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-631954897571.mit-edu.top/post/9516473082

  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-631954897571.mit-edu.top",cType: 'managed',cRay: '90fcdb774f44c578',cH: 'FqPRnIALzQAx0OFLuTiMTwxj9_wIydSoMM1LyF95dPg-1739198457-1.2.1.1-hO_mL_Hnk61qeEUloIN1R.m4qu.hXUUfqt11zNsafPwNyW340RbJFlK5cIE7jaq1',cUPMDTk: "\/post\/9516473082?__cf_chl_tk=EJsNrfRg9gVDMo2EgTTssFuFw.Z3eD1GK7qFAkpYJbQ-1739198457-1.0.1.1-CvY4M8o78kzjGEgNjgQ.eZRqvHayJhw9.oMOmEnIYr4",cFPWv: 'g',cITimeS: '1739198457',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9516473082?__cf_chl_f_tk=EJsNrfRg9gVDMo2EgTTssFuFw.Z3eD1GK7qFAkpYJbQ-1739198457-1.0.1.1-CvY4M8o78kzjGEgNjgQ.eZRqvHayJhw9.oMOmEnIYr4",md: "2fUTVQipmR5RUNGUo4iTBKbdoZJD39ihCFHND9NMRHc-1739198457-1.2.1.1-KKpSeForwmqs4RFwgVhNIJEx2rdhT6MdRYzoskC8f61Sq.evYUt66lMtnPNkvST4pj_1eoOewGGWbV.84et7A0_ZEFcN8JW_el6A0D43v6NcTT76waGJtzCy0tXEH46wS96BDbUrJqyD2Y7A1yC311YbCyHJI_wEuU4JaSuZvnth0Gdeh9jUBQviRkzxlx4cmGX_LT.bFc.Kyxr8MOqnD6p2bYyz7f5B3vjf4wujuA.iJXmdtxWmugyPeIbbBZUSYi8pj_X4_4DvtRtaHQeQnMZOA8MBDTgq8cLJID78jLN5_1wMy_.5V3bGipPA6McoAnzJIz3JBgOj40jMsahmdbDYLXxJ1fR8l2ejxIpCqGRia7ovGyO8sRMLaScdiAVNrS3X46lW.V5Tfdz7oA2Gr_n1Lzd9Xjwt5qCeXh_e8.m9JRSBk5cFDsvUY9i_eZJOjOB8CDc64A_Gopdc1AKbQKTxki7YM4eNgM22OMc3Yselm69p.By4PoU0_GeoW7VB80iuOotT_KI1wQ3Ff5jNXFa7F8E.2Oe6qsiXHdBBufMbYE9CUTGEcjh55PQOzD7mYIa6pUssqBpCCnSjbde7fTrNlyh6ojxHekSHnltAuArKU7WFs7TizxaB6blyIoyLTuvUKl30PgYlhlynDS86OO6SbSTbnILoAM0c_mEnv2d0Ss5uIX8Hckgw9BoFEa1dQ7lrm9EjDQGUWcT2bMlntM6QHKODfLOtGibXtctE2Dhb44P10AxKyRF0y5nonHcWQHf_zAxHonWs4O1WcHVXAWRNJ0PxsUjf2sfATYky4N0ni4VlRe1Ij3n7uusnom0FEOMrDSJ52C7vX8Aby30eVdY5_9bq2q8qV7rCTLMUyXa20ekNoVOAbQ8Rs64mU0plYZjDKuZ4Stb.Yym28dpQ5uG_B9gKaIicJLjKAT7TCvSOwhITPmmQcq1Hd_rmAz.uKahz8D8TRiSj05GzyYuvGj2bC2NnZzmBSBOJwAKcBtg88XBbDpoRbx2OwxgrF6IV0Ob9XkMYfM47tze9w7.Cn9jd1dINU2Q6Xh6a5hQj3ZoxeX9IWilBe0YVVVeQJeM.dsUh8c7lx.XqDf5ISjhzBDJM3M.yxJspL9k9z235WScQWIS9faVY.lt7PsqlGI2q.SxPSYNfSl.RiVVxm0P3P23IrXhn_hwtqZexvtgBrgRgj8y.J7_1rlEnT5dWXQwWv4Uq46bxe0ZWuGC4OVcDOo._Mk7BFmhoXFd9U2UpFKprCM_0j0jUaj8cZdrx5u88yPpMxWOBHOARitGxfcY3xV_GyfJriwGtmmXXZB2qUIofl9Q9msOBwTIDgUCwDVwnWjZr0DvfjiKhSqB0so.gT1c7RBaFx9oEP7qzrB92kBgF9AH96BN18ec0Wl4wT.Ef4Tkqh4cdeqFJZdHrYMOl4sc5IMrc9glUoj9Ke1kfci97A3RzhM4jd5fFbMfj400TROqURJd1ZH0zyz.0NiYXvpJ4KjRt8QwmYXSs_MqhdyHzB98pYcdUsFh01s3zq2hWJ20__OkKCN4eRj5Af49tIEbkP6ciRKh2SiBtuLCLGGfT3se0S1QnSTgNPcbA6.tYbuORUDZjcwdlMx1tnYmprchAZBvhrfCVcMKlexx7nQjsa38qSDShVeoydBATE08i.ruJPiwgk.EqCbRNbNVotwMOuRE1zjtzLdwuGAHbdGSfgploDpKz5wO1PjnyOD_MaelrDJnOWCLfwgiOF8EmVPx89ZI7x7HqsFVESfmOjBfmtPBCyaTBBpa4WPXRMiwo44fDqyifjIjwZPgYKv2KhkUfYWQQ65A3UB.I_tumQprTvFX6ymyCO1tte608cDxEEGHWqS7cvizzOrrAerc1yp1rK9QN1dmMqbQHgs6LGcO4EVRvTXZjWAzLxwJs05.VRFSRPtexUuxqQzHRPJFxYVvWEE1.xxlJrXifzuBInLg2c.8uU2TDi8.DuRMHcFaKtJTlx1aptac10oui1_2vtW.82XO3vidTfw5Q65Xl6aN9u7eIKHPiqaG4xuVx2O_cH4JNSlpS9BVyptZs0g7Anncm9MR.b436hExUckQxeBynAE68FHnC_9xnIFIkUyr2EBd4Sp3BOfKpMpQEMsN7czgiN707duO.LL.FcZU5xoDpJo9Pj4D1JG0Rz2RsgMQKmMZX1.jiTt6wphwdb1TiJkUzhDlMkJowHS84LYKyeMwkQ0bs5WnN8DNvNtzKdh2o",mdrd: "kfEC3HcvjT4m7VmfnTHGg.k.CGPbLNs0f5OaSwZYduw-1739198457-1.2.1.1-TtOQbmVXjK7yeOQGYnbLvVq03LOc83bGRxrXAOchx5sd79vVq88E8JVvX02hgID44pdfWsPBxVlm6wRNU6Q8jRHV5dU4b62GNIL6TtPSbFO2af6Gp4cDsOxeUrNOINhgp3wJkRq8iSFZ78Nuu95tJdGcekwuUO8qPUinVefq8fpwqH1sIIEkQSTXxmkBF5_.TShO8m_veDeTcxfwCzcZsFXkkPK7m1EsOXk29.BGa3t_mC.Ic5yG396A0TeoZaDWZANcWgKzuARptYqK1ghh1zquiEPe5iJO_zfBxh6S.jsLfNKU6g1ryEfPEDMV6vsR7CPpLjJ8lCqvSuenGrbtOpuUY.RzGpk4MXQzP4cYTHCK_cP4u68190EVVVFKiExhCcywt_hLSwJ7iPDL72Hli5rriAIzvt6OXIs0xVjbe2OchyCAo.IzZ.GCGHV4eUMPHXYULCKxe3KhdGNo4GNZ5bznkAESuE3uwibkbzByyiBH7mSfir4fcAh0fKit7PFWp4wdz6sHb7hv5yDRZh9Ue7dM13Vg4j24I.eoUqAC7F4IWrGARIolWNhiXDrtdYJ7sgZBGrblizGwv9duZE3eJDCCL5BJ4LZankYvdxf9BNUs0IaN9dxwGEF5P3.G.OmNDIi4g6zi.pPubOd3GxQQHmqThu_xNDZbQ0kVHpNp0WprRTmAKzCBtlIZ9M2WuEO9taGCDTODoETrcVG0Iq9WvQ2C.lTl.jo1XsmKLQQ6CTr1kB2osufD0yit57R_dd2loEk5hkyHLX__v_sN8_RGAMdkhXXw5RsZJq.B6G7DOuL8Zu2Vw8ZxDFLl2robe9OzTGQQjcVMgdFxJuAYI4qz3QpohuBU1snkwLQ7JhU2n0X.trHqedNaf8IHNLRL0ZF4yK2Fz_wVFqdtC0V22XJES22_9qPNv44aNW0UTdi1V7PYFp3XNAQy8AsMHC03i_LI8s9GN78wU_.8KGH6cgDKxcOPAz5G5mETt7JjmgAdcOx1FbIwZjVQWD9NElzrtDHXinB8i1KzL.zrXJjpYrtJNDrcSBo.gzTacLCAbCK0MRSGUn9j9GmhWFJhIhqtEQyaxNIO4ibnn6ma3B4rbILtug54QedYNV1fxNJ7XaIJe7lsGZC9J0HzWBhPH7_oHBhyhH_uKhsqHI9YbNp6ZL2.4mBaCC6KIlsgmzf77FSrrpUnqIyAqzk4lYD5erRLQ0HetGqBxTNnoY6NDZrmlDve6Dk52gvglkbWY.bZKbm9aWgvcNZXe0p6wnGh2GU6HEzGWy9pMsuulU3BWyEtINbqECOIk80sbg708yOlN7lqVAinOLTxOxTwvXjfFRA4Oc8MB3rwBtXBG844WytBQD.PjwzwV0RlqzCHTXRKDaqj5hdiET8NzHkk_L6pZJ2aKsa6y7_vr1dxF7WvPBLpsfx.B466VCNo56UDTO1e.yYUn1PpIv9NgewLsZ2HfRX_R1t7cptLZ4IFCUrolvRlwqMf4q3aX85YzODrIeVwvKbgQ.h3oQrGvL1By9ZM9UmcirpnnUyzQR4gxvxxWhrSCaK01J1bypb45qRvvywvXy2p3eQaExbfRUdLJmnd7zeXraj6Z6yuYRt5JxGvGYSGrp23UcdmWCvgbYDU61l_.3X1IowHuVqs8emQpwEWek9v1xH8vP6MEXSUiddAPLCD5pMK9nGdV1haW44.sDA3FfoZznxnnuGeQ31y4DIF4f9RQMT.XfB8SJUHP5jzWnp.Yn05ktbT1ZN.CGJUg7lx1b44BuA8ToOpS9eVC0Pamp1sVlrogf1G2BOhXSQb0USLMpsTH1CRqoHv.oJ.itg1zSLAD_Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcdb774f44c578';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\/9516473082?__cf_chl_rt_tk=EJsNrfRg9gVDMo2EgTTssFuFw.Z3eD1GK7qFAkpYJbQ-1739198457-1.0.1.1-CvY4M8o78kzjGEgNjgQ.eZRqvHayJhw9.oMOmEnIYr4" + 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