Zcliu.org - SEO Checker

Overview of the SEO Check
Meta information
92% 
Page quality
58% 
Page structure
79% 
Link structure
98% 
Server
89% 
External factors
100% 
SEO Score
Response time
0.64 s
File size
18.40 kB
Words
403
Media files
6
Number of links
14 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home
The title contains the word Home! More content should be covered in the title.
The page title is too short. (55 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)
Assistant Professor in Computer Science at University of Maryland. Interested in visualization, data analysis and human cognition.
The length of the meta description is perfect. (801 pixels out of 1000 max pixel length)
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
Server location: United States of America
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.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
descriptionAssistant Professor in Computer Science at University of Maryland. Interested in visualization, data analysis and human cognition.
keywordsZhicheng Liu, Liu Zhicheng, Leo Liu, 刘志成, Research on Human-Data Interaction
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 403 words on this page. Good pages should have about 1,000 words of useful content.
25.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.3 words is good.
Frames
(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 only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
Some tags are too long. With 180 characters this one is longer than 70 characters:
"i am looking for motivated students to work with me on a range of research projects related to informa..."
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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
http://www.zcliu.org/imgs/logo.pngNo alt attribute provided
http://www.zcliu.org/profile.jpegNo alt attribute providedimg
http://www.zcliu.org/vimeo.pngVimeoVimeo
http://www.zcliu.org/scholar.pngGoogle ScholarGoogle Scholar
http://www.zcliu.org/twitter.pngTwitterTwitter
http://www.zcliu.org/linkedin.pngLinkedInLinkedIn

Page structure

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

Heading structure

Heading levelContent
H2 Leo Zhicheng Liu
H3 News
H3 Select Projects
H3 Contact
H3 Travel & Talks
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 8 external links on this page.
LinkAttributesAnchor text
https://www.cs.umd.edu/New window External Computer Science @ UMD
http://www.zcliu.org/index.phpHOME
/publications.phpPUBLICATIONS
http://www.zcliu.org/vita.phpVITA
/publications.phpauthoring paradigms for animated data graphics
/publications.phpresponsive visualization design
/publications.phpText duplicate responsive visualization design
/publications.phplog data segmentation
/publications.phpCritical reflections on visualization authoring systems
http://www.zcliu.org/di/Data Illustrator augmenting vector drawing tools with lazy data binding to author expressive visualizations
http://www.zcliu.org/immens/imMens querying big data in real-time through data tile precomputation & parallel processing on GPU
http://www.zcliu.org/datatone/DataTone managing ambiguity in natural language interfaces for data visualization
http://www.zcliu.org/maqui/MAQUI interweaving querying & pattern mining for recursive exploration
http://www.zcliu.org/coreflow/CoreFlow mining & visualizing branching patterns in event sequences
http://www.zcliu.org/vmsp/Patterns and Sequences exploring clickstreams at multiple levels of granularity
https://scholar.google.com/cit...External Subdomain Google Scholar
https://www.linkedin.com/in/zcliuExternal LinkedIn
https://twitter.com/zcliuExternal Twitter
https://vimeo.com/user5402034/...External IMG-ALT Vimeo
https://scholar.google.com/cit...External Subdomain Text duplicate IMG-ALT Google Scholar
https://twitter.com/zcliuExternal Text duplicate IMG-ALT Twitter
https://www.linkedin.com/in/zcliuExternal Text duplicate IMG-ALT LinkedIn

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.64 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.
This website only loads 1 CSS files. That's ok.
This website only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (18 kB).

HTTP Response Header

NameValue
dateTue, 01 Dec 2020 18:46:18 GMT
serverApache
upgradeh2,h2c
connectionUpgrade
varyAccept-Encoding
content-encodinggzip
content-length6957
content-typetext/html; charset=UTF-8
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 website has excellent links from other websites.
This website has backlinks from 34 referring domains.
This website has 82 backlinks.
This website has backlinks from 34 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.

Robots.txt

No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments
3

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

Search preview

www.zcliu.org
Home
Assistant Professor in Computer Science at University of Maryland. Interested in visualization, data analysis and human cognition.

Most important keywords

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

KeywordResultRecheck
in visualization53%Check
data51%Check
visualization51%Check
Data Visualization51%Check
human51%Check
Liu50%Check
Data Analysis48%Check
at University48%Check
human cognition48%Check
Computer Science46%Check

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