It looks like the index is created from JavaScript. Here is what is in the page...
<script>
window.drive_names = JSON.parse('["Hash Hackers Pro BOT 01","Hash Hackers Temp Torrent Group (Regularly Removed Data)","HH_Anime.ANK-Raws","HH_AudioBooks","HH_Bollywood","HH_Books.Mags","HH_Business","HH_Calibre","HH_CalibreServers.01","HH_Cartoons","HH_Comics.0-Day.01","HH_Course.Categories","HH_Courses","HH_Courses.A-H","HH_Courses.I-Q","HH_Courses.R-Z","HH_Courses.SourceSites","HH_Courses.Udemy.01","HH_Courses-ArchiveSites","HH_Discography","HH_EDU.01","HH_EDU.02","HH_Leaks.Hacks","HH_Leaks.RansomGroups","HH_Library","HH_Music.FLAC","HH_MusicVideos","HH_PlexTV","HH_PornSites","HH_PornStars","HH_PornUNKNOWN","HH_PornZ.ASIAN-FILES","HH_Regional","HH_SiteClones","HH_TheOccult.click","HH_TV.Networks","HH_WebDev","HH.Anime.01","HH.Anime.02","HH.BDMV","HH.Comics.01","HH.Docus.01","HH.Foreign","HH.Games.01","HH.Movies","HH.Music.01","HH.Music.02","HH.Software","HH.Sports","HH.TV.Alpha","HH.TV.Episodes","HH.Z.COLLECTIONS.Resort","HH.Z.EnCodes","HH.Z.Movie.Packs","HH.Z.TO.BE.DELETED","HH.Z.UPLOADS","HH.Z.UPLOADS.FOREIGN","HH.ZZ.11","HH.ZZ.25","HH.ZZ.CLEAN.ME","HH.ZZ.CLEANER","HH.ZZ.CLEANER.FOLDERS","HH.ZZ.Movie.Cleaner","HH.ZZ.Music.Cleaner","HH.ZZ.SITES","HH.ZZ.SubFolders","HH.ZZ.TV.Cleaner","HH.ZZ.UNKNOWN","HH.ZZZ.Subs.Rename","HH.ZZZZ.CHINESE","HH.ZZZZ.Colab.Cloner","HHN_Collection.EDITH"]');
window.UI = JSON.parse('{"theme":"slate","version":"2.1.2","logo_image":true,"logo_height":"","logo_width":"100px","favicon":"https://cdn.jsdelivr.net/npm/@googledrive/index@2.0.20/images/favicon.ico","logo_link_name":"https://cdn.jsdelivr.net/npm/@googledrive/index@2.0.20/images/bhadoo-cloud-logo-white.svg","fixed_header":false,"header_padding":"60","nav_link_1":"Home","nav_link_3":"Current Path","nav_link_4":"Contact","show_logout_button":true,"fixed_footer":false,"hide_footer":true,"header_style_class":"navbar-dark bg-primary","footer_style_class":"bg-primary","css_a_tag_color":"white","css_p_tag_color":"white","folder_text_color":"white","loading_spinner_class":"text-light","search_button_class":"btn btn-danger","path_nav_alert_class":"alert alert-primary","file_view_alert_class":"alert alert-danger","file_count_alert_class":"alert alert-secondary","contact_link":"https://telegram.dog/Telegram","copyright_year":"2050","company_name":"Bhadoo Cloud","company_link":"https://telegram.dog/Telegram","credit":true,"display_size":true,"display_time":false,"display_download":true,"disable_player":false,"custom_srt_lang":"","disable_video_download":false,"second_domain_for_dl":true,"downloaddomain":"https://stream.proxy.jan-2022-api.workers.dev","videodomain":"https://stream.proxy.december-2021-api-2.workers.dev","poster":"https://cdn.jsdelivr.net/npm/@googledrive/index@2.0.20/images/poster.jpg","audioposter":"https://cdn.jsdelivr.net/npm/@googledrive/index@2.0.20/images/music.jpg","jsdelivr_cdn_src":"https://cdn.jsdelivr.net/npm/@googledrive/index","render_head_md":true,"render_readme_md":true,"display_drive_link":false,"plyr_io_version":"3.6.4","plyr_io_video_resolution":"16:9","unauthorized_owner_link":"https://telegram.dog/Telegram","unauthorized_owner_email":"abuse@telegram.org","arc_code":"jfoY2h19","modified_function_no_use":false}');
</script>
Rclone doesn't support running javascript to make the HTTP pages so I don't think it is possible with the http backend.
It would be possible for rclone to use the chrome dev tools interface which I discovered recently to drive a headless chrome browser to render the pages first but that is probably out of scope for the http backend.