Docs.unity3d.com - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
79% 
Page structure
100% 
Link structure
28% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.06 s
File size
23.20 kB
Words
841
Media files
19
Number of links
90 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Unity - Manual: Unity 6.1 User Manual
There are word repetitions in the page title.
The length of the page title is perfect. (339 pixels out of 580 max pixel length)
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://docs.unity3d.com/6000.1/Documentation/Manual/UnityManual.html
The specified canonical link points to a different page.
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)
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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
authorUnity Technologies
msapplication-TileColor#222c37
msapplication-TileImage../StaticFilesManual/images/favicons/tileicon-144x144.png
relative-path-to-manualEmpty
version-switcher-versions-with-this-pageVersions with this page:
version-switcher-versions-without-this-pageVersions without this page:
version-switcher-supportedSupported
version-switcher-legacyLegacy
langen
og:imagehttps://unity3d.com/files/images/ogimg.jpg
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge,chrome=1
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 841 words. That's ok.
29.5% 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.
17 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 17.33 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: resources
Image SEO
(Somewhat important)
19 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
/uploads/Main/boost-rendering-card.pngNo alt attribute provided
/uploads/Main/multiplayer-land-card.jpegNo alt attribute provided
/uploads/Main/multi-platform-reach.pngNo alt attribute provided
/uploads/Main/unlock-runtime-ai.pngNo alt attribute provided
/uploads/Main/engaging-visuals-card.pngNo alt attribute provided
/uploads/Main/improve-productivity-card.pngNo alt attribute provided
/uploads/Main/AnimationIntroPic.jpgNo alt attribute provided
/uploads/Main/AudioIntroPic.jpgNo alt attribute provided
/uploads/Main/2dintro.jpgNo alt attribute provided
/uploads/Main/ProgressiveLightmapper-0.jpgNo alt attribute provided
/uploads/Main/mulitplayer-land2.pngNo alt attribute provided
/uploads/Main/physics-multi-scene-pool.pngNo alt attribute provided
/uploads/Main/platform-land.jpegNo alt attribute provided
/uploads/Main/hdrp-scene-template.pngNo alt attribute provided
/uploads/Main/ScriptingIntroPic.jpgNo alt attribute provided
/uploads/Main/ui-land.jpgNo alt attribute provided
/uploads/Main/ServicesSection.pngNo alt attribute provided
/uploads/Main/visual-effects-landing.pngNo alt attribute provided
/uploads/Main/xr-land.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Unity 6.1 User Manual
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Unity 6.1 User Manual
H2 Unity Manual
H2 Highlights of Unity 6
H2 Featured content
H2 Additional resources
H3 Boost rendering performance
H3 Multiplayer game creation
H3 Expand multiplatform reach
H3 Unlock possibilities with Runtime AI
H3 Achieve more engaging visuals
H3 Enhance productivity and functionality
H3 Animation
H3 Audio
H3 2D game development
H3 Lighting
H3 Multiplayer
H3 Physics
H3 Platform development
H3 Rendering
H3 Scripting
H3 UI
H3 Unity services
H3 Visual effects
H3 XR
Some anchor texts are used more than once.
24 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 17 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://docs.unity3d.com/Subdomain No Text
/Manual/index.htmlManual
/ScriptReference/index.htmlScripting API
https://unity.com/External unity.com
/Manual/UnityManual.htmlEnglish
/cn/current/Manual/UnityManual...中文
/ja/current/Manual/UnityManual...日本語
/kr/current/Manual/UnityManual...한국어
https://docs.unity3d.com/Subdomain No Text
/Manual/UnityManual.htmlText duplicate English
/cn/current/Manual/UnityManual...Text duplicate 中文
/ja/current/Manual/UnityManual...Text duplicate 日本語
/kr/current/Manual/UnityManual...Text duplicate 한국어
/Manual/UnityManual.htmlNo Text
/Manual/ManualVersions.htmlNo Text
https://unity.com/downloadExternal Unity 6.1
/Manual/WhatsNewUnity61.htmlNew in Unity 6.1
/Manual/UpgradeGuideUnity61.htmlUpgrade to Unity 6.1
/Manual/render-pipelines.htmlNo Text
/Manual/render-pipelines.htmlBoost rendering performance
/Manual/CreatingScenes.htmlMore info
/Manual/Glossary.htmlGlossary
/Manual/render-pipelines.htmlrendering
/Manual/LightingOverview.htmllighting
/Manual/visual-effects.htmlvisual effects
/Manual/multiplayer.htmlNo Text
/Manual/multiplayer.htmlMultiplayer game creation
/Manual/multiplayer.htmlmultiplayer packages and services
/Manual/PlatformSpecific.htmlNo Text
/Manual/PlatformSpecific.htmlExpand multiplatform reach
/Manual/PlatformSpecific.htmlmultiplatform advances
/Packages/com.unity.sentis@lat...Subdomain No Text
/Packages/com.unity.sentis@lat...Subdomain Unlock possibilities with Runtime AI
/Packages/com.unity.sentis@lat...Subdomain Runtime AI powered by Sentis
/Manual/LightingOverview.htmlNo Text
/Manual/LightingOverview.htmlAchieve more engaging visuals
/Manual/LightingOverview.htmlLighting
/Manual/graphics-performance-p...Graphics performance and profiling
/Packages/com.unity.shadergrap...Subdomain Shader Graph
/Packages/com.unity.visualeffe...Subdomain Visual Effect Graph
https://unity.com/features/cin...External No Text
https://unity.com/features/cin...External Enhance productivity and functionality
/Manual/performance-profiling-...profiling
/Packages/com.unity.probuilder...Subdomain ProBuilder
/Packages/com.unity.cinemachin...Subdomain Cinemachine
/Manual/UIElements.htmlUI Toolkit
/Manual/AnimationSection.htmlNo Text
/Manual/AnimationSection.htmlAnimation
/Manual/ConfiguringtheAvatar.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/class-AnimationClip.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/StateMachineBasics.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/Audio.htmlNo Text
/Manual/Audio.htmlAudio
/Manual/Unity2D.htmlNo Text
/Manual/Unity2D.html2D game development
/Manual/sprite/sprite-landing....Text duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/LightingOverview.htmlNo Text
/Manual/LightingOverview.htmlText duplicate Lighting
/Manual/multiplayer.htmlNo Text
/Manual/multiplayer.htmlMultiplayer
/Manual/PhysicsSection.htmlNo Text
/Manual/PhysicsSection.htmlPhysics
/Manual/CollidersOverview.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/PlatformSpecific.htmlNo Text
/Manual/PlatformSpecific.htmlPlatform development
/Manual/render-pipelines.htmlNo Text
/Manual/render-pipelines.htmlRendering
/Manual/render-pipelines.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/PostProcessingOverview...Text duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/scripting.htmlNo Text
/Manual/scripting.htmlScripting
/Manual/UIToolkits.htmlNo Text
/Manual/UIToolkits.htmlUI
/Manual/UnityServices.htmlNo Text
/Manual/UnityServices.htmlUnity services
/Manual/visual-effects.htmlNo Text
/Manual/visual-effects.htmlVisual effects
/Manual/class-LensFlare.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/XR.htmlNo Text
/Manual/XR.htmlXR
/Manual/VROverview.htmlText duplicate More info
/Manual/Glossary.htmlText duplicate Glossary
/Manual/best-practice-guides.htmlAdvanced best practice guides
https://discussions.unity.com/External Subdomain Unity Discussions
https://learn.unity.com/External Subdomain Unity Learn Tutorials
https://support.unity3d.com/External Subdomain Unity Support Help Center
https://support.unity.com/hc/e...External Subdomain Asset Store help
/Manual/UnityManual.htmlNo Text
/Manual/ManualVersions.htmlNo Text
https://learn.unity.com/External Subdomain Tutorials
https://answers.unity3d.com/External Subdomain Community Answers
https://support.unity3d.com/hc...External Subdomain Knowledge Base
https://forum.unity3d.com/External Subdomain Forums
https://unity3d.com/asset-storeExternal Asset Store
/Manual/TermsOfUse.htmlSubdomain Terms of use
https://unity.com/legalExternal Legal
https://unity.com/legal/privac...External Privacy Policy
https://unity.com/legal/cookie...External Cookies
https://unity.com/legal/do-not...External Do Not Sell or Share My Personal Information

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://docs.unity3d.com/Manual/index.html"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 0.06 seconds.
The file size of the HTML document is fine (23 kB).

HTTP Response Header

NameValue
servernginx/1.26.3
dateMon, 30 Jun 2025 13:26:58 GMT
content-typetext/html,text/html; charset=utf-8
last-modifiedMon, 30 Jun 2025 08:51:06 GMT
debug-staticStatic content
gzipGzipped by Varnish
debug-streamStream content
etagW/"68624ffa-5ca1"
content-encodinggzip
varyAccept-Encoding
x-varnish60296202 59577571
age3042
via1.1 docs-unity3d-com-c898b66f-7qcwj (Varnish/7.7), 1.1 google
accept-rangesbytes
content-length6263
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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 376 referring domains.
This page has 5,403 backlinks.
This page has backlinks from 309 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

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docs.unity3d.com › Manual › index.html
Unity - Manual: Unity 6.1 User Manual

Most important keywords

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

KeywordResultRecheck
unity76%Check
Manual72%Check
Unity 6.169%Check
Unity 6.1 User Manual67%Check
User62%Check
Unity services60%Check
Unity Editor57%Check
Unity Support57%Check
render49%Check
User Interface48%Check
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