Tools & Wizards About Us
auto-isr.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

auto-isr.cz

Domovská stránka

Page Load Speed

6.6 sec in total

First Response

385 ms

Resources Loaded

4.1 sec

Page Rendered

2.1 sec

auto-isr.cz screenshot

About Website

Welcome to auto-isr.cz homepage info - get ready to check Auto Isr best content for Czech Republic right away, or after learning these important things about auto-isr.cz

Visit auto-isr.cz

Key Findings

We analyzed Auto-isr.cz page load time and found that the first response time was 385 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

auto-isr.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

auto-isr.cz

385 ms

auto-isr.cz

391 ms

www.auto-isr.cz

708 ms

gtm.js

67 ms

frontend.css

348 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 64% of them (60 requests) were addressed to the original Auto-isr.cz, 17% (16 requests) were made to Embedsocial.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Auto-isr.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (16%)

Content Size

16.9 MB

After Optimization

14.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Auto-isr.cz main page is 16.9 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 16.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.9 kB

  • Original 56.0 kB
  • After minification 40.1 kB
  • After compression 8.1 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 15.9 kB, which is 28% 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 47.9 kB or 86% of the original size.

Image Optimization

-16%

Potential reduce by 2.6 MB

  • Original 16.1 MB
  • After minification 13.5 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. Obviously, Auto Isr needs image optimization as it can save up to 2.6 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 83.3 kB

  • Original 657.4 kB
  • After minification 657.4 kB
  • After compression 574.1 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 83.3 kB or 13% of the original size.

CSS Optimization

-76%

Potential reduce by 59.9 kB

  • Original 78.6 kB
  • After minification 78.6 kB
  • After compression 18.8 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. Auto-isr.cz needs all CSS files to be minified and compressed as it can save up to 59.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (52%)

Requests Now

88

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auto Isr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

auto-isr.cz

auto-isr.cz

385 ms

auto-isr.cz

auto-isr.cz

391 ms

www.auto-isr.cz

www.auto-isr.cz

708 ms

gtm.js

gtm.js

67 ms

frontend.css

frontend.css

348 ms

runtime.js

runtime.js

354 ms

vendors-node_modules_core-js_internals_advance-string-index_js-node_modules_core-js_internals-ebb741.js

vendors-node_modules_core-js_internals_advance-string-index_js-node_modules_core-js_internals-ebb741.js

750 ms

vendors-node_modules_splidejs_splide_dist_js_splide_esm_js-node_modules_core-js_modules_es_ar-ce218d.js

vendors-node_modules_splidejs_splide_dist_js_splide_esm_js-node_modules_core-js_modules_es_ar-ce218d.js

645 ms

assets_common_popup_js-assets_common_watcher_js-assets_styles_normalize_css.js

assets_common_popup_js-assets_common_watcher_js-assets_styles_normalize_css.js

360 ms

frontend.js

frontend.js

549 ms

logo.svg

logo.svg

486 ms

categories.jpg

categories.jpg

601 ms

services.jpg

services.jpg

550 ms

about.jpg

about.jpg

587 ms

contact.jpg

contact.jpg

649 ms

instagram.svg

instagram.svg

654 ms

facebook.svg

facebook.svg

711 ms

youtube.svg

youtube.svg

712 ms

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934 ms

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2619 ms

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1032 ms

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884 ms

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1176 ms

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onehub-id-software-updates-id-software-updates-st-16-9-jpg-6480fe4b02cf9.jpg

1220 ms

front-dl-663a3d93ded92.png

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986 ms

embed.js

embed.js

139 ms

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1689 ms

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1087 ms

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1132 ms

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1278 ms

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1232 ms

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1274 ms

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1316 ms

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1766 ms

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1376 ms

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1658 ms

1920x900-audi-r8-coupe-v10-performance-rwd-driving-r8-2021-3004-oe-6480ff53cf94b.jpg

1920x900-audi-r8-coupe-v10-performance-rwd-driving-r8-2021-3004-oe-6480ff53cf94b.jpg

1418 ms

Pickup-644645fbd6783.svg

Pickup-644645fbd6783.svg

1478 ms

Auto-644645f43cd9c.svg

Auto-644645f43cd9c.svg

1522 ms

Po-nehodach-644646024e1ec.svg

Po-nehodach-644646024e1ec.svg

1581 ms

Zalohova-6446461d977bd.svg

Zalohova-6446461d977bd.svg

1625 ms

js

js

114 ms

analytics.js

analytics.js

22 ms

fbevents.js

fbevents.js

68 ms

collect

collect

138 ms

collect

collect

32 ms

css2

css2

40 ms

Schvaleno-6446460a0cfda.svg

Schvaleno-6446460a0cfda.svg

1339 ms

Vceten-slkuzeb-644646151450a.svg

Vceten-slkuzeb-644646151450a.svg

1384 ms

icon-1-643a0e273f0fc.svg

icon-1-643a0e273f0fc.svg

1413 ms

ga-audiences

ga-audiences

52 ms

ht.js

ht.js

109 ms

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-W_8XJnvUD7dzB2Ck_k4bQ.woff

27 ms

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41 ms

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53 ms

icon-2-643a103e3a2ac.svg

icon-2-643a103e3a2ac.svg

1304 ms

iframe.js

iframe.js

4 ms

iframe-lightbox.min.css

iframe-lightbox.min.css

9 ms

universal-popup.js

universal-popup.js

10 ms

universal-popup.css

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10 ms

164 ms

icon-3-643a104189587.svg

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1251 ms

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1290 ms

image.jpg

image.jpg

1291 ms

icon-1.svg

icon-1.svg

1278 ms

icon-2.svg

icon-2.svg

1253 ms

icon-3.svg

icon-3.svg

1251 ms

js

js

35 ms

widgetviewlive.e2c9e511.css

widgetviewlive.e2c9e511.css

5 ms

icon-4.svg

icon-4.svg

1287 ms

runtime.9de7294e.js

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6 ms

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420 ms

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5 ms

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8 ms

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10 ms

iframeContent.min.js

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8 ms

background.jpg

background.jpg

1830 ms

js

js

42 ms

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placeholder-644e33c595196.jpg

1339 ms

collect

collect

13 ms

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1437 ms

collect

collect

11 ms

ga-audiences

ga-audiences

64 ms

retargeting.js

retargeting.js

687 ms

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1677 ms

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1299 ms

background.jpg

background.jpg

1189 ms

map.jpg

map.jpg

1245 ms

icon-burger.svg

icon-burger.svg

1200 ms

arrow-right.svg

arrow-right.svg

1202 ms

phone.svg

phone.svg

1203 ms

Accessibility Review

auto-isr.cz accessibility score

88

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

auto-isr.cz 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

High

Page has valid source maps

SEO Factors

auto-isr.cz SEO score

77

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

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Auto-isr.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Auto-isr.cz 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

auto-isr.cz

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