Iss-sim.spacex.com - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
71% 
Page structure
79% 
Link structure
25% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.03 s
File size
46.30 kB
Words
334
Media files
12
Number of links
0 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
SPACEX - ISS Docking Simulator
The length of the page title is perfect. (300 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
This simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.
The meta description is too long: 1111 pixels from max. 1000 pixels. Optimize description
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 HTTP-Equiv meta tag: 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 character encoding is not specified.
The character encoding is not specified in the HTTP header.
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
SpaceXEmpty
keywordsspace,spacex,aerospace,elon musk,mars,falcon 9,falcon heavy,dragon,nasa,simulator
descriptionThis simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.
viewportwidth=device-width, initial-scale=1.0, user-scalable=no
twitter:cardsummary_large_image
twitter:site@spacex
twitter:descriptionThis simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.
twitter:titleSPACEX - ISS Docking Simulator
twitter:imagehttps://iss-sim.spacex.com/img/share.jpg
og:localeen_US
og:typewebsite
og:titleSPACEX - ISS Docking Simulator
og:site_nameSPACEX - ISS Docking Simulator
og:descriptionThis simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.
og:imagehttps://iss-sim.spacex.com/img/share.jpg
og:urlhttps://iss-sim.spacex.com
Content-Typetext/html; charset=UTF-8
Content-Languageen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 334 words on this page. Good pages should have about 800 words of useful content.
43.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
10 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 16.11 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, user-scalable=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (9). We recommend using a maximum of 7 tags for this page.
The following tag is repeated too often: rate
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)
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
/img/hud-darken.pngSpaceX
https://iss-sim.spacex.com/img/hud-ring.pngHUD Ring
/img/hud-ring-inner.pngHUD Ring
https://iss-sim.spacex.com/img/shadow.pngSpaceX
https://iss-sim.spacex.com/img/shadow.pngSpaceX
/img/instructions/step1_6.jpgInstructional Image
/img/instructions/step2.jpgInstructional Image
/img/instructions/step3.jpgInstructional Image
/img/instructions/step4.jpgInstructional Image
/img/instructions/step5.jpgInstructional Image
/img/instructions/step1_6.jpgInstructional Image
/img/instructions/step7.jpgInstructional Image

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 FAIL
H2 SUCCESS
H3 DOCKING TIPS
H3 ROTATION CONTROLS
H3 POSITION CONTROLS
H3 PRECISION
H3 REACH YOUR TARGET
H3 HEADS UP DISPLAY
H3 SLOW DOWN
This page seems to be an entry page, because only very few links were found.
There are 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.twitter.com/spacexNew window External Subdomain SpaceX
https://www.twitter.com/commer...New window External Subdomain NASA
https://www.youtube.com/watch?...New window External Subdomain actual interface
https://www.youtube.com/watch?...New window External Subdomain Text duplicate actual interface

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://iss-sim.spacex.com/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.03 seconds.
The file size of the HTML document is fine (46 kB).

HTTP Response Header

NameValue
expiresMon, 21 Oct 2024 14:59:56 GMT
cache-controlprivate, max-age=0
last-modifiedThu, 14 May 2020 05:09:10 GMT
etag"5bca820411942470df094eef784addab"
content-typetext/html
via1.1 varnish, 1.1 varnish
accept-rangesbytes
age3452
dateMon, 21 Oct 2024 15:57:28 GMT
x-served-bycache-bur-kbur8200085-BUR, cache-fra-etou8220103-FRA
x-cacheHIT, HIT
x-cache-hits20, 0
x-timerS1729526249.680210,VS0,VE1
serverwhydoyoucare?
strict-transport-securitymax-age=31557600
content-length47461
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 1,009 referring domains.
This page has 3,943 backlinks.
This page has backlinks from 835 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /staging/

Similar sites

Search preview

iss-sim.spacex.com
SPACEX - ISS Docking Simulator
This simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.

Most important keywords

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

KeywordResultRecheck
Space71%Check
SpaceX71%Check
ISS58%Check
simulator58%Check
International Space58%Check
Space Station58%Check
SpaceX Dragon58%Check
ISS Docking Simulator56%Check
docking55%Check
controls54%Check
Show more keywords and terms

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