U5d.net - SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.10 s
File size
76.10 kB
Media files
Number of links
41 internal / 0 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Universe in 5 dimensions - as a model of Zero
The length of the page title is perfect. (413 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language detected in text: en
Server location: Denmark
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
The language is not specified in the HTML markup.
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.
(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 character encoding is not specified in the HTTP header.
The charset encoding (ISO-8859-1) is set correctly.
(Nice to have)
No doctype markup was found.
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

Content-Typetext/html; charset=iso-8859-1

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Page quality

(Critically important)
The average number of words per sentence of 25.19 words is high.
This page contains 3536 words. That's ok.
32.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
56 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.
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This website does not require any javascript files.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
The amount of tags is very high (157). We recommend using a maximum of 71 tags for this page.
The following tag is repeated too often: charge
Some tags are too long. With 74 characters this one is longer than 70 characters:
"from 4th to 3rd dimension degree - problematic issues - (first of 3 files)"
Image SEO
(Somewhat important)
8 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.
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

Page structure

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

Heading structure

Heading levelContent
H2 An alternative 5-dimensional model in theoretical physics
H5 © Åsa Wohlin: Universe in 5 dimensions - as a model of Zero. A conceptual structure suggested for interpretations in different sciences. Free to distribute if the source is mentioned. Texts are mos...
A link with a file URI scheme was found. (Local sources are unavailable for your visitors)
Some anchor texts are used more than once.
The amount of internal links is ok.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are no external links on this page.
LinkAttributesAnchor text
/Astronomy/index.htmlTo homepage Astronomy
/Chemical-Elements/index.htmlTo home page Chemical Elements
/Biochemistry/index.htmlTo home page Biochemistry
/Genetic-code/index.htmlTo home page The Genetic Code
/booklets/list_contents.htmlList of 17 short files
http://u5d.net/Biology/index.htmlTo home page Biology
/Linguistics/index.htmlTo home page Linguistics
/Genetic-code/index.html"Numeral series hidden in the distribution of atomic mass of amino acids to codon domains in the genetic code".
/Genetic-code/Documents-Gen-co...Numerical analysis of 3/2-relations in the genetic code and correlations with the basic series of integers 5-0.
http://u5d.net/Anchor example below
http://u5d.net/meny-bar.htmlIf your computer doesn't accept layers, go here for the links
/Physics_sub_pages/presentatio...A 5-dimensional model - an earlier version -
/Physics_sub_pages/forcesMEGA....Forces - MEGA-fields
/Physics_sub_pages/nuclearforc...Nuclear force and Weak interaction
/Physics_sub_pages/matter_spac...Mass - Matter - Vacant Space
/Physics_sub_pages/charge.htmlCharge - what is it?
/Physics_sub_pages/spin.htmlSpin - how to interpret it
/Physics_sub_pages/electromagn...Electromagnetic waves
/Physics_sub_pages/emwaves_add...EM-waves, some hypotheses
/Physics_sub_pages/time.htmlText duplicate Time
/Physics_sub_pages/quantum_phy...Quantum Physics, some notes
/Physics_sub_pages/einstein-v2...Einstein, some annotations
/Physics_sub_pages/string-theo...String Theory - comparisons
/Physics_sub_pages/4-3-issues....Step 4 to 3 in d-degrees, problematic issues
/Physics_sub_pages/4-3-issues....0 and 00 - Singularities and the, problematic Infinities
/Physics_sub_pages/x1_macrocos...x1. Macrocosm: Gravity waves, Dark matter etc.
/Physics_sub_pages/x2_quantum_...x2. Quantum Mechanics: Entanglement, Probabilities etc.
/Physics_sub_pages/x3_Higgs_fi...x3. Englert - Higg's theory, Higgs boson and the Standard Model
/Documents-physics.pdf/Physics...Files Index to Temperature in one documen, pdf, 128 pages
/Documents-physics.pdf/Physics...Files Quantum Physics to the end in one document, pdf, 106 pages
/more_detailed_survey_physics....More detailed content in files on physics
http://u5d.net/curious.htmlCurious things - some exaples -
/Psychology/presentation.htmlis presented in English here
/Psykologi/sv-presentation.htmlPresentation på svenska här

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
(Somewhat important)
This website loads 16 CSS files. This may affect the page load time negatively.
The page response time is excellent with 0.10 seconds.
This website does not require any javascript files.
The file size of the HTML document is fine (76 kB).

HTTP Response Header

dateMon, 21 Oct 2019 18:02:48 GMT
last-modifiedTue, 18 Apr 2017 19:13:16 GMT
x-varnish705272044 688495412
via1.1 varnish (Varnish/6.3)

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website has only a few links from other websites.
This website only has backlinks from 12 referring domains.
This website only has 16 backlinks.
This website only has few backlinks from 12 different ip addresses.
Facebook popularity
(Somewhat important)
This website is not very popular on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

No links from Wikipedia were found.


No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

in dimension51%Check
in dimensions50%Check
Universe in dimensions47%Check
in physics45%Check
Dimensions as45%Check
model is43%Check
5-dimensional model43%Check

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