Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

metallographie.biz

www.metallographie.biz | Metallographische Lieferungen

Page Load Speed

2.3 sec in total

First Response

492 ms

Resources Loaded

1.6 sec

Page Rendered

156 ms

metallographie.biz screenshot

About Website

Welcome to metallographie.biz homepage info - get ready to check Metallographie best content right away, or after learning these important things about metallographie.biz

Metallographische Lieferungen-Verbrauchsmaterialien-Metallographie-Materialografie www.metallographie.biz

Visit metallographie.biz

Key Findings

We analyzed Metallographie.biz page load time and found that the first response time was 492 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

metallographie.biz performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

metallographie.biz

492 ms

grundrahmen.css

350 ms

Buehler_WLogo_1.gif

445 ms

hg5.gif

232 ms

homepage_banner.jpg

893 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Metallographie.biz and no external sources were called. The less responsive or slowest element that took the longest time to load (893 ms) belongs to the original domain Metallographie.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.7 kB (23%)

Content Size

89.4 kB

After Optimization

68.7 kB

In fact, the total size of Metallographie.biz main page is 89.4 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 65.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 8.0 kB

  • Original 10.5 kB
  • After minification 9.4 kB
  • After compression 2.5 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 1.1 kB, 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 8.0 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 916 B

  • Original 65.2 kB
  • After minification 64.3 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. Metallographie images are well optimized though.

CSS Optimization

-86%

Potential reduce by 11.8 kB

  • Original 13.6 kB
  • After minification 10.7 kB
  • After compression 1.9 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. Metallographie.biz needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metallographie. According to our analytics all requests are already optimized.

Accessibility Review

metallographie.biz accessibility score

88

Accessibility Issues

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Best Practices

metallographie.biz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

metallographie.biz SEO score

86

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

High

robots.txt is not valid

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • 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 Metallographie.biz 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 Metallographie.biz 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

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