Access fotothek.slub-dresden.de. Deutsche Fotothek Dresden

fotothek.slub-dresden.de

4628 ms

oben_frame.html

110 ms

welcome.html

309 ms

slubstyle.css

209 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Fotothek.slub-dresden.de and no external sources were called. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Fotothek.slub-dresden.de.

Content Size

6.0 kB

After Optimization

1.2 kB

In fact, the total size of Fotothek.slub-dresden.de main page is 6.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 5.2 kB which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 334 B

Original 769 B
After minification 759 B
After compression 435 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 334 B or 43% of the original size.

CSS Optimization

-85%

Potential reduce by 4.4 kB

Original 5.2 kB
After minification 3.3 kB
After compression 785 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Fotothek.slub-dresden.de needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fotothek Slub Dresden. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Page is blocked from indexing

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fotothek.slub-dresden.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Fotothek.slub-dresden.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

fotothek.slub-dresden.de

Open Graph description is not detected on the main page of Fotothek Slub Dresden. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: