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rochenbio.com screenshot

38

Performance

Renders faster than
57% of other websites
61

Accessibility

Visual factors better than
that of 27% of websites
83

Best Practices

More advanced features
available than in
55% of websites
83

SEO

Google-friendlier than
46% of websites

First Response

3.3 sec

Resources Loaded

43.8 sec

Page Rendered

151 ms

rochenbio.com screenshot

About Website

Welcome to rochenbio.com homepage info - get ready to check Rochenbio best content right away, or after learning these important things about rochenbio.com

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Key Findings

We analyzed Rochenbio.com page load time and found that the first response time was 3.3 sec and then it took 44 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value41.3 s

0/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.363

30/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

rochenbio.com

3326 ms

style.css

681 ms

20100225164022319.jpg

9682 ms

1341804168.jpg

7137 ms

menu_line.png

720 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Rochenbio.com and no external sources were called. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Rochenbio.com.

Content Size

95.8 kB

After Optimization

56.4 kB

In fact, the total size of Rochenbio.com main page is 95.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 78.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.8 kB

Original 8.6 kB
After minification 8.4 kB
After compression 2.9 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 5.8 kB or 67% of the original size.

Image Optimization

-34%

Potential reduce by 26.2 kB

Original 78.2 kB
After minification 52.0 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. Obviously, Rochenbio needs image optimization as it can save up to 26.2 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-82%

Potential reduce by 7.4 kB

Original 9.0 kB
After minification 7.4 kB
After compression 1.6 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. Rochenbio.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 82% of the original size.

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rochenbio. 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 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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rochenbio.com 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 Rochenbio.com 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

rochenbio.com

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