Vlib.org - SEO Checker

Overview of the SEO Check
Meta information
76% 
Page quality
35% 
Page structure
75% 
Link structure
75% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.23 s
File size
4.80 kB
Words
192
Media files
2
Number of links
41 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The WWW Virtual Library
The length of the page title is perfect. (229 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)
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 character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The Doctype markup is not in the first line of your HTML document. There must be no white spaces before the doctype markup.
The doctype XHTML 1.0 Transitional is set correctly.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
langen
Content-Typetext/html; charset=utf-8

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Page quality

Content
(Critically important)
There are only 192 words on this page. Use at least 250 words to provide useful information.
Only 1 paragraph/s was/were found on this page.
19.8% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 12.6 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (17). We recommend using a maximum of 6 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

URLAlt attributeTitle
http://vlib.org/images/VLVL logo ©
http://vlib.org/images/VLVL logo ©

Page structure

H1 heading
(Critically important)
The WWW Virtual Library
The H1 heading is perfect.
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 The WWW Virtual Library
H3 Empty heading
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are no external links on this page.
LinkAttributesAnchor text
http://vlib.org/index.eses
A-TITLE Español
http://vlib.org/index.frfr
A-TITLE en Français
http://vlib.org/index.zhzh
A-TITLE 漢語資源
http://vlib.org/IMG-ALT VL logo ©
http://vlib.org/AgricultureAgriculture
http://vlib.org/ArtThe Arts
http://vlib.org/BusinessEconomicsBusiness and Economics
http://vlib.org/TransportationTransportation
http://vlib.org/CommunicationCommunications and Media
http://vlib.org/ComputingComputing and Computer Science
http://vlib.org/EducationEducation
http://vlib.org/EngineeringEngineering
http://vlib.org/ArchitectureArchitecture
http://vlib.org/HumanitiesHumanities and Humanistic Studies
http://vlib.org/HistoryHistory
http://vlib.org/LanguagesLanguages and Linguistics
http://vlib.org/MuseumsMuseums
/InformationManagementInformation and Libraries
/InternationalAffairsInternational Affairs
http://vlib.org/LawLaw
http://vlib.org/ScienceNatural Sciences and Mathematics
http://vlib.org/BiosciencesBiosciences
http://vlib.org/EarthScienceEarth Science
http://vlib.org/MedicineMedicine and Health
http://vlib.org/PhysicsPhysics
http://vlib.org/RecreationRecreation
http://vlib.org/RegionalRegional Studies
http://vlib.org/AsianStudiesAsian
http://vlib.org/SocialSciencesSocial and Behavioural Sciences
http://vlib.org/ArchaeologyArchaeology
http://vlib.org/DevelopmentPopulation and Development Studies
http://vlib.org/SocietySociety
http://vlib.org/PeoplesPeoples
http://vlib.org/ReligionReligion
http://vlib.org/admin/AboutVLAbout
http://vlib.org/admin/AboutVLContact
http://vlib.org/admin/donorsDonors
http://vlib.org/topics/Topics
http://vlib.org/topic map
http://vlib.org/admin/Copyright© The WWW Virtual Library
http://vlib.org/admin/CopyrightAnchor database rights

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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 0.23 seconds.
This page only loads 1 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (5 kB).

HTTP Response Header

NameValue
dateMon, 18 Jan 2021 16:47:39 GMT
serverApache
content-locationindex.en.html
varynegotiate,accept-language
tcnchoice
last-modifiedWed, 26 Apr 2017 16:10:02 GMT
etag"1349-54e14129aca80"
accept-rangesbytes
content-length4937
content-typetext/html
content-languageen
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 3,881 referring domains.
This page has 1,283,756 backlinks.
This page has backlinks from 2,995 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

User-agent: *
Disallow: /cgi-bin/
Disallow: /style/
Disallow: /images/
Disallow: /members/

User-agent: googlebot
Disallow: /cgi-bin/
Disallow: /style/
Disallow: /members/

Search preview

Most important keywords

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

KeywordResultRecheck
Library62%Check
WWW62%Check
Virtual62%Check
WWW Virtual62%Check
Virtual Library62%Check
WWW Virtual Library62%Check
search39%Check
Society39%Check
Natural39%Check
Computing39%Check

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