Forum.osdev.org - SEO Checker

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Overview of the SEO Check
Meta information
76% 
Page quality
77% 
Page structure
68% 
Link structure
25% 
Server
97% 
External factors
100% 
SEO Score
Response time
0.30 s
File size
28.30 kB
Words
530
Media files
1
Number of links
51 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
OSDev.org - Index page
The length of the page title is perfect. (216 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
http://forum.osdev.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-gb
Server location: Canada
The following language is defined by HTML: en-gb
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
langen-gb
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 530 words. That's ok.
30.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
7 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 17.36 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (13). We recommend using a maximum of 11 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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)
The HTTPS protocol for secure data transmission is not used.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
OSDev.org
The H1 heading is too short (9 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 OSDev.org
H3 Login • Register
H3 Who is online
H3 Statistics
H3 Empty heading
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 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.php?sid=ff591df58d1ee46...A-TITLE Board index
http://forum.osdev.org/Anchor Skip to content
/search.php?search_id=unanswer...Unanswered topics
/search.php?search_id=active_t...Active topics
/search.php?sid=ff591df58d1ee4...Search
/app.php/help/faq?sid=ff591df5...FAQ
A-TITLE Frequently Asked Questions
https://wiki.osdev.org/External Subdomain Wiki
A-TITLE OSDev Wiki
/ucp.php?mode=login&redirect=i...Login
A-TITLE Login
/ucp.php?mode=register&sid=ff5...Register
/index.php?sid=ff591df58d1ee46...Text duplicate Board index
/search.php?sid=ff591df58d1ee4...Advanced search
A-TITLE Advanced search
/search.php?sid=ff591df58d1ee4...Text duplicate Search
A-TITLE View the advanced search options
/viewforum.php?f=16&sid=ff591d...Operating System Development
/viewforum.php?f=1&sid=ff591df...OS Development
/viewtopic.php?p=352628&sid=ff...Re: There was a problem retur...
A-TITLE Re: There was a problem returning from long mode to real mode
/memberlist.php?mode=viewprofi...iansjack
/viewtopic.php?p=352628&sid=ff...View the latest post
A-TITLE View the latest post
/viewforum.php?f=15&sid=ff591d...OS Design & Theory
/viewtopic.php?p=352517&sid=ff...Re: How to handle orphaned se...
A-TITLE Re: How to handle orphaned semaphores?
/memberlist.php?mode=viewprofi...robfinch
/viewtopic.php?p=352517&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/viewforum.php?f=2&sid=ff591df...Announcements, Test Requests, & Job openings
/viewtopic.php?p=352625&sid=ff...Re: Windows on 68000
A-TITLE Re: Windows on 68000
/memberlist.php?mode=viewprofi...Text duplicate iansjack
/viewtopic.php?p=352625&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/viewforum.php?f=17&sid=ff591d...Everything Else
/viewforum.php?f=13&sid=ff591d...General Programming
/viewtopic.php?p=352616&sid=ff...Re: Cross Compiler Collection...
A-TITLE Re: Cross Compiler Collection Installinator - C3Inst
/memberlist.php?mode=viewprofi...eekee
/viewtopic.php?p=352616&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/viewforum.php?f=11&sid=ff591d...General Ramblings
/viewtopic.php?p=352624&sid=ff...Re: I finally learned how to ...
A-TITLE Re: I finally learned how to learn OSDev
/memberlist.php?mode=viewprofi...Octocontrabass
/viewtopic.php?p=352624&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/viewforum.php?f=7&sid=ff591df...Auto-Delete Forum
/viewforum.php?f=18&sid=ff591d...OSDev.org
/viewforum.php?f=8&sid=ff591df...OSDev Wiki
/viewtopic.php?p=352556&sid=ff...Re: How to get started using ...
A-TITLE Re: How to get started using os wiki?
/memberlist.php?mode=viewprofi...vivio
/viewtopic.php?p=352556&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/viewforum.php?f=6&sid=ff591df...About this site
/viewtopic.php?p=352502&sid=ff...Re: Spamhaus blocks me someti...
A-TITLE Re: Spamhaus blocks me sometimes
/memberlist.php?mode=viewprofi...Text duplicate eekee
/viewtopic.php?p=352502&sid=ff...Text duplicate View the latest post
A-TITLE View the latest post
/ucp.php?mode=login&redirect=i...Text duplicate Login
/ucp.php?mode=register&sid=ff5...Text duplicate Register
/app.php/user/forgot_password?...I forgot my password
/memberlist.php?mode=viewprofi...natri0
/index.php?sid=ff591df58d1ee46...Text duplicate Board index
/ucp.php?mode=delete_cookies&s...Delete cookies
http://phpbbstyles.iansvivariu...External Subdomain Ian Bradley
https://www.phpbb.com/External Subdomain phpBB
/ucp.php?mode=privacy&sid=ff59...Privacy
A-TITLE Privacy
/ucp.php?mode=terms&sid=ff591d...Terms
A-TITLE Terms

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.30 seconds.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (28 kB).

HTTP Response Header

NameValue
dateThu, 31 Jul 2025 14:16:43 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
set-cookie97 Characters
cache-controlprivate, no-cache="set-cookie"
expiresThu, 31 Jul 2025 14:16:43 GMT
referrer-policystrict-origin-when-cross-origin
varyAccept-Encoding
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Kk309Na4g73LnKIX%2BcgAw3IqnIdv0Be6TRy9KhU%2FE%2BdvQtIeGryov22zXhVzZrC7JDNtiDuCjpXFp2yJNKxib78t67QiLGzpyHYeofwCVpMAvEtSLSaktBxwwzgMcQXMYTk%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray967db71659192a64-CDG
content-encodingzstd
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=13541&min_rtt=13541&rtt_var=6770&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=379&delivery_rate=0&cwnd=200&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 66 referring domains.
This page has 915 backlinks.
This page has backlinks from 60 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /memberlist.php
Disallow: /search.php
Disallow: /ucp.php

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Search preview

forum.osdev.org
OSDev.org - Index page

Most important keywords

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

KeywordResultRecheck
OSDev73%Check
org73%Check
OSDev Wiki54%Check
forum46%Check
index46%Check
Forum Software40%Check
Login38%Check
Register38%Check
cat36%Check
users online36%Check
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