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-411333658473.mit-edu.top/post/2501879346

  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-411333658473.mit-edu.top",cType: 'managed',cRay: '91065d99cab53b24',cH: 'kLdiyiBWvsrltlKkThy7Uhi6MtWHUSBEJwJTwaXKrXs-1739298159-1.2.1.1-xpC4Em5Hrp0lwjtnzf9563PY6ndmaNyrGPaEuU.z0aPnX2lxgT6pEejY3zOLtVcb',cUPMDTk: "\/post\/2501879346?__cf_chl_tk=3xbncnmTxBPW_pUFPwx1KicVXhvOoabgxKPowMedGSk-1739298159-1.0.1.1-YqevhF0b5ddM8LEoZgDNKwKo.yiea8sqLEb22GqXr24",cFPWv: 'g',cITimeS: '1739298159',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2501879346?__cf_chl_f_tk=3xbncnmTxBPW_pUFPwx1KicVXhvOoabgxKPowMedGSk-1739298159-1.0.1.1-YqevhF0b5ddM8LEoZgDNKwKo.yiea8sqLEb22GqXr24",md: "HfKRB9q6B5FHI7Giae1TtfJ4T7ZhqvOROVLVGj.W3K4-1739298159-1.2.1.1-fVTexSr31Drn.7_d8BKGeT_VrjKOs.GnaZzDkrPk6nlz15P1tET0KrzdCoyrhNjXG3wER8BGBEyodsLZJ8rFWmIVzJEyD81wYF4T59e.7IA2owcYqVlA1q31ah7ssXHR6AWSaxvAcCFcJyGuEeOBzkcKwJkYM7wrUD05FLQEWoqrHKLUd22fnRrLtN7_0YJ1DeqtUSNFT_5xmezvaWA3uzO0S6VRbbUac7R6L5fOTOYiFFVpGZrycrcyhFF2jR1NLTqDHjB95KRJZV.PHIFfebfHB.zh0v4B.tXVmBWTFXN6an1x6AuA90Wg9cysEjipQcKMqqqtZCChkcSgQxO21G3evrSq8wVMIJJgk1Q5nd71fLWfkaMKl5_aFkFBE.4B.k23RdqMeuxiAd_cVcDk_bKBbxk6GmohKn5KmIPXw7ZiiEfErIujw7Y8HLnjkPPtZYtrRH9dgylWRUikrRZ3xUAY01Dt6XYcTo8dhf0qWRI2R7i5Ntc0a3laBYB8knlg1cNSyXkITdLsm1YjdAaD8Uqs_8L3gJOTT1VIzRGs7oV_XxPsTlbS8yJOqDutadY7CdSul53wYuEHttpNef7CNHzGNA.YQ1uPOK4o86j3yXcLqqhvvwIXyVHOf_z9aZmVLqGlS5gacO3AkqCwIadx82jPPvsWXPngSNYNjLECdiDM9G0l6u2Otm9sTdlqIPOiyplg0vTpsPXBdsmLedR.WegSu2es9xDLxHEPOdWZ5ENIrIegb6mxX55XXqpwnOUgPvcxJ391zw4X8ut5FPJxH0um340Y4Fdw2lPy4mU7WGLWEnuMN_Ik36dzkmafFf8yu2_nQMxfCnoTZK6v6Kt0bXf0C4Y8XtTukx0DN.Qzx0Gpn4etcXNYgpItprfxZO.Mtn4SeBaSVasEZurzYhBkwyVlWR9AzoiA7y.5tsSfqc6LtDz0QMUaGta_opvjsQNrTaRkzAZJEuPcsjUYhKfWsaqPeDZjMJCx3QeTOLrgaGEn1lmHMaymc4Malr3OFZCL5nhQEmA.Szewn2TqzPqJq6f.JzoJ0c2ir.J2Q5MoJZotZMlLZx_nA_3Py9MmnyoKHxAbFHtuy61boM8NtrAPk00ouzcwGYv6XI2fx.9uI1znMy_2dAeIGGmv6y2kSCFMLIqn_apo8shQ7GGcFyoRerbzM6lYEKygyvqK_uie8nUU6lAXMFz5kISWDJdWkl.D9mWepSkd3EmbT_jWhCuxJwIbSm0cVZcrS56Bu7S1yGcbgUc2qwAHHuVefDVNrV_I04fsVfoXze5tPUqklNN83ihM8Jko2pIISAFJDCogfRqdcychwpC6jaKlVvGsXDAut9fxtUpEAGf_0h1fWN81H3Vv3SiVtJbzZ3r85mXOrsKdpdxZNvHiW1hwRy0u8BHNYySCXx.9.KVRInVFtGjVx9bx3rwn8D0vPMmaAzsRXTYu7bmjqQdXWXq15vrU0sy0y6Ozr_lohbRCX97MXlqCrMl38_NbAenfbtMuDpb1hhwxZqJa6W6fNiLpcwljwKKiXiTvxbn3wm9uF42fhJPUY6uGFRNmriNB7Dh31IHCIs9JOGSHbh8MOYQVOIweiplMWrBDKvW15kP_YVPE1X9TkXXmQNN6AHARht7TT8jI5rF5LDxv7OO8fw5jd.xvDp5b82XDAyA5OhEcPuuY1E9PjCL1Ja57SHHUAxdotdjeoK8T4W.N2QCV.8ljGafweu7NMLjw98CcRkda9WfSD3lLKgAVtq.i0QlxVRjKSdL_S8sdtU8PMQYmAPJggT7fa32a1BskTXHUilB7seSGQa5zh50dSgK7c9ApR9XTN6oGG.yMOci7zKhE4aV.vXnhOgjea9p_ipsFuDG7q1OEwp5lK4s48K1I9qLkvH_CR1ys3a.a45WDQ4pffTNCWgQxQRXnRDLBcgHbAlIdkXuJkXyVq8SzRrCmDr9OsmMlqYxdZUMBC01PchVq4HATh5XW15Ef3H_jdvDE4GNNfkCw1zWHrYprONk.rCyxsorgJx0wAkLThU86Q4.9U2sLrNoXjUNx5wO2dztX60hBqgvZYsqQmvADuusfDj9KnRzNQ8pf93mfT08lvFVVAR3s4DOULBpkAi8gNmgWTJNv6HY5GeaiFgmvvNSozEkLWSyZifLrTqBp1fLiSmYaMOsRRHV90EHENKAGizkbklrAy.KPbc1BOo83RkDVRsW49MMkmtgKHtHJFBEWb9LWLB_rEv4BdLHz",mdrd: "Br3q.LuSKs9CcGdjhI8zefzaqCSnKU9xUBdXyQalzAU-1739298159-1.2.1.1-EAJdorsSYumlX3Z4ELbKsaXU2yeyAbSLv3lZWVcCeFVOBMse7D_Od3JFRQZCCY6VAYDZToJE9n7YRoeZZREfjw1TRaJca.qBcw79A6uLNKIlPs2DB.jDT_EZShymfZXGjPYdCI0U76s0i7buyEZxRD5yscZ3fi9Zf3dlEWF4sbMX21_pikZYtrv5apROHDzm.GsAsTQ5XF8NyaeWVb8lHPoCEfaREcGX2.LgCbienzREY6jUovheRDPqfjUTzmYDy4tY.O4nbVV_F1.3c1FuNA9x3ZJqSbu.9ZVuuBsA7_GAP1VOUWxRMCyYL5.YCzbOfNafdH0Ii.QGRsebUz_Ke2u_DXRXZARFZQ2ODG1QzE_qSdTpjFAJWQdxTOV9Oqzhujndy8CxKVEwrE8pWYHDypmudo8ZfdYfPX.aD.J.FUdT5sza2iw8FFrjohLce3WcmVLGbFwm4yJqmiAhhObVY.BXmGS0JiRT49NMEdHUvNm_pCldwC5PEecW_biuPHLxork0G4dTvsr58hUVsdJQnf1.krxx_b4NeJ2bouriWMUpFIL7id92t57fer6nqv_SIKAVbt_LLBi9vd_mNDmX30sJWSE20OIwEq7e1NL8_oPg09RaJdcZtKoChxRYH_rkxFFiKXIOPUNN4chpC5ymzncnZsnKJiyuxiEcxa80cf_IRozOd9RE0KhoeiKUVWGmbeYzAcdYJq00BEHnn3yomSx4NZrxhrQEkRj.esjRgxxW2cONWRYU8cbPGia7_NMmk7etdmxvro6lkZXCZnkFKRuwamVx8Pa.HHDc5o.pou1KHzzD.FOScIQNeLJDJSIiRkM2zXpW9FfFXqXAA8RyJ.DcxhSs2MpBzelegmBZhPAnODhJrY31Px.XCf7Ob7W.3ggKeAsyqZ92tw5h_sk0yfeOY.B3PFkMkfgXnGs1HIXEHxDi5cfk9JpehI8R7ULdabMVy_FJqwGDtcoVb.bKZdYISMvzjFwRMbObzm2SFxvPidtvWFE9kMEiq4hdzt0uhlsd9nYlei7__ix47Zjo_TM.oJMyPm0Q3x3RlzDLjGw6QK2S9jBgO3_JZ5nXSTvku614muGuOVj2wzfoFC72vHUU3v28VYNZEEmHRTY.4PIQ7wTvDeq53C5Z_0R.C.A_D1wekVsKqSzMakycuMljvwRCNoO0r98w8qTHUfyakipVP0CrI1KSVZAdC1aqx1aO_uMKYyF4A9g06pmvWOOjzXzAVkc.E1YaPevAkyc_QHYiKG7845DvtMgoahJXPaaDFTaxIRrbeo_JsgD9Y2Lj2IAgxBzo9QafK2.hWmxcWjgwRxws1kB6wEft9fboZNk0pTtVnHSxk_eBWyLf2gdc96meFcw7cIr70218h7GcNn91xfZlORw89qj2gmqSEghrxv.veRzx1vJ2K1.b_32svClCPidQgwiRjMGRz4GDsRAIVyGNtLU2SQonjepMm_CiQA0vZyuzqb_KNRi9C7hnTA0gH1TbtuiyPpqXyOlcGKH8IO_dpwr78Ytg.O6shnfHPEMQuOlV7mM6tLK_4BbwFBYHJVxewAfAg6X92Gxx2DzVViVzmICV_KAF2Nux_mhPKxzyFjYNmCOktJcxBM0gpvUM6rrs.KPZKPXsTdsGXYZKSqXKk9EXCu_ptvWwmTT3LktAMIOnuXYZFBI6.kkqkVKuWeAicDOivMiSm2tSLzJyj9NLv2YztCuecaUeZG2LIcfABpYlo6GDvAXxkVV6USPHsx_rD7EG3BH39FdRAJoX9CkQRPiXyEu7Fe5DrM4rFhKspkRfup.0VDiIw82WU3jS6OozwSeDNXYLmtBw8uM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91065d99cab53b24';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\/2501879346?__cf_chl_rt_tk=3xbncnmTxBPW_pUFPwx1KicVXhvOoabgxKPowMedGSk-1739298159-1.0.1.1-YqevhF0b5ddM8LEoZgDNKwKo.yiea8sqLEb22GqXr24" + 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