Fourmilab.ch - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
0% 
Page structure
58% 
Link structure
0% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.01 s
File size
1.70 kB
Words
19
Media files
0
Number of links
1 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Fourmilab
The page title is too short. (90 pixels of 580 max pixel length) Optimize title
The page title is only one word.
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: 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 character encoding is not specified in the HTTP header.
The charset encoding (ISO-8859-1) is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
robotsindex,follow
authorJohn Walker
dc.creator.nameJohn Walker
tgn.id7007292
tgn.nameNeuchâtel
tgn.nationSwitzerland
geo.position46.9833;6.9167;479
geo.placenameNeuchâtel, Switzerland
geo.countryCH
geo.regionCH-NE
langen
Content-Typetext/html; charset=iso-8859-1

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Page quality

Content
(Critically important)
There are only 19 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
42.1% of the text are stop words.
No placeholders texts or images were found.
Frames
(Critically important)
This page uses frames. This can cause problems with the crawling and makes linking to this website very hard.
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 usage of strong and bold tags is perfect. We recommend the use of up to 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)
The HTML has geoposition information: 46.9833;6.9167;479
The HTML has georegion information: Neuchâtel, Switzerland
The HTML has geoname information: CH-NE
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
This page uses frames. This can cause problems with the crawling and makes linking to this website very hard.
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
/nav/topics/map.htmlno-frames table of contents

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.01 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 (2 kB).

HTTP Response Header

NameValue
dateMon, 14 Dec 2020 09:42:12 GMT
serverApache/2.4.46 () OpenSSL/1.0.2k-fips
upgradeh2,h2c
connectionUpgrade
last-modifiedMon, 05 Nov 2007 20:40:48 GMT
etag"6af-43e3488039400-gzip"
accept-rangesbytes
varyAccept-Encoding,User-Agent
content-encodinggzip
content-length715
content-typetext/html
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 17,787 referring domains.
This page has 2,018,644 backlinks.
This page has backlinks from 13,695 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

# robots.txt for http://www.fourmilab.ch

User-agent: *
Disallow: /bullets/zounds                     # Audio files for illustration only
Disallow: /cgi-bin/                           # Dynamic services
Disallow: /documents/DOS/   	    	      # Denial of service countermeasures
Disallow: /hotbits/figures                    # Figures for illustration only
Disallow: /hotbits/source                     # Source code
Disallow: /earthview/cache/                   # Ephemeral files
Disallow: /earthview/satellite.html           # Satellite orbital elements
Disallow: /entrenous/                         # Files for specific people
Disallow: /etexts/www/gergel		      # Mirror of Gergel PDF books
Disallow: /goldberg/                          # Under construction
Disallow: /netfone/                           # Renamed to /speakfree
Disallow: /serverstats/                       # Changes every day, confusing
Disallow: /sitemap.html                       # Temporary link to home page
Disallow: /speakfree/unix/prior-releases      # Obsolete releases
Disallow: /speakfree/windows/prior-releases   # Obsolete releases
Disallow: /uscode/8usc/www/                   # Bulk text of 8 USC
Disallow: /uscode/26usc/www/                  # Bulk text of 26 USC
Disallow: /ustax/                             # Renamed to /uscode/26usc
Disallow: /yoursky/catalogues/                # Yoursky object catalogues

User-agent: NPBot
Disallow: / 	    	    	    	      # Nameprotect.com spybot blocking

User-agent: Twiceler	    	    	      # Moronic Twiceler cgi-bin chaser
Disallow: /

# Twitterbot blasts in dozens of requests in seconds,
User-agent: Twitterbot
Disallow: /

# AhrefsBot generates lots of traffic and provides no
# benefit to sites it scrapes.  It is also known for
# ignoring robots.txt, so we also block it in .htaccess.
User-agent: AhrefsBots
Disallow: /

# MJ12bot generates a lot of traffic to no benefit.
# It claims to respect robots.txt.  Let's see.
User-agent: MJ12bot
Disallow: /

# DotBot (Moz.com) crawls indiscriminately to no
# benefit but their own.
User-agent: DotBot
Disallow: /

# MauiBot crawls indiscriminately and quickly, and
# nobody knows what it is.  Comes from an AWS
# address range.
User-agent: MauiBot
Disallow: /

# SEMrushBot is up to no good. In December 2019, it accounted for
# almost 4% of all hits on the site.
User-agent: SemrushBot
Disallow: /

# TurnitinBot is a "plagiarism" checker that hits the site
# indiscriminately.
User-agent: TurnitinBot
Disallow: /

Search preview

fourmilab.ch
Fourmilab

Most important keywords

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

KeywordResultRecheck
document34%Check
requires34%Check
frames34%Check
browser34%Check
appear34%Check
support34%Check
Please34%Check
visit34%Check
no-frames34%Check
table34%Check

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