Base-search.net - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
42% 
Page structure
95% 
Link structure
100% 
Server
18% 
External factors
100% 
SEO Score
Response time
0.24 s
File size
16.20 kB
Words
98
Media files
6
Number of links
31 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
BASE (Bielefeld Academic Search Engine): Basic Search
The length of the page title is perfect. (512 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
More than 340 mio. scientific documents from more than 11.000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.
The meta description is too long: 1064 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 HTML: en
Server location: Germany
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 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
descriptionMore than 340 mio. scientific documents from more than 11.000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.
robotsindex,follow
langen
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 98 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
No paragraphs were detected.
17.3% of the text are stop words.
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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 14 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
1 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
/interface/images/base_logo.pngBASE logo with label ‘Bielefeld Academic Search Engine’
/interface/images/logoverbund_ub_transp.pngNo alt attribute provided
/interface/images/logo_orcid_member.pngLogo of ORCID
/interface/images/orcid_badge1.pngBadge - Authenticate
/interface/images/orcid_badge2.pngBadge - Display
/interface/images/orcid_badge3.pngBadge - Connect

Page structure

H1 heading
(Critically important)
Basic Search
The H1 heading is too short (12 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Basic Search
H2 About BASE
H2 Services / How To
H2 Further information
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 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.base-search.net/Anchor Skip to search
https://www.base-search.net/Anchor Skip to main navigation
https://www.base-search.net/Anchor Skip to footer navigation
/MyResearch/HomeNofollow Username
https://www.base-search.net/?l=enNofollow English
https://www.base-search.net/?l=deNofollow Deutsch
https://www.base-search.net/?l=frNofollow Français
https://www.base-search.net/?l=esNofollow Español
https://www.base-search.net/?l=plNofollow Polski
https://www.base-search.net/?l=elNofollow Ελληνικά
https://www.base-search.net/?l=ukNofollow Українська
https://www.base-search.net/?l=zhNofollow 中文
https://www.base-search.net/Basic search
/Search/AdvancedAdvanced search
/Browse/HomeBrowsing
/Search/HistoryNofollow Search history
/about/en/index.phpWhat is BASE?
/about/en/about_sources_date.phpContent providers
/about/en/about_statistics.phpStatistics
/about/en/about_team.phpTeam
/about/en/contact.phpContact
/about/en/privacy_statement.phpPrivacy statement
/about/en/legal_notice.phpLegal notice
/about/en/suggest.phpBecome a content provider
/about/en/faq_oai.phpGolden Rules
http://oval.base-search.net/New window External Subdomain Validate source (OVAL)
/about/en/faq.phpAdd ORCID iD
https://api.base-search.net/New window External Subdomain HTTP interface
http://oai.base-search.net/New window External Subdomain OAI interface
/about/en/about_develop.phpFurther tools
/about/en/help.phpHelp
/about/en/faq.phpFAQ
https://openbiblio.social/@baseNew window External Subdomain Mastodon
/about/en/about_infomat.phpLogos / Downloads
https://www.ub.uni-bielefeld.d...New window External Subdomain Accessibility
https://orcid.org/New window External IMG-ALT Logo of ORCID
/about/en/faq.phpIMG-ALT Badge - Authenticate
A-TITLE ORCID Collect & Connect badges
https://www.ub.uni-bielefeld.d...External Subdomain Bielefeld University Library
http://lucene.apache.org/solr/New window External Subdomain SolrCloud
http://vufind.org/New window External VuFind
https://www.uni-bielefeld.de/New window External No Text
https://www.ub.uni-bielefeld.de/New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.base-search.net/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 4 CSS files. This may affect the page load time negatively.
This page loads 14 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.24 seconds.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
dateTue, 16 Apr 2024 06:00:33 GMT
serverApache/2.4.23 (Linux/SUSE)
set-cookie55 Characters
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragmano-cache
x-frame-optionsSAMEORIGIN
content-security-policyframe-ancestors 'self';
transfer-encodingchunked
content-typetext/html; charset=UTF-8
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 6,502 referring domains.
This page has 3,964,495 backlinks.
This page has backlinks from 5,023 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt for www.base-search.net
# last update: 2015-06-03

# Es wird nur die Startseite und die Erweiterte Suche erlaubt!
User-Agent: *
# Wie oft ein Crowler eine Abfrage senden darf in Sekunden (Angabe 1.5 auch möglich)
Crawl-delay: 2
Disallow: /about/
Disallow: /about/backup
Disallow: /about/classes
Disallow: /about/css
Disallow: /about/download
Disallow: /about/images
Disallow: /about/js
Disallow: /about/de/about_sources_date.php
Disallow: /about/en/about_sources_date.php
Disallow: /blog/base/date/
Disallow: /blog/base/category/
Disallow: /blog/baseoai/date/
Disallow: /blog/baseoai/category/
Disallow: /blog/roller-ui/
Disallow: /conf
Disallow: /Crypt
Disallow: /Drivers
Disallow: /interface
Disallow: /js
Disallow: /lang
Disallow: /RecordDrivers
Disallow: /sys
Disallow: /xsl
Disallow: /services/Ajax
Disallow: /services/Browse
Disallow: /services/Intern
Disallow: /services/MyResearch
Disallow: /services/Record
Disallow: /services/Records
Disallow: /Ajax
#Disallow: /Browse
Disallow: /Browse/Dewey
Disallow: /Browse/Tags
Disallow: /MyResearch
Disallow: /Record
#Bei der Notation: /index , werden sowohl die Datei /index.html als auch das Unterverzeichnis /index/. betroffen.
Disallow: /services/Search/Ajax
Disallow: /services/Search/Email
Disallow: /services/Search/History
Disallow: /services/Search/OpenSearch
#Disallow: /services/Search/Results
Disallow: /services/Search/Suggest
Disallow: /services/Search/cache
Disallow: /services/Search/xsl
Disallow: /Search/Ajax
Disallow: /Search/Email
Disallow: /Search/History
Disallow: /Search/OpenSearch
#wegen der Detailseite ist der Zugriff auf die Trefferliste erlaubt (z.Z. Zugriff verboten)
Disallow: /Search/Results
Disallow: /Search/Suggest
Disallow: /Search/cache
Disallow: /Search/xsl

#Bots, die auf dieses fiktives Verzeichnis unerlaubt zugreifen, sollen mithilfe der Firewall gesperrt werden
Disallow: /verboten4bots

# unerwuenschte Bots ganz aussperren
User-agent: 360Spider
User-agent: AcoonBot
User-agent: AhrefsBot
User-agent: Baiduspider
User-agent: GPTBot
User-agent: DotBot
User-agent: EasouSpider
User-agent: ExaBot
User-agent: Ezooms
User-agent: FemtosearchBot
User-agent: GPTBot
User-agent: LiteFinder
User-agent: ltx71
User-agent: MegaIndex.ru
User-agent: MJ12Bot
User-agent: Nachobot
User-agent: parsijoo
User-agent: Scrapy
User-agent: SiteBot
User-agent: Sogou
User-agent: UnwindFetchor
User-agent: WBSearchBot
User-agent: WebCopier
User-agent: WebSpider
User-agent: YandexBot
User-agent: YisouSpider
Disallow: /

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Search preview

www.base-search.net
BASE (Bielefeld Academic Search Engine): Basic Search
More than 340 mio. scientific documents from more than 11.000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.

Most important keywords

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

KeywordResultRecheck
search87%Check
BASE77%Check
Basic search74%Check
Basic61%Check
Search Engine56%Check
Bielefeld Academic Search52%Check
Search Engines49%Check
Bielefeld48%Check
Content46%Check
providers46%Check
Show more keywords and terms

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