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-089664768375.mit-edu.top/post/0167294583

  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-089664768375.mit-edu.top",cType: 'managed',cRay: '90f376f09a70065a',cH: '7mU0Sm8FLg_9cdeWR6xrE4F2AOldaNHP5OIBpxqQMLE-1739099968-1.2.1.1-pZrJWyTvTy1JWOUJJw0Wd5l80aHUmCBcXPiTvt0V5kZW9olHsrXpNQ16zlAVdnFs',cUPMDTk: "\/post\/0167294583?__cf_chl_tk=_O7fT91XNBmLPvCb2n9rUuP34iB02q7quSp8smka648-1739099968-1.0.1.1-Gd3zexcNoRxKT8AQBqABWS7yxlf5XEoyoU6aUVAX9HQ",cFPWv: 'g',cITimeS: '1739099968',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0167294583?__cf_chl_f_tk=_O7fT91XNBmLPvCb2n9rUuP34iB02q7quSp8smka648-1739099968-1.0.1.1-Gd3zexcNoRxKT8AQBqABWS7yxlf5XEoyoU6aUVAX9HQ",md: "LtUhkxOI4hTGx_Pg7mgy9btsKv9mGwwrioj4WBv59zM-1739099968-1.2.1.1-ei4PFirlq8WMD58_o9pEAz7Vzz4lO0hMGlOoGf1PU9ATlAbmIMWGcuqChladaGlj3mcjJX5Wkh4BGB5e4CGnsPl2fisxAl6AqAekIENMS8TBHiN8kijlhz60HaUtxXVY2V5g5GuIymbmRx1LJ80ex3zRy.9G0NO1rpPYKrwtOmma4rC8sPWYGEW.NGjnJaR8_mvZ93k2KP_kZzXvJj2LGYe_or2l_pJUSa_NmUGmnUn6Otr23SRX.V17zu7J5hLE51dqTo9hF2p2HTiC3FG7jL18UHMu7o0cveKUu8xtcOHsjMv_JAk3JtfjZwGFWIs2lBlIjBYFdxL7g8ps2uJ7Pa5RNoJ2JrGvVuNqeQjHdPiHLC_Jg70nI0pAEfj.tQyTSc3JI4WM8gtRj_Nt46xTifFxGt4uw6pAUqutNZ.ukvzlU4nhwLHmOKhM.Afl24IIEDdlNu3M1wOL2Mol0ixvDtNDIDbWu70yxMFH0ExQLBgvEKZOOkq9JIxFDCEracrPjjI6DjZcsi8jG1UARAoA5NYeCZ4QGhI_4_92sLzJ8uk6OiorGJswx_4xvLLd8w0apSFq2pOhSuYIf2TuFOHanst.fDsgLOQKYHGVmv4otPz0IfGYARVfDgFf15JkRAg9bbw9f8GZoeeTonNnhz0xjJEmq.ISHZ822b5ijjwiGrjRr8OHS_CGw412A9fhgAUZAhFVwjC58zBzvtYUxmeHWbrHDEwJql5QRG0B5v2nn7sQAhIOSD5YX_53uotLGyZv0VvI7kx8pAfCHHIT97nCuA4tabHJepsktfthPM0AMwO6lr.IMD0S0z2jN28FGm3HeC2FPGbZKRimyLbYA..Hxhj.YxufpDQMDsPaLMLcXmIVFGlwf2M3pNVdMOrNunDNXADn3ksZnxT0IVZpQeeHsdEr3yBaplux8ruE_DMn.6VP.bsn4l0Epkhlo762sBtAoOJ3uFm075GDzaZZCjZcoecLmji8vwLzhmR6zqSX3sNtCSf6_nGq1nSSh4a8Ia3g1ggouuhx8umZiYhefx4PQXDaETs3oF.cYlR9nxuWVVCuBSVCC0zLDb2_j0hOQyOAbRphw9LteCc35JImmwM46CrqJdQxcsdPHgt5EA1B_U.Wfkbak3R5VbG_SJMcV_Ct_miyqnikOnJFAEAbQYze46XopaVGSQN4HMQrUxZiR4kH98GYdX09H9NNjMbY4Y302lUgOacxfTZS2NLMn6622kdTTqBWqDrMiBEqvgPGfMEskmzwtUUOo36JqcsqLISKp0i1co4Xna.YpDoNn0Ll_KHGWHRqOWnswhXV1AGQ60EWbZbBj2EknXAxwyH5f77hATZPI6Xotl_Y5Wi0k4Au3KjIM7oKkWzh_O5v8RTWKaBzYQcfSCFL3ieb4hiVSsJ5ZVC10bATJXgDOF6.ae7k6XwNj2ByBUAV3ObrVAhd5GjTV6WsU4r.g7KqBtbXPhsTuw1Okjg2.BfP1xYopq3d.OUV8mhEbOGNQ3B7uj60rfC519.53tBXhxvvVF2yGGoM9kgMNpUqdUdOmk1eNqtSaHgqln1QgVmvA3tR2DYN8BoJDixBlgnaWdee9d.mXkPwDTmvHH1TFfz5Emh.F6E4jj3bgmFDsNa_JbO0I6y_nLxZeSq8LFLTELftrU82tH8BivxT4dfGAEJyHiJMEAK9z98hx4jyqoTi.DYAxKmP3JbYscUQ.Qn22q.FhPwN4XwZx_abTHFHTeE4Q0pXBTc3OaLrDuWh9Hh01qKG7aG1Q7a9Uj79dYOiDn0lR6.J5O0NicBSJLuCjKsI6ls0ViLYM4YZ_7QS2TLPqyAk6XHxbetb.kQkqk1lJQ1McCrd1S_TU27.T8z5pWPVi.Aqmthshd803kT4BD6HC64RUWVjNuhwAdvwPQF5oJm8hXI2_nsBjjZQBrkKsWOd.o0ZHM2KIGmXk7b3_O99n4bUyMhSK07UypuijYuSnjplMlqGgo0QX3Ey6Y2ytsG.wv58r1PnVhUu6A4JizRLOr1lrad24xAutqkRB8GpaIYhjzXAH3kEfweGDPqkNzeXZwp3lVXbI2biKly0qDWOI8JH.slrd0FcaImwflJmm7ZFcOJbWojL7uMKz6NfO5ZXYTh3YDgy_jqhWLEKpUdZEKtpecLI1FtFrO9LjndfeVFZqup18wamoqTlkhifFxhUTrd.87JkTBD8h_imdlXJrZIQIE1MUPAqc65R1tLvWuqHImy770Qr",mdrd: "a3l8ZqHGaJqFYUkb_77NzJYt5Pa7o4fXfSziYjCUTOs-1739099968-1.2.1.1-XshvHplbCAtTPXUvf8qaxJJtSp761iT1GCaMn.hefReDFiru1JrbdAik9zwxgQebAglEHAycZNqRk6rz4vyHAbafIijzCoUT9gqdkL13_9nSsOHw6fsDEa8i5e8i_sf2HF84mZDsEXDFo32dcY7KhnqA9JYY2p.vETSv1Cq2Mvn_v__zmfeZRm9EsfBYh8yAJ4Nl4O.uZajQjrrFI0kVVGWM8wAIytg7YiCMWNpGNRCGPdblpgwvE2TUbKdS0W_97BZ7ycX_e2UuwTSGQZBCKyQdKDR9lzYy5qckNhYLx2jfXOQdUSjs7OTM.WsN67hnSip94FO2BS5kADlcFBzapxR0mRdWrYA.ZvHAEb0UXoEKFUsH6sTP7vuBFy9u5vA9PoaiZYwd67nKU5XJPlk5S6AgrvZb55GOk48uPuD9U0vY7M_DxZeLzOhWPJUtoZUG.Xo4eG_WV5FV2PgDwgS7Near86zYSJpKRbJxn1XA7aadRivgm5STDs0GDljGLCWzPg8NSV_yZ81rGnNTdA_miYuls2sx9UQ0AbwZTBmp0sLCKDFoBlMxouQFV4tof3u9Efi7nslkLTGiyMhq7HeV6rTfhVQIZDfjiatDeiQ8Mv.vIY3DvkNTFGZ8Jdy0s7xjMEloapxj67FglQmgItccilpNsiAeYAMLDSNe0osbVKilKQnZixA4_9zqxt2nHzLVW3AJXFymma_psmcYBFGp..2MjJ26mfCFl3E9GyzhB4PhJnB.MeqrXYcsDTUc.xhUi.nfmJ3scwwz17C1gRUCpYMUj.t25ntHBSgHqU7MqL.mM52nfdI71GxCpggOaFuVPb1dNkOD5EtgRZzIgH6y9YXRfoFFBEPXNaOsUhjfcoytNYzFkv.OGG56rGCzWulx_hK8EgAkYf5DP8XhrDPNjXiDJ8R4ZUMquCLKARGk9Py_zdCa75SC9DVu0VdehxMWgBrIlKg2Fj5f2iUR1oagxSRt0OeAlAxt43Vuhjod5C496rBICPPPwt2AMXM90aU0Lc_aesNvVWrSUkPsGqZZa_KVrvd0f6rPMeNJttRiCDtmRZm2bfKD5FPNAg32iXBaFF88iEUIo0i4riUEMcYnVX3gofLQL1vEB0NiRk9xZaLqbaiEfXTdYVU82qdglwgiuq.zxnuge0vAclqJ9cYYBMfR83Y238Xr8qZuoH10Na6rb2H2_9YKts2ZMDRe2dnX6C3hfXtufq3jh96v3zCuiYqCuAOC2aef4R.rvyevK0Z4zMXAYIr5z9P36bq1mfc5cQV_EZeRJsPWXacrRYY3nws5mgRS_IkrimvaQ3qxtkq4SFnclNMVxItWP2UDjS6o0kVhV8BwayoKAuGkzFBFOns.9_akvwCVgntY53xRyQ8aKQO61.5BNAHQ.B24xrK4LedyKYMJRXHWdmhAFVifgHETTdwMCOW3aZHBx5BESViawjFJOINDPgbm1YawI0ntWZggn1tAR.riAJyF.7dAHJDl.NJcc.XXz5Cza7ieXNGzVJLJ88HyzNxG9Kr4hO5Sxvb99t4RfydGaDqZ2xtpJxDIpMlDGk.F74U2cNLhoEsLe_i1IBqAqu3DPiVsBoFCqTUHEUdI9z1GoXKVDPHtksJUk_21uDf86pnTzlyN4aL2zCD2xH_QZmSss.FBN2gEJVlk4xsKiECwgM.S9ZsfYtHLQ0vm98Mf0w_zGy1SLMNkrUr9S5kVIfTpkr5nLTIH2eSdAKA06vXOhdpIQmm8EnPkC1lWqlSwlCoPvv8GA537xCgl6LwvmRMXB0REUhhdiaYY6jJmfYs57yUWpZbnE_Vb0V6_072DRaHaBPBiVNg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f376f09a70065a';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\/0167294583?__cf_chl_rt_tk=_O7fT91XNBmLPvCb2n9rUuP34iB02q7quSp8smka648-1739099968-1.0.1.1-Gd3zexcNoRxKT8AQBqABWS7yxlf5XEoyoU6aUVAX9HQ" + 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