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-292690893503.mit-edu.top/post/8793250146

  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-292690893503.mit-edu.top",cType: 'managed',cRay: '910fed01ddb77a4d',cH: '6pRslqTnM388Sp0mqxCfL0Bnjev_Gp.FtoW.sNzlpiQ-1739398405-1.2.1.1-LlnHw3bMJf1AL8lhpzSVbbe0sRod8N2Iw3Ky5q9v1.8e6YLPWkJRQZDqEG6MiSuQ',cUPMDTk: "\/post\/8793250146?__cf_chl_tk=YXReA9vLY4mYxzxvg7NJDXewy9GlKdZtkZEv4XYAF5A-1739398405-1.0.1.1-UmpnpLTKO.6HIZoSNTvQyOa0ozZz0EnDkN8jZc3tkuU",cFPWv: 'b',cITimeS: '1739398405',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8793250146?__cf_chl_f_tk=YXReA9vLY4mYxzxvg7NJDXewy9GlKdZtkZEv4XYAF5A-1739398405-1.0.1.1-UmpnpLTKO.6HIZoSNTvQyOa0ozZz0EnDkN8jZc3tkuU",md: "mg8stbDJjG1NRIG.bPBJ6ozDOXSai8dIb1fOxJPQGhE-1739398405-1.2.1.1-o59af_CNOD_ow5eJT2D5.OkqGT1_oOPoQGBlsypnnSK5sZcpMCT19.KRsXuwDFLhpzU._8SDJ5Vp63dnX9cYz53s6cbsWuz42ZvLI_dDsSgtVmju926KAxLD0Icvn8GXa36z0GrKM3ulXPkOyPL29rwgrNZxfWX2yhghfvhNvwDaHp2Bk8H4xf.SrhyyW_4G1xdUN_frIjMWjAat22.QdsBLpLndBzROIsZZdD09BAX9vm.KDuHpC73J1H2TXzm5_aapL0sbBPD0mLkQx5TvXIJDyMpbkGJXGcYVuUABcPVa.C6Cb17TIbQ62PMpz2_auC.ykjN1QBD7IoTI7VT6TSgMB3Rp_8uOdQtxEnBYrJSg4kC07V7LwbndeHMdORoGdQEFsBcoRmZ_D07EFHapcRv_t5fBCLJW2UGmYSrjCBO2Q5PdN_lzy7jETSDOuX9amAx1q4IE2CxZQhy3yAh9BeukKD3pz.JyPE.YkF5mW9Rjt486gOrCb3mh1ZMbvf3TevxVuRCgj975nyAdWSy4GEu3DCOwYJpJr3Rabpo4gDFXZNl572yV1AV36uluyLRRoD6OoZ8y6jrsVYDNlM8Zj1OIldObTE5MjTLzvLUGuYaRxs35HxyIvqiIs5jYYKWSCcHdC3Zb1Jp4lPw9qpD9U8tU5EGqUiC1.vzoDEn6wWWgo2y7dWuU6NNR1EtesxJXQ75.xlVycymwT9e_mp4fUBRGMEJZu4aUz.3QtsG4X53EQ66udEAaqT2CuZxj4L_6HbbRAFu2cwjHYo6lM6ZPGfTW9v8olgIVMsDQ6Vltywk8mGgMtP8s45P0UaRUsw_Bh2pACmfi1su0iPWpMm5KJ3qV6nDu4vsfEbeLj7B3IluH3DmaiQTy8v9Pv5tXTrQOgtIwmpNVGG9_6AORvd1kduHXSajoDMX6AcB_1bXAw5i1h_rYPla3wY7wSbXXWXKp09bMKSKQh431zeuvPTRBdR76MszteTxVAzA6CLytxUv1Ob0EJJTOqBiMpRR49l7fVyk9f2KF.AUEXl6dmn6yQfhY8VpEAvvdRXDnng9DD80KA8IyFDTSdhzqRFCNh_YvhIlj0ptvH2KVtIDFX5iQ6y3J09qoFpyLtfob42px2NMNzmlB17OVvrC5I2Sybxar_G4tbmfXcw2F6eq_RGuIJ.iKHhBSRVMyO_g6lAhz_bYvF5SKLcA9vcfOTQ0z8a9Cec9yNmT0.nfK.ijiz8QJl097QDpiL7ar4lwCSH1D_6qhZCA1cTaBvfvJ_SsYq07pkNiphnLUNM1rcBsK3RAFGpSYSz8a_8fT29g7cSpZi8OBmmeTFFhbLEkXQkrNoHg8429o3moH.V0WoJLzzfm5aBB7DXLUi5ffF3886x6Jmnf5ETIcM_EmXLm.vTdxtN9eor5c2FdUwsahB2UzB8MLJFZCJblslXAaNmsLdcdjSEx8pydE05pv2vN0DcGxLG4CYeCJOZNYYCmS2w3SGEuMuKDTkKicrLMnoPAkhR9GIdxgRvY1bYQYRr0.6q5vkT_Kvwy50NxgM.J5veEJJAh_sgTmmG074nKIxfiDwl0NSWkfDEwKwlmohHzZnqQBgMSTNl910W7NImBNmAP4nFKfsle7BGXvglCK3lS7bQbsNxDsRH_bxuP2AhDcmg7T4eYXCiW5Wx.XTnGx8.TqNgi0fT6jy0JwoucT83BJkxbTjS_ePiCehxnOmmUp8keZsqG.tM21kKOOkVI1iptdx.Y6CvrlBNOswiAL51b9omXt.UuY4Q07mkSEv8XC3e2SOOANQ3wfb21eWF9PsoFFh5tZCvW7qZKtf0.8ubPtEhVunwAeZjNw5X2_Pl5DwdZ67uq.JghWmB_BDA3xZB7dJWYt71l62snOXsQ89339dcmRybEWGsusWK4ZwjeTtzzsyUsnnalm3NQEbq8Fs1a6PcA0za7nD1abrdgtmkhXZuHbpqqrixuUYdq4f7xPRygdm0gRBu_JewueVcaPZdajKEbor_3JQVTmx32q_PZjLwDYN2J9rB9eH0zjk5.k7DsNPZxjvLzEd2jl8IePX3Nn9nhJPIbNe32sheIUVEZWiT91r9iPet38gSpm88HnsREjtFF0Dzbe5yw.NbjcS5POYk46CMJ_OF2bulIC72adKETxCt4g3o8UlbOGi3NeNyAOipVg8bYDywef3VcE2hAiuvylh4bw2JQrZ1WT4ribhqHLtTefgHmH8aRihHGSpC3ZvsoX",mdrd: "GuoBsS2tyB4OB.S847A7Y51edE1msE32Io0WmQWuH1U-1739398405-1.2.1.1-DwSydeeoxRDqUiswYHGEIg9DB2167R6Fc6aPc3VA_eylKG4bZ46ScWMD8Gu9i7LndaPLkDfTUNfXfAw2UdFbXCmUEfhK_RagTwpGIRTxyPWZnzmJneizJ_.HMzzZoTcxyx2uJevIDPA7U2cweMPDqzgaVo3nLQE1S9WcptXc02c46PcN9yyBz0THmVrc4ZCWztKTmXOtAsuPpCvrek5cFG0E0KSocytWy0izL3BUZGEPqZJjEO.O_2rmaeR0lxEK7pbcoyExFU8i_DvEC_k3ZuGR5FiP.sGYAwu6aDcMswwC_fjIJGCXaOYxlaiqc6o.JzGB1RhAQSWyCTvRGd5r1w.c.fQABjMjARcFMCpnCOyGzFe6hdX0V0AmEB.IEsZhXCOVCzEeNRkdsSYwyOvmgBBbzCUtzxaBEFPvL0Er7SjmU2wj8PkTicuj0hyKl8oiM5TB42ZiDL8u3L_EON4f23MQ8dFk3JKpiLvB27l5yB3_zdUWSia5ZuDaBH.K4TXo_w5FMgviCGKL.R6PZaBXzraOYXjKnvFZ6791ox58LR5J6pQAZNwK.ErfF_vKc5JTMNGunSwVBfTaWGIOYhgOcjBYxlmpmXFb0YCr2ojN9V6XqxQdl04VCTV5n6.XtWRJ.mBEKTTVtVmWTo4lQlHKe7fQUtoHLhHLkgcw0ncDEoyEobqe0WEYnL5D3THyK_ktI3t4hKksjWy9Q2kicwoi5vOurgpjz3kO0YS9OluSFoI8zZ2SRxpEHVggnijE9S9jNUrQGdqyXtlbmeNg4Gqj98dA7wZn3je.i3rDQZDGfJ2bDnJTM2vHvpwIAlJTEGxNX.E8u1hR5nXSpn9SEXjakivplzs7CPnCp0TBzHx6IJRgdQMDjpRjigT1F62G7.l5CBOtAopkzFtgr.yUzgh8mkZ03PCY1Qfa77aIR81UXY_oUh4KSRrj5HJq5uEr89hvjIGpzhF3G3BxqzNTN10ik7lFDhxpNcCWLN9.ubLN6AQTuSeT3s57BYtPU.mJbuZJj4wAdlPkVwi0I97RW1RRYC4E_f6o46HsFZ0XiaB9VqFe.7zr4Y3TLdBE6ylvFDkN0s91.rQ2Qavzyj5.168ocSXlug0Vks_Z6PCgUwsepHRG0vdxbfXfvdjsCosOFhzjqL8E3yEBrCmd0a4OQz0CZ9quDE84_wBocCbjvTq9c8zh0eFHi64nZgxUc627kyAE72JGO5vDvt2MnojzMp6pCmXPvWf_LE4D4oiYbp3yo3pqcpKsL1.6U3Pr.eN1TYou8294dPJF.V9pPppIFRKvTVRnUVFEepjhoZK4a.1m1k1aJ14RCbAoti2ZLS.kILYgWNZDyBBwH3pARncK2tqnvA3MEQyzCutnvb75pn0yYq5EtlVALX18uIHGGlUNI2xy4DEft0hU7lJsgDXrCl56aRsbAqs9vIzIGXugGnwwCkG.us7_U6uCWLWwgF15lTKih0YmrVE6.4Za8b39kRAE9us2V2.TrB9c.Ahmxi.tCwQ6vJGXpX9Zc6Oz8T1fZGRaahIzvAS5H1gdSeN6_qBVenEHyWYTRxVF0elxS8SZ11fUk2TdkVI0pc2krzj8NMUITBJq_ztnq7V_.mNJox6AFXz2VNFjNnjHWgt0A0pdZm8kLe05499MFiW81jra5MJRohSmGbfU7qqXaT2BbmXWiCgzd7rsP5dLr513LWXz5Y36K0M9FphexZOCnRQaQFrmSs74k4ikRoBKWTKYhl_wc5qGOfC4kN23rXBaC74imps5CW25Q6gu7eKx._jjCgwgxjWGpSifXplB.7hV7Qs8N8RjPaWRV2mEsnhYcqRVov9tqZXpc7fd_EBw0zIFPvUE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fed01ddb77a4d';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\/8793250146?__cf_chl_rt_tk=YXReA9vLY4mYxzxvg7NJDXewy9GlKdZtkZEv4XYAF5A-1739398405-1.0.1.1-UmpnpLTKO.6HIZoSNTvQyOa0ozZz0EnDkN8jZc3tkuU" + 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