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-584108732674.mit-edu.top/post/5870342916

  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-584108732674.mit-edu.top",cType: 'managed',cRay: '90f375e5d9163885',cH: 'pWEYvCu5wMg5h6HVV4n6TDbD6zS8wxgZT_vAbVkugw0-1739099925-1.2.1.1-ZKXbeVujgEW9Xc7U.vATMkkEAm8tJ1JOsrkiVpJDUnOkINnH0MJ32cPh6DiFhPao',cUPMDTk: "\/post\/5870342916?__cf_chl_tk=a83jg4FuN9fde7SWB28vdaP2vbq.ovilbcOGQcNqUeQ-1739099925-1.0.1.1-mHzg6jgXq1PfujNxeun13FYg76bZCQG9LlPAvYSc5z0",cFPWv: 'g',cITimeS: '1739099925',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5870342916?__cf_chl_f_tk=a83jg4FuN9fde7SWB28vdaP2vbq.ovilbcOGQcNqUeQ-1739099925-1.0.1.1-mHzg6jgXq1PfujNxeun13FYg76bZCQG9LlPAvYSc5z0",md: "4nVAOSso2uL.2Hgfa55yNY9FCOWrViqyA07Dn4_ZBt4-1739099925-1.2.1.1-1RwSawM7aTjj5jepRDO02N7084kfPpNaBLKSiqi5bZzfg_kByg0jBKVz.PaVAXXBDoxRQbZb4DrBm7fKrmor94Qj9J3O_yMMIz2zD4IgzfcrPbr2xBFOsPmLWAI_OCCzrJ5XdudtH49oLRrUjGZZejorLy98SAci2M60Gm_QVdCrX2QtTADdHP7pnIM1MMRounrgkzZG8mqLOTu.hrPsdU5ns_KD_04iOtLpqdFT2WWrxyeT1njT3Jcm4OrRi_ZW_QBaxZtVz1KsMBNQ7oorCG2IucttPUASVI3vIDlF.bwtNuKh7lk2Mb4aK2u6t3XX1FQoQH5Yw0q4OqnCzqPmpfP9Ck2QINimU.DCDNvtYiMdAb201cFH77X1.jLuHoYRmnIfHYVSeaCnoTd8N2tRaKSfSSMpBF7hUgKpRaKs.gZnOFg5Mfwj7rWhiKls2qrNY8iDHGVMXedF7ym_SpGqm2sDEEudtFzgf0P9XY3T9Kc_WadstYHVqsYYRazx471_jRHVWNV8FYmhOshHJfM6dwhm1dXKkYlve5OZhLIvI5a9hTAMSmhDDagDXZC3cJnsqNTvNJ81rU4n4D3lNBHTDypUruMspJbTT9FwKYgQZuiDTdDXXb5I5AEMR9ok8DzqDNcElQOKrwThF.sUFUtjPTbNDz89cCToWf.bhJhpBkkeX_iddABO8nf6u6jaZNhxVNDDLqe95OJnjx2pwEMM9Rt.TwVPXBjG859Qc_ItDxjl5lG7JSXMga8EWiFBwagcocbtOD4Uwey9OhE1rE7huxKA8mb8wSi3.qqWgx30lM61S5rPl.x.167L8y80umHzqS5bzGLm1fNUw13U5P7On1HBtGW.JPO9g8V5j2P3xFygC.8CBd9oRVJ7LChXUJOx6o7cGghMtW6FiqeUjnItIFr5XBPJbzV_SCy7kHqguGqqHqrgLzy6VT54qrPRY5ufoTbwBCiGcGpvbapFyNG0DD2ztfeIrqP7NwLZwqMkpBNEExXJaoBicjEWntocDKEC1rCul7ToZACiVxIwHl.WSTp.iTJFdQKogXsPOioNJ699biyX1IS8CnhFUoBUmVvGiRiEKU35w1kJAhcGDRNhr3pSrhhRJ89FqzygJxCMZWnxyv2H21rx9l6W4e59rpcWp5mn7F_YhLpHZU1s3z2DxtdT8h1XgPjGR21MXnVy5YUc0yuq5VaGSgkhn7M.8NSDHJZ8ISYrtovNcB2W5W9rQ9LHvEBl9BDBeNwmI.hR7sjFttFRgInlBFE8t43KqDO5J2jfiOnpv5sJT7u2.GGyFIMleoWq3HRLCV719FBTOsYfqa82hBwEKP5uJtPUItRkn4NY96gZXOnkA3RTrD3u6CT_NkqxAKstJCDf2MGuIzLhS7DgK91jLunUk0fZcjfichxJUuuJ4s.dNNUzhXZTytdTJkDMHjVRqwUQ6W0A0fSJUQxq4RvFKqDY1dBAz4ivxvJ5D21WftPkLX8S4zYPol3e3WnRDeMVFbOB_CDMnbSKeLLqoT7Tzve30GXCfAst8KX70RJ0P_N0aJA3Cr1kpEXYs066PgvhZpjf_qH6kHimpWuBzTu8o_RWHBira3Vf6be70HI.ExTQt5GXasuTzoOeyT5bH3Ecvf_Lxcg2oXx.qBo_tu3fhEE_ifktuN2vlM6JSboFqzZOlJcSbHO_RsTGcPP2Ny62uS4VvpikAdIKkP1Wu1hCIy.SGIGBtj.fhfRVv6VyOwJiWqMboiiCVDiQ51vAuw3tp29L.HPThwB_RKc6ifPSRXvl8P9fJyAyTh49oWqcKtleQVy7CgnJwQvZndJMg5zD.9Ata1lmz_GhxqEkO_pWBhwVXHw11MS4hgsIYJswa1ojTHkT6ZT6RubOynN9FcHQLbxJmOUeqitzz5DDaPDfquB1.7R31nozJyReCYyDjVnZyGOAlPJJCIoYYCCOsXG2isfJck4dyPDyvcASPW2gVIcenvT9urFHqvISkOQNLeKIfOJCaO2npuKJ5TTn7w5ZNJNY9ru3qCFM6G.FdrR8BxYYU08ACH4n2dtIjFRDwZHkN0Z0ZVpIOzxVrI.u95KO4iayHg6GIg8eNVTBNrae60Xjm6qM.ixVYOl08KzsY5C09a6luKGXwwCUEvL.v104pKk4vmq.bFE2w19kCpD8aht2XEvrVPbNR0viAnYA1sK7rSGv.brtolCC4i2Xep3.H6FdrOfovJyvl07YpGAN9yC_0vzDGe2l",mdrd: "axbIHumKG_lrBgJ5IQEcDehXp4hXssJvqQGebvSBHT4-1739099925-1.2.1.1-m4cAQy3Lani_qQOqw98DKpkE7zyztLGj7.bm9i9FwvVbWG6Ia350P1HmT6vyyyhUfjbT7M0jfBEnXImKS4OUp74xBJEvpjwSawIAk94f9NA._HooEoE1t07NfRGQG6IX_.6m4HtdTna.nFRjBtLK6oW5qvziP1hC6MzPusFknm84fA1u3zBzpd4yw68fwxt4XXw0Yx2jz4ZJpM0zVQJ5RgFSPkdmcK4ZaLz33VSoq9RCH9hibOwbk6F3jfPR3j2qKsj7ZdHryypjHYTQi7wlaXMynBERe6MxiPEL6IeZ4a9fj69GLfrPopRUJ_CDCggTLVlSHtL4gfzC_LFNZsQx4s8YfUQooOW7LrxYiMHEThEtykjU3o185E_F_oGNtV0V2zuNDuU38mia8zu695KPG_qREWATx19kKOXySb5lHiUzL0J83bgVIDXee_pQQPReUHgTwGyHVjm5293ysxuRJHJTFLghHphCWMtFnvAuF9ZggHo8hNcbxiP7WUmcVcbidDulrG1hSlH8Z.6oZpzXD_1w.UxDB045WiWSjJ3JnoU1ItxNseZb5jZGuzZp1fGETdWS4ipQq8lI7v3Q6LAyzZCAAZCsd2e5HAEkVViCE8Yhi1Smo9jIPPxWCR7g5iptFR659l3QT9S8cwPfkKZjqRXv0KIgFzLqQth2aXZ9ijWtM8KsbZCt6JTgdfbKI3jlGF1IgmJG._NSbcpw5d6fNjl7H4usw9M2WhCz386UjDJy0jThHD8DQQ_IsAl4gEigTBT66icfvtsz7w4LQ3kOd2J2d7VCYVIoD4ExqgPI7h8RnbnHHPxnngj_UhSt1ZGX1V2iwJDOooIN2nuIc1CxSlVZZMg6weqvLcdikEJ_4dTvuKBsOC44OgObd.XgwAA_wENx6zefnYFT23xlfx3tSuwIJVLkdonpb2rQ5k2Qk5epCwnhkCLNccbU090IQCklBntrSvzddWQzd8GKQalF1mTeFyuU4w0pSVwd1YMH0K7tZROgQ1lDycIEjlY7KA_dsAqrCbTaYc_Q5g.BGi9XR9llOtcWoHTnzyT3BXMtbWYFRt05PN.qPXHNff2wrF5QZ5kaeD0NCKKj9MhPXad3VwPNY3EMvXY0_yvUb_u62WePf9sfLSv0MZTg4BKME9CvcXPUvETkZvcMSFixg0YgDZyanCtqc4oq_ozGrUL2RFRx_HTjtBMeAivUFUhCA1gtZptCQ8l8vTrnxCyBDSNJgVBaH280HwfrmlPdsGolfsDalNoUFvzWofv8t.QwJMmtAzP5TwJzuHRkclkjrxVFVg1AltzjcxfpEqUSGCKkMVFzAXu6aTkJTy.YuSDXXg5Uo8NnyGLFp6620o6ndWZoJ6eVwqRLTwVJNdN3APwEENDVEkQqCy7ppVHXyRlIHMiRqKYJThNi_NTXEA_Yz5wMEaAq918cZ2jKGXBb1ycGb2Uirm38JuX0FkhXNeCuBjoheC2WJG76Etw1N6kRK_rHIt8uZFnsoquCKBG5_V539X4j9J_bKgBcrlex73cBtY02i.5vyXI7oK55e2dbwJydOOLU_pCrlQ.jKOtI8dGrqNM42Qe5BGLJLZpOqUAgYWDPw5KuSaRvkNUv3Sh8QENM4cul0k.5B2AuQuSlxmB8H3ed1zM0otIxjs5I7ozysVLenNgS2IbsyJTtA5tAeqxjsNCUQtTpl41Q8vQ_gwKQqV5KkYm_h_W3FOcQJurZ9i3mcWagTIR.PUV6_Hbx6jD1346DnH6FjdMjTmaj64lC8C0tdOtgowhkJsSJDtperqJjAIT6Fj40hkW_sOWTIxY8yqOTADdlkYn_ZoGsChBmNDY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f375e5d9163885';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\/5870342916?__cf_chl_rt_tk=a83jg4FuN9fde7SWB28vdaP2vbq.ovilbcOGQcNqUeQ-1739099925-1.0.1.1-mHzg6jgXq1PfujNxeun13FYg76bZCQG9LlPAvYSc5z0" + 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