXSVd4651x2AvLpZve2KH7DN1uBUjGALlqtf.6dm9Gf4LvjBxDfJ6E60Mt9oNKo1moHR.W0e1AKoB3qPmDUflZiExh2nFgJUaHBXypv0SNNCV9F.EQkAStK5gRHSD8YE4a2HCM3Aa7ws3pv4TST07Ur_B9YGmGTpVKT7JzqW9sK33UpWcu1BBLwgCIzJyFYBMEEK.GgtDdFagXsROqKiswRxsRLv6fQVGibDokycDyP4rRSr28dA1gIGb0x35xHwigiafcbM09nRX2gLQ4m0rkkd8CAuXDZ8U5RtbWe7qaJ5Dys6rkhIRtcOtFAv8nWgrWYrEbECamPinjCMmTNL5f1HPVSy4w60XKHsrx7bMZSYlOMd8DMAc81w4xXy2Muh8QlZE4JkeJVw8tNL2W5BRleaaLMSujECjpBiCjAGMZOcFrvTSeuTL_KGbhNsJsvvoLHZV0Qt0FkQT.Um56SPcbPl9.ysjcdaqCKp78gvG9E9taB12_X7kExXQhOiUGAcCLboe9bfpdGka5ff.NedZ74dAoKJlIV9F_93JZDHJC0pBMwH5w68a8Ch82POpYJJKNmoYdDqXfIMqPPo50y9JllW8IKUXyqfHtwjjiZeyFvVZVWlk2UH5rhVdvaujVgL3qhwYfFJPute6f9Z96T1j6EYJR7v8MwoJoZKMflXOVi1QUmiKvlH7rKnE6IrbPBeHGnP_xBxkI6IvhLYdCD.58CH23VIYT9PfvxBAJ6KAHt9peLuio17uVPyg2rxI7VfBdHTAY4VGg8offiN5iyaeU0JXkMhm3iUqxMwX34Y3hG.NL3XGKW3u218kvDUWEE8.xbNwAhy3y_2HTNd3fcNQGQ3IduspN_bALlP0rVdDPm8H33roN2sqHR68ITeMutx2_M8I4uKpUlXCiuml8nwJHm3l8mOLf3ixxm0ZPO2_j_dHASQXSPL7jvD_c89yWttVywK2FYmWt3t8d7_ialyup99aJyKIXRH47.y8vyq.M0.c3YtG4129BjzpXQ_sMU21FRlWKC.sfZOCp2_.JJz0d.VruNqBX12wtimDRo8QIgajs9g9qcxekezYR2IImc9BsPmSxQ2W70cWyLHFWtYNihLuu6MG_XHgoUBdtHOJu7sv5cOOH3li8yR3pWmqMOc1QVIDD6QSdsI0jVXFeljvLVovLNpp1EwSdsSG9KkIlteoH834AdpzfVQ0_6UiuG0kchBU_PYzltUX52zZf0TknBh.xxMlvbUlTmZ7BrVrG6HSz7y5GpK0N9D1SOqw0Lk.dU6jRdV1WGoTqdQeIyC5NXVRuuKAhip28yiEjiNKS.xe5qXhekOqVd0s_jwyttzDE2n7XZq2UwJkbVb.hadFUU53sSuddcJ0rgXZgG.OjhAozdYrmSA50ycuHyONdgv8LHhLlHbIaAIIsAXFZwvlel8rggFr2mvX3OHWiC57O.oYW1XmbgcYnOjA1FD9icxAEJCVeJh9doYcAaqQRGb8o0vq_wEY4Z44BAQrnOoieR9Ow42O_RJ11P47Qeb4SGqeFBk63Vt2gTjIGjpeoa_v88WWwz8.n.G5rOdMTD6SaXmMQA9aw7Eg8LZklew_jarb3lsgjZ_YeAKNAVRO.spUpVB0slTi84Lr6zpPwj8Bu6z3Bij5FRsbzQ9hCK.9spfPrw6J_ekqtoWleY8tUxjzLfMqtGwR_lsQnwfkjEtZrxTpPiKdJOEX_flguPaGUjiZdGsRWr8SrRefUg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f353e43830c9b3';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\/0287136945?__cf_chl_rt_tk=uZyYDmOOIQxPN3Tw8XaqJK_HOQuXtcLDWvWDNNiMf0A-1739098532-1.0.1.1-HIyLlrVrb.OWjExWEVY57BGq790euvZMvxQc2LrDITQ" + 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