SEO report of ctoibooks.com
Retrograde iBook
www.ctoibooks.com/
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.
SEO
URL
Domain : www.ctoibooks.com/
Character length : 18
Title
Retrograde iBook
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
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Retrograde iBook
Character length : 16
Good! The title’s length is between 10 and 70 characters.
Character length : 16
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 25%
Good! The text / code ratio is between 25 and 70 percent.
Good! The text / code ratio is between 25 and 70 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Optima Education Presents - A guide to mastering Antegrade CTO PCI
Word cloud
- antegrade4
- cto4
- topics2
- guide2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| antegrade | |||
| cto | |||
| topics | |||
| guide |
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 2 images on this web page.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Readability
Flesch–Kincaid Grade Level
8.70
Flesch Reading Ease
41.40
Coleman Liau Index
12.00
Automated Readability Index (ARI)
6.80
Dale–Chall Readability
10.00
SMOG Index
10.30
Spache Readibility
5.00
Number of letters
586
Number of words
107
Number of sentences
22
Average words per sentences
5
Number of syllables
203
Syllables in words
199
Average syllables in words
1.90
Number of words in first three syllables
33
Percentage of word / syllables
30.84
Words not in Dale-Chall easy-word list
69
Words not in Spache easy-word list
61
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 960px 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
1,952 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
23
Number of source domains
4
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
List of render blocking css files
- http://www.ctoibooks.com/css/style2.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
248.30KB
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
- http://www.ctoibooks.com/css/style2.css
File size of all css files combined
141.27KB
CSS minifying
You can save 1.4KB (38% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.ctoibooks.com/css/style2.css you can save 1.4KB (38% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
36.84KB
Gzip compression
Error! By using Gzip you can save 2.5KB (68% compression) on your site.
- By compressing http://www.ctoibooks.com/css/style2.css you can save 2.5KB (68% compression rate)
- By compressing http://www.ctoibooks.com you can save 1.9KB (54% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
16
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.ctoibooks.com/css/style2.css | Expiry time is not specified |
| http://www.ctoibooks.com/images/ibook2.png | Expiry time is not specified |
| http://www.ctoibooks.com/images/new.png | Expiry time is not specified |
| http://www.ctoibooks.com/images/optima.png | Expiry time is not specified |
| https://www.google.com/.. /payload?c=03AJIzXZ7x-9YBCy-ssUZJBIMvLavu... | 30 seconds |
| https://www.google.com/recaptcha/api.js | 5 minutes |
| https://www.google.com/.. /webworker.js?hl=en&v=v1522045847408 | 5 minutes |
Speed test – Images
File size of all images combined
741.52KB
Image optimisation
You can save 2.9KB (30% compression) by optimising the images below:
- By lossless compressing the http://www.ctoibooks.com/images/optima.png you can save 2.9KB (30%) data.
Links
We found a total of 1 different links.
External links: 1
External links: 1
External links:
| Link text (anchor) | Link strength |
|---|---|
| https://itunes.apple.com/.. /id970542167?mt=11 |
Internal links:
| Link text (anchor) | Link strength |
|---|
Website security
IP
77.72.205.63
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 : Optima Education Presents - A guide to mastering Antegrade CTO PCI, ( 74px from top )
Typos
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