Access optibelt.com. Keilriemen, Zahnriemen und Antriebsriemen vom Hersteller

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

optibelt.com

397 ms

495 ms

flexslider.css

101 ms

stylesheet_3dd0363a1f.css

196 ms

layout_home.css

200 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 95% of them (63 requests) were addressed to the original Optibelt.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Optibelt.com.

Content Size

3.0 MB

After Optimization

2.5 MB

In fact, the total size of Optibelt.com main page is 3.0 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. 50% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.5 kB

Original 49.1 kB
After minification 44.5 kB
After compression 10.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.5 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 135.7 kB

Original 2.6 MB
After minification 2.4 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. Optibelt images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 211.6 kB

Original 289.4 kB
After minification 277.0 kB
After compression 77.8 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 211.6 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 70.8 kB

Original 84.6 kB
After minification 62.2 kB
After compression 13.8 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. Optibelt.com needs all CSS files to be minified and compressed as it can save up to 70.8 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optibelt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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

High

Document doesn't have a valid hreflang

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optibelt.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Optibelt.com 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

optibelt.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Keilriemen, Zahnriemen und Antriebsriemen vom Hersteller

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

optibelt.com

flexslider.css

stylesheet_3dd0363a1f.css

layout_home.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

optibelt.com

flexslider.css

stylesheet_3dd0363a1f.css

layout_home.css

content_elements.css

content_elements_erfolgstories.css

selectBox.css

news.css

produkte.css

mediaqueries.css

locator.css

jcarousel_skin.css

stylesheet_f794220dbd.css

jquery-1.7.x-1.8.x.js

jquery.flexslider-min.js

jquery.jcarousel.min.js

jquery.selectBox.js

jquery.generalEffects.js

javascript_0b12553063.js

jquery-ui.js

jquery.locator_en.js

bg_pattern.jpg

stage_bg.jpg

box_arrows.gif

language_select.png

de_small.png

uk_small.png

us_small.png

us_website_icon.gif

made_in_germany_stempel.png

logo.png

nav_bg.jpg

optibelt-albert-einstein-gravitation_EN.jpg

OPTIBELT-WALK-Traide-fair-ESEF.jpg

optibelt-Delta-Chain-Carbon-GDA2016-And-The-Winner-Is_01.jpg

optibelt-takes-over-tranz-corp.jpg

slider-elastomer-solutions-elastomit-r_EN.jpg

slide-optibelt-scc-secured-change-control-en.jpg

Gruppenbild_08.png

optibelt-delta-chain-carbon_01.jpg

Startseite_News_2_08.jpg

Praxis_09.jpeg

optibelt_2_0_08.jpg

optibelt-veranstaltungen_04.jpg