Access diagnostyka-samochodowa.pl. GERANTZ Technik

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.201

61/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

diagnostyka-samochodowa.pl

323 ms

gerantz.com

342 ms

gerantz.com

559 ms

jquery-2.1.1.min.js

171 ms

bootstrap.min.css

309 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Diagnostyka-samochodowa.pl, 90% (43 requests) were made to Gerantz.com and 6% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (716 ms) relates to the external source Gerantz.com.

Content Size

883.3 kB

After Optimization

801.9 kB

In fact, the total size of Diagnostyka-samochodowa.pl main page is 883.3 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. 35% of websites need less resources to load. Images take 740.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 42.3 kB

Original 47.5 kB
After minification 43.0 kB
After compression 5.2 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 42.3 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 37.7 kB

Original 740.1 kB
After minification 702.4 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. Diagnostyka Samochodowa images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 775 B

Original 64.2 kB
After minification 64.2 kB
After compression 63.4 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

-2%

Potential reduce by 690 B

Original 31.6 kB
After minification 31.6 kB
After compression 30.9 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. Diagnostyka-samochodowa.pl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diagnostyka Samochodowa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 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

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.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

PL
Language Claimed

PL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diagnostyka-samochodowa.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Diagnostyka-samochodowa.pl 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

diagnostyka-samochodowa.pl

Open Graph description is not detected on the main page of Diagnostyka Samochodowa. 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

GERANTZ Technik

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

diagnostyka-samochodowa.pl

gerantz.com

gerantz.com

jquery-2.1.1.min.js

bootstrap.min.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

diagnostyka-samochodowa.pl

gerantz.com

gerantz.com

jquery-2.1.1.min.js

bootstrap.min.css

bootstrap.min.js

font-awesome.min.css

css

stylesheet.css

swiper.min.css

opencart.css

cookie_consent.min.css

swiper.jquery.min.js

common.js

moje_product.css

cookie_consent.min.js

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