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-affe8pk57.mit-edu.top/post/1264803759

  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-affe8pk57.mit-edu.top",cType: 'managed',cRay: '9110d139dc5dc946',cH: 'ZKcVUefSfxESnwGnHicfjK9TMeNIkAMJuFIIR9LLOII-1739407753-1.2.1.1-T8SJ959P5DKuLuHtxvmoLnNIdQCoh_6BRqn_qL5MIwlM1RyaG2g_R2Af6DwaYy5d',cUPMDTk: "\/post\/1264803759?__cf_chl_tk=oMAaNIcUv1syFGt7tEyzioLARL6tUkCgKEB7q1wKf4w-1739407753-1.0.1.1-FyujxJ38ggZCbGXy9VAUYUWQHmbhe7enC8fxGkq_ges",cFPWv: 'b',cITimeS: '1739407753',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1264803759?__cf_chl_f_tk=oMAaNIcUv1syFGt7tEyzioLARL6tUkCgKEB7q1wKf4w-1739407753-1.0.1.1-FyujxJ38ggZCbGXy9VAUYUWQHmbhe7enC8fxGkq_ges",md: "mAUAC.Hhj.VWNk7HPuKTzZgUqkqlO0idwSiXiz8_cbc-1739407753-1.2.1.1-p2gAqA3.aA41SCA7._9IpBmRaGbS.dc3FiliFuGZWa6yahUt2sWWbt2wMehnnN4onWCQYnfGEbmA1IZ6hOYHC60RhxJ.v_cbCBvB_UbItDHeAGhjPjgfm3bRqUnFRWBR1O6Hu8xG0V.FcUraSefquzrqKjEg.622cOU5ehJJeU61sQjckx599q_bU9KmYu17OxA9E781bhbhGfbMJcJeZVVtMMnAE7ymk16H7jit1SOM10QXwlcjsvSBsQ4huMcPHXVPqdJET1AvpBkFHZW_.uGPVBwGloLUgpEVH.tcQsow15ffHHFNtMPiX2wstdxFXLD97JU4vcLw_9HQjaZr.oZuk409g9zhOm9XR8JBwObLJdE4fAj2guQ5PYhrVNwZb0sVFPxQ6nICOhZh6zaP42qQn5LhzfBlH4V8tc0m2OxfbrljQEhbjcuNUUR3oStJmp8Jf26UOjN55VU0g0U2PICGZm8MbAyGN647I.mvococJRY9PrLUIL83qadvDlxJ7e8cmOr1vlP4jvhCaQ.jlYRbtPhvyRsxtZMkNFtSspsIkN39v99e41jcJnhgBC6rVE14bAnJNur7hfOG_56kPbt9GDS0EPCg8c2BJKiY1kRpndytpVXqL6OLjuU0mXSFshdPniyxKXHGnrL3XPRKUy6XlLpZyY2OuDxSuxoR5lmVz3nX29BjQOdGoTKZC_DZME2Cn3wJ6umduncVP3J9apRuJTDrXmJgdfVx2spBqjAfo5FhYN0qslnNjCOR.E5w2O_Wr8o3pGrIUstipbX6kepoFGoVtuHsBe3BUoD9AHRZPIoETq9M0AicrDQVx5Ctf9v1J0qI_sWZZl7EGBRvWh3AKLnyEY_lIkfOdWDRjqTnRXnPbGzt._Y5LeZPUb_D1UVrhrz486qIl0vwHSamOwTEJsgRLNo8gc_8HE4._TWhALz4ohx98ZSABe93cFi1erNi2AMotyGCaBOubLqaY5lzFfUo8q5yRAZiN2lMBuVZHd4LGZzCIyocsOT33_gvFODSIzYIP8QLQBEERHSU_O4WfCjVKNFbXybPAtgEN7Uf1LfYYbPYh7AZKmUO1SSwz.E3G5ZORLtfUN95Nzc7RrGjCZOAUGq_rqIs2L7TbzDYDbTz_UQ4zK.lbYQ_RmcbuFOwURusC3_su8pBFEsAWvpg1B0Lg.dIaOpNlGanz03Kwt.X2tCibJp07IeA_bCQITAo11HWq.v2T5Br7QPXEj8BYWOzXLwJFWzpX82Wh5yCgRFTFWiomLWmP7VRdmjNl9y9VfifjvNQa099Nbesjj4bBPEYc15RiF3uGKgCL6pWKM4ai3DBYyOZFnJsTKcdqBWKgnntz6bTFCm7Okwxkg9rwAbynbU7Jmkij7kXN5dgjypPbovIscvmdfZ.AFRhvYzfMplCxn4OZO4WZmXVur62zGNYAyCbh9W.yWtQ6vho_qVGMsnGYvJNVcY4W8Tabc2EnQj7rTulMjnuSLoZsYw7M91dIMSHlANTUxNirlCTxCnNeaOVd8xkqnQWpTyYNeuheieBo2Y1g6QKVaVQdcD9Hx9uC3PEmwEPDFm4atL8lJJ0BVyy.MLqQ_sBqEd4Vl6h4sHyM81iGsMHoG4w_MfRGotNfYcYu_hRuFdapFZuCxqPhUyA4qgu2nurVp12PcHeNoBHmxQcpenLg2EDiEJTojy1ZYBuKaLkEIHtXy5GoX1EKZPLu1PkKhhnUgxHPmHeGXBM9gY.ykXsMZobS0nZaNSaMUTkTybtcXVTIcmkLZ4NNUXzo6yTtnkymizFGZ9omm539l1XL6NAeDGJxrl7feVx2nL9QfmbX_QyYnzWK4VUG_6mRZ.te24eTMsZ6SDc4BAkak.M8lwc81n8EvgpONnCuAjMSRUaZIoQ0EDomTva4bQgzSGARk9YtzarylB6Dl1d6tJvXiSRvDdZvRZWvy1uPRh34rzboEiEGFlOXYDgh.KL_u.M5Cco_pchF2XO6mtO.qOOKdNA8xTfSm6XG8Iqoxhgg2MsOqseD536Bd43_Ka_NunL4uvXjx6pvquR71shauJwxIksdd9WEdzYXclB4lzX.lFrBotNBJLSQFy9pS.3fpTtOeQgeiAgwCZ96BHCinHk6DqKTAPAPOTFg_uuvMmLQyL3X4YjL4iJC7a4uB5fl1_sWjfMMmpSjGnF_Z5bImnqJ5tjk9VfoF8HICvH6aiv1JIX0huEB4T6P0QCxCmWIlQcgpCzF82T",mdrd: "LMAVOMAR4_r8jSlfhOWdbUfpNQis45NDd3P3KF.rOVQ-1739407753-1.2.1.1-3pRLJcqnV1MCbZnw6wFaFM9us08BorOS00YFuEkPtngAMzPULKVkLDeRq4nCDTt0suyDZoVl_COZqIaLo9Ejs0u1uEUJrXtLbBlWCNK5LKsfCAZemvISD6IKwqBGg47AHBrUYU_2MSvYcmfRtOofQG_xJ0WWLDTXJHEubvMQyiwYAFUlW8xlCdeW33HDeD7XRQwWrhTWN8.B73_0nogTGrs.X3W9ttiX_pJnz23anHR_6HPpau61yq3Dko7tD4MRFZZ.x0npcnsonbfq_XDL3cvOL0IDQ26TdCIXHNo_E8OHYyxwtosrtIdj6qnjyxWIyQd0_GMvdyx_lP6GUscyamIVmNicYcQJOri1V_O9GaSifIeZcJbEbCKiIOPwhGnHWMTwrRHcUrCfO6.qchbMXTTBW5YzQFD3azVlDCG3NySDnR_VH9_QrbMj5NRJWUB25NCRTKulIkG4GLH_bN.ObjexPGtrGlz5jbRsh2.vIfi3ZJXjJLoIOzFbRr9a7m3O6WKLG.PDvfJSLZOU5iySfAvRB9RsgNUOF6h4A1xUBr_TQ3MX7lFQGQF3sgEYHvivOIRPPn2LKmICBE897.Iat.xuj5vAfXoh8_o4DtqDU_2R7oToO_RPQsAZEZ3_DifZmRl70QnC51bKYA7BMJ6Fr6i9AEu0zmCqR8TNYayI3w2u2y2PgGgWIvsNmGxwcYyX4C1Z48oyPW7radx48XgtFdOgHgQ925zOyoQ92l3JuEcb_5nvSN9Pc.KqDONbDtOCbQL.atDivZM6h_w5CUo4802zd8woijx7Y.VgYVP4d_2V1IirfW53EYfLgvrnJRNAlGQXxT1jTKodmbAI6nrAU4RvpyYMPfLxHgaSsKF4h2aBwaYA95wmMBjNrpCzO3hl9xvN_InvN6TwpA80EmSMiCxCzEwXipD5Ck6Z1cvUQV0EZZssl4WXqMQWGhKRw_1HYJWK2t9dCwzK3TXI8Oskza9h0.TcmOX0D6U4ijKHvjXZfsXdYnTW4Le1OFo6WzSwKdKb7RHVYr3llCce59kKCjpVbxpW.EAWUteujqg7RKpfAqAh.gGfGBS2iCDGNSHy5joyXRsYG4U3PzEnjltQ7xSHL3f2KvAGbMsCu5LgRq9KplEbDGV37CjdssD.AFoqBeuzZkYgnwKj87_uYn9KLUdErb6Wj21YwU4LTAaP06EpqykwifmWhw6fgkvxZQ4jio4_gL471ADnLiY3PAWKtrJmTnNeNXe3Aiuh_byWp6FqS9vdUjyd08zzVi14X4ZeuMAO0bg6TmX1OC59C_fUXVM2g1emUK4Y2Zj6CR3uEa36FIJa5lsNDTB7_Zb2PwULPMdIHTvIDXoP2LH5cNa5zxHq9wfbZYJ6kyNbtvLuZqdsy7fEIR51lirTB4SjWIubbACeF0vEBuljlIJCR4r2L22hIoP9FoFgnvY0uEgIILEz3g_6Ckl_gokBFsm.QCSQ7FKDLJf57Q97FJTanan0YvlhiK2zi0riUUj9syq0RJpcqYvVF3rEOOPYONnrkWMGqO372fewLLUw.FEO.4gF03jDGANOXvFMdOOgAd3R1tOO4mEWsnA4NDhFZWRXu0yxhBNJY11hji3k4tqj.sOfPqC1fmeZ4eRNDlFYqly9F1IQ.OH5m0bP99MqgpkoTVa6p81Y90G5eETutjVlN_qsvHsgcezIsncNMkfCm0w3nmeWz_M8STZg.VebWz9Vkb4OrHnu23RINiZSh.AIN2.q4gXugBapOKMUqw5XIKvvvyxoYxL09fAEFY2t4IBd7tUB0g_S6cdH6ZfsPJF5YXOSPRITSg5LHfxZgjkEc62LZKg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110d139dc5dc946';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\/1264803759?__cf_chl_rt_tk=oMAaNIcUv1syFGt7tEyzioLARL6tUkCgKEB7q1wKf4w-1739407753-1.0.1.1-FyujxJ38ggZCbGXy9VAUYUWQHmbhe7enC8fxGkq_ges" + 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