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-aff8w5mp1.mit-edu.top/post/9807325146

  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-aff8w5mp1.mit-edu.top",cType: 'managed',cRay: '90f8b1639f200583',cH: 'hgwh3R0RLhrRA.epiMhwPSXY7TtK9PvSYLb0n3obqmo-1739154791-1.2.1.1-QA5eAeFhvml_6F25Jaz1qgoqi8ow1XywM8U._EsVs1h33ahQaxWfRP2BNQifjycz',cUPMDTk: "\/post\/9807325146?__cf_chl_tk=3xmLebgEjO6vwuIlkGjXKVLSJ0nlkZCLeJ7LZE4Vi.U-1739154791-1.0.1.1-pM17BzWWiR733QseS07tZoijkF3c2ySDooyruvDb0WE",cFPWv: 'g',cITimeS: '1739154791',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9807325146?__cf_chl_f_tk=3xmLebgEjO6vwuIlkGjXKVLSJ0nlkZCLeJ7LZE4Vi.U-1739154791-1.0.1.1-pM17BzWWiR733QseS07tZoijkF3c2ySDooyruvDb0WE",md: "_GsGB8aYol2H_a5NBQpyGG1dQKGt9yn0WM7MVhk6aYA-1739154791-1.2.1.1-0O2F0vSU9mkdHFcb4I78dF6kBgE3WiKfmfEjziP34ezBgDhG7adDikbJtqTaPhFQ3F5ucpX1AStPLW1uW20umdWCZXLZg0VMKpx5wGKvbMkj3KStcnCZNr2QoRaWvYVlqKhdOGUFcNBsbTKW2GcQKAJPyqnslkxZheQ2jvIWT55TRD43bKbff30L2kIb95C.Wp.PAz1f11QEupByZ19gNRCWA3QkXYvfKvBMXHbAmUz4XxFO9nawulRnCwCqu7Njk7uqT70TTWxlf4q3.sqAZpRKaW.2ucvenhjteyCKtJYBb4a7jrbOO0ESQqxafLdk2QLm1so2xYrGykzUFMEuEGCGc6RGKSWWN0wwSX10iMNl89h3QVcD72nJKf3lJvTOinUmfGXSwd.V5ZUOeaNVzUxUfByABy.q6B4gK5heA1t2gpsee2t8DeX5292mUPWOnCZrV1la6MzR3dl54kfX5PB_YZz8zhQkT0Ydh.owpj.nCv0FqmXw9pdAtQTojnYWxtJJboXJ5L6GcCwA9bp3F1yYm3JFzYCttBo_oDGRLVQSle5uIUMkkvT.2tj_LFuaNFM5e.DBiMf8RX5F64iXmJhpaagLyhPbMi5MBK1FopodQmk1gbu36DWWQQcDr0ApDu3ld3V7Dwi685ONWIseKmONeLFOUtgvXqQHAXWBmIFlNl6dqKOWlnW0kQRkVMD7jj0BoPyrkuyEjRan.LOvipE5p4eEDeQ0H51LmYxnaiJiUw5vqb_MjZSq5Slin32V_XwLVDmL2hbuQ2tAXWu6DaRHx5aS9I5Ce2EEizscxIPbQ1bl8HwekJzfQ4b4dKYoFWmrWYmsb78Hdz8SjBsUA17_oMvvcEQ2UgiE0iaAgHSVPX5aSE3ZPpArHYuGRKcBy8syDNxra8VQ.5bctbVOHnP1IeE8n0K1K1Yd.K8DchUB9na1QdYBs_0Y.aZ9f7hE9yYWwAfODDXky118n9dKpIWSzpGv7cUWDfxSu6As0UuQdQ0skLS0w7n8o3UdsngxpqbzVhr.GcnSdy0LCBwQ8G6lz4EXX38Hi_tC3i_ZM6niDrKntBvK86yB75MH3mIUc3vgDIjZjSvFfCyXYrtNoeWzCCVjIk2R5R9..ohx0g7bo5Sxjw3HH2wxzsBWmb72ahhlo1yVoWInmONwIZHw2a0TdXxxFmW2xVn3HSjX6ViHFK8f1Ni9Rc9s9qgE4URMjWwex16WSnH.K4yb8oR8wj28BYrt3YmPKRmLegFlBjg.FZUEp757OcfqMXbBJVnPMNv3guHGh_yVVNDmIyT3PCrRzYs4nWdH25ekuUvpHMueZGt2uuu6FhMxi2MOntLfR_FkQqYAbYjlPkuCJHraKqnBNLByksu2fVsiuzu2orUbnlI0fhgN7_HTtRDxlicROpGOXIoVT5ADqli1bqrnwirZpXDmKGGVDF.Nl0JSVHYTX.N2OF8I_Sn.fefw0x8AAbVeekUmMC70gn5JoAQnsKuQgTTGrASHKAsQuZTsbkV4AuDS_7uOP97N3Mx4j66iVYG91eEfqYsKJp7vnMWzkhXH_FBbSLcLIuH0yNfBj_E4N2Rc.pxKQitq5uOgmH12em6560hUdQkhSagpnFchPWybJK01g6QCpK3aJYxJOEUCAMBCz01VU8AeFngQibX5VJoCGNGp_dzmX6HCBUhXIN8Wvt9qvZwsGmyToM9.4v.u5UMOUWtvyC4GF_YBkT1LR5ym.i_akeRYRvrVUpl__IdJcg1Y0EaEUy_NF7UkKfbEyfBAwyoEe0T9qnmI.Y3zRUEk4WErtpxRIWTVu6LOO5vqoY2NKg5Q6KJEAqEkA64SmYng9f4LXDfadrRjCUfNbBLgdd1y4uw0zJy6sn4HZllvgxdYaK6KHgSwCNqWi6dW_6oi8vNvfFceB8oPdpd_0e852Fnqxpj3XrT.K35SA7KaZzjsVvlYoR1zAjD6eH7ae4ViexLtNJBPJdku5_tXHyakjcUTTu1zG2fkE4Nd0eYGNUa3HVUaoijtoc0tuz6KhomGzRMu4wPniIfz1l1WSOC6BtL2phcvPMZo8UEvaffYzEKU_aMR0wFz2vqXQU.Z3P_eCgw.U.9t_TGTMk1poDfea2g_8jESOFUHytB5fESNiFH413ZRCtHDnPy00tl3gWYqwgNz4SvnLaHSKhgAkHGolLGnS8rPwJUlJonjIF0k1gqUKkmIr2jpAEUz4lyOOuziLVTLl2V0QixI5.Wo",mdrd: "rMxfmn7vst4XLj8L3BM.6PASc8fqqKeADlfZshNHPig-1739154791-1.2.1.1-4Vv.U.Qaj_Gw65pjyC74P3ZrRMAzn2T0eqhv2cKcbO0ILoM882xMEFN6_I5m9uXoB8dvj0r137TQ1ZSpMXDsyIuXO5KUx4iqNU2T1TSlb9LLEpokKUvXzH5SvEwTCG1.cS11ULnWlR5FXw8_kYyDeo2hiy7cIVqdTQehcYxI_.HV3Ohk13Ly3_H.Q29oy.nvsXj_QZ8p0fAf2r1DM5Fxh5SCNQP8vZ42Hz79iAPi4BRFZq8leo1D1GNnr1ejHPzDbKtATOcQYNAFJw2Nki2nIPwTN64bCjYnOwOO4mMOHgcTmC7sySwU7lFvvbSXjetYli3thrmHL2Ey8FAlTZMQTidZyWSJzsSslxnEPD643D3o0F9JWr7slw.lsW7rSuf02qOZ62H60ShHCvxEcnmiKlcFkT_OUsMKBZgAl1y7_07HaDUDozx7uTr3R3rJF6MsqoN6rLBUfbQ00RaD6gOTD38joWxHWhgx6XL6gRz4nGYHQyyWprDECTQkjwGds6mHHLyZWcFFEZtu3B6.3i_Vj0G8kRnsFwMzHXi9sayULOdteCNT33G0L_qX2hpb99v34X0D7kRB04etODopkHQ2w9tZ_Rq4OBNi8M1gCafUcLccgQYuTFD9oqIEcNox5Lb6PvUlzLWnJAK2Slhw1l8MfqSMWUoPq7OuCfM5eEj7eTPAmmhNR2D_7m.UopNL_Rsza1M9rR67qBXGImjq_CV4DUFcPAZ_OjMeb5PElKyuH_RTiIAoSTafzpij9ZNFxrIOL1LiDMbCx3ReDEz1LiakNHbnJg62zYzrQwkJJmfw3BhGDW89yJDpsZE9zkHLPqI7Jtc73pvfAX7BFk_w0ZB6QiTrauGF7rWxlU7clHtZ4QqUePN4uX3JcBTA1bHcTWepv0DDQQw9C2jYL3ZG1CuoeXkHpgpvGpdX5.ljtH0.YYtZDYaOaFFrBCrznpBA697obYOcTCM9d7j43.HB.EXY1pCEeIca8hUk5uozTpJ3_ntVgLDBE9c9Ey_L321lhZCPEXREObPwLQDgKRPY.71nkZ87icSM2160uXr9ccPWE7jfW.kNkuWEOBmHC.RU6gHgHLrWtr3Ge7XKZPRmBzvjAv8_J1sc9Zua2Iu_0q_Z.w0Q7viYxojaPGB9jr1Iqjpc45w4bPiZt1IQbNXEOQbgdksoVnbSjRhcg3VXKTWJ0lED.vecvYxigLpc1ae2uUs5jgv2fPlXVkiC8IVhSMfH3p4mXpxTaufp.Cb.WDnsSqmCEKjN7xWHOwgSvRfvthW4g1nN23wDM_lDM61P7hdk6lFrMu4b.gVFBeAK9g9hERd4ZR6QISKrPMIeYDahaGHye4aHP9yac6D.GFg8s1hyBbiEgJybAjGgbMAmipd5usHSfFnz6MMRdnzgM4bMGT7w3o1JQzt8UF4TDm8KIlXGYVZF.kR8SPLfR4XyPxy53mncP6cox6GmBP4FHEJoPJZuPAx4kxbCmnB6nNFf_OENaU3krppZkNOWYoAhnhk6EFCc2coUiVuHjnl0hw2ZtPir7IZhiiyCR.YzlBMGmuSrRjdRn6EIGg.5CXNaEmCZavPGl3ntFqMR_bh1gX4Jh5DEyKNVzKtDovFpCbyss3cDFGAIaidnjXFovl59YEbMSKvCsC9lMKEfXCIjRyct8EQoIDDwdp66nFq6XvlIS9SupXhvrstNiFe0WIudBDF0NllwaCAM.ktP3tsM8J8NupozY319X_Rgst7vood3o2i_Xc0LHPr4v2jNzCodmQ.d4BHwzK8NO0mjp6kpjIVwOnHzjL2ow3WTeQvnUKBwt4o4xd1_ggUVdaGOpyG.qum3I5c"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8b1639f200583';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\/9807325146?__cf_chl_rt_tk=3xmLebgEjO6vwuIlkGjXKVLSJ0nlkZCLeJ7LZE4Vi.U-1739154791-1.0.1.1-pM17BzWWiR733QseS07tZoijkF3c2ySDooyruvDb0WE" + 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