Crystal.unito.it - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
77% 
Page structure
53% 
Link structure
25% 
Server
75% 
External factors
100% 
SEO Score
Response time
0.76 s
File size
16.00 kB
Words
748
Media files
2
Number of links
1 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CRYSTAL
The page title is too short. (91 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: Italy
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 in the HTTP header.
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, shrink-to-fit=no
langen
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 26.88 words is high.
This page contains 748 words. That's ok.
28.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
11 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: new features
Image SEO
(Somewhat important)
2 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
/assets/img/crystal_images/slide2_cry17.pngNo alt attribute provided
...ts/img/crystal_images/logo_CRYSTAL23.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
CRYSTAL
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (7 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 CRYSTAL
H5 Upcoming events in 2025
H5 CRYSTAL23
H5 TOPOND23
H5 Overview
This page seems to be an entry page, because only very few links were found.
There are 1 links with a trivial anchor text.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://mssc.crystalsolutions.eu/New window External Subdomain MSSC2025 - Ab initio Modelling in Solid State Chemistry
https://ccp9.ac.uk/graduate_sc...New window External CCP9 / CECAM Electronic Structure Graduate School 2025
/features.htmlTrivial anchor text
here

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://crystal.unito.it/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.76 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 02 Aug 2025 03:17:59 GMT
content-typetext/html
last-modifiedThu, 06 Mar 2025 14:54:36 GMT
varyAccept-Encoding
etagW/"67c9b72c-402d"
strict-transport-securitymax-age=15768000; includeSubDomains
x-powered-byPleskLin
content-encodingbr
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 117 referring domains.
This page has 215 backlinks.
This page has backlinks from 36 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow:

Similar sites

Search preview

crystal.unito.it
CRYSTAL

Most important keywords

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

KeywordResultRecheck
CRYSTAL84%Check
Crystal Solutions61%Check
CRYSTAL Team61%Check
CRYSTAL2340%Check
Density39%Check
new39%Check
theory39%Check
Molecules39%Check
solid39%Check
state39%Check
Show more keywords and terms

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