1. use 64bit firefox, and make sure you got more RAM like 16GB or more
   1. https://www.mozilla.org/en-US/firefox/all/?q=english
2. Check current Firefox status
   1. check current RAM memory usage by url link:

      about:memory

   2. monitar tab memory usage extension: https://addons.mozilla.org/en-US/firefox/addon/tab-data/
   3. check current Disk cache usage by url link:

      about:cache

3. Use More RAM for Speed: as we know RAM is way faster than Disk, so disable Disk cache and use RAM cache only

   about:config
   # click ok, and search for browser.cache; double click follow entry to make sure set as following
   browser.cache.disk.enable == > false
   browser.cache.memory.enable == > true
   # change or create following entry by right click on that page, pop-up menu > New > Integer
   browser.cache.memory.capacity ==> -1

• make open tab into background tab by default
  • go link about:config, set to true when type

    browser.tabs.loadDivertedInBackground

• hide suggestion in address bar
  • go setting > privacy panel, in “Address Bar - When using the address bar, suggest”, uncheck all

• disable private mode: Private Begone addon

  REG ADD HKLM\SOFTWARE\Policies\Mozilla\Firefox /v DisablePrivateBrowsing /t REG_DWORD /d 1

• commandline ref:http://kb.mozillazine.org/Command_line_arguments
• cmd to run new instant of firefox (Linux)

  ./firefox -P newProfileName -no-remote

• Lastest nightly version of Firefox
  • http://nightly.mozilla.org/

For Linux,

• download libflashplayer.so
• put it under ./plugins
• restart firefox

For Windows,

• put NPSWF32.dll and flashplayer.xpt in ./plugins (which is located at c:\Windows\system32\Macromed\Flash\)

• https://addons.mozilla.org/en-US/firefox/addon/tabs-backup/

• some website just to distracting with its content, here are some useful blocking code for some parts of content-pushing sites
  • youtube recommand list on front page and side panel

    youtube.com##.style-scope.ytd-watch-next-secondary-results-renderer
    youtube.com###dismissable
    youtube.com##.style-scope.ytd-shelf-renderer

• youtube repeat: http://youtubeonrepeat.com/youtube-repeat-button/

• run javascipt command: just type javascript in the console from Inspect Panel (Press Esc key to toggle console display)
  • example of show a element from console

    document.getElementById("show").style.display = "block";

  • example of click a button by finding it through class name

    document.getElementsByClassName("bds_tsina")[0].click()

  • example of reload a page

    location.reload();

  • example of nest query a content

    text = document.getElementById('shared_download').getElementsByTagName("p")[0].innerHTML;
    print('\n'+text.split(" ")[1]+'\n'+text.split(" ")[3]+'\n');

• bili video download:
  • ref: https://zhuanlan.zhihu.com/p/124293184
  • desktop tool: https://github.com/leiurayer/downkyi
  • online tool:
    • https://xbeibeix.com/api/bilibili/
    • https://bilibili.iiilab.com/