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-278277105968.mit-edu.top/post/6201953874

  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-278277105968.mit-edu.top",cType: 'managed',cRay: '90f819039b4e2072',cH: 'zK6gTFcyrr4VRQXrzJetWYhVmcgjLdskLkyq1ZRgKg0-1739148549-1.2.1.1-cymTOG5DVmHJg69IFFgf26aWqkjt5Fl_XfkrrzTSu9Zn8SzqCpjN9XkLugpZZxVk',cUPMDTk: "\/post\/6201953874?__cf_chl_tk=KNCX_VYDp.xOqfXkkxhvZUx.KchPzqscnusF9EaQM2g-1739148549-1.0.1.1-NmWXD4Zoo_G1qLxaCnYG2VSsZ7kZWH5NlfWBuRV0Hik",cFPWv: 'g',cITimeS: '1739148549',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6201953874?__cf_chl_f_tk=KNCX_VYDp.xOqfXkkxhvZUx.KchPzqscnusF9EaQM2g-1739148549-1.0.1.1-NmWXD4Zoo_G1qLxaCnYG2VSsZ7kZWH5NlfWBuRV0Hik",md: "7vdiSixj101paG0TIFUxTHV2ogYw6GzOII1gZYcbFuw-1739148549-1.2.1.1-nRFoBNeK4QdVmGlMyiLbtw18MSZFKf14GxCu9dXqGKM9U7Mmdxr68VzcEa7L2m5bGc5MlnMBP_swIkxquqgXo5CQgZIPwqZPODVEynRASRydF6VobJJ5td7XiLU04IfsK43DtYefksTHZKKqp48f1IVV9HiA4hqChqJEGOt5RZ2L0_Dz5wTCetMHUbSnAfLz8KX8gJGbCwsixqqJlN_z74qyjechZxLHwZDn0RdmWLhjfWL_lQDjahK6_E4OSEh6e_VOgD.Rsjr20YC2PI0sGNpKWAFgKQvtjq_LQsCqqpXXMopFm6MJczB_3iqnGc_Lrj9HMqWylSm8SljWnSj3jVUOICp4g1wwawVcNcbPfIcNLnyTL0Wr8JpDfXGPSSwSwIwoEDNR1YDRRYkn4x1tKwYMJMwwGQE3sD1J00UNcAvGUItblpzMhkx9stlp8Um8abOMilJ25UAv2AlAqoE.eP7nnltveMIAu.QXBcw1JnqZ.TbY0LVtM3PqtGmtJYl0iPpU_8myGeRq8FgKkP4bNovtpwFlUFv7kak2Sq7mOl_tQjvRjFDg8DTocywC7zI92CxIDmK6RYLAv1SHMNUSJGYfE6P6DgurMIhe3e_kyYKG5vMHyatlqMIbCIU1LaTa_tFnsnGApb1HxX8eJ99a8KywjRJx7FmGat0khF5Hgivgh4MtlrmYb_znSzjG1kcBQUCCrWACnT_JLKTBQ14WCvxG8VBReUdWVJQVfB_R4XykQsaDmJ9T1593l.3uFWbgs2Ve3hGXmDY0DTM4tUN4Q0zGJSv.eO059ICiks46ArLd.R.KcjDbCS1cc3mKSl98LR.9Hk6CxkfF0uJ4D36z9zO1ECVdKarCWaF.BBneUIfKpn57cDhPjrpTmf7SWP.BO6M0lTD7EV071dXJ9p7yvbaLqDlz3_oDc4k.4Ci4w5nzSIpTdCEDdGMugGVjK17A59vqqWkeK9b1JyVDNzjwn3qI9Z5Dq.bqItVjKJHnBTSn_NiKO2REciGNaZP2tmAN6whXj5zgrjijA.ArpjeLopSwD.j_T_ghwizV9mNu8MmYn3yJrvnEb3keyWrf_CGniZhEG5hdlMvq3IPNL45FGVGj0Hpi7aMI8RV327UrrYM6uF5bKICyCqf2aMuoRH0LUGatLhLDrcq3bZa4at5swZNW9MKOWCa0nZELLWaqtTaIhHOmYoksV81sy9VTXDyLug_rSQnysdXeqK8rMdkbi.y9dlYPQALLITTrahtCtdivWH4d5OS9ZRNde_JDRZ3q2P88Bmz3KBBwwfBUXge8pgTDgDQ0FHBCQDHeVFxdM5BWxjzx341ONU0T2DDTTp7rsI.v5wkqGYSN.qrdgVOAlQR6pXwqtFIQLPSxxWI4Z.ISGXhX2a2OwRPlJDDS7F_13BNGgU447vxFSNfaoVnzePFhPYUZstGITFrhYBtKKuKlthTSeQhut2_0KVeFIwzQWQqK3Ve.mc8D3WEfPq6K_8IU5Sa6nbPouvXzWL1CFknTWZdfcBMfIjAYUzFAbEgfKpLI2Dx3S9AXuZY3uBfCaWLbHwdLy4TyNf.C1JlWQVEwj63ZN_THnrMCtPLkE5kDhuHGZwqoyJaXsboCuhwtcbZLOZNGnHnHkgppwB2emcffcBZqWIuIHR7rknYxV.1_itaPXkfaqUSE3mfCnmqcIZjttQbdA5UEQH01BxxYx8W8PPnuM5x5M5MVctPdA7rZtkh_GxWhrHXpLLqP8gLyquOVNnA8cVOHZQDUOwj7sRw3GW61o9rpAXb9FGjOQXUtlwEjEsATqM9jWOJnLGxM0H9pSuF5IUysE2YaBDWbQXCdBd.poAEczKtoPAGMZ17y0Q6SS8FdqFzStynEbkTHOIgureJ7Pe0Hzb4qyQYqpSYlUZnBsJ96XU2q.I1sPWkpaPiJyOhB6t7NMhCvPZuaxnw.BCjZD0or2.WZbXg3WJ78xLynQKZIUQo0OjJZQe_ien2hIWZur7MqPQf5oRkaSmIUo8_VLJcgjb6SAAoi4frpppmzzTgGIqq8QUGo_MaJb98WY7YbtOsk9QLSEXq7XakKLwPWQlHXWZW1YBLtJlJE6Zt5O9YYmXg5Pgw_oiEuLOzWY36CdNHKS8f.0loUAWM4WQ65.OG9mBey1.3x9n0iKNCoXxqiBaKbM861EKC7H6d.rotqubCxnmhgZcaB9sbo892bfAtGQvAaRsxh.WfC889woi_ANkDPXFmy7bWo",mdrd: "DCAOqIUH.p9LpSfLSVTLVVdmt8ZQi1I0abiuT2y8c8U-1739148549-1.2.1.1-Ty4YLJddDILL07OfHWCcREye3hzqfBSqgtnMQpXWtvnffFEyU74I0HCPCs.Q5PWpA_pP20XbwQXT2WEPicYqotKTo5JNYKhXp1m7stYagVeFnHM13vr2NvPATm2bwHVDej6nydtjNbm4hk4nafuLRAEkumpbr7W0Q0PakqE8TqjpS_h9.o61fQrqN8ZSUUOyBPPMQE18NAZv4vTTES4peinMkw2Ox.h5FcxyV1CnN43qfLqaMMQt5W.KN0f6yXDeNQovjiZIzeqnV.Mb6fTBs6aZHIEXkKgzPYUdtL300GY0hfg3ERV2WnOW5iMfaKIDfvMiGmsibBlMeA2dORmDPs7wVDZjA9vWzyeNraZILtRnTO7ToXmDRhCowx.n7OF74Rodbxi.nny1sby1l6cHwy.lquy9C0RmpGW8B67JFSLSaAJlEqbfLuc9Aqx6mKr6qfpK9KoOGMioVaNoUXSWb3rChhbAHuMFuAWc0QfA.NxBqjHn7w3bXfONF5WBirTLarBFP.jWk01jLugSbG.qVYJw1nX4n3HZmjSpMerFxfCZ.FqJb.ow_ILcORtPPbdDrt3pHNC4Q.r3Hg08G_dLX3L1bE5DCCCBRUmIONiq8DDHVhJesui4OkXfaUnWfVaOoP.dDMSPC0l22RYr2dkBoPx46jSTR5sdH424h4EVn9gg8gNudk_cCjXYNm48IsffXmuIg41klf0WaZbTbkiVekkZq4ZH.8DgyVIbZ7XRNcHkkoYFcmDA59YHlxFm62ZYKsyzf.R_BvAR2TcefOoBwlVj.y6LJ_48nZiWVdA.zRrtBKlGzdIwUOjQHJh_h2Y42NGECWO8o_1bBVH5urBF8aDAd7Fo4Qsa0e9vnLqxV6xnUx1QA4EAuZ2dCR.MhHRr54OtxmX6tapMQkLZdMiKrp8wV.h_a83.kUvYmjHUoyZ_CCIbGyhGxsS0G._LxIos_f89h2B06BxQDyf4wUlDu4.N0R1aB_fMhpeMAx5aYJOoCrwHJoJVOn_774w29_BYeg7ix_PK3ZKnHj8FtOg05ix4ZrLUvfll_sFI4ty5dbrr7VyDuRwyXSHXk7k6ATWuP_A0qxM94VLTS3NBCtH7sx.Mef6uB_.tqQ88MsFtvr.zT8uTXwz4jI17Vr.SVn5TSzxWov5OK214soWU2zNk0FWADyFGTYiREWSMi_JZCqH9wkW.z7jeSo3ZhkfN_w_bPkYp6NijveFYovm6e2_MTL54cmsM_KrA80D3gSuv.W8V4DkJJO4_NnXXz8cvtyFLqran44DXA.JK16GKZi8dUmomE9fzVo4VoQEp64EN46F1FSK_oQ1JmpVDOetL.br.yvsDHwVgtRo_Qw.TdVJcHVLG2VbLA5DTAIvOMqVI0lNXZ.M3BEgrgZABoU.Kz8acV8QrxqsDE6sfEKDhH2tCSbEeWcX6j5rwgm2g9dVB51IMYXeW6rKkZfMTV4oTmsYSXiUETkNWwS60jkwMEWmutJRHZLRh927jZJSm3jJdE_zjTn_guenDarDl4x.WwjO6ATfzVaMJ7giEs54mg2_sejbp2OJ2iFCbAy1I.RHSv3lewhHqZXSjj0qZjqvCmIp1BCXcLfmVGnCXieE99kcPvrD7cpOlSw5nz8tUGUr_J1XrdIbwcm_7oiwKbak6XV8Q1k7WnA0REmq1ienlVjnJvYUxYHLm1x.igxVDpfuB0Lf6Xh7EE7RNZbg0I2lm5a.YTL2hbR5VPiXQrNoEGjHwWBElNfQR7Ciis.BBNFszapZWz2WOMy4jPt2FpTdIaIALH_ygf7O2qgfHW5xgroMlJSPr3sEY.SzZrYbq8vBB16g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f819039b4e2072';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\/6201953874?__cf_chl_rt_tk=KNCX_VYDp.xOqfXkkxhvZUx.KchPzqscnusF9EaQM2g-1739148549-1.0.1.1-NmWXD4Zoo_G1qLxaCnYG2VSsZ7kZWH5NlfWBuRV0Hik" + 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