cryptotextbook.net | Free Online SEO Audit for cryptotextbook.net

Tasks

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 : toc.cryptotextbook.net/

Character length : 23

Title

cryptographybook

Description

A graduate course in applied cryptography

Keywords (meta keywords)

Good! The website does not use “meta keywords”.

Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

title: cryptographybook
description: A graduate course in applied cryptography

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://toc.cryptotextbook.net/robots.txt

User-agent	Disallowed for the search engines
*	/feeds /_/

Social

Social Engagement

No info found.

Content

Doctype

XHTML 1.0 Transitional

Encoding

Error! The character encoding setting is missing!

Language

Error! No language localization is found.

Title

cryptographybook

Character length : 16

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
1	1	3	0	0	0

Heading structure in the source code

<H3> A Graduate Course in Applied Cryptography
<H1> A Graduate Course in Applied Cryptography
<H2> Dan Boneh and Victor Shoup
<H3> Table of contents at a glance
<H3> Drafts

Word cloud

cryptography7
key6
encryption4
pdf3
version3
message3
integrity3
signatures3
protocols3
graduate3
basic3
theory3
public3
posted3
applied3
part3
course3
authenticated2
number2
hashing2
secure2
chosen2
ciphers2
identification2

Keyword matrix

word	title	descriptions	heading
cryptography
key
encryption
pdf
version
message

Two Word cloud

pdf posted3
theory basic2
identification protocols2
graduate course2
applied cryptography2
public key2

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.

Technologies

Mobile optimization

This website is optimal for mobile devices!

Deprecated HTML elements

Error! Deprecated HTML tags are used on this webpage. You should improve your website.

Deprecated HTML tags	Occurrences
<center>	1
<font>	7

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
<center>	1
<font>	7

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

1,305 ms

Table layout

Error! Avoid using nested tables!

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.

http://toc.cryptotextbook.net/_/rsrc/1492672974000/system/app/css/overlay.css?cb=microblueprint150goog-ws-nonenone30themedefaultstandard
http://toc.cryptotextbook.net/_/rsrc/1492672974000/system/app/css/camelot/allthemes-view.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 8 different links.
Internal links: 3
External links: 5

External links:

Link text (anchor)	Link strength
Dan Boneh
Victor Shoup
Sign in
Report Abuse
Google Sites

Internal links:

Link text (anchor)	Link strength
Sitemap
pdf
Recent Site Activity

Website security

172.217.5.243

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.

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Icons

Favicon

Good! The website uses favicon.

Order of Heading elements on mobile by position

H3 : A Graduate Course in Applied Cryptography , ( 0px from top )
H1 : A Graduate Course in Applied Cryptography, ( 60.859375px from top )
H2 : Dan Boneh and Victor Shoup, ( 200.765625px from top )
H3 : Table of contents at a glance, ( 292.671875px from top )
H3 : Drafts, ( 1300.984375px from top )

Typos

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SEO report of cryptotextbook.net

cryptographybook

Tasks

SEO

Social

Content

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

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Icons

Order of Heading elements on mobile by position

Typos

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