rkndivetech.cz

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.
Use "H" tags.

SEO

URL

Domain : www.rkndivetech.cz/

Character length : 19

Title

RKN DiveTech s.r.o. - REBREATHERS & COMPONENTS

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

Error! Hyphen (-) is a better solution than underscore (_) in the URLs

http://www.rkndivetech.cz/./en/index_en.htm
http://www.rkndivetech.cz/./ger/index_ger.htm
http://www.rkndivetech.cz/./pl/index_pl.htm
http://www.rkndivetech.cz/./hr/index_hr.htm
http://www.rkndivetech.cz/./ru/index_ru.htm
http://www.rkndivetech.cz/cz/novinky_cz.htm ("Novinky")
http://www.rkndivetech.cz/cz/rebreather_cz.htm ("Rebreather")
http://www.rkndivetech.cz/cz/doplnky_cz.htm ("Doplòky")
http://www.rkndivetech.cz/cz/cestovani_cz.htm ("Cestování")
http://www.rkndivetech.cz/cz/servis_cz.htm ("Servis")
http://www.rkndivetech.cz/cz/vycvik_cz.htm ("Výcvik")
http://www.rkndivetech.cz/cz/kontakty_cz.htm ("Kontakty")
http://www.rkndivetech.cz/cz/zajimavosti_cz.htm ("Pøeètìte si")
Expand

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

Missing doctype element

Encoding

Perfect! The character encoding is set: WINDOWS-1250.

Language

Error! No language localization is found.

Title

RKN DiveTech s.r.o. - REBREATHERS & COMPONENTS

Character length : 46

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

Text / HTML ratio

Ratio : 11%

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
0	0	0	0	0	0

No "H" tags found

Heading structure in the source code

Word cloud

Keyword matrix

word	title	descriptions	heading

404 Page

The website has a 404 error page.

Flash content

Good! The website does not have any flash contents.

Frame

Error! The website uses iFrame solutions. This type of contents are not indexed by Google.

Images

We found 16 images on this web page.

Alternate attributes for the following 9 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

Technologies

Mobile optimization

Mobilnezet ellenorzes - warning

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 not fast enough: 3.5 seconds have passed until the page started to load.

Loading time

294 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 javascript files

http://rkndivetech.cz/wp-includes/js/jquery/jquery.js?ver=1.12.4
http://rkndivetech.cz/.. /jquery-migrate.min.js?ver=1.4.1

List of render blocking css files

http://rkndivetech.cz/.. /wp_head.css?1520348047&ver=4.9.2
http://rkndivetech.cz/.. /vfb-style.min.css?ver=2015.11.29
http://rkndivetech.cz/wp-content/themes/Divi/style.css?ver=3.0.105
http://fonts.googleapis.com/css?family=ABeeZee%3Aregular%2Citalic%7C...
http://rkndivetech.cz/wp-includes/css/dashicons.min.css?ver=4.9.2
http://rkndivetech.cz/.. /et-core-unified-15247794568968.min.css

Speed test – Javascript

Javascript

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

File size of all javascript files combined

1.00MB

Javascript minifying

You can save 135B (26% 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

746.09KB

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

69.77KB

Gzip compression

Your site uses compression.

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
https://www.google.com/recaptcha/api.js	5 minutes
https://www.google.com/recaptcha/api.js?ver=2.0&hl	5 minutes
https://www.google.com/.. /webworker.js?hl=en&v=v1524685466525	5 minutes
https://www.googletagmanager.com/gtag/js?id=UA-118292121-1	15 minutes
https://www.google-analytics.com/analytics.js	2 hours

Speed test – Images

File size of all images combined

2.57MB

Image optimisation

You can save 1.3MB (52% compression) by optimising the images below:

By lossless compressing the http://rkndivetech.cz/.. /IMG_20180409_151352.jpg you can save 304.7KB (96%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/4.jpg you can save 282.1KB (95%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/6.jpg you can save 216.9KB (94%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/3.jpg you can save 206.2KB (93%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/1.jpg you can save 80KB (22%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/5.jpg you can save 61.8KB (19%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/2.jpg you can save 50.9KB (21%) data.
By lossless compressing the http://rkndivetech.cz/.. /IMG_20180406_082041-1.jpg you can save 42.5KB (15%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/RKN-DiveTech.jpg you can save 36.2KB (40%) data.
By lossless compressing the http://rkndivetech.cz/.. /v%C3%BDrobek_rkndivetech_20.jpg you can save 28.4KB (32%) data.
By lossless compressing the http://rkndivetech.cz/wp-content/uploads/2018/03/rkn-logo.jpg you can save 3.2KB (30%) data.

Links

We found a total of 18 different links.
Internal links: 18

External links:

Link text (anchor)	Link strength

Internal links:

Link text (anchor)	Link strength
http://www.rkndivetech.cz/./index.htm
http://www.rkndivetech.cz/./en/index_en.htm
http://www.rkndivetech.cz/./ger/index_ger.htm
http://www.rkndivetech.cz/./pl/index_pl.htm
http://www.rkndivetech.cz/./hr/index_hr.htm
http://www.rkndivetech.cz/./ru/index_ru.htm
Home
Novinky
Rebreather
Doplòky
Kalendáø akcí
Cestování
Servis
Výcvik
Pùjèovna
Kontakty
Galerie
Pøeètìte si

Website security

109.123.223.76

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

Warning! The website contains at least one unencrypted email address.

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Icons

Favicon

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

Typos

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SEO report of rkndivetech.cz