prentbriefkaartenarchief.nl

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 : www.prentbriefkaartenarchief.nl/

Character length : 32

Title

Joodse prentbriefkaarten in Nederland

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.prentbriefkaartenarchief.nl/info_stichting.html ("INFO")
http://www.prentbriefkaartenarchief.nl/joods_assen.htm ("THEMA")

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

There is robots.txt file.
https://prentbriefkaartenarchief.nl/robots.txt

User-agent	Disallowed for the search engines
*	/_mm/ /_notes/ /_baks/ /MMWIP/
googlebot	*.csi

Social

Social Engagement

No info found.

Content

Doctype

XHTML 1.0 Transitional

Encoding

Perfect! The character encoding is set: ISO-8859-1.

Language

Error! No language localization is found.

Title

Joodse prentbriefkaarten in Nederland

Character length : 37

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
0	0	0	1	0	0

Heading structure in the source code

<H4> Content on this page requires a newer version of Adobe Flash Player.

Word cloud

archief3
prentbriefkaarten2

Keyword matrix

word	title	descriptions	heading
archief
prentbriefkaarten

404 Page

The website has a 404 error page.

Flash content

Error! We found flash content(s) on this website which cannot be indexed by the search engines.

Frame

Good! The website does not use iFrame solutions.

Images

We found 18 images on this web page.

Alternate attributes for the following 11 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

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

Error! Avoid using nested tables!

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://www.prentbriefkaartenarchief.nl/Scripts/swfobject_modified.js

List of render blocking css files

http://www.prentbriefkaartenarchief.nl/css/mm_photography.css

Speed test – Javascript

Javascript

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

File size of all javascript files combined

22.19KB

Javascript minifying

You can save 2.4KB (39% 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.

http://www.prentbriefkaartenarchief.nl/css/mm_photography.css

File size of all css files combined

1.77KB

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

11.01KB

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
http://prentbriefkaartenarchief.nl/.. /AmsterdamBatavierdwarsstraatA0544.jpg	Expiry time is not specified
http://prentbriefkaartenarchief.nl/images/PesachkaartA1087.jpg	Expiry time is not specified
http://prentbriefkaartenarchief.nl/images/leeuw3_000_000.jpg	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/Scripts/swfobject_modified.js	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/css/mm_photography.css	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/.. /AmsterdamJDMeijerpleinkermisA0561.jpg	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/.. /AmsterdamMarokoA0340.jpg	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/.. /HermannJunker09A0761.jpg	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/.. /TerHeijdeaanZeeA0079.jpg	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/images/mm_background.gif	Expiry time is not specified
http://www.prentbriefkaartenarchief.nl/images/mm_spacer.gif	Expiry time is not specified
https://www.adobe.com/.. /get_flash_player.gif	10.6 minutes

Speed test – Images

File size of all images combined

3.35MB

Image optimisation

You can save 3.3MB (98% compression) by optimising the images below:

By lossless compressing the http://prentbriefkaartenarchief.nl/.. /AmsterdamBatavierdwarsstraatA0544.jpg you can save 907KB (98%) data.
By lossless compressing the http://www.prentbriefkaartenarchief.nl/.. /HermannJunker09A0761.jpg you can save 697.1KB (98%) data.
By lossless compressing the http://prentbriefkaartenarchief.nl/images/PesachkaartA1087.jpg you can save 658KB (98%) data.
By lossless compressing the http://www.prentbriefkaartenarchief.nl/.. /AmsterdamMarokoA0340.jpg you can save 449.2KB (97%) data.
By lossless compressing the http://www.prentbriefkaartenarchief.nl/.. /TerHeijdeaanZeeA0079.jpg you can save 371.4KB (97%) data.
By lossless compressing the http://www.prentbriefkaartenarchief.nl/.. /AmsterdamJDMeijerpleinkermisA0561.jpg you can save 283.2KB (97%) data.

Links

We found a total of 8 different links.
Internal links: 6
External links: 2

External links:

Link text (anchor)	Link strength
LION ICT-services
http://www.adobe.com/go/getflashplayer

Internal links:

Link text (anchor)	Link strength
HOME
INFO
ARCHIEF
THEMA
LINKS
CONTACT

Website security

185.12.13.8

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 prentbriefkaartenarchief.nl