SEO report of chem-books.com
Chemistry Books - Chemistry Books
www.chem-books.com/
Download Chemistry Books and References for Free
Tasks
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.chem-books.com/
Character length : 19
Title
Chemistry Books - Chemistry Books
Description
Download Chemistry Books and References for Free
Keywords (meta keywords)
chemistry book,Chemistry references,download,organic chemistry,inorganic chemistry.nuclear chemistry,physical chemistry,analytical chemistry
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
Social
Social Engagement
No info found.
Content
Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Chemistry Books - Chemistry Books
Character length : 33
Good! The title’s length is between 10 and 70 characters.
Character length : 33
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 8%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 3 | 14 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Chemistry Books
- <H3> Search for books or author
- <H2> Facebook
- <H2> Twitter
- <H2> Google Plus
- <H3> Random Books
- <H3> Advances in Photochemistry, Volume 27 - Douglas C. Neckers
- <H3> Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS 5th ed - G H Jeffery
- <H3> Analytical Chemistry Treadwell Hall Vol 2 edited
- <H3> Analytical Chemistry Treadwell Hall Vol 1 edited
- <H3> Cambridge IGCSE Chemistry by Bryan Earl and Doug Wilford
- <H3> introduction to polymer matrix composites - mustafa akay
- <H3> Periodic Table's 7th Row Completed With Discovery Of Four New Elements
- <H3> Lithium-ion batteries: How do they work? (video)
- <H3> Advanced Maths for Chemists J-E-Parker
- <H3> Liquid Nitrogen Into A Swimming Pool (Amazing)
- <H3> States of Matter
- <H3> hydrogen rocket
Word cloud
- chemistry20
- chem-books10
- written10
- published10
- read10
- comment8
- analytical8
- battery7
- books5
- videos5
- treadwell4
- hall4
- vol4
- edited4
- lithium-ion4
- august3
- been3
- liquid3
- elements3
- four3
- february3
- work3
- electric3
- car3
- how3
- number3
- doug2
- akay2
- january2
- mustafa2
- periodic2
- polymer2
- introduction2
- pool2
- composites2
- wilford2
- table2
- components2
- basf2
- advanced2
- maths2
- comments2
- batteries2
- energy2
- modern2
- december2
- now2
- only2
- new2
- swimming2
- completed2
- nitrogen2
- earl2
- chemists2
- predicted2
- j-e-parker2
- row2
- matrix2
- reading2
- chemical2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| chemistry | |||
| chem-books | |||
| written | |||
| published | |||
| read | |||
| comment |
Two Word cloud
- read more10
- chem-books published7
- analytical chemistry5
- hall vol3
- electric car2
- liquid nitrogen2
Three Word cloud
- written by chem-books published2
- published in chemistry videos2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 16 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Readability
Flesch–Kincaid Grade Level
5.00
Flesch Reading Ease
67.70
Coleman Liau Index
11.40
Automated Readability Index (ARI)
2.70
Dale–Chall Readability
6.80
SMOG Index
9.10
Spache Readibility
5.00
Number of letters
3133
Number of words
676
Number of sentences
148
Average words per sentences
5
Number of syllables
1075
Syllables in words
1044
Average syllables in words
1.59
Number of words in first three syllables
153
Percentage of word / syllables
22.63
Words not in Dale-Chall easy-word list
280
Words not in Spache easy-word list
167
Technologies
Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Speed test
Server response time
The server response time is fast enough.
Loading time
2,953 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
14
Number of source domains
9
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://img.sedoparking.com/js/jquery-1.11.3.custom.min.js
- http://www.google.com/adsense/domains/caf.js
- https://script.ioam.de/iam.js
- http://de.ioam.de/tx.io?st=sedo&cp=322&sv=in&pt=CP&ps=lin&...
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.chem-books.com/media/system/js/mootools-core.js
- http://www.chem-books.com/media/system/js/core.js
- http://www.chem-books.com/media/system/js/mootools-more.js
- http://www.chem-books.com/media/system/js/modal.js
- http://www.chem-books.com/components/com_k2/js/k2.js
- http://www.chem-books.com/templates/zt_para/zt_menus/zt_megamenu/zt.megamenu.js
- http://www.chem-books.com/templates/zt_para/zt_menus/zt_fancymenu/zt_fancymenu.js
- http://www.chem-books.com/templates/zt_para/js/zt.script.js
- http://www.chem-books.com/modules/mod_socialfancysliders/js/slider.js
- http://www.chem-books.com/modules/mod_socialfancysliders/js/slider-ie7.js
File size of all javascript files combined
319.99KB
Javascript minifying
You can save 914B (13% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.chem-books.com/media/system/css/modal.css
- http://www.chem-books.com/templates/zt_para/css/k2.css
- http://www.chem-books.com/templates/zt_para/zt_menus/zt_megamenu/zt.megamenu.css
- http://www.chem-books.com/templates/zt_para/zt_menus/zt_fancymenu/zt_fancymenu.css
- http://www.chem-books.com/templates/system/css/system.css
- http://www.chem-books.com/templates/system/css/general.css
- http://www.chem-books.com/templates/zt_para/css/default.css
- http://www.chem-books.com/templates/zt_para/css/template.css
- http://www.chem-books.com/templates/zt_para/css/modules.css
- http://www.chem-books.com/templates/zt_para/css/patterns.css
- http://www.chem-books.com/templates/zt_para/css/animations.css
- http://www.chem-books.com/templates/zt_para/css/typo.css
- http://www.chem-books.com/templates/zt_para/css/fonts.css
- http://www.chem-books.com/templates/zt_para/css/k2.css
- http://www.chem-books.com/templates/zt_para/css/vm.css
- http://www.chem-books.com/modules/mod_socialfancysliders/css/style.css
- http://www.chem-books.com/modules/mod_socialfancysliders/css/style_ie7.css
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
69.36KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
4
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://img.sedoparking.com/js/jquery-1.11.3.custom.min.js | Expiry time is not specified |
| http://www.google.com/adsense/domains/caf.js | 60 minutes |
| https://script.ioam.de/iam.js | 2 hours |
Speed test – Images
File size of all images combined
2.04KB
Image optimisation
You can save 1.1KB (77% compression) by optimising the images below:
- By lossless compressing the http://afs.googleusercontent.com/dp-sedo/bullet_lime.gif you can save 1.1KB (77%) data.
Traffic
Alexa
4538668
Links
We found a total of 84 different links.
Internal links: 80
External links: 4
Internal links: 80
External links: 4
External links:
| Link text (anchor) | Link strength |
|---|---|
| Follow ChemBooks | |
| http://www.facebook.com/ChemBooks | |
| https://twitter.com/ChemBooks | |
| https://plus.google.com/u/0/115555082850132211755 |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| Chemistry Books | |
| Register | |
| Forgot your password? | |
| Create an account | |
| Home | |
| Organic | |
| Inorganic | |
| Physical | |
| Analytical | |
| Biochemistry | |
| Nuclear | |
| other | |
| News | |
| Articles | |
| Tutorials | |
| Videos | |
| http://www.chem-books.com/.. /203-advances-in-photochemistry-volume-27... | |
| Advances in Photochemistry, Volume 27 - Douglas C. Neckers | |
| Contunue Reading | |
| http://www.chem-books.com/.. /165-vogels-textbook-of-quantitative-chem... | |
| Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS 5th ed - G H Jeffery | |
| Contunue Reading | |
| Subscribe to this RSS feed | |
| Analytical Chemistry Treadwell Hall Vol 2 edited | |
| Chem-Books | |
| Analytical Chemistry | |
| http://www.chem-books.com/.. /332-analytical-chemistry-treadwell-hall-... | |
| Read more... | |
| 0 comment | |
| Analytical Chemistry Treadwell Hall Vol 1 edited | |
| http://www.chem-books.com/.. /331-analytical-chemistry-treadwell-hall-... | |
| Read more... | |
| 0 comment | |
| Cambridge IGCSE Chemistry by Bryan Earl and Doug Wilford | |
| Inorganic Chemistry | |
| http://www.chem-books.com/.. /330-cambridge-igcse-chemistry-by-bryan-e... | |
| Read more... | |
| 0 comment | |
| introduction to polymer matrix composites - mustafa akay | |
| Organic Chemistry | |
| http://www.chem-books.com/.. /329-introduction-to-polymer-matrix-compo... | |
| Read more... | |
| 0 comment | |
| Periodic Table's 7th Row Completed With Discovery Of Four New Elements | |
| Chemistry news | |
| http://www.chem-books.com/.. /328-periodic-tables-7th-row-completed-wi... | |
| Read more... | |
| 2 comments | |
| Lithium-ion batteries: How do they work? (video) | |
| Chemistry Videos | |
| http://www.chem-books.com/.. /327-lithium-ion-batteries-how-do-they-wo... | |
| Read more... | |
| 0 comment | |
| Advanced Maths for Chemists J-E-Parker | |
| http://www.chem-books.com/.. /326-advanced-maths-for-chemists-j-e-park... | |
| Read more... | |
| 0 comment | |
| Liquid Nitrogen Into A Swimming Pool (Amazing) | |
| http://www.chem-books.com/.. /295-liquid-nitrogen-into-a-swimming-pool... | |
| Read more... | |
| 0 comment | |
| States of Matter | |
| http://www.chem-books.com/.. /294-states-of-matter.html | |
| Read more... | |
| 3 comments | |
| hydrogen rocket | |
| http://www.chem-books.com/.. /293-hydrogen-rocket.html | |
| Read more... | |
| 0 comment | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| Next | |
| End |
Website security
IP
192.185.74.165
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Order of Heading elements on mobile by position
- H1 : Chemistry Books, ( 11px from top )
- H3 : Analytical Chemistry Treadwell Hall Vol 2 edited , ( 620.15625px from top )
Typos
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