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-863444901765.mit-edu.top/post/9470582613

  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-863444901765.mit-edu.top",cType: 'managed',cRay: '90fafe37aa90d471',cH: 'Sv3mXyrN4Uopp6.FwuRJBpOJlYxldBLnXewZgj8DEiU-1739178909-1.2.1.1-4RqLMREJFEzM4Ubo0X0LgH7P8ZaIc5YgKAtMOm1ZFplDpcJf.rPT2cOqrNUPygl2',cUPMDTk: "\/post\/9470582613?__cf_chl_tk=fPGPx4_45pcW_u5BIq.VJso4GZDCSCdQ_aTxSLKfhxY-1739178909-1.0.1.1-r1oLljzf7VZ.mDI3hSuu2st9bXjNqSQ8mjiI1OPhBks",cFPWv: 'g',cITimeS: '1739178909',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9470582613?__cf_chl_f_tk=fPGPx4_45pcW_u5BIq.VJso4GZDCSCdQ_aTxSLKfhxY-1739178909-1.0.1.1-r1oLljzf7VZ.mDI3hSuu2st9bXjNqSQ8mjiI1OPhBks",md: "akPYJsMqkIpkbaUp5nSVbPwhWnquDIY0xGs5jesxCeM-1739178909-1.2.1.1-AVmG890A2FjDCthwiHPYznL5oNTjrr2qYc2teTGRWhMEQwLz3Q.P9yrUGdOysEwVmJEk4Ltam_RfyVKH4MCfYbgpgLe2YvankH__o7.J0oqPMqA5UeDVldGBDdPssKdjueAYIcnllaWTmU1OdYe9qX1ffvYOkGHOGmHXiLqqBNghfXnRzZk_sLNYgV1Gl7pioZqM39Y0DPqC1rM7oVoNJxs7tq_U45JWkxh6TlbdZnF57C0nkeOjkVx7u9Smc59D8RJPG9a1Yc0GXgQlAEPSmtn7zkcoGHWX6KqFDs0h9hpTeP8DHY28yKMLs7BIMC0hCCXa7pQrvTn268sxgGR_5Dl1egT7vgig3bLhwTbgVje.UttaGO_sb7fW.IvEe02n2J9VTdYSfbLlQYJbOjgv2CweGqTF11tXEPz1yVCSQsiQra3sCOEhOOhHWJGnJHTI7U15yA1LNDQuAbt.rM591Rs7jqORNDNWZOxHY_xtGN2RY9KHnktn0UcgNilDjhKg97mK76SIWe3h4vk8OnxoCqyZmpc3v7EmaCfOK1wBn1TGG0ndV4kfpM5sOJKFWIoLnfR_aTKBvYYLY9bNS6fPGw3dc91zYu4.zNA2LmeRrhdw2rVtXYlo19.YO4r8pYLb.1ec_RSWO47FB9FEfS95_ycTyYW11Ac2ND7PMwQGMkfKuXASfWpczbeFdtFhRIllOQ5J9jidftRdK3h2a2GSmfWHkDt8JCkmPnZz9KYqRCS.yIhq8VxgP2wt4RYqDQc0APGDid5UwxQuEQJoWaGApzBlqu6S7A07.nUUeHN8zqy3Z8kKo0UymWkCqBcogwB8DcLdcDj.1EVJPa.Jh8loiGSmLqyPtWiGIitG.2eadTSfAJZT1.z992dhyrnP2rztyFHPpsOAt4O8C.qvuoEPVMaNO5n1VCKfnLDabXcY8sFEN9FD8PKCOxmlswidUsjQXQdU4mMdB8jtAgeYNhBvia5A.mfVBmSINSkD.IUULh2b5krKx7hbrBfjOoaSYBpntkUwo4P.sqgPqBMXozcRjJ4JsvbyfnWvzjytG86slmPZ3RSiLqv8sqmSs5gvlQUOILVnLRFg6ic5XSFyhZPBWfsltrIdkUuDeKdRp8uKyTCMCJpm3k6xriEToK6Lm856T7DI1fxkUkG73FdGHWgWgtVD5plcQPxHBb_7g6Gtyk0J_zoW1o3vljUG1nKFqbJPD7PV0ke_E1DuP98ezII.td4ukkgReCU6y.1HqJK0T7JLWzepXARrJKb2RKGpVTkS3nIdjJUtDkkCuLX_uwsTntVyxWrbuQgAPcO2VQXFXMJGOhAQDEylt.mEtjqWmVieZIyap1V_saHAxLtKJTARXuGIE77tZH0ra200e_QVUbLzkAiaL0VKtCvOglBvUmziA1RFKHwVkflFYK0mUREQD.8zU8pQhzcAi3xT.TRjUpBQB_BKKUxNLq58050R1uOcnIPiIFhWwIDXvUw64PZSTNQAhUzaialnipdhQCPKOK16codfLSb91r0Bi1eR7iEpaerL2jYSORS7Ltm8dq2XutNc9.bwmy9Kj_gDdcbUfFjrY2ZTVz_Sy_V3uXXyyasx6mmCNnwebC4rhLgRSK7mgWoytXQ.RtHdxli4xgjFpElsV12pinQFWZ8h5ShDmE3BN3EJV_tXd1WbjGqd3dvwxlPogLs9C6HGrIOLdGVaaaPExIHL7gjiaI7uTIT6JYyVKp_qCjB3NQqAVimvJ2xlOoXPAxr5W5qJJqP_Wq67Peq28Grq53Wed74ZBRyjYTa7DetrYlCMOse8o7jWTS.9gm1rzDNO4qRMA3_vzDC6N4P5mIdG7daZjXBWW9FweIFmQ56JrR7C4nB8xY_xWIH7BWtqkET3ZspAvO2tnnyAHdqTplqteMspaQZYiLGGZ_TtljCder1PxU09XTkXD_awiy.CLrbI84Kt8khTakeheV0qftj6xAysk6ROjTj0zTKOmIYhep59788u4y8juFw3MD4Nk5gFqFriVCEMtj_wpmRo9N_FylZ1HstmUtim.noFE.dbs3JBkYBczmaMu7cPd6OEr8IX59TbMhh_xSYQ8E7zjFNi7UNcxVyjuUD_qeBm63OUuvIMzsB.Cqie7Al1mfk5197T7GJenIdDnySN2SAxaOHENwYiXFcMbVFW7z_gji5miW_pLwPHr0UsqwESwii9s8WbeafI9MTM.ojvNmJvh9CRmD4DExSTwk.I27Pq",mdrd: "jZJwDA.FvCOgGCdzZGE837YMev.3DPb8DWjye99wI7I-1739178909-1.2.1.1-SY65TzCaaClgWSmQPTTR2otnQJVx7hPUQnHMLDMB1ois4OjJ7jrAijygpgAnOWl.wTfUcDotRuAUBPFCywRadgFqnG_nPS97Bw.O3hB7zE5ALXufRr76KMkpjSUHZvvLJAiZbmqwNdo2YXlAmkcAIOSCAfM25BK_vGYG4K2DOeK_fIgV8lQq2hJH6uDaJMUsSPkhs._rdZFum.YISsFV2mh55p3qaFtRJAGwpTJ9PiCwFlatsRDYOGfSY.JC5FyddZg5MbV4gIiLh3mpyh0prTzdV3zkWThcG5baGEun8ndAql1rvOy8SrsoXDoycClK2ozKgEzHQ_T8IU.Uw1rRrF50QR8u4.OTZhB0hpcPfKIK30cMvOeg.IMknAlfPBVuUewoS36ke96YtdFNodIJNeGXoTH3PQCk6_SiPyQ7Or9CGWU5_s2YT.5Pk_OjAYxjfWIRKJMOTbCel7hieuFfgbdQNXOkvAmZTCGGn6qw5MlbXD39EsK9qncnVhf1wvb6Qg5N1Z2yjJQ_4bKwsobHQw56LcFLUOtVYL1er.S8yqLBDeKZhSLl7gE0pHUgB2dgBl8ndv63HSjgMGfyVQNwQ8GvWyA2RChTosIWMWk68tjy2IHmZIwrgWqaA_b8bdJpgs2f_A2ldPYoeF7VgDTDojG2eKezVRT5ef5R8f1CiIqZc6JGONA969pV.vokd1xnMU4v9Tbd4rKU6Zzcu4E2tDk8vaRz6Tmz_nIBVS2.WW7yYKMbDKYwbqJYsGexg.M7NFWapoFHpBykxYqLIu.gHp4NdyWJwNjNWq2ej1SZYOXBny8OzIu6cA2iASRxO0lwdufNoQmtGiNtcLNDw7Pd7ChF94cjL23bd4Yvt3_Xq05dIc76LC_SLuV3mwVduVcmet8ZMT48oDN7HBnB7RiZZ9oz6QtC4LC2TK8UiNYkfm0pzdklG4atZTuWKcwFnFv7ojYZpxSq56RZPW4XQJC.9RNX38tICLIQOZmUbHJciqVfYf7WKOwYGV8DGyQg2N_64BBfVoAmHQksV0a.sMhce5Zz31Ym5LOCn7L3PLy5HImTrepujP_2HhR7NcZ_gAXydAeaREmMaHP1T3O3dB4hSM38UnhDofr61UXshhBZd3iz.6N1uVoXOp1c.C_zvWeDVB4SwVH6IT5n4m.ZuekbsfhhThnMo_kw8flH.fnrGAXaKDFUF9H2tMPKKmzWzwWzYs2nUzcsLM1abEuihzYNoI4I9x.775MfPBJGK7fzsl5gZKz4L_e9VBHc14rIsxd1VJt0rMHEZusPR6hxR3F9OCWtRiP8xk_25wDopSoXw9wb1qRRMbDrGjGoCUGd7iYNKtZgoflU_QuoHg9wOPOQJZzDkfT9g8_SbrZPo_Ru1B8T7xUvPw3GEvDrQj_Nv1_kxTPSjLicTqyxN60YBNw0RDeNqCMw5NfkDXcRVGk3LnVP_VNg.z7WlAWWB.nC.tbctjPMjQ1t.E.FE1CaAg2a0G9m0bpmFRxlWPnRcsyGD2zbf6LdugGtd4MzT_7URy8IJoSspjyRtAjzbSXCZMI_5znFdh2hZcQ7vQlDPdK0KnIaSWubm4BnbJrElCiqGDigRTkL6SMVO4aRmdrbB0G4Gmep8zUIYnigOy.gIEkicpKRDrkwzwJhw4eEzyydOVTh9193RyIn_U2.ulGLXuohA.UxE1T3PXEPfgibqnaf0kqR3HfMh8EOJ2IxZkZ0fveph95YAS7x06JJ6JqzywGyY5zzPsdfhNPmZ17fP_HoQ4IdF.yXQ7KA5u7FD3DHD3fL.Nji7e3UQVgvR2ng1kvGfNUHx7kQWnvOGXx0HjnTTBY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fafe37aa90d471';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\/9470582613?__cf_chl_rt_tk=fPGPx4_45pcW_u5BIq.VJso4GZDCSCdQ_aTxSLKfhxY-1739178909-1.0.1.1-r1oLljzf7VZ.mDI3hSuu2st9bXjNqSQ8mjiI1OPhBks" + 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