bitcoinbook.info

Tasks

Select one version of your site as main and make a redirect from other versions to that one.
Avoid using deprecated HTML tags.

SEO

URL

Domain : www.bitcoinbook.info/

Character length : 21

Title

Mastering Bitcoin – The Bitcoin Book

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

There is robots.txt file.
https://bitcoinbook.info/robots.txt

User-agent	Disallowed for the search engines
*	/wp-admin/

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

Mastering Bitcoin – The Bitcoin Book

Character length : 42

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 7%

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
2	0	0	0	0	0

Heading structure in the source code

<H1> Mastering Bitcoin
<H1> About Mastering Bitcoin

Word cloud

book4
bitcoin4
mastering3
andreas3
antonopoulos2

Keyword matrix

word	title	descriptions	heading
book
bitcoin
mastering
andreas
antonopoulos

Two Word cloud

mastering bitcoin2

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 0 images on this web page.

Good! Every image has an alternative text attributes set on this website.

Readability

Flesch–Kincaid Grade Level

5.60

Flesch Reading Ease

62.00

Coleman Liau Index

12.00

Automated Readability Index (ARI)

4.10

Dale–Chall Readability

6.90

SMOG Index

8.30

Spache Readibility

4.80

Number of letters

654

Number of words

131

Number of sentences

Average words per sentences

Number of syllables

218

Syllables in words

215

Average syllables in words

1.66

Number of words in first three syllables

Percentage of word / syllables

19.85

Words not in Dale-Chall easy-word list

Words not in Spache easy-word list

Technologies

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.

Table layout

Good! No nested tables found.

Render blocking resources

Good! No render blocking elements found!

Speed test – Javascript

Javascript

Error! Too many javascript files found which slows down the page load on the website.

https://www.bitcoinbook.info/wp-includes/js/jquery/jquery.js
https://www.bitcoinbook.info/wp-includes/js/jquery/jquery-migrate.min.js
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/js/custom.js
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/js/nice-scroll.js
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/js/jquery.equalheights.js
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/js/jquery.sidr.js
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/js/ajax.js
https://www.bitcoinbook.info/wp-includes/js/wp-embed.min.js

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.

https://www.bitcoinbook.info/wp-content/themes/book-landing-page/css/jquery.sidr.light.css
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/css/font-awesome.css
https://www.bitcoinbook.info/wp-content/themes/book-landing-page/style.css
https://www.bitcoinbook.info/wp-content/plugins/amazon-link/Amazon.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

0.00

Gzip compression

Your site uses compression.

Speed test – Browser cache

Browser cache

The browser cache is set correctly for all elements.

Speed test – Images

File size of all images combined

0.00

Image optimisation

All images are optimized.

Links

We found a total of 14 different links.
Internal links: 8
External links: 6

External links:

Link text (anchor)	Link strength
Author Site
Andreas M. Antonopoulos
conference or meetup
Andreas
Book Landing Page By Rara Theme
WordPress.

Internal links:

Link text (anchor)	Link strength
Mastering Bitcoin
https://www.bitcoinbook.info/#sidr-main
About
Buy
Download
Translations
Donate
Mastering Bitcoin.

Website security

54.152.68.197

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

theinternetofmoney.org

key.network

Icons

Favicon

Error! No favicon is found. Using favicon helps to build a better brand quicker.

Typos

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SEO report of bitcoinbook.info

Mastering Bitcoin – The Bitcoin Book

Tasks

SEO

Social

Content

Readability

Technologies

Speed test

Speed test – Javascript

Speed test – CSS

Speed test – Compression

Speed test – Browser cache

Speed test – Images

Links

External links:

Internal links:

Website security

Sites on same ip

theinternetofmoney.org

key.network