Bug: "Firefox CP web content" is using up immense of my CPU % and RAM and causing my computer to run EXTREMELY SLOW!
Status: RESOLVED
Priority: --
Resolution: INCOMPLETE
Created: 2021-05-27 00:06:38+00:00
Resolved: 2021-06-15 11:16:12+00:00

"Firefox CP web content" is using up immense of my CPU % and RAM and causing my computer to run EXTREMELY SLOW! I have attached the most recent memory report.

Here is my about:support - 

Application Basics
------------------

Name: Firefox
Version: 78.10.1esr
Build ID: 20210503134251
Distribution ID:
Update Channel: esr
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:78.0) Gecko/20100101 Firefox/78.0
OS: Darwin 15.6.0
Multiprocess Windows: 2/2 Enabled by default
Remote Processes: 10
Enterprise Policies: Inactive
Google Location Service Key: Found
Google Safebrowsing Key: Found
Mozilla Location Service Key: Found
Safe Mode: false

Crash Reports for the Last 3 Days
---------------------------------

Firefox Features
----------------

Name: DoH Roll-Out
Version: 1.3.0
ID: doh-rollout@mozilla.org

Name: Firefox Screenshots
Version: 39.0.0
ID: screenshots@mozilla.org

Name: Form Autofill
Version: 1.0
ID: formautofill@mozilla.org

Name: Web Compat
Version: 11.1.0
ID: webcompat@mozilla.org

Name: WebCompat Reporter
Version: 1.3.0
ID: webcompat-reporter@mozilla.org

Remote Processes
----------------

Type: Web Content
Count: 8 / 8

Type: Privileged About
Count: 1

Type: Extension
Count: 1

Extensions
----------

Name: Amazon.com
Version: 1.1
Enabled: true
ID: amazondotcom@search.mozilla.org

Name: Bing
Version: 1.1.1
Enabled: true
ID: bing@search.mozilla.org

Name: DuckDuckGo
Version: 1.0
Enabled: true
ID: ddg@search.mozilla.org

Name: eBay
Version: 1.1
Enabled: true
ID: ebay@search.mozilla.org

Name: Google
Version: 1.0
Enabled: true
ID: google@search.mozilla.org

Name: vidIQ Vision for YouTube
Version: 3.46.0
Enabled: true
ID: firefox@vid.io

Name: Wikipedia (en)
Version: 1.0
Enabled: true
ID: wikipedia@search.mozilla.org

Name: Adobe Acrobat
Version: 18.0.9
Enabled: false
ID: web2pdfextension.17@acrobat.adobe.com

Graphics
--------

Features
Compositing: OpenGL
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled
WebGL 1 Driver WSI Info: CGL
WebGL 1 Driver Renderer: Intel Inc. -- Intel(R) Iris(TM) Pro Graphics 6200
WebGL 1 Driver Version: 4.1 INTEL-10.14.73
WebGL 1 Driver Extensions: GL_ARB_blend_func_extended GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader5 GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_occlusion_query2 GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shader_subroutine GL_ARB_shading_language_include GL_ARB_tessellation_shader GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_cube_map_array GL_ARB_texture_gather GL_ARB_texture_query_lod GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_vertex_attrib_64bit GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_sRGB_decode GL_APPLE_client_storage GL_APPLE_container_object_shareable GL_APPLE_flush_render GL_APPLE_object_purgeable GL_APPLE_rgb_422 GL_APPLE_row_bytes GL_APPLE_texture_range GL_ATI_texture_mirror_once GL_NV_texture_barrier
WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_fbo_render_mipmap OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
WebGL 2 Driver WSI Info: CGL
WebGL 2 Driver Renderer: Intel Inc. -- Intel(R) Iris(TM) Pro Graphics 6200
WebGL 2 Driver Version: 4.1 INTEL-10.14.73
WebGL 2 Driver Extensions: GL_ARB_blend_func_extended GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader5 GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_occlusion_query2 GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shader_subroutine GL_ARB_shading_language_include GL_ARB_tessellation_shader GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_cube_map_array GL_ARB_texture_gather GL_ARB_texture_query_lod GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_vertex_attrib_64bit GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_sRGB_decode GL_APPLE_client_storage GL_APPLE_container_object_shareable GL_APPLE_flush_render GL_APPLE_object_purgeable GL_APPLE_rgb_422 GL_APPLE_row_bytes GL_APPLE_texture_range GL_ATI_texture_mirror_once GL_NV_texture_barrier
WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Uses Tiling: true
Uses Tiling (Content): true
Off Main Thread Painting Enabled: true
Off Main Thread Painting Worker Count: 3
Target Frame Rate: 60
GPU #1
Active: Yes
Vendor ID: 0x8086
Device ID: 0x1622
RAM: 0

Diagnostics
AzureCanvasBackend: skia
AzureContentBackend: skia
AzureFallbackCanvasBackend: none
CMSOutputProfile: AAAMyGFwcGwCEAAAbW50clJHQiBYWVogB+UAAQAHAAcADQAVYWNzcEFQUEwAAAAAQVBQTAAAAAAAAAAAAAAAAAAAAAAAAPbWAAEAAAAA0y1hcHBsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARZGVzYwAAAVAAAABiZHNjbQAAAbQAAAGwY3BydAAAA2QAAAAjd3RwdAAAA4gAAAAUclhZWgAAA5wAAAAUZ1hZWgAAA7AAAAAUYlhZWgAAA8QAAAAUclRSQwAAA9gAAAgMYWFyZwAAC+QAAAAgdmNndAAADAQAAAAwbmRpbgAADDQAAAA+Y2hhZAAADHQAAAAsbW1vZAAADKAAAAAoYlRSQwAAA9gAAAgMZ1RSQwAAA9gAAAgMYWFiZwAAC+QAAAAgYWFnZwAAC+QAAAAgZGVzYwAAAAAAAAAIRGlzcGxheQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAG1sdWMAAAAAAAAAIgAAAAxockhSAAAACAAAAahrb0tSAAAACAAAAahuYk5PAAAACAAAAahpZAAAAAAACAAAAahodUhVAAAACAAAAahjc0NaAAAACAAAAahkYURLAAAACAAAAah1a1VBAAAACAAAAahhcgAAAAAACAAAAahpdElUAAAACAAAAahyb1JPAAAACAAAAahubE5MAAAACAAAAahoZUlMAAAACAAAAahlc0VTAAAACAAAAahmaUZJAAAACAAAAah6aFRXAAAACAAAAah2aVZOAAAACAAAAahza1NLAAAACAAAAah6aENOAAAACAAAAahydVJVAAAACAAAAahmckZSAAAACAAAAahtcwAAAAAACAAAAahjYUVTAAAACAAAAah0aFRIAAAACAAAAahlc1hMAAAACAAAAahkZURFAAAACAAAAahlblVTAAAACAAAAahwdEJSAAAACAAAAahwbFBMAAAACAAAAahlbEdSAAAACAAAAahzdlNFAAAACAAAAah0clRSAAAACAAAAahqYUpQAAAACAAAAahwdFBUAAAACAAAAagAaQBNAGEAY3RleHQAAAAAQ29weXJpZ2h0IEFwcGxlIEluYy4sIDIwMjEAAFhZWiAAAAAAAADzFgABAAAAARbKWFlaIAAAAAAAAINYAAA8zQAAAB9YWVogAAAAAAAASzgAALJWAAAKxFhZWiAAAAAAAAAoRQAAEN0AAMhKY3VydgAAAAAAAAQAAAAABQAKAA8AFAAZAB4AIwAoAC0AMgA2ADsAQABFAEoATwBUAFkAXgBjAGgAbQByAHcAfACBAIYAiwCQAJUAmgCfAKMAqACtALIAtwC8AMEAxgDLANAA1QDbAOAA5QDrAPAA9gD7AQEBBwENARMBGQEfASUBKwEyATgBPgFFAUwBUgFZAWABZwFuAXUBfAGDAYsBkgGaAaEBqQGxAbkBwQHJAdEB2QHhAekB8gH6AgMCDAIUAh0CJgIvAjgCQQJLAlQCXQJnAnECegKEAo4CmAKiAqwCtgLBAssC1QLgAusC9QMAAwsDFgMhAy0DOANDA08DWgNmA3IDfgOKA5YDogOuA7oDxwPTA+AD7AP5BAYEEwQgBC0EOwRIBFUEYwRxBH4EjASaBKgEtgTEBNME4QTwBP4FDQUcBSsFOgVJBVgFZwV3BYYFlgWmBbUFxQXVBeUF9gYGBhYGJwY3BkgGWQZqBnsGjAadBq8GwAbRBuMG9QcHBxkHKwc9B08HYQd0B4YHmQesB78H0gflB/gICwgfCDIIRghaCG4IggiWCKoIvgjSCOcI+wkQCSUJOglPCWQJeQmPCaQJugnPCeUJ+woRCicKPQpUCmoKgQqYCq4KxQrcCvMLCwsiCzkLUQtpC4ALmAuwC8gL4Qv5DBIMKgxDDFwMdQyODKcMwAzZDPMNDQ0mDUANWg10DY4NqQ3DDd4N+A4TDi4OSQ5kDn8Omw62DtIO7g8JDyUPQQ9eD3oPlg+zD88P7BAJECYQQxBhEH4QmxC5ENcQ9RETETERTxFtEYwRqhHJEegSBxImEkUSZBKEEqMSwxLjEwMTIxNDE2MTgxOkE8UT5RQGFCcUSRRqFIsUrRTOFPAVEhU0FVYVeBWbFb0V4BYDFiYWSRZsFo8WshbWFvoXHRdBF2UXiReuF9IX9xgbGEAYZRiKGK8Y1Rj6GSAZRRlrGZEZtxndGgQaKhpRGncanhrFGuwbFBs7G2MbihuyG9ocAhwqHFIcexyjHMwc9R0eHUcdcB2ZHcMd7B4WHkAeah6UHr4e6R8THz4faR+UH78f6iAVIEEgbCCYIMQg8CEcIUghdSGhIc4h+yInIlUigiKvIt0jCiM4I2YjlCPCI/AkHyRNJHwkqyTaJQklOCVoJZclxyX3JicmVyaHJrcm6CcYJ0kneierJ9woDSg/KHEooijUKQYpOClrKZ0p0CoCKjUqaCqbKs8rAis2K2krnSvRLAUsOSxuLKIs1y0MLUEtdi2rLeEuFi5MLoIuty7uLyQvWi+RL8cv/jA1MGwwpDDbMRIxSjGCMbox8jIqMmMymzLUMw0zRjN/M7gz8TQrNGU0njTYNRM1TTWHNcI1/TY3NnI2rjbpNyQ3YDecN9c4FDhQOIw4yDkFOUI5fzm8Ofk6Njp0OrI67zstO2s7qjvoPCc8ZTykPOM9Ij1hPaE94D4gPmA+oD7gPyE/YT+iP+JAI0BkQKZA50EpQWpBrEHuQjBCckK1QvdDOkN9Q8BEA0RHRIpEzkUSRVVFmkXeRiJGZ0arRvBHNUd7R8BIBUhLSJFI10kdSWNJqUnwSjdKfUrESwxLU0uaS+JMKkxyTLpNAk1KTZNN3E4lTm5Ot08AT0lPk0/dUCdQcVC7UQZRUFGbUeZSMVJ8UsdTE1NfU6pT9lRCVI9U21UoVXVVwlYPVlxWqVb3V0RXklfgWC9YfVjLWRpZaVm4WgdaVlqmWvVbRVuVW+VcNVyGXNZdJ114XcleGl5sXr1fD19hX7NgBWBXYKpg/GFPYaJh9WJJYpxi8GNDY5dj62RAZJRk6WU9ZZJl52Y9ZpJm6Gc9Z5Nn6Wg/aJZo7GlDaZpp8WpIap9q92tPa6dr/2xXbK9tCG1gbbluEm5rbsRvHm94b9FwK3CGcOBxOnGVcfByS3KmcwFzXXO4dBR0cHTMdSh1hXXhdj52m3b4d1Z3s3gReG54zHkqeYl553pGeqV7BHtje8J8IXyBfOF9QX2hfgF+Yn7CfyN/hH/lgEeAqIEKgWuBzYIwgpKC9INXg7qEHYSAhOOFR4Wrhg6GcobXhzuHn4gEiGmIzokziZmJ/opkisqLMIuWi/yMY4zKjTGNmI3/jmaOzo82j56QBpBukNaRP5GokhGSepLjk02TtpQglIqU9JVflcmWNJaflwqXdZfgmEyYuJkkmZCZ/JpomtWbQpuvnByciZz3nWSd0p5Anq6fHZ+Ln/qgaaDYoUehtqImopajBqN2o+akVqTHpTilqaYapoum/adup+CoUqjEqTepqaocqo+rAqt1q+msXKzQrUStuK4trqGvFq+LsACwdbDqsWCx1rJLssKzOLOutCW0nLUTtYq2AbZ5tvC3aLfguFm40blKucK6O7q1uy67p7whvJu9Fb2Pvgq+hL7/v3q/9cBwwOzBZ8Hjwl/C28NYw9TEUcTOxUvFyMZGxsPHQce/yD3IvMk6ybnKOMq3yzbLtsw1zLXNNc21zjbOts83z7jQOdC60TzRvtI/0sHTRNPG1EnUy9VO1dHWVdbY11zX4Nhk2OjZbNnx2nba+9uA3AXcit0Q3ZbeHN6i3ynfr+A24L3hROHM4lPi2+Nj4+vkc+T85YTmDeaW5x/nqegy6LzpRunQ6lvq5etw6/vshu0R7ZzuKO6070DvzPBY8OXxcvH/8ozzGfOn9DT0wvVQ9d72bfb794r4Gfio+Tj5x/pX+uf7d/wH/Jj9Kf26/kv+3P9t//9wYXJhAAAAAAADAAAAAmZmAADypwAADVkAABPQAAAKDnZjZ3QAAAAAAAAAAQABAAAAAAAAAAEAAAABAAAAAAAAAAEAAAABAAAAAAAAAAEAAG5kaW4AAAAAAAAANgAArkAAAFEAAABDwAAAsMAAACaAAAAPQAAAUAAAAFRAAAIzMwACMzMAAjMzAAAAAAAAAABzZjMyAAAAAAABDHIAAAX4///zHQAAB7oAAP1y///7nf///aQAAAPZAADAcW1tb2QAAAAAAAAGEAAAoDLX4UJP0ae6gAAAAAAAAAAAAAAAAAAAAAA=
Display0: 2048x1152 scale:2.000000
Display1: 1680x1050 scale:1.000000
DisplayCount: 2
TileHeight: 1024
TileWidth: 1024
Decision Log
HW_COMPOSITING:
available by default
OPENGL_COMPOSITING:
available by default
WEBRENDER:
opt-in by default: WebRender is an opt-in feature
WEBRENDER_QUALIFIED:
available by default
blacklisted by env: No qualified hardware
WEBRENDER_COMPOSITOR:
disabled by default: Disabled by default
WEBRENDER_ANGLE:
opt-in by default: WebRender ANGLE is an opt-in feature
WEBRENDER_DCOMP_PRESENT:
opt-in by default: WebRender DirectComposition is an opt-in feature
OMTP:
available by default
WEBGPU:
disabled by default: Disabled by default
blocked by runtime: WebGPU can only be enabled in nightly




Media
-----

Audio Backend: audiounit-rust
Max Channels: 4
Preferred Sample Rate: 44100
Roundtrip latency (standard deviation): 8.65ms (0.01)
Output Devices
Name: Group
Internal Speakers: builtin-internal-mic|spk
Duet USB: AppleUSBAudioDevice:Duet USB
Input Devices
Name: Group
Internal Microphone: builtin-internal-mic|spk
Duet USB: AppleUSBAudioDevice:Duet USB

Enumerate database

Important Modified Preferences
------------------------------

accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.amount_written: 1376463
browser.cache.disk.capacity: 1048576
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.hashstats_reported: 1
browser.contentblocking.category: strict
browser.search.region: US
browser.search.useDBForOrder: true
browser.sessionstore.upgradeBackup.latestBuildID: 20210503134251
browser.startup.homepage_override.buildID: 20210503134251
browser.startup.homepage_override.mstone: 78.10.1
browser.urlbar.placeholderName: DuckDuckGo
browser.urlbar.tipShownCount.searchTip_onboard: 4
dom.forms.autocomplete.formautofill: true
dom.push.userAgentID: 2d84966246ea47b58a543e98d67f7dd3
extensions.formautofill.firstTimeUse: false
extensions.lastAppVersion: 78.10.1
font.internaluseonly.changed: true
idle.lastDailyNotification: 1622044522
media.gmp-gmpopenh264.abi: x86_64-gcc3
media.gmp-gmpopenh264.lastUpdate: 1604704948
media.gmp-gmpopenh264.version: 1.8.1.1
media.gmp-manager.buildID: 20210503134251
media.gmp-manager.lastCheck: 1622041027
media.gmp-widevinecdm.abi: x86_64-gcc3
media.gmp-widevinecdm.lastUpdate: 1621984764
media.gmp-widevinecdm.version: 4.10.2209.1
media.gmp.storage.version.observed: 1
network.cookie.lifetimePolicy: 2
places.database.lastMaintenance: 1621638926
places.history.expiration.transient_current_max_pages: 97573
plugin.flash.arch: x86_64-gcc3
plugin.flash.blockliststate: 4
plugin.flash.desc: Shockwave Flash 28.0 r0
plugin.flash.lastmod_hi: 353
plugin.flash.lastmod_lo: -1670185784
plugin.flash.path: /Library/Internet Plug-Ins/Flash Player.plugin
plugin.flash.version: 28.0.0.161
privacy.cpd.offlineApps: true
privacy.cpd.siteSettings: true
privacy.purge_trackers.date_in_cookie_database: 0
privacy.sanitize.pending: [{"id":"newtab-container","itemsToClear":[],"options":{}}]
privacy.sanitize.timeSpan: 2
privacy.trackingprotection.enabled: true
privacy.trackingprotection.socialtracking.enabled: true
security.remote_settings.crlite_filters.checked: 1622059456
security.remote_settings.intermediates.checked: 1622041448
security.sandbox.content.tempDirSuffix: 49ad58de-70fc-ee44-a685-54171afa736f
security.sandbox.plugin.tempDirSuffix: f8d41697-c538-f340-93e9-a6608a79a573
services.sync.declinedEngines:
services.sync.engine.addresses.available: true
signon.importedFromSqlite: true
storage.vacuum.last.index: 1
storage.vacuum.last.places.sqlite: 1619647286

Important Locked Preferences
----------------------------

dom.ipc.processCount.webIsolated: 1
fission.autostart: false

Places Database
---------------

Accessibility
-------------

Activated: false
Prevent Accessibility: 0

Library Versions
----------------

NSPR
Expected minimum version: 4.25.1
Version in use: 4.25.1

NSS
Expected minimum version: 3.53.1
Version in use: 3.53.1

NSSSMIME
Expected minimum version: 3.53.1
Version in use: 3.53.1

NSSSSL
Expected minimum version: 3.53.1
Version in use: 3.53.1

NSSUTIL
Expected minimum version: 3.53.1
Version in use: 3.53.1

Sandbox
-------

Content Process Sandbox Level: 3
Effective Content Process Sandbox Level: 3

Startup Cache
-------------

Disk Cache Path: /Users/sasha/Library/Caches/Firefox/Profiles/bgveqexi.default-esr/startupCache/startupCache.8.little
Ignore Disk Cache: false
Found Disk Cache on Init: true
Wrote to Disk Cache: false

Internationalization & Localization
-----------------------------------

Application Settings
Requested Locales: ["en-US"]
Available Locales: ["en-US"]
App Locales: ["en-US"]
Regional Preferences: ["en"]
Default Locale: "en-US"
Operating System
System Locales: ["en"]
Regional Preferences: ["en"]