Tools & Wizards About Us
jot-oberflaeche.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jot-oberflaeche.de

JOT – Journal für Oberflächentechnik

Page Load Speed

22.1 sec in total

First Response

306 ms

Resources Loaded

21.6 sec

Page Rendered

228 ms

jot-oberflaeche.de screenshot

About Website

Visit jot-oberflaeche.de now to see the best up-to-date JOT Oberflaeche content and also check out these interesting facts you probably never knew about jot-oberflaeche.de

JOT berichtet über sämtliche Themen der Oberflächentechnik, z.B. Pulverbeschichten, Nasslackieren, Galvanisieren, Teilereinigung uvm.

Visit jot-oberflaeche.de

Key Findings

We analyzed Jot-oberflaeche.de page load time and found that the first response time was 306 ms and then it took 21.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jot-oberflaeche.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

jot-oberflaeche.de

306 ms

www.jot-oberflaeche.de

896 ms

gtm.js

70 ms

fonts.css

199 ms

bootstrap.min.css

579 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 82% of them (41 requests) were addressed to the original Jot-oberflaeche.de, 6% (3 requests) were made to Cdn.cookielaw.org and 4% (2 requests) were made to Data-8111795886.jot-oberflaeche.de. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Cms.springertransportmedia.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.7 kB (8%)

Content Size

913.8 kB

After Optimization

843.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jot-oberflaeche.de main page is 913.8 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. 60% of websites need less resources to load. Javascripts take 439.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 37.0 kB

  • Original 45.4 kB
  • After minification 35.6 kB
  • After compression 8.4 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 9.8 kB, which is 22% 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 37.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 413 B

  • Original 369.1 kB
  • After minification 368.7 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. JOT Oberflaeche images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 20.3 kB

  • Original 439.6 kB
  • After minification 439.6 kB
  • After compression 419.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 13.0 kB

  • Original 59.6 kB
  • After minification 59.6 kB
  • After compression 46.6 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. Jot-oberflaeche.de needs all CSS files to be minified and compressed as it can save up to 13.0 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (56%)

Requests Now

45

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JOT Oberflaeche. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jot-oberflaeche.de

jot-oberflaeche.de

306 ms

www.jot-oberflaeche.de

www.jot-oberflaeche.de

896 ms

gtm.js

gtm.js

70 ms

fonts.css

fonts.css

199 ms

bootstrap.min.css

bootstrap.min.css

579 ms

owl.carousel.min.css

owl.carousel.min.css

293 ms

scrollbar.css

scrollbar.css

302 ms

font-awesome.min.css

font-awesome.min.css

404 ms

slick.css

slick.css

303 ms

slick-theme.css

slick-theme.css

307 ms

main.css

main.css

585 ms

extra.css

extra.css

403 ms

otSDKStub.js

otSDKStub.js

43 ms

jquery.min.js

jquery.min.js

604 ms

core.js

core.js

410 ms

touch.js

touch.js

505 ms

scrollbar.js

scrollbar.js

504 ms

slick.min.js

slick.min.js

620 ms

loader.js

loader.js

665 ms

bootstrap.min.js

bootstrap.min.js

525 ms

owl.carousel.min.js

owl.carousel.min.js

617 ms

hammer.min.js

hammer.min.js

598 ms

main.js

main.js

599 ms

f737775b-c84e-49ec-b658-c92bb629f5fc.json

f737775b-c84e-49ec-b658-c92bb629f5fc.json

33 ms

gpt.js

gpt.js

106 ms

otBannerSdk.js

otBannerSdk.js

17 ms

bundle.js

bundle.js

268 ms

jot_logo.png

jot_logo.png

128 ms

JOT_Cover_Website.jpg

JOT_Cover_Website.jpg

129 ms

jot_logo_mobil.png

jot_logo_mobil.png

129 ms

JOT_4_2024_JOTlive_CfP_online.jpg.56428275.jpg

JOT_4_2024_JOTlive_CfP_online.jpg.56428275.jpg

129 ms

Fraunhofer_ILT_online.jpg.60071171.jpg

Fraunhofer_ILT_online.jpg.60071171.jpg

130 ms

Clariant_online.jpg.60071164.jpg

Clariant_online.jpg.60071164.jpg

268 ms

Formnext_online.jpg.60071157.jpg

Formnext_online.jpg.60071157.jpg

264 ms

Messe_D%C3%BCsseldorf_online.jpg.60057097.jpg

Messe_D%C3%BCsseldorf_online.jpg.60057097.jpg

262 ms

jot_cover_with_year_64_8.jpg

jot_cover_with_year_64_8.jpg

264 ms

jot_cover_64_2_s.jpg

jot_cover_64_2_s.jpg

264 ms

jot_cover_with_year_64_7.jpg

jot_cover_with_year_64_7.jpg

266 ms

jot_cover_with_year_64_6.jpg

jot_cover_with_year_64_6.jpg

334 ms

jot_cover_with_year_64_5.jpg

jot_cover_with_year_64_5.jpg

332 ms

jot_cover_with_year_64_4.jpg

jot_cover_with_year_64_4.jpg

339 ms

jot_cover_with_year_64_3.jpg

jot_cover_with_year_64_3.jpg

346 ms

jot_cover_with_year_64_2.jpg

jot_cover_with_year_64_2.jpg

340 ms

jot_cover_with_year_64_1.jpg

jot_cover_with_year_64_1.jpg

371 ms

LI-In-Bug_klein.jpg

LI-In-Bug_klein.jpg

447 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

492 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

507 ms

pubads_impl.js

pubads_impl.js

16 ms

logo-springernature-grey.svg

logo-springernature-grey.svg

19678 ms

print.css

print.css

103 ms

Accessibility Review

jot-oberflaeche.de accessibility score

84

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

High

Links do not have a discernible name

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.

Best Practices

jot-oberflaeche.de best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jot-oberflaeche.de SEO score

83

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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jot-oberflaeche.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 Jot-oberflaeche.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

jot-oberflaeche.de

Open Graph data is detected on the main page of JOT Oberflaeche. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: