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-808089098419.mit-edu.top/post/1276905348

  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="360"></head><body><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-808089098419.mit-edu.top",cType: 'managed',cRay: '94b86e6dfbaef4e2',cH: 'NBZ0uka9HKqxc7vP1lpHSnt5LABar_Fc3NyuKAnmZ2I-1749218377-1.2.1.1-5MPs6rFlGFbIq09NIVeRthYn5RC7bpEoobBEX26aY21Aoagm7i128Svji2Wzc.zx',cUPMDTk: "\/post\/1276905348?__cf_chl_tk=AUk44d_.CFYobzFFZE4q5x48bQxlwzrU4Rvf6qiWD5U-1749218377-1.0.1.1-ZTVro8jH5ZeUd030RldpliSTHYlLaI8AsJIujibyqIo",cFPWv: 'g',cITimeS: '1749218377',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/1276905348?__cf_chl_f_tk=AUk44d_.CFYobzFFZE4q5x48bQxlwzrU4Rvf6qiWD5U-1749218377-1.0.1.1-ZTVro8jH5ZeUd030RldpliSTHYlLaI8AsJIujibyqIo",md: "KDrteb.w6NUTmYq1LUkAdg1J2HIbSPdgMFSKbyFDPUM-1749218377-1.2.1.1-eCZ5fx4cAt0iFW0l9Roirsc7gj2uSa75tGHpLDnJdwDPhc7LS07JQW0rvjOLlARLHfdCLOCezfVV7NAWfmBZSAQllIBJ1nPptK743E6EbP39G36isI9WJWu8vuyHeQi1sZVtlh.1aTf8yRu7TDY63blUOmZtd_w.6d8St.dxFrEyUHUvzc0nwiqciNLBV7vdsY48PETCcMtUWy_d7Xn2gU4HU9.yO6w4iM_LT5JWQhUGw_hDqsIWVIKUJfN1K_PCLNjgvHw5VcMbKFh84oT4eBllLnqlgDunNS.620qi3jODjhlYceawiCns_PNHxhD7Gh3KNsnCx2e5MTWVgaepXz125ex.e0dOm6kyGj_SeJkfLFUpwG4C0UTXNr9u75wimNN5mTDABAJ9ZIUwdqiI2gpq1mGpD0paXmwqY1ejp7duTSxgbRqDnfJo.SaBdhDP8Nqag1tXewmxTuYbls.ML1GD2in8Z35QUVawqCTABew1cr8hMDpgcKhba4KHYStvAEmHPiDk7gCXevympiyfKi6LpwRVDZuW9.yI0V5j8kSddVN4Tqs1R5oZPqTq1QKIrTAjEy.yOkAKCL.Gd3QFsEWSOX9Ra3.4YGRb_1Xk6_gX9xnanSJAfopIsHk3AfjeoVNQo91LGyT3G9JbqShFw_vGYr.fSuR_RlB9Gk7KuAmYcZ201rzf3CMQOSw3Y9eJ1SI5ZwJ_oFMYyRHfkprOoYX_1tI1aWbjdmc4m5SgMFWnuYXPm.GroxWqkijpxTQAk3R509LcDWY3bzWBzRpe28gmvBRp8iXLIVq.bJnPRD3qsLlPRtlguyxvluIc2QmzbmTq20xbWCkd9RtNTkLkUw",mdrd: "Uedv.I_hVF7pnx9pMek_PqjES3yoqALU6KIlhY.lBTg-1749218377-1.2.1.1-aXXpqPQzuiT5zUaWynhrq29jGqhvna0O0YXYwG_pyVJwHQ8e8RcfwB6_YKkzGPC92o9JD70fHW4glbS91paVecjauB2CpN4Wxj_CZciqr2qcXkxeyMOJOOSvVrixEzjsV.21V6fEOoLggZicZq4ORK4_EJrV6lHIaGlGCqz.tc_F0xDKH.HVyruuSN.Es1h6ZgFx4sv.7f1Zy86ETTBJWebnfOqO_zcLC.2cHFbNYAcAroaI.nCkn9ZFXtMM5WQzP7l5LWb1qtMA5PuxDfIKK3rCEVV4Vk8N_K0g9jOse5LA23eKIhS.oU3c8pSHrECL.tA2NLkh1lby_PyFSjmLNdmPR4RQdSk6gF8txeZGG3_DF2pdr.Ocs9LpeNHEoy5fFN_oA4krdqQyXycA2CMSfm1z3MECsriSewqtfno6PEbEtBSL8Jucc7by_GCCkS8m6J3YMwyhWKgf_KcAY4R38.8xQIOF.UqpSCOkFvLOqqlKF3R1xGARalB33ZbosxWi1yhObxpz5WB3qdfRNJITG.ZIQHLk.LaKwEWVW1m00.ONwvw8lcCkawi9MANwZwlOQCESH_7C2isFWUrHd.iguPDjjMABj2T4Vz2_jbx_KExiTb3UtNMzSLZvLgMnCUx98n5C8DK4rIdPzotMAvEcVH57ywhE7ZWAoXExAZDoougrwydhEmfldexQiFyB1FASt0BfmPET7sg4G0VsFvStQDOmKTy4Xz9lf28dO_VuuBPhLn4cOAtpog5uGqDTRMQhcjeCMnLcppnumOTNKbKCn_YdC.cMhMDxgojvMrFwJb3OaUBqTxiJvRd3kUamg8eH7BHT1M9weeSk2Qrv9TtTq0KVP2lL8e3eN8Y5e7s.zYYCH21rDuG.lrhfG6SfR_qvJURvYnJ_pz8zUcYKVQhgeDnN9FYug.uScuKNktZJrpOJa92FfhiuACHHdp5Yp7UL.1WWSE2maF9qyhao2_k27pZZiiIs3z0KBvoFAAS05f.Axls9o8.tXjQFIo2jmhuHEKw4qXPMzGUIFOBnILqq3Wv.vZoVskZlwgAV9TNH9R7gJeZN8jzGntnONg183Tol1swrtZlcZ9YFUj.N48B5EpQbwoMmkUQLCBkw0WKKuRoW9iR4a.IRndRL6VlLra4s3g3ehhglVR_NSYz83i9MlHX2iv6F29fjDtesVtzvRIBPhyoEFsYdxefEJmKwdl6XKTDfiZ6EtClmtJODhby0dXiXTatN2e0KYIn3w7Zm135lEyXz5O65.LWEMkVZhBJysp0vzkhsV5RPW2gp.8sCDOn4zmkcJdv3GR0ihqp0e7VALc_55KoLPDLASZOs9PSs42SdhtqTg.8YDlBnFgPHnXVnjNvK7aMThIUDaGdAkPzEOKfk6SyzEavl80ep7tqYoW95qDp_lQo7orqzqVastrVkcd.JECB6xMDVeQnDrobT_XY9mjWH6XGteFYWFKB8_DOzrT3tVusG3TILV67uaJtawu6.cmSje_lWvHlu_FksUD3E_hOXnfNh7x7nq_v7_1ZGAKQTex6GDR3AgNOtFCj3aB9wU.9XKJoGh2fFBZFjZ2mI8jgeE0MY1v_qm6lRcVkpPa9ppCFptfmU0n_2yG2FY3HJum1bvw_LPYio6VVNJP0FW_Kzo_9yz3FpV5v73R4MAfobTXaFVBBvt.i8Yc1KRR2PnlRfizVKrfKwnBDei_u32VYBnUyxzBCBUwIk18GqxlbLh7OKqR89CnH09AqKXQYbq_KbSA5Lx.4a3ikvqGGIIBDtWNm9FYDlzYWYHXGeh58i6HjcmhQNT3ix0ZI4.KHoHYa77dp45UjXSF9JaDEofFZslj3Bp8FSce7Uh0K2BlERg.SU7K77ocSXeg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b86e6dfbaef4e2';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\/1276905348?__cf_chl_rt_tk=AUk44d_.CFYobzFFZE4q5x48bQxlwzrU4Rvf6qiWD5U-1749218377-1.0.1.1-ZTVro8jH5ZeUd030RldpliSTHYlLaI8AsJIujibyqIo" + 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