Disable pre fetching in uBlock Origin

dom.ipc.processPriorityManager.backgroundUsesEcoQoS false

accessibility.force_disabled 1

network.dns.disablePrefetch false

network.prefetch-next true

network.predictor.enabled true

network.dns.disablePrefetchFromHTTPS false

network.predictor.enable-hover-on-ssl true

security.remote_settings.crlite_filters.enabled true

network.http.max-connections 1800

network.http.max-persistent-connections-per-server 10

browser.tabs.loadBookmarksInTabs true

full-screen-api.transition-duration.leave 0 0

full-screen-api.transition-duration.enter 0 0

full-screen-api.warning.timeout 0

extensions.pocket.enabled false

findbar.highlightAll true

ui.key.menuAccessKeyFocuses false (disables alt menu)

FASTFOX.js below

gfx.canvas.accelerated.cache-items 4096

gfx.canvas.accelerated.cache-size 512

gfx.content.skia-font-cache-size 20

content.notify.interval 100000

media.memory_cache_max_size 65536

image.mem.decode_bytes_at_a_time 32768

network.http.max-urgent-start-excessive-connections-per-host 5

network.http.pacing.requests.enabled false

network.ssl_tokens_cache_capacity 10240

https://reddit.com/r/firefox/comments/107fj69/how_can_i_disable_the_efficiency_mode_on_firefox https://www.reddit.com/r/firefox/comments/18tfw3w/again_some_tips_for_accelerating_firefox_using/ https://www.reddit.com/r/firefox/comments/1efmvvk/if_youre_using_windows_11_and_firefox_is_laggy/ https://www.reddit.com/r/firefox/comments/17grts7/speculative_preload_and_crlite_2_builtin_options/ https://www.reddit.com/r/firefox/comments/11m2yuh/how_do_i_make_firefox_use_more_of_my_900_megabit/ https://www.reddit.com/r/firefox/comments/17hlkhp/what_are_your_must_have_changes_in_aboutconfig/ https://github.com/yokoffing/Betterfox/blob/main/Fastfox.js

userChrome.css:

#context-openlinkinusercontext-menu {
  display:none !important;
}
 
/* For the extension "Open In Temp Container" */
#_4908d5d9-b33e-4cae-9cfe-9d7093ae4d9b_-menuitem-1 {
  order: -1
}
 
#context-openlinkintab {
  order: -1
}