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://529812.mit-edu.top/post/6837219045

  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: "529812.mit-edu.top",cType: 'managed',cRay: '90f61f7bfd9f87a3',cH: 'hBQ2cAyqj9c0NlSLUXxWkHqPIZvz9h7fDAvBC6Lz3Sg-1739127843-1.2.1.1-dSxCeC3b6mZEm8oD8FTLoQ0zCUP8Qco_8mNilvB1Q7U59WXjcdE43KNXlUrWktVc',cUPMDTk: "\/post\/6837219045?__cf_chl_tk=haXiwdUZ3EnldYOsif8..yOyochzzBCoCwCWxnrwCO8-1739127843-1.0.1.1-OujTW8XuFb.i4OTOyGoGXupaF2Dzzff7vb7Qo.z_cl4",cFPWv: 'g',cITimeS: '1739127843',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6837219045?__cf_chl_f_tk=haXiwdUZ3EnldYOsif8..yOyochzzBCoCwCWxnrwCO8-1739127843-1.0.1.1-OujTW8XuFb.i4OTOyGoGXupaF2Dzzff7vb7Qo.z_cl4",md: "Gt7l5sL20axhT19iEu3G3RwbYfaJj20FY0AijZj99nk-1739127843-1.2.1.1-YaZSrqa8QGKwiD_5.l_EAep2b1H0ugo0Xg.FGcw5qIwatiPtzhbZqxametSC2tFasd2FqdYWIWuOWuhSRM3_0H6EZiwWhBWQqspauVKwHAm.nbA7l8ZlLxhhEZqM0rD3p4gOs9HX6RgQWXP8GJ.2DlSyUbV3jxzyKrf3eZ8pOx7RG8YK9GyriFWI_ErjdMIY9XwcDHmRDJFLFLZZSjfQUAH0xRpNkQmdxdDPdzfsx30GHgozPAJ0ecApEPmdvQgcfodn1kovW_QwSJsl4UEjQzwGmIRWZ1y9taCcVAOkE3pP7sjytDbLgdBj6YnKBS9i7lS2myx9sOAwnEhRjGHvVH9qTrBAYacALq785PO3.ht0cwRvZmiddC7gnTQ4SOlhXLW19vbgSSNHxrRW1Sp77vUT.Jh.5vfcg.I5BSAMeW1v3HHdQz7TRvt8bvvBD_H4CyLrKd2Q2G3EZOMQc.zqh8S5TrXa8SXrdNO4MHRtinS1xLDsYEc8Alf.jIChO7Ii7Smpq5Ye8QzjUQpDYFa4P.PpwVILuUVxNkpGV6nnCd3JHg0zcxK8ndU9dBCnrn6peZAPPJT1Ne5mVw0pdWMY8WXQ5lqGyv3rXc6yCKy1RTqLpDJRybPZAUM4OCp.N_CF73zpuzugW.Z_SOES2LxQRo33RctOCwFz7b4a1gi.YIrcxuTdEUxaEatwPaVpoPpXlUNUctcibkgjyU0U27vqUC1XBQhf00yt6cgTGuLD874WfpE9_k3ivslEoGIaKzjGWM7B_T7up..YsAPcmpmrj857ooDlG7Es8tUObxYGGGF1jQYAfnVHMMzKvTrBENzuDFzKRrt_DTiFG3_ux.1vSzHnx6rzUj_6DXxpojaCtP_vszVWfT_p_uHsagojK_UFo8yEhbKZX9V0aJgecs0.RocnMy0FwT2AUXsEuA81Tfn3F_sIPHKJOLAHx7ByRG5S4OBYLH071QbR5yQcPwsiSYhmOC4WqYUj6kmVlg41GwLOK6tJ56HWvUqp7b48jYMamUml26Dl_..rEjgcdwTFIvcIWButwCW6WVIJeLJ526UvdphFiPuB0myzEp.wMAxfQIap3dz5MMr86NLdLfeNa7ny1C3gwlOTUPFsF9MML.UnE4TwvqnJRtm5hr3pwcm4yFb4S9wl1F0pO3_d4oXEo_QoMNrpkJpQvbi6X5q73p4anT0J1rDPYuulapZBndqbpxvf4aROVyH_ojtIBfE7xifzLKHQtSU.0E6CKnC.PLcjMNFz.pY8gwwr78zUfPQu.K_OT7aiE3vxbc.qfErU2tj6739Mtfuc9Htm.wT4MOCGE1Y_tkotMhVus1X1HglzZAR028JxQL9J_E9y3iZ.6zAPinfNfWhb7M9B6jS2PbQKxRgP..feWQfCnMG4oE1YTMeNIY2oKP1Nby_zrmCf0E4e9elPYdi6Tnb6.o2uohiz5ZMpkNWrReQK_Td3Kr0Q90Pj5NI81mP9E7cZkraPHziTuQtZwnHfphhhtQM2HbD58WiBdVnSqwKJ5RNG6d30U0nNz1tDnnXTf3XS7YY6ABmeZxbpBBpKwZ3nzKWgh7FAUdHMPpFSslR9tMwOgjq8.7a4_j9bMhsNP0S_.P5RTdsswm_9gDCQZr4YO42OEUW8rRPzYS6qIhPqWxQli5u1WbGcnLv2Jw5wXd8NarzmduzZjgBdehE_BUB9I.sg6RImpjtv6JwByKStecLTsVoUorJuQ5ryl6FcE6BvlaFezzOZWjwuzkIRlENqffi58YFFpmyhs_TasVASKFcT8KYBeV2WdRb.nn21jy6Hjtl.9UD1RDKldR77D5ctaK4EscyogcgtLmUcH5aJCYOpMCpwjOQxsRyCjVCG3m0oWSz67t1qdymOSDQVHxjWGXNSKwEd4h.ozRFJrl7vZVmbf0pnZCVtN.fKqyFL70mlcv6C.AHScnn0SRPksBJdN_YiPaBRxIoSIULTaqOrF28JYVJ4hIO12bmc8g3UXSj7wRo9Uk4YOhPG5ja9KDvUwEuw2jpU_oz.7m8Z0AjpgibrsddkyEasNeaa.Q9BFLxfhxfZraOfPsSE.OqgqMyFIa80n9vj509D2lBD48dsm6iSsMDLs9d_6QKCAb91mmQiEFFPka868rpp11X_dwvTT9tz3c8dcjxbWaJtdGj4I0O_tk83pXHKqGw489gnzfVNYYlXHcG3bW1XOPwmw.hS74E6GVc",mdrd: "Rg4MlwDvTL8I44fluedckm5YFPmzwFyA1cHq3J4IXbo-1739127843-1.2.1.1-EaVTyy6a7EjFeRch8HfL75GtkaI3vnGw.dtHqVRnV19lOuAxyVYe5grvswERbe12YJ1FTjJaQC4o08En_ErX6u6MN6ARGlYPgG502jefxEx8dNHrzUxzOU7EjdgMKdS53xbEbwVTfsxYu09c6cMKvNGUCEvPpGXBj9jcoRfEHQkbMcVmQpO2yR8sMaDbap8rcnLPVWYSkbSslQPE1QWgLorz_cA5r042KGTMgSf61q9PoefH4eBM_iY73lm8lsJS_0gX1pcQbuy5oHbNKS0gnRZKF1GCSccdcTcXLgANKHcBEZwI5tHXGan05G918uE4rzSIua7XGPQkep63MZde6zUhBautqTNzw1XMUQsO486OjD5pxqR0wUGwG.UghMUcU7HUT5Nemtl.OUB8QptkCtRL5OMLAKwS4XEj_Q6DF.QUdqc62UFngePizLazKAIi7yO6L2OTYUVlaTULqtyV3KbHOraxCdH9tl9IzJGM15c2brpak0Mz69a4.ew7QRS4cxFPqNQuvFThxQczjkKApwlGS10K5342Yj0zgfbvOpvfM2qnIi95QHNOWvV6MGrYLugmgMMQYsXhKBIjXLWvKH.ZxyhJG1Wf4ZtoPQWZE08aonWd7f9LSGrycN2fKWbNJhffzMouAV.uYCfaIv9Rs1bg7qEg29sbuYI5Bed92PToU9E.D06A0FlDww6eSq9tMoEegcEHgJcPt5XFI8eT3Ninfj1lNZGQiD0hmnOAD_pEoigxE3OCrbz7mBL_3exny1ksi135.JOiipJ9aTnYt9UgWBlG0YYjzrlgssp57pqdIEJlDNxt_DOzVEoS8XdNNDl23o02mmpe2LNoERkFnxl1ikkEBw7QkRJqrC9V2MrLPY9U4txh.krsemFW6BRTCU94w8FqctiJPE_99TdgEwc.sw9j7HSJR_09GQJnUbPoIZmLcYgTQpWKzsechiG9nvrLJdtv3EgERn2QdaHXLbqNksepo3aVCrnxxjmWqR6wG3mV6CxVtMN7d8nncqQv0_UBFU7G5bIcoLmUClDw57m8Mjd543wr13zA_cL_CftfC3iqNo4RpQFq0drpX0ffwaNsN6VrRiXs8kX6nIulZHf2FeKMIxJpa9C8uJ1FwA6lLz8tweO5lAsSTCRlJUanhMDDUVuTPYZ2OwizkaU4yY3uGOGuQLKLAjN8QY2AEWzFUXq35FHeHeHxS._X46F0fyB2qdjuM3NyA.6ADvnJmgzesTHzspzNFHLqRmMDGUQLR_88AuyU00PwwRo2frcyuQU1z9vFvHTuhHEPeeqpH1vPG9QahnyefUNgF_WJ_P8BXHC6jYzbWD4WuJQ7QNHllyt2wMP2IG2mQ2.h0OsTME8GFiCGsTDhZ9pweurrJ6uQAUjKCmPYuAPFAlS9ykY_ECJiC4fG1xCCBQ.nEfxE6dA.1Moec.LNFBnKzY7GA7eiXSNC2RKHg616lTiSCrUAlxB20BcyHZtRtnabDTlxwCwkxFR8wwkZiGtMkSnnAsqb.Rfvy0aM6uMVoN1oJAQJ1NcCPLgTdLRxK10aWO72q.Qr8AnNQ1LMzpuGw06YkmK_cX9ILFDDJz_E7G7Ki6ZVaaEIYBew7O3ROk.1sYddQabZO1NbtVM6oG7OGK5O.cAR7U0qz6gFttpWeZvNH3OAIXJqJCjYRjDK1lGfASPLSUjDJVIEMjFgQrsfyORX4i05b5nfJWgKKss0jn.HRUxTDwgcOtk.6EJL23VV8pfq0XcydDQPC12wELDfWABpzkYeNeKh4oSIO4jBaotj0M1x"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61f7bfd9f87a3';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\/6837219045?__cf_chl_rt_tk=haXiwdUZ3EnldYOsif8..yOyochzzBCoCwCWxnrwCO8-1739127843-1.0.1.1-OujTW8XuFb.i4OTOyGoGXupaF2Dzzff7vb7Qo.z_cl4" + 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