Thunderbird.net - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
92% 
Page structure
55% 
Link structure
57% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.37 s
File size
255.90 kB
Words
632
Media files
21
Number of links
29 internal / 46 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Thunderbird — Free Your Inbox. — Thunderbird
The length of the page title is perfect. (426 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
The length of the meta description is perfect. (679 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionThunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
langen
twitter:cardsummary
twitter:site@mozthunderbird
twitter:domainthunderbird.net
fb:page_id348169218537151
og:typewebsite
og:site_nameThunderbird
og:localeen_US
og:image/media/img/thunderbird/thunderbird-256.png
og:titleThunderbird — Free Your Inbox.
og:descriptionThunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 632 words. That's ok.
32.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
7 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 11.94 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
.../new/competitors/floating-icon-apple.pngcompetitor icon
.../new/competitors/floating-icon-gmail.pngcompetitor icon
...ew/competitors/floating-icon-outlook.pngcompetitor icon
...new/competitors/floating-icon-proton.pngcompetitor icon
.../new/competitors/floating-icon-yahoo.pngcompetitor icon
...mg/thunderbird/new/screens/laptop-bg.pngNo alt attribute provided
.../thunderbird/new/screens/mail-screen.pngNo alt attribute provided
...nderbird/new/screens/calendar-screen.pngNo alt attribute provided
...img/thunderbird/base/home/flat-phone.pngA phone displaying Thunderbird for Android's interface.
...nderbird/new/planets/planets-firefox.pngFirefox planet
...bird/new/planets/planets-thunderbird.pngThunderbird planet
...estimonials/testimonial-portrait-max.jpgprofile image
...rbird/new/testimonials/unified-inbox.pngunified inbox
...stimonials/testimonial-portrait-juan.jpgprofile image
...timonials/testimonial-portrait-ernie.jpgprofile image
...monials/testimonial-portrait-rolando.jpgprofile image
...timonials/testimonial-portrait-beegy.jpgprofile image
...estimonials/testimonial-portrait-dom.jpgprofile image
...img/thunderbird/new/testimonials/hex.pngextensions
...hunderbird/base/home/exploding-phone.pngA rendering of a mobile phone.
.../img/thunderbird/new/phone/cta-phone.pngsmartphone

Page structure

H1 heading
(Critically important)
Free Your Inbox
The H1 heading is too short (15 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 36 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Free Your Inbox
H2 Thunderbird Desktop
H2 Thunderbird Mobile
H2 Blog
H2 Desktop Help
H2 Mobile Help
H2 Who We Are
H2 Contact Us
H2 Careers
H2 Donate
H2 Participate
H2 Freedom from Chaos
H2 Freedom from Manipulation
H2 Freedom to Geek Out
H2 Freedom to Go Anywhere
H2 Free Your Inbox Duplicate text
H2 Learn What’s Next
H4 Waste less time finding browser tabs.
H4 Our agenda isn’t hidden. It’s to make the world better.
H4 Thunderbird is yours.
H4 Introducing Thunderbird Mobile
H4 Are you ready to love email again?
H4 Products
H4 Resources
H4 About
H4 Contribute
H6 Meet the powerful email, calendar, and contacts app for Windows, Linux, and macOS.
H6 Learn about the leading open-source email app for Android.
H6 Learn about new product releases, community events, tech tips, and more.
H6 Find the help you need configuring and using Thunderbird Desktop.
H6 Find the help you need configuring and using Thunderbird Mobile.
H6 Learn how our values, community, and organization shape the future of Thunderbird.
H6 Find out who to contact and how.
H6 We have an enthusiastic team with diverse talents. Learn how to join us.
H6 Learn how to donate as an individual or business to support Thunderbird and open source.
H6 We need helping hands of all kinds. Learn how you can help Thunderbird and others.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (46) on this page.

Found links on this page

LinkAttributesAnchor text
/en-US/A-TITLE Thunderbird
/en-US/desktopThunderbird Desktop Meet the powerful email, calendar, and contacts app for Windows, Linux, and macOS.
/en-US/mobileThunderbird Mobile Learn about the leading open-source email app for Android.
https://blog.thunderbird.net/External Subdomain Blog Learn about new product releases, community events, tech tips, and more.
https://support.mozilla.org/pr...External Subdomain Desktop Help Find the help you need configuring and using Thunderbird Desktop.
https://support.mozilla.org/pr...External Subdomain Mobile Help Find the help you need configuring and using Thunderbird Mobile.
/en-US/aboutWho We Are Learn how our values, community, and organization shape the future of Thunderbird.
/en-US/contactContact Us Find out who to contact and how.
https://www.mozilla.org/career...External Subdomain Careers We have an enthusiastic team with diverse talents. Learn how to join us.
/en-US/donateDonate Learn how to donate as an individual or business to support Thunderbird and open source.
/en-US/participateParticipate We need helping hands of all kinds. Learn how you can help Thunderbird and others.
/en-US/thunderbird/all/Downloads
/en-US/thunderbird/all/Text duplicate Downloads
A-TITLE Find the latest version of Thunderbird.
/en-US/?form=support&utm_conte...A-TITLE Donate
/en-US/thunderbird/all/Download and languages options
https://play.google.com/store/...External Subdomain Google Play
https://f-droid.org/packages/n...External F-Droid
https://download.mozilla.org/?...External Subdomain Windows 64-bit Download
https://download.mozilla.org/?...External Subdomain Windows MSI 64-bit Download
https://download.mozilla.org/?...External Subdomain macOS Download
https://download.mozilla.org/?...External Subdomain Linux 64-bit Download
https://download.mozilla.org/?...External Subdomain Windows 32-bit Download
https://download.mozilla.org/?...External Subdomain Linux 32-bit Download
https://download.mozilla.org/?...External Subdomain Windows 64-bit (7/8.1) Download
https://download.mozilla.org/?...External Subdomain Windows 32-bit (7/8.1) Download
/en-US/thunderbird/all/Text duplicate Downloads
/en-US/?form=support&utm_conte...Text duplicate Donate
https://en.wikipedia.org/wiki/...External Subdomain open source
https://www.mozilla.org/External Subdomain Mozilla
/en-US/aboutLearn Who We Are
https://blog.thunderbird.net/2...External Subdomain Read the announcement
/en-US/thunderbird/all/Text duplicate Download and languages options
https://play.google.com/store/...External Subdomain Text duplicate Google Play
https://f-droid.org/packages/n...External Text duplicate F-Droid
https://download.mozilla.org/?...External Subdomain Text duplicate Windows 64-bit Download
https://download.mozilla.org/?...External Subdomain Text duplicate Windows MSI 64-bit Download
https://download.mozilla.org/?...External Subdomain Text duplicate macOS Download
https://download.mozilla.org/?...External Subdomain Text duplicate Linux 64-bit Download
https://download.mozilla.org/?...External Subdomain Text duplicate Windows 32-bit Download
https://download.mozilla.org/?...External Subdomain Text duplicate Linux 32-bit Download
https://download.mozilla.org/?...External Subdomain Text duplicate Windows 64-bit (7/8.1) Download
https://download.mozilla.org/?...External Subdomain Text duplicate Windows 32-bit (7/8.1) Download
/en-US/thunderbird/all/Text duplicate Downloads
/en-US/?form=support&utm_conte...Text duplicate Donate
https://mastodon.online/@thund...External A-TITLE Follow @[email protected] on Mastodon
https://www.facebook.com/Thund...External Subdomain A-TITLE Follow Thunderbird on Facebook
https://www.youtube.com/@Thund...External Subdomain A-TITLE Follow @ThunderbirdProject on YouTube
https://twitter.com/mozthunder...External A-TITLE Follow @mozthunderbird on Twitter
https://www.linkedin.com/compa...External Subdomain A-TITLE Follow thunderbird-email on LinkedIn
https://blog.thunderbird.net/External Subdomain Visit Our Blog
/en-US/No Text
/en-US/Home
/en-US/desktopThunderbird Desktop
/en-US/mobileThunderbird Mobile
https://blog.thunderbird.net/External Subdomain Blog
https://support.mozilla.org/pr...External Subdomain Get Help
/en-US/thunderbird/all/Text duplicate Downloads
/en-US/thunderbird/releasesRelease Notes
https://wiki.mozilla.org/Thund...External Subdomain For Enterprises
/en-US/calendar/holidaysHoliday Calendars
/en-US/aboutWho We Are
/en-US/contactContact Us
https://www.mozilla.org/career...External Subdomain Careers
/en-US/donateText duplicate Donate
/en-US/participateParticipate
https://mozilla.org/External No Text
/en-US/privacyPrivacy Policy
https://www.mozilla.org/privac...External Subdomain Anchor Cookies
https://www.mozilla.org/en-US/...External Subdomain Legal
https://www.mozilla.org/en-US/...External Subdomain Send DMCA Notice
https://www.mozilla.org/about/...External Subdomain Report Fraud
https://www.mozilla.org/en-US/...External Subdomain Participation Guidelines
https://blog.thunderbird.net/2...External Subdomain MZLA Technologies Corporation
https://www.mozilla.org/founda...External Subdomain Creative Commons license
https://github.com/thunderbird...External Contribute to this site

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.thunderbird.net/en-US/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.37 seconds.
The file size of the HTML document is fine (256 kB).

HTTP Response Header

NameValue
dateSun, 12 Jan 2025 23:47:00 GMT
content-typetext/html; charset=UTF-8
strict-transport-securitymax-age=31536000
x-frame-optionsDENY
last-modifiedWed, 08 Jan 2025 20:30:00 GMT
varyAccept-Encoding
cache-controlmax-age=7200
expiresMon, 13 Jan 2025 00:21:43 GMT
cf-cache-statusHIT
age4029
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=mIJClFznf9%2B3wmOpb9iXhQBMjsERaSV5NuB9uB1nprAXC0aZFfEmec692Svs%2BDFlnzp8dCEn%2BWwyWF%2FGBUBf3%2FxD8yt5eR46%2BqZHSxPzaShd0pBu7yETGKhxqF0EwMe29tUYWRY%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray901107771eb8d784-CDG
content-encodinggzip
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=13902&min_rtt=13758&rtt_var=3006&sent=10&recv=12&lost=0&retrans=0&sent_bytes=4214&recv_bytes=990&delivery_rate=210495&cwnd=255&unsent_bytes=0&cid=3914fab946cb40c1&ts=210&x=0"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 6,314 referring domains.
This page has 258,674 backlinks.
This page has backlinks from 4,907 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

www.thunderbird.net › en-US
Thunderbird — Free Your Inbox. — Thunderbird
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Free77%Check
Thunderbird free76%Check
Thunderbird75%Check
Inbox74%Check
Free Email68%Check
Thunderbird Mobile60%Check
unified inbox60%Check
email59%Check
using Thunderbird59%Check
app56%Check
Show more keywords and terms

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