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-3097251648.mit-edu.top/post/0625874913

  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-3097251648.mit-edu.top",cType: 'managed',cRay: '911058421aa7e641',cH: '3BjSOWjnzjnq_XmPrZKuv2vRi0po.lFkrl.UmxZZyYw-1739402798-1.2.1.1-P67igGVXVkBR7vAzbj3FLfkPW1z2v84SKgku0OPq.LRi6web85Nm76X6bJHANOAM',cUPMDTk: "\/post\/0625874913?__cf_chl_tk=pm0h6WTrWGiGBRLBQIQ8U8RlaZWMjysIgWAOo2fuwwI-1739402798-1.0.1.1-Q8sh2MWEX_Ufi6.lTx1JmOYcnVdBbTJ3EjC8QWutJec",cFPWv: 'b',cITimeS: '1739402798',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0625874913?__cf_chl_f_tk=pm0h6WTrWGiGBRLBQIQ8U8RlaZWMjysIgWAOo2fuwwI-1739402798-1.0.1.1-Q8sh2MWEX_Ufi6.lTx1JmOYcnVdBbTJ3EjC8QWutJec",md: "NPNgLf_6ZSLjERVSL7GlmkieKxY_PMshi254X_FZBRA-1739402798-1.2.1.1-QV_bdzLEHbuYttE1APWfPj1Msdvx15LVxlsOM43j9QZFGA6uUoXS4iYHZ75yNy1GB8xZA2RhkubxjGCLS6wYwwteTbMBfykHB2Tv8xE5tY7AeCcb3WSOCZqS1V6ywmPqS10t5OY0h_xOtaDOGcmd3Us8Gx3BNUWgFNMluAjAVoPQivzqkSvNTs.n_F7U2zqcPcrtZv6i8R7yCH3HaALCBrbtJzwoSEvTaML2xJYf7EudletUuHa7kPqNNo2IW5Xzp_jIxm7whPWLiDowXHTCcJ5gLTSI0Y9WOPpbIQ9oZQgELk_mHys8zSYVxzt_ROvJJG1EMOV_CFm2D4yALwDxN69TF462qDtzCF7j2I8oHvYMQKYuboUqzw8_f8FbJ1DFKXsQ9bCYXnEY4GlsiOmovTsyXSK8Sls94u83NoFzZJtLVqL4wobsi4c5Hpxw8E.crUss3lwij8SDYDl.N_J0MlFlN9CNq217CumrBdwHcUkFIEErNHpw6IJm.eLTgIP.UqBNR5MM449DCEc1bdLxICs22w_3QjqdsZGuQZNVKVEZda0zFBQiNQFKkI2TmrfMk_yZTztTd3u8W6dpEEzyy6vU3c7.Ec5QNzPkEowW5rALL6w.tWaaKs.ZyWLBJC8bgt_8euyZbPW2Zo.cxO_dGh6nUDeaH_.50Bmn5uF6bVwj13wCczQDsP3xLOrr3ECZVf6Qq6TXbKBcjoF89V_v6zgY.LD.t56b.0JXecu3bif0QppxmMxtQU.shrq950Ue.e0z7nQkU29qLNUf.burrzjeIbBZIMXexYpuUkX6KAfCvGRywbCEWoEXOulnG9bnC1T7UXmsokx1S1.z5wWPOdtnYvjS9Gtgwmwc_y6qk3cP05LKnkT1oACeqCGKUGLmBUGWU1OV_o1_FpzDykd8kuvEha3hj0FkOhVIc735qRZoKlO.gKan7kBRbI0t2rEs9pA6AqDw.oMaUMhZge80shR47bQCEQnKCmTt0wkcuvHmp7XabjJ5oEdIWKUFxbWOQuhXnOBUzUmXdtMrcPXg7K5P3R_dEkTPjZYXvcaAdJ1zCKIXlfeGp48wKB0eFeVTpsB6OMxJq6h2Cd0EIQbLdIMkwQ_IEiyw8pzWmrJ7fkivM7SJGQ0AWN0qck0xPcgP9Z7hN8veXZ2ZoMabsCbQdDvPBhv6_q_2r0USj9NuQHDWiooooRBJm4MqiuS6p_H611QD_YT54Kv5F.3tchiMPzUmPQll3ItjhgqrBcY5tdoO8DcMhErvRbj5X1KA8fYD77HMdXH76BgugwPco94.Lf_pz2R1EdsX7pOGXAcqpI6RiiDK8rWk3U_GnaQegcbsBALQ8i0UbfaxofmWxu6dFoSPEhj5daDXvDdQId7tYyy5IYYuNshsbDafODf_TrnzWSlx3d9VK_ZOPhfuTAT5Qcm7azGcHEiqo3VtY7UNIR41puqYLJT6oOSRd5OsWcT2HD2P02.i4igfLYWIrLKa4pNZ2FGBr8xWarCWjGsNXkDm.knO8D6CDvzvTzqBvgEqQjt0NXEkGSd3N6GLAjZlGni_n3iQOaO34iROVVedQ4hcN.3j8amRUg1Q0rHe5Vc9OkzZgLgHwX3oIt0Tcm1g7XbsZblk8M8QjgFhwRuEPSNSp4XfZUSLeFDee0xcttB4IfnHDg1JimQc3oK3fhZlqqI1UI.aPTT0.jTImaxgfwi_iwb0j1hN_5I0Hgla5Rb2hGuQPVZlnbGePoD2jyYAg77833fSLEC9giOwHLPPp6oZHv3sQSf3wwY7LW4wm.Wy9fsKcxr0jyUvV9E90NI7SJ87JstPOH.g3CILGi8xYtoBSBMYUcBu8QiLilqVBLRQkILKlk.U5PdafQdjsE3pER.2ZNL3D571HTHHkTPTbrxrS06e6RwftgktuvO69Mp2smsiLf65cnpdge9Kkykn8YgoOD.d8EzRAjTMtJEk_cQGaR83ovv4JB25Gl1FmtAPGluPCccni08.QrerkHJ6x1z0KNphnIHjcChA4xF8H012XNFTMO5Ws.lGP7X7PlU8tVhFTj4lIQewB_27aMsilLHpT5ZvOjYaysCg8Ff0P9DHQCMNOz3o5SDTSNuseIdObvk8B2D.CgHJXAu3xWjb_Obatp2nL9mfwRxAA0PPutTI46kmc_KZevZIhCo.uUvTR3oFnzEPj8BaQ1OREWkzsMhNXFV7HvEqaFbhWUdxQ6WBX_oIEHHjrA6ADUTayyhb",mdrd: "prtCNqn.JshamzM3CfMk7cLqsIc2MOVtXy1aGDWkadw-1739402798-1.2.1.1-_aPI7OpwxU.WpDqhDdlBZxpRM2Si6Rn1zLqoI.NC.LhnVIKU0RrKK9xUazoaoFi922Tzfh6wt5UuNYiC2MKWwUcNteqq6F8c.y7VrZ9053NJzdyfXoNGK3pdka64KwvhBC3p3570i7K2djiQU0bzeRJjU8pLouALpIx6U2gzj7M5432vLUr92HVaKKPU4yore5EjAXfMOosQ6PUXxklTFY_mU207JdvdLmCBXapkWk5Xg8P4qqqw_GRPdhNj9WW9nqV4ymXwAb9k4LB6qJLvq7Hfantf0oSVDbmsUIOyXuQud3f.ZjFEx.56H29nCGaUIWnrI3gWRU2oIQX2boxeYUB4kq7pBOnvl4UGWmIYdCQn_6F_Nwjnx.v_Vmt16ywLfwbt3Hq7oqiJzoyrD5fqBRt0a3AUC.YqDH8zOFOpHaqR_r7MVRl0WiBlv_XVPkYeGcRhvey6X0KZs_o3Q6SIl.azZyEy0tuLVsrFZpQ1LiK65GSX6uxluRqDZPh7Z1kl0Ov2XrJ8AMdALvw7qNRusfvhgKCNLdDStnvtX71lZ52dpaL.8xMRqRKYjHVsmvi1ZoPfEjTZ3kD_pBlZbr1JcpE80sbwDxajAVxDsGu30dbVG7eiMbkpZhXCjNGbBzfFnYio8UKW2Oa3UyInenh8JryJF.WLqp7pSm8vVB2TWW.N_ipOMrXn40rcA9WIpAWMF37kaed5trg0dvORYmlKDavxMsmZC7G2D6y1sHcmuxNgzdrW2I0GldYjTNa0z8_4JTTPCnHNGZPK2xKL1S3B1x1QwZeiuIQTNFUM__jZBFrwVhHu3mHTobpeuoWdUMAQad6rqeBH9xCDi2LXC.jlo0.g.AQVl8n4ByaMkw1VTHhmD.Anv0QaBLq9mLdrn6P8YnG7.7kYUNeXpCEl6kqiTYNK6vgRyX7ZgL2EtZxRRwxf7hR4AylFLPz9njilHPJp47lN0B.yNUQsX7I6exsc1vfbVZvgjakUbH8m60HBdr1X5pt2boODCc.fjJkwq2QVKk1GVTFfECi6U4.C5PGNwqfcidUcb8mBtO0oMcZDhoeWiwNxLFmUf2iMyGqDVcmJYisPVuKTmWsF2n1gzkB8u1LzfJfgESVjMLSWQQfWK67ADYSwtph1N6vICfZAyCJDGyrJ7Q5.2PT9aOWqK8nsKY7SxWRULMaptSgEi9BiaHjjAGJQ..QtuKqvToN3EgnXq_SkNa8NedcNOmgTzTDDGJZOkYWIvUF4J4sjepfuBLpvgzxal5rjg2ZkfI61K4GimFWebsQRRTscD9eua9THJYYtiy5Bit7YGPeqZi0mwm0VD1YzZ4TZOiqA9kQGzIwEiQA4xbwhppWGMVDOZ6GyVAhnjmEF_IJmpOXvX4zbjcyJaUIVV_KakX6WUBFY9GLm0xb1StVr53RJxId.TH9FaT7bwiAkSx6bBrPimSEE2xHtlDCJvzwNqD1OIdr2135YSeEZ4qi7bKl_wht4sLebiiHIenVPh1dFNjf77Vh84Hsw5szdL6o1AiUiISHua4z4Hhp7PkTcCxnN.nqIaWqHCLCqP4JAhlTeOktrcLWgwHRAKlOiy7OtoB_ydtoksfoVHusSOl8wnfonibiA0zOvd9uKmp_yNvA8IaiT5iXjXEKMKeSLvD.TmrTpJeID9Qjm8whqQlXIcNakbweaLoJJTalMFBwAYBsb.eqIpRz0AA5NjQTnVBHhbRuJpGq.a4DXoXUDMwk2LVfdSa_DIgytOQkCJZ5CPTSgkhLRorkcjfCYYCYA6jMv6DIpZO19fyR7HlIfrYNH4Yq.jyDCk6sykAKdTrDYS780GN0nyhNglgY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911058421aa7e641';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\/0625874913?__cf_chl_rt_tk=pm0h6WTrWGiGBRLBQIQ8U8RlaZWMjysIgWAOo2fuwwI-1739402798-1.0.1.1-Q8sh2MWEX_Ufi6.lTx1JmOYcnVdBbTJ3EjC8QWutJec" + 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