Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

pvu.de

Pharmazeutische Wirkstoffe, Biozide, Kosmetikrohstoffe, Veterinaersubstanzen und Chemiekalien unsere Startseite - PVU Hamburg

Page Load Speed

974 ms in total

First Response

295 ms

Resources Loaded

618 ms

Page Rendered

61 ms

About Website

Welcome to pvu.de homepage info - get ready to check PVU best content right away, or after learning these important things about pvu.de

pharmazeutische wirkstoffe, biozide, kosmetikrohstoffe, veterinaersubstanzen und chemiekalien von ausgesuchten lieferwerken sind unser wirkungsfeld. unserer kundschaft stehen wir stets als objektiver ...

Visit pvu.de

Key Findings

We analyzed Pvu.de page load time and found that the first response time was 295 ms and then it took 679 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

pvu.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.2 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)

Value0.9 s

100/100

10%

Network Requests Diagram

pvu.de

295 ms

menu.css

111 ms

menu.js

207 ms

logo.gif

112 ms

s.gif

109 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Pvu.de and no external sources were called. The less responsive or slowest element that took the longest time to load (295 ms) belongs to the original domain Pvu.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.4 kB (81%)

Content Size

22.7 kB

After Optimization

4.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Pvu.de main page is 22.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 9.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 5.6 kB

  • Original 7.9 kB
  • After minification 6.9 kB
  • After compression 2.3 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. This page needs HTML code to be minified as it can gain 979 B, which is 12% 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 5.6 kB or 71% of the original size.

JavaScript Optimization

-84%

Potential reduce by 4.1 kB

  • Original 4.9 kB
  • After minification 3.3 kB
  • After compression 765 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.1 kB or 84% of the original size.

CSS Optimization

-87%

Potential reduce by 8.6 kB

  • Original 9.9 kB
  • After minification 6.9 kB
  • After compression 1.2 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. Pvu.de needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PVU. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

pvu.de accessibility score

61

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

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

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

pvu.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

pvu.de SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pvu.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Pvu.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

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