Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

semi-tec.de

Semitec GmbH - Engineering für Reinstmedien - Unternehmen

Page Load Speed

2.9 sec in total

First Response

816 ms

Resources Loaded

1.8 sec

Page Rendered

342 ms

semi-tec.de screenshot

About Website

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

Semitec GmbH

Visit semi-tec.de

Key Findings

We analyzed Semi-tec.de page load time and found that the first response time was 816 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

semi-tec.de performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

semi-tec.de

816 ms

main.css

133 ms

prototype.js

238 ms

scriptaculous.js

242 ms

lightbox.js

245 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that all of those requests were addressed to Semi-tec.de and no external sources were called. The less responsive or slowest element that took the longest time to load (816 ms) belongs to the original domain Semi-tec.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.4 kB (46%)

Content Size

284.6 kB

After Optimization

153.2 kB

In fact, the total size of Semi-tec.de main page is 284.6 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. 20% of websites need less resources to load. Images take 129.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.2 kB

  • Original 7.5 kB
  • After minification 6.7 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 854 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 5.2 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 114 B

  • Original 129.6 kB
  • After minification 129.5 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. Semitec images are well optimized though.

JavaScript Optimization

-85%

Potential reduce by 97.2 kB

  • Original 114.4 kB
  • After minification 73.5 kB
  • After compression 17.2 kB

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 97.2 kB or 85% of the original size.

CSS Optimization

-87%

Potential reduce by 28.9 kB

  • Original 33.1 kB
  • After minification 18.3 kB
  • After compression 4.2 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. Semi-tec.de needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (12%)

Requests Now

25

After Optimization

22

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semitec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

semi-tec.de accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

semi-tec.de best practices score

83

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

Page has valid source maps

SEO Factors

semi-tec.de SEO score

90

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semi-tec.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 Semi-tec.de 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 Semitec. 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: