Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

isotec.de

Abdichtung | Schimmel entfernen | Balkon Sanierung - ISOTEC

Page Load Speed

34.9 sec in total

First Response

410 ms

Resources Loaded

3.6 sec

Page Rendered

30.8 sec

isotec.de screenshot

About Website

Visit isotec.de now to see the best up-to-date ISOTEC content for Germany and also check out these interesting facts you probably never knew about isotec.de

ISOTEC ist spezialisiert auf die Beseitigung von Schimmel und Feuchtigkeitsschäden sowie die Gebäudetrocknung und den Bautenschutz. Wir bieten Qualität.

Visit isotec.de

Key Findings

We analyzed Isotec.de page load time and found that the first response time was 410 ms and then it took 34.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

isotec.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value25.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value63.0 s

0/100

10%

Network Requests Diagram

isotec.de

410 ms

www.isotec.de

610 ms

99ca2e432e.css

187 ms

main.css

378 ms

main.css

289 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 99% of them (115 requests) were addressed to the original Isotec.de, 1% (1 request) were made to Consent.cookiebot.eu. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Isotec.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 388.6 kB (1%)

Content Size

27.6 MB

After Optimization

27.2 MB

In fact, the total size of Isotec.de main page is 27.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 27.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 147.5 kB

  • Original 172.0 kB
  • After minification 144.4 kB
  • After compression 24.5 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 27.6 kB, which is 16% 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 147.5 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 231.9 kB

  • Original 27.4 MB
  • After minification 27.1 MB

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. ISOTEC images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 9.2 kB

  • Original 34.5 kB
  • After minification 34.5 kB
  • After compression 25.3 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 9.2 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (24%)

Requests Now

114

After Optimization

87

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISOTEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

isotec.de accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

Best Practices

isotec.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

isotec.de SEO score

93

Search Engine Optimization Advices

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

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isotec.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 Isotec.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 ISOTEC. 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: