SEO report of theoreticalminimumbook.com
The Theoretical Minimum by Leonard Susskind
www.theoreticalminimumbook.com/
Susskind and Hrabovsky actually teach the skills you need to do physics, beginning with classical mechanics, yourself. Based on the enormously popular ...
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.
SEO
URL
Domain : www.theoreticalminimumbook.com/
Character length : 31
Title
The Theoretical Minimum by Leonard Susskind
Description
Susskind and Hrabovsky actually teach the skills you need to do physics, beginning with classical mechanics, yourself. Based on the enormously popular Stanford University-based (and Youtube-featured) continuing-education course.
Keywords (meta keywords)
Physics How to learn physics for cheap learning physics without college making physics fun for kids making physics fun learning how to do physics at home homeschooling physics lessons.
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
The robots.txt file is missing!
Social
Social Engagement
Linkedin2
Facebook Share0
Facebook Comments0
Content
Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
The Theoretical Minimum by Leonard Susskind
Character length : 43
Good! The title’s length is between 10 and 70 characters.
Character length : 43
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 19%
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 |
|---|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> The Theoretical Minimum by Leonard Susskind
- <H2> The Theoretical Minimum by Leonard Susskind and George Hrabovsky
Word cloud
- theoretical6
- minimum6
- physics5
- hrabovsky3
- susskind3
- leonard3
- popular2
- readers2
- physicist2
- george2
- authors2
- course2
- know2
- need2
- amateur2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| theoretical | |||
| minimum | |||
| physics | |||
| hrabovsky | |||
| susskind | |||
| leonard |
Two Word cloud
- theoretical minimum3
- leonard susskind2
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 3 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 800px wide display!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without 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
3,315 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
17
Number of source domains
6
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://www.theoreticalminimumbook.com/scripts/prototype.js
- http://www.theoreticalminimumbook.com/microsites/styles/reset.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.theoreticalminimumbook.com/scripts/prototype.js
File size of all javascript files combined
558.18KB
Javascript minifying
You can save 34KB (25% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
758.00B
CSS minifying
You can save 137B (33% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.theoreticalminimumbook.com/microsites/styles/reset.css you can save 137B (33% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
83.10KB
Gzip compression
Error! By using Gzip you can save 105.6KB (77% compression) on your site.
- By compressing http://www.theoreticalminimumbook.com/scripts/prototype.js you can save 105.6KB (77% compression rate)
- By compressing http://www.theoreticalminimumbook.com you can save 11.3KB (76% compression rate)
- By compressing http://www.theoreticalminimumbook.com/microsites/styles/reset.css you can save 160B (39% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
13
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.pbgtoolkit.com/docs_pbg/1352843319facebook-logo.png | Expiry time is not specified |
| http://www.pbgtoolkit.com/.. /1355793925Susskind-The-Theoretical-BANNE... | Expiry time is not specified |
| http://www.pbgtoolkit.com/.. /1355793964Susskind-The_Theoretical.jpg | Expiry time is not specified |
| http://www.theoreticalminimumbook.com/.. /dropshadow.jpg | Expiry time is not specified |
| http://www.theoreticalminimumbook.com/.. /dropshadow_bottomleft.jpg | Expiry time is not specified |
| http://www.theoreticalminimumbook.com/.. /dropshadow_topright.jpg | Expiry time is not specified |
| http://www.theoreticalminimumbook.com/microsites/styles/reset.css | Expiry time is not specified |
| http://www.theoreticalminimumbook.com/scripts/prototype.js | Expiry time is not specified |
| http://m.addthisedge.com/.. /_ate.track.config_resp | 56 seconds |
| http://s7.addthis.com/js/250/addthis_widget.js | 10 minutes |
| http://www.google-analytics.com/ga.js | 2 hours |
Speed test – Images
File size of all images combined
172.49KB
Image optimisation
You can save 94.9KB (74% compression) by optimising the images below:
- By lossless compressing the http://www.pbgtoolkit.com/.. /1355793964Susskind-The_Theoretical.jpg you can save 92.4KB (76%) data.
- By lossless compressing the http://www.theoreticalminimumbook.com/.. /dropshadow.jpg you can save 1.3KB (25%) data.
- By lossless compressing the http://s7.addthis.com/static/btn/v2/lg-share-en.gif you can save 1.1KB (69%) data.
Links
We found a total of 10 different links.
Internal links: 7
External links: 3
Internal links: 7
External links: 3
External links:
| Link text (anchor) | Link strength |
|---|---|
| www.madscitech.org/tm/ | |
| http://www.facebook.com/basicbooks | |
| http://addthis.com/bookmark.php?v=250&pub=xa-4afc369b5814e89c |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| The Theoretical Minimum by Leonard Susskind | |
| Home | |
| Praise | |
| Authors | |
| Excerpt | |
| Buy | |
| http://www.theoreticalminimumbook.com/?p=5 |
Website security
IP
209.169.7.56
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.
Order of Heading elements on mobile by position
- H1 : The Theoretical Minimum by Leonard Susskind, ( 20px from top )
- H2 : The Theoretical Minimum by Leonard Susskind and George Hrabovsky, ( 209px from top )
Typos
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