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-552648734133.mit-edu.top/post/4062893751

  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-552648734133.mit-edu.top",cType: 'managed',cRay: '90f7b020ab1bd6f5',cH: 'b8HGpq_gLPrKi3f9gCNPPwM9_aIY4H5n4D_qCr.mCRw-1739144253-1.2.1.1-5MfFr77NybcxAh.Bz7QpiT0h09AReWDr8aQSOlNAhR7YnBF2BUQQTMfhlY47kj5U',cUPMDTk: "\/post\/4062893751?__cf_chl_tk=MqwPQO7ecP6BdHsb7Bo9kkbHBx3W_JP9mHP0F3btIig-1739144253-1.0.1.1-cP0QQp3gi22BXHYgiRtBNlQ7g0KNoLe_DP6BldPDLEE",cFPWv: 'g',cITimeS: '1739144253',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4062893751?__cf_chl_f_tk=MqwPQO7ecP6BdHsb7Bo9kkbHBx3W_JP9mHP0F3btIig-1739144253-1.0.1.1-cP0QQp3gi22BXHYgiRtBNlQ7g0KNoLe_DP6BldPDLEE",md: "mfa_1T5vX8gIffBGmZN8Aa131KYHsNLbbL6dSf.x69U-1739144253-1.2.1.1-7qQkOkXIuglTFzYcBTCeulrE2tT9TwF6cx9Io5xy398MyXYOSS3z0jP3mZ8py2Ci8ETX69k2_nzbSGhlPI3cJbG.b_0WBvsqpfeNuMJYX2DMyZu8FS8O3LKJdOphY9YQI26LG9QkWvZKyEgo9bGHaK1uXRC840.VlVS5F3QBHSoFVtiso3vxMaRHt8rFfgemhmkxOtyyW_KdVl0TBbUCS.Kl8Q8Srgbf6nbxAWz8vDvZC_WxAQpi5oitvC_iA1aUEiWbMLkKUOZE4JBuH8TivIAUppH8Fu2bdJNA80BfJnDikAtiAnqC6y8W4actwat1OF0OqlKx6mSVw3hD0Td1J6TvqUf7RzjoYy__RcMV9tRO8gdFfqHa073t7_c79Hq_4OgMp617raU00X_89UHOwhU21l0C4wFL12yglzg6gRrzaZ_jBECtusZHQFlB3AgF6f2RXjhbaplIiLlBfd44eNWXT1L9ocwswFitGg8WSa7bpSi6hufEApsU5qZHg_P9fNtHg_lF12KfipCQLfIFiKph98sOYVsZdyxkU4MUnypk6TNI_w9RuvBm9SAgJorvCOIZLvi7S3ibSfvQPJ7chLVdL2Rqaod6vMkOfnYCTpiU_6s0rmnsNSQyhuiklH5ZvJuMvEY6ucKiJVcjzA9r6VHyTDRDq3SAeKNFXRrWHXX.OBScEzctXOQbB40RlQTDW1FMcMTuc0jWcP..6Tz0tqhxaynjNz2eVJqXJMijBSpPNHYUYDmeZgLwGTRtQCd5ovC.Get3cLbwyQ1BNR0r00xT7OGHq4NAKMy6iJ1_JRHMhXi.abJpnQF50cE3ttRbVYSDS1f3sK3WzNvNXE9d6l4zyoZiCiFTgQW3gRQCBWIADhKUEZqiCHEYPOKzyZNcpAmJFGAJ.0Li.LTC0.meo0u0Ve_qjPXTNcdIF70MpRNPHQNFHMqZ6o8jYeljOkiOdek7uosmQD_5FVqGFzJpCuccrdPm84zzK88P36jzd3H4qwTb8ehiDVfAOv3GhqDRs3WMioswINnhU.Lh5cLZpNe78WS9c8a1c0O2TsW4ql8r0hCTZH2Py2fXdISezZ8MviVVpPUPwLeBrWA8EBIqE1GYGLleJn6EtSRkenF4umPOXsP.eUzjLWtVp55cdyLSAW7JD7cj.RSK.pGmTuajs.5k1l_.ipGbg9s2XjT5Q0kGNEFHMb2KiFAyaYI0aRYc1iE9aEAOq4.vGX1pKwoX5Uel5LHn2HV9QERixcTur1bRQ9L5lqoD25WfrknV7KQeZIOrnbeyld_ZJjjBVmWV_YurBzAMsxRg9xYgSE06N5u3fSlAi3LhxhnqndEC8VVmnpYdmWnPAlcraogpsJ14jLXbAy2mI2XhnFd.pA6lCo0vsvlvhYYkSlzh1BDl5u4GjEEYTO3EfKI.AyMNxf6KDLzDUu0P29UgArybHz9.lIJZT2Q32EZqx3aAcQtE1Rs9dQV8wwGMP2sdIgTsBHhuUaPFWX2EC4oZTHUgOwKdbOUT2SaKqUL1rHYWps77sPyPQiAGlquCuNw9ckRIRzxaqw86ex_fya3mbywUf3A7yQtvby_zV9owMf0RsuuatvbZGbc4DAIMu9ls.y61lhgQ5EfdJrM.SHRyyofdy8auYQaCVnPKi6MFMxVyvRM4moNhUaMHR07cHNfDQ4H_7bOyDasb5zZfgX2BltIZ78gCZj6evITMk6RV7EqWzhI7KyOw7P1L2qb92TAa3IQmal9Q4R7Sd5nwbOHr9zVPqm1Iv.qPktZo74mno3YQ6M_oBCvr0mQiyxKaL8.GsGqXHIksoTUqE1gcp9qsG_fnZ9BvUYs3ST.e.UNv..HGmZGmjDMUg.ZpPhxPYL00WOS8Sjfe0k181cCcdSEI4qOJtZ8QlJ8g2Ub24ADSlJyYkL0mFGRYwjHw_iVC6Xhv7rQzwxcJhixJSCGhIBkBGfzT_uYeoHmPW5PBv5HBomlZhkUVIC0xizsHTnPQn8tB6hsAYDXFPE1IONBp7FBJMHA3d0IRlXE4yUE12IERIbqtl9CwRAPpwZRJAAGpieiT1.PYLsIRhNxZs4b6KZPM9VASJFtVHB7i2zy6_sx93qGEY5BDcZ_t4BbJyMVI9CzuL3eFRWUqo4e_qbzdNTrTG9oYRN5PVZ4WRlGoa6I2fXoW91mlxZxgJW2n_3rSWcIHw4ru8QQXIUfQ8R.lAk7Ss8OdXaEXTfmdB7vrjoFz5nEJ_quZ0tnn",mdrd: "mWMUqi9MPhVugc8T3UgYkbvs6pabjGgskmRlZrDc1xg-1739144253-1.2.1.1-k8tbuytfYKpfa0eNGJ27bZpinSHCoTnJ3H0jmeU4Zpf_1wv.TGfH29Iu5MH74vdMkP5nuYMVJNbcUQMqG44ueGYavk_Orf0wXFJAtUc3yIjuHgGgIBUwUINjDujEC.otigI9JWOZzpMokq3SxJPwDA7jH35fQTCgwpnF2oqXHGDlb6kuys8hyXfY5.aLUstMnNzfdovI0zMcyDkXcP1KUDcyk_.hG5nr_NMmnm08C5duJCGunErNX0yhFw.ex13o7SCF3AgsVDPZOGGaJZk4OVVoRl6OC.kSpDwYb.RZUIsPwV9_3KTiYe.gZUiTT11kJYgbSw_EkB.r7Z5RqOzGE6Nr6gDdj1FrtWKRgOhmiu0hs7zH49QeW8nUtskBJT.wTdNpdV18VZvIxwstMNTnE.2G08KnG8a6cSz4xrp9p6SCMDpjTnAkUcIGnOBmExEgketgtQcJ_QxGIfANZ5hfWAuUzSlda4tcMcqqLOj1ZGtKs03_daewo0hCZ_IfT_su_bvqWTXT5nEcTfU9AzbN4xGB8GicXXb7gft7C9VUHKyhdZ1.xuHJccaU1a0HFpYTUcetzzZF.GVtrxZP9.oyRbLdV39BbDfxoX7H1zqV9Ce279hT4brUCUiBWUT1yWG__pGt30ls2n_89w.YIblQF7CyF.5lsZTcameb7.aSpjv6NTYbSs4duZIzTwqnyIckpRn34Yn9KQrhwTjL0ySv.VctFLinPLNxIri..Ml8VtiNdn3bIQfoILYH.MUwj9wJwee5TI5ZQVC3bCYA6k650Vv9x7185mDOgq.y1IFAvwImnT7TfOWx0m9tbOsznwsZiZ1BJDjcIVq_C8XlbPPDmrlIsHyiC4vSlwmbYBx_SqxkfauuhMZZOJHC6vBYGMcdWTMVu422qQdSdNV_FXo7yVgiuXvN9_KJMU11n0zqBFc1mGi3BBCKWCJwULa_LbJjVXsjFmoYoJ8cJWRHO3FUvqkNRfkEnEmMf7rkErOQ9.EVMT2hAjsc4qVSYx3SDTS_htbCJBqArk1LQ8gNyjKWURthKnlU958VMfIOpXzS9ttzg0dK0WGpoP0a3UgXp5c33F2uuQy_wgQFFcG2570oOP.dYibANpNFi_ZEUKNY.Kvla6tAh8GaUgepY76ARWYraigrZfK5NSAC4sdPiCGm1uKmvPjeeWGqvSA2eSi.xQDuWOtSyy_71jPBNvPzOpf.AjCe8iiVg8HwfaWmkKxBwf8xtb4Ka7V0hmdaVDxlaOJyeWQqWnDxlN6VoCjYZhOQVVWg6xMqgOpK0CAubixI1kLrjjT6Cwv73t34QUh_P8fjfgqPVUlv.99JIYkpDYNv.VwfRn1WP_q9xUx0DL6UdqgME4zb2oqG7qR9nM6xwS.YsG6dWA35hQ4B_5ARJnwZP426NBsnb4KkqrXLsoQTNWuJkKyQ5m38D3tORTaDIip6FwSPW3M_diK.l6bMeTli758ua3fCWmpHGleUzW81j6eCHULN89T0vuC17bCXFileRbpggh2k_Ij1I77okdzXHGfLmq6UHHooukeqMAe4alEK.Z4eSMeO7RRFNmXf8.WmIJA1ggNTnHhTp6jqWYX.9zMwxkEpwyXxpWF0Jcwo2PqGLOBlOSQg.AUoc4RHI4Zxf6NMOqSb0o8Iv9f5NNWyuz_aPbGd8SOKIaz9OAzQg.4N5phupvyvzLAxq5HsMb.mqWRxgQlxpXNhxMLcOfIsyta5Ocj5ZwLfPSJqssweZwTy.L4ZYTzCwox8gTxNJYjNlBDu0AuKvipHQ7Sijw0P8j9FDRxT2PaHaN4t9i4Pc9vChmScWgiFjcBLsJ5nCT6kbJGq1tadWEDCN72bWmp8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b020ab1bd6f5';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\/4062893751?__cf_chl_rt_tk=MqwPQO7ecP6BdHsb7Bo9kkbHBx3W_JP9mHP0F3btIig-1739144253-1.0.1.1-cP0QQp3gi22BXHYgiRtBNlQ7g0KNoLe_DP6BldPDLEE" + 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