duelengine.com

Tasks

Make the site mobile device friendly.
Avoid using deprecated HTML tags.
Implement the viewport meta tag.

SEO

URL

Domain : www.duelengine.org/

Character length : 19

Title

DUEL

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.

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

DUEL

Character length : 4

Improve! The website address (title) should be between 10 and 70 characters in length.

Text / HTML ratio

Ratio : 49%

Good! The text / code ratio is between 25 and 70 percent.

Headings

H1	H2	H3	H4	H5	H6
1	3	0	0	0	0

Heading structure in the source code

<H1> DUEL v0.9.7
<H2> Source Code
<H2> Components
<H2> Documentation

Word cloud

duel14
templates3
runtime3
mvc3
components3
java2
standalone2
maven2
javascript2
merge2
generator2
source2
code2
views2
like2
server-side2
web2
used2
building2
environment2
compiler2

Keyword matrix

word	title	descriptions	heading
duel
templates
runtime
mvc
components
java

404 Page

The website has no standard 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 1 images on this web page.

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

Readability

Flesch–Kincaid Grade Level

5.70

Flesch Reading Ease

64.40

Coleman Liau Index

12.00

Automated Readability Index (ARI)

4.70

Dale–Chall Readability

9.40

SMOG Index

9.10

Spache Readibility

5.00

Number of letters

1044

Number of words

212

Number of sentences

Average words per sentences

Number of syllables

342

Syllables in words

349

Average syllables in words

1.61

Number of words in first three syllables

Percentage of word / syllables

17.45

Words not in Dale-Chall easy-word list

122

Words not in Spache easy-word list

Technologies

Mobile optimization

Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 600px wide display!

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Good! The web address is accessible only in one version. The version without www is redirected to the version with 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

932 ms

Table layout

Good! No nested tables found.

Number of HTTP resources

Number of source domains

Render blocking resources

The elements below are blocking the “above the fold” rendering.
List of render blocking css files

http://www.duelengine.org/styles.css

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

http://www.duelengine.org/ga.js

File size of all javascript files combined

46.40KB

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

2.23KB

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

3.61KB

Gzip compression

Error! By using Gzip you can save 1.8KB (58% compression) on your site.

By compressing http://www.duelengine.org you can save 1.8KB (58% compression rate)
By compressing http://www.duelengine.org/styles.css you can save 1.1KB (63% compression rate)

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
http://www.duelengine.org/duel.png	Expiry time is not specified
http://www.duelengine.org/ga.js	Expiry time is not specified
http://www.duelengine.org/styles.css	Expiry time is not specified
http://www.google-analytics.com/ga.js	2 hours

Speed test – Images

File size of all images combined

42.09KB

Image optimisation

All images are optimized.

Links

We found a total of 12 different links.
Internal links: 1
External links: 11

External links:

Link text (anchor)	Link strength
JAX-RS
for example
DUEL
DUEL Merge: build-time resource management & compaction
DUEL MVC = DUEL + Jersey + Guice
DUEL CSS: standalone CSS3 (& partial LESS) processor for the JVM
Maven Central
about
syntax
examples
Stephen M. McKamey

Internal links:

Link text (anchor)	Link strength
QUnit test results

Website security

54.192.55.230

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

friendshop.me

spacetransporters.com

kimanddavidtakecapitola.com

abouteconomyrentacar1.net

hotelazcona.com

koregamer.com

Icons

Favicon

Good! The website uses favicon.

Order of Heading elements on mobile by position

H1 : DUEL v0.9.7, ( 24px from top )
H2 : Source Code, ( 570.703125px from top )
H2 : Components, ( 846.109375px from top )
H2 : Documentation, ( 1067.515625px from top )

Typos

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SEO report of duelengine.com