Pslc.ws - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
40% 
Page structure
58% 
Link structure
100% 
Server
76% 
External factors
100% 
SEO Score
Response time
0.91 s
File size
9.30 kB
Words
60
Media files
2
Number of links
21 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Polymer Science Learning Center
The length of the page title is perfect. (301 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
Server location: United States of America
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 character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 4.01 Transitional 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
viewportwidth=device-width, initial-scale=1.0
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 60 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.
15% of the text are stop words.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
The amount of tags is very high (19). 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)
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
https://pslc.ws/images/welcome.gifWelcome to the Polymer Science Learning Center
https://pslc.ws/images/pslchome.gifWelcome to the Polymer Science Learning Center, the home of Paul Lemur, Leigh Marie, and little Monomer

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.
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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://pslc.ws/welcome/index.htmpslc tour
/macrog/search/index.htmsearch
https://pslc.ws/Mathias2014cv.pdfmathias resume
https://pslc.ws/new/index.htmwhat's new
/macrog/kidsmac/paul/paul's place
https://pslc.ws/macrog/index.htmMacrogalleria
/modelhtms/poly3D.htm3D Polymer Models
/pslcpress/index.htmNEW: Polymer Spectra
/fire/hsteach/index.htmFire & Polymers
/pslcpress/macrosynth/cv1/inde...NEW: Macromolecular Syntheses Vol I, II, 11 & 13
/macrog/kidsmac/index.htmKids Macrogalleria
/molecules/index.htmStrange Molecules
/macrog/kidsmac/polycons/index...Music Conservatory
https://pslc.ws/potm/index.htmPolymer of the Month
/macrog/exp/rubber/menu.htmRubber Expedition
/macrog/sea/index.htmPolyquarium
http://www.learnpolymers.org/i...External Subdomain Polymer Courses
https://pslc.ws/teacher.htmlEducational Resources
https://pslc.ws/polydel/Polydelphia
/macrog/kidsmac/kfloor4.htmActivities & Demos
/macrog/kidsmac/paul/Polymers for Kids
https://pslc.ws/new/index.htmWhat's New and Exciting at the PSLC!
https://www.acs.org/content/ac...External Subdomain Careers in Polymer Science/Engineering

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://pslc.ws/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.91 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 (9 kB).

HTTP Response Header

NameValue
dateMon, 19 Aug 2024 14:18:27 GMT
content-typetext/html
last-modifiedWed, 31 Jul 2019 19:10:45 GMT
varyAccept-Encoding
host-headerc2hhcmVkLmJsdWVob3N0LmNvbQ==
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=vlzrBaNyw43wX9AFg3Bcsvm3OrWpsbcok1fgDIVu4UdYqfAitQGrmA2%2B0htfKvNYc%2Fu9Zbr6d1jiUHXVus0UhpLrXRliug3vIAV4B2fdgseKprLABLBaCNM%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray8b5ac5de2e9c1d90-FRA
content-encodinggzip
statuscode200
http_versionHTTP/2

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 2,355 referring domains.
This page has 8,633 backlinks.
This page has backlinks from 925 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

No valid Robots.txt file was found.

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
Polymer52%Check
Science52%Check
pslc52%Check
Polymer Science52%Check
Science Engineering46%Check
new39%Check
Macrogalleria39%Check
Polymers39%Check
Kids39%Check
Models39%Check
Show more keywords and terms

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