Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

tenaoil.cz

Specialista na nářadí, chemii a ochranné pomůcky l Král dílny

Page Load Speed

23.6 sec in total

First Response

384 ms

Resources Loaded

22.3 sec

Page Rendered

849 ms

About Website

Welcome to tenaoil.cz homepage info - get ready to check Te Na Oil best content for Czech Republic right away, or after learning these important things about tenaoil.cz

Český obchod s širokým sortimentem nářadí, průmyslové chemie a pracovního oblečení. Čekají zde na Vás skvělé ceny a dárky zdarma!

Visit tenaoil.cz

Key Findings

We analyzed Tenaoil.cz page load time and found that the first response time was 384 ms and then it took 23.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tenaoil.cz performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value20.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

tenaoil.cz

384 ms

www.kraldilny.cz

959 ms

source-sans-3.css

432 ms

exo-2.css

433 ms

font-shoptet-11.css.98dac764b411554385c4.css

434 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tenaoil.cz, 29% (32 requests) were made to Cdn.myshoptet.com and 9% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Shoptetak.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 314.8 kB (29%)

Content Size

1.1 MB

After Optimization

784.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tenaoil.cz main page is 1.1 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. 70% of websites need less resources to load. Images take 418.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 294.4 kB

  • Original 343.2 kB
  • After minification 253.9 kB
  • After compression 48.8 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 89.4 kB, which is 26% 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 294.4 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 14.5 kB

  • Original 418.2 kB
  • After minification 403.7 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. Te Na Oil images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 5.9 kB

  • Original 335.0 kB
  • After minification 335.0 kB
  • After compression 329.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 10 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 2.6 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. Tenaoil.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 64 (64%)

Requests Now

100

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Te Na Oil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tenaoil.cz accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

tenaoil.cz best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tenaoil.cz SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

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

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