SEO report of catalysisbook.org
Catalysis: Concepts and Green Applications
www.catalysisbook.org/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Make the site mobile device friendly.
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
- Use "H" tags.
SEO
URL
Domain : www.catalysisbook.org/
Character length : 22
Title
Catalysis: Concepts and Green Applications
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
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
The robots.txt file is missing!
Social
Social Engagement
No info found.
Content
Doctype
Missing doctype element
Encoding
Error! The character encoding setting is missing!
Language
Error! No language localization is found.
Title
Catalysis: Concepts and Green Applications
Character length : 42
Good! The title’s length is between 10 and 70 characters.
Character length : 42
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 18%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 |
No "H" tags found
Heading structure in the source code
Word cloud
Keyword matrix
| word | title | descriptions | heading |
|---|
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Error! The website uses iFrame solutions. This type of contents are not indexed by Google.
Images
We found 0 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.
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 672px wide display!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <FRAMESET> | 1 |
| <FRAME> | 2 |
| <NOFRAMES> | 1 |
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <FRAMESET> | 1 |
| <FRAME> | 2 |
| <NOFRAMES> | 1 |
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
3,655 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
13
Number of source domains
1
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
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
6.11KB
Gzip compression
Error! By using Gzip you can save 118B (31% compression) on your site.
- By compressing http://www.catalysisbook.org you can save 118B (31% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
10
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.catalysisbook.org/images/CONGA-2-cover.png | Expiry time is not specified |
| http://www.catalysisbook.org/images/abouttheauthor.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/aboutthebook.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/bookreviews.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/contact.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/disclaimer.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/exercises.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/home.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/lectureslides.jpg | Expiry time is not specified |
| http://www.catalysisbook.org/images/refswithdois.jpg | Expiry time is not specified |
Speed test – Images
File size of all images combined
443.50KB
Image optimisation
You can save 120.3KB (28% compression) by optimising the images below:
- By lossless compressing the http://www.catalysisbook.org/images/CONGA-2-cover.png you can save 44.9KB (13%) data.
- By lossless compressing the http://www.catalysisbook.org/images/abouttheauthor.jpg you can save 10.1KB (82%) data.
- By lossless compressing the http://www.catalysisbook.org/images/aboutthebook.jpg you can save 10KB (82%) data.
- By lossless compressing the http://www.catalysisbook.org/images/refswithdois.jpg you can save 9.8KB (82%) data.
- By lossless compressing the http://www.catalysisbook.org/images/lectureslides.jpg you can save 9.5KB (83%) data.
- By lossless compressing the http://www.catalysisbook.org/images/exercises.jpg you can save 8.6KB (83%) data.
- By lossless compressing the http://www.catalysisbook.org/images/disclaimer.jpg you can save 8.2KB (83%) data.
- By lossless compressing the http://www.catalysisbook.org/images/contact.jpg you can save 7.6KB (84%) data.
- By lossless compressing the http://www.catalysisbook.org/images/home.jpg you can save 6.6KB (84%) data.
- By lossless compressing the http://www.catalysisbook.org/images/bookreviews.jpg you can save 4.9KB (70%) data.
Traffic
Alexa
7935527
Links
We found a total of 0 different links.
Website security
IP
205.178.145.154
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
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Typos
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