Access formularverlag-kolb.de. Unbenanntes Dokument

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

formularverlag-kolb.de

257 ms

under_construction.jpg

175 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Formularverlag-kolb.de and no external sources were called. The less responsive or slowest element that took the longest time to load (257 ms) belongs to the original domain Formularverlag-kolb.de.

Content Size

16.5 kB

After Optimization

15.6 kB

In fact, the total size of Formularverlag-kolb.de main page is 16.5 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. Images take 14.9 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 874 B

Original 1.6 kB
After minification 1.4 kB
After compression 707 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. This page needs HTML code to be minified as it can gain 176 B, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 874 B or 55% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 14.9 kB
After minification 14.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Formularverlag Kolb images are well optimized though.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Formularverlag Kolb. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Serves images with low resolution

Search Engine Optimization Advices

Language and Encoding

Language Detected

DE
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Formularverlag-kolb.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Formularverlag-kolb.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

formularverlag-kolb.de

Open Graph description is not detected on the main page of Formularverlag Kolb. 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: