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addons.mozilla.org

addons.mozilla.org

Website Analysis: addons.mozilla.org

 Generated on January 19 2026 06:16 AM

Old statistics? UPDATE !


The score is 45/100

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SEO Content
Title

Add-ons for Firefox (en-US)



Length : 27

Perfect, your title contains between 10 and 70 characters.
Description

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.



Length : 160

Great, your meta description contains between 70 and 160 characters.
Keywords



Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties Good, your page take advantage of Og Properties.
Property Content
type website
url https://addons.mozilla.org/en-US/firefox/
title Add-ons for Firefox (en-US)
locale en-US
image /static-frontend/02ea754b37fd50cca41d6aa1747a3848.png
description Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.
Headings
H1 H2 H3 H4 H5 H6
1 29 52 3 0 0
  • [H1] Firefox Browser Add-ons
  • [H2] EPUBReader
  • [H2] Extensions are like apps for Firefox.
  • [H2] New Tab Override
  • [H2] DownThemAll!
  • [H2] FoxClocks
  • [H2] Livemarks
  • [H2] Kanagawa Wave Dark Theme
  • [H2] forests of VI
  • [H2] Graphite Grace
  • [H2] OneTab
  • [H2] Tab Session Manager
  • [H2] Auto Tab Discard
  • [H2] Tree Style Tab
  • [H2] Return YouTube Dislike
  • [H2] BetterTTV
  • [H2] Sink It for Reddit
  • [H2] YouTube Search Fixer
  • [H2] N.E.T
  • [H2] Grey-Coyote Stripe
  • [H2] Grid Lines 4k Animated
  • [H2] Dark Reader
  • [H2] Read Aloud: A Text to Speech Voice Reader
  • [H2] Dark Mode
  • [H2] Sidebery
  • [H2] Search by Image
  • [H2] Raindrop.io
  • [H2] Emoji
  • [H2] Full Page Screen Capture — FireShot
  • [H2] Change the way Firefox looks with themes.
  • [H3] Sören Hentzschel
  • [H3] 64,332 users
  • [H3] Nils Maier
  • [H3] 201,308 users
  • [H3] Andy McDonald
  • [H3] 10,649 users
  • [H3] Tim Nguyen
  • [H3] 13,410 users
  • [H3] Bullfinch
  • [H3] 1,360 users
  • [H3] clockworked
  • [H3] 5,283 users
  • [H3] compilan
  • [H3] 4,959 users
  • [H3] OneTab Team
  • [H3] 168,384 users
  • [H3] sienori
  • [H3] 156,120 users
  • [H3] tlintspr
  • [H3] 79,997 users
  • [H3] Piro (piro_or)
  • [H3] 172,542 users
  • [H3] Dmitry Selivanov
  • [H3] 939,892 users
  • [H3] NightDev
  • [H3] 508,638 users
  • [H3] SpecterAscendant
  • [H3] 16,173 users
  • [H3] Phoenix
  • [H3] 34,775 users
  • [H3] rix-wn
  • [H3] 726 users
  • [H3] MLP
  • [H3] 32 users
  • [H3] Vasilis
  • [H3] 37 users
  • [H3] Dark Reader Ltd
  • [H3] 1,319,073 users
  • [H3] LSD Software
  • [H3] 210,651 users
  • [H3] Dark Mode
  • [H3] 47,928 users
  • [H3] mbnuqw
  • [H3] 60,230 users
  • [H3] Armin Sebastian
  • [H3] 449,137 users
  • [H3] Rustem Mussabekov
  • [H3] 45,943 users
  • [H3] Saverio Morelli (Sav22999)
  • [H3] 33,514 users
  • [H3] TruePage
  • [H3] 167,653 users
  • [H4] Add-ons
  • [H4] Browsers
  • [H4] Products
Images We found 30 images on this web page.

1 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 0%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no Iframes detected on this page.

URL Rewrite Bad. Your links have query string.
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 60 links including 0 link(s) to files



Anchor Type Juice
Extensions Internal Passing Juice
Themes Internal Passing Juice
Dictionaries & Language Packs Internal Passing Juice
Add-ons for Android Internal Passing Juice
Firefox Add-ons Blog Internal Passing Juice
Log in Internal Passing Juice
See more recommended extensions Internal Passing Juice
New Tab Override Internal Passing Juice
DownThemAll! Internal Passing Juice
FoxClocks Internal Passing Juice
Livemarks Internal Passing Juice
See more trending themes Internal Passing Juice
Kanagawa Wave Dark Theme Internal Passing Juice
forests of VI Internal Passing Juice
Graphite Grace Internal Passing Juice
See more tab management staff picks Internal Passing Juice
OneTab Internal Passing Juice
Tab Session Manager Internal Passing Juice
Auto Tab Discard Internal Passing Juice
Tree Style Tab Internal Passing Juice
See more social media staff picks Internal Passing Juice
Return YouTube Dislike Internal Passing Juice
BetterTTV Internal Passing Juice
Sink It for Reddit Internal Passing Juice
YouTube Search Fixer Internal Passing Juice
See more recommended themes Internal Passing Juice
N.E.T Internal Passing Juice
Grey-Coyote Stripe Internal Passing Juice
Grid Lines 4k Animated Internal Passing Juice
See more accessibility staff picks Internal Passing Juice
Dark Reader Internal Passing Juice
Read Aloud: A Text to Speech Voice Reader Internal Passing Juice
Dark Mode Internal Passing Juice
Sidebery Internal Passing Juice
See more extensions tagged "pinterest" Internal Passing Juice
Search by Image Internal Passing Juice
Raindrop.io Internal Passing Juice
Emoji Internal Passing Juice
Full Page Screen Capture — FireShot Internal Passing Juice
Add-ons Internal Passing Juice
About Internal Passing Juice
Extension Workshop External Passing Juice
Developer Hub Internal Passing Juice
Developer Policies External Passing Juice
Community Blog External Passing Juice
Forum External Passing Juice
Report a bug External Passing Juice
Review Guide Internal Passing Juice
Desktop External Passing Juice
Mobile External Passing Juice
Enterprise External Passing Juice
Browsers External Passing Juice
VPN External Passing Juice
Relay External Passing Juice
Monitor External Passing Juice
Pocket External Passing Juice
Privacy External Passing Juice
Legal External Passing Juice
noted External Passing Juice
Creative Commons Attribution Share-Alike License v3.0 External Passing Juice

SEO Keywords
Keywords Cloud
Keywords Consistency
Keyword Content Title Keywords Description Headings

Usability
Url Domain : addons.mozilla.org
Length : 18
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.
Dublin Core This page does not take advantage of Dublin Core.

Document
Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 0
Warnings : 0
Email Privacy Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Perfect. No inline css has been found in HTML tags!
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
Too bad, your website does not take advantage of gzip.

Mobile
Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization
XML Sitemap Great, your website has an XML sitemap.

http://addons.mozilla.org/sitemap.xml
Robots.txt http://addons.mozilla.org/robots.txt

Great, your website has a robots.txt file.
Analytics Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights

Analyzing...