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Welcome to optical-brightener.de homepage info - get ready to check Optical Brightener best content right away, or after learning these important things about optical-brightener.de
Optical brighteners from Germany are used in many industries to improve colour brilliance and to enhance product optics. Contact by phone +49-4141-5292-12Visit optical-brightener.de
We analyzed Optical-brightener.de page load time and found that the first response time was 375 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
optical-brightener.de performance score
Our browser made a total of 86 requests to load all elements on the main page. We found that 94% of them (81 requests) were addressed to the original Optical-brightener.de, 2% (2 requests) were made to Fonts.googleapis.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Optical-brightener.de.
Page size can be reduced by 464.9 kB (14%)
In fact, the total size of Optical-brightener.de main page is 3.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 132.6 kB
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 132.6 kB or 71% of the original size.
Potential reduce by 252.1 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. Optical Brightener images are well optimized though.
Potential reduce by 32.3 kB
Potential reduce by 47.9 kB
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. Optical-brightener.de needs all CSS files to be minified and compressed as it can save up to 47.9 kB or 25% of the original size.
Number of requests can be reduced by 41 (55%)
optical-brightener.de accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
optical-brightener.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Serves images with low resolution
Browser errors were logged to the console
Page has valid source maps
optical-brightener.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optical-brightener.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), while the claimed language is English. Our system also found out that Optical-brightener.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.
Open Graph data is detected on the main page of Optical Brightener. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: