Tools & Wizards About Us
novakoil.cz screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

novakoil.cz

NovakOil.cz - Rozumíme olejům a mazivům do poslední molekuly

Page Load Speed

5.8 sec in total

First Response

515 ms

Resources Loaded

3.9 sec

Page Rendered

1.4 sec

novakoil.cz screenshot

About Website

Welcome to novakoil.cz homepage info - get ready to check Novak Oil best content right away, or after learning these important things about novakoil.cz

NovakOil je distributor motorových a průmyslových olejů a maziv značek TOTAL, MOL, ELF, MPM, GAT, SVITOL, MECLUBE a dalších. Rozumíme olejům a mazivům do poslední molekuly

Visit novakoil.cz

Key Findings

We analyzed Novakoil.cz page load time and found that the first response time was 515 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

novakoil.cz performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

novakoil.cz

515 ms

www.novakoil.cz

1492 ms

0.1753debc.css

97 ms

app.2691de47.css

195 ms

runtime.d94b3b43.js

292 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 84% of them (43 requests) were addressed to the original Novakoil.cz, 14% (7 requests) were made to Img.novakoil.cz and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Img.novakoil.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.1 kB (16%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Novakoil.cz main page is 1.8 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. 40% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 68.8 kB

  • Original 95.1 kB
  • After minification 86.9 kB
  • After compression 26.3 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 68.8 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 7.9 kB

  • Original 1.4 MB
  • After minification 1.4 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. Novak Oil images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 212.9 kB

  • Original 327.1 kB
  • After minification 327.1 kB
  • After compression 114.2 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 212.9 kB or 65% of the original size.

CSS Optimization

-2%

Potential reduce by 439 B

  • Original 21.1 kB
  • After minification 21.1 kB
  • After compression 20.6 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. Novakoil.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (29%)

Requests Now

45

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Novak 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

novakoil.cz

novakoil.cz

515 ms

www.novakoil.cz

www.novakoil.cz

1492 ms

0.1753debc.css

0.1753debc.css

97 ms

app.2691de47.css

app.2691de47.css

195 ms

runtime.d94b3b43.js

runtime.d94b3b43.js

292 ms

0.444600f2.js

0.444600f2.js

474 ms

app.275df842.js

app.275df842.js

395 ms

gtm.js

gtm.js

76 ms

12_54a900ed23f9c1c23598d608f5f3ab0e_large.jpg

12_54a900ed23f9c1c23598d608f5f3ab0e_large.jpg

1082 ms

logo.a75af325.svg

logo.a75af325.svg

108 ms

menu.10e22a58.svg

menu.10e22a58.svg

220 ms

separator.0ec82f97.svg

separator.0ec82f97.svg

154 ms

light-bulb.8068e49f.svg

light-bulb.8068e49f.svg

221 ms

arrow.bd255be2.svg

arrow.bd255be2.svg

248 ms

dial-pointer.7311e05d.svg

dial-pointer.7311e05d.svg

372 ms

dial.cc4b7bc8.svg

dial.cc4b7bc8.svg

372 ms

drop.9d2c8ea6.svg

drop.9d2c8ea6.svg

375 ms

loader.1d869076.svg

loader.1d869076.svg

373 ms

cag-total.1a255d33.png

cag-total.1a255d33.png

436 ms

cag-elf.d00bae12.png

cag-elf.d00bae12.png

376 ms

cag-mol.4f9f5268.png

cag-mol.4f9f5268.png

375 ms

cag-mpm.7337d5da.png

cag-mpm.7337d5da.png

481 ms

separator-2.87db936e.svg

separator-2.87db936e.svg

408 ms

arrow-3.26448ba3.svg

arrow-3.26448ba3.svg

419 ms

arrow-2.1421fbb1.svg

arrow-2.1421fbb1.svg

439 ms

logo-citroen.cd7eed0c.svg

logo-citroen.cd7eed0c.svg

455 ms

logo-mazda.19155ae1.svg

logo-mazda.19155ae1.svg

502 ms

logo-kia.a19b3530.svg

logo-kia.a19b3530.svg

518 ms

logo-claas.b6e9f47d.svg

logo-claas.b6e9f47d.svg

528 ms

logo-dacia.0c052486.svg

logo-dacia.0c052486.svg

533 ms

logo-daf.3825d5c2.svg

logo-daf.3825d5c2.svg

549 ms

logo-kawasaki.0d800aa9.svg

logo-kawasaki.0d800aa9.svg

575 ms

logo-peugeot.fb247bfe.svg

logo-peugeot.fb247bfe.svg

597 ms

logo-renault.5724f471.svg

logo-renault.5724f471.svg

617 ms

user.c8afd2ce.svg

user.c8afd2ce.svg

623 ms

email.136df8f6.svg

email.136df8f6.svg

627 ms

phone.d9952e04.svg

phone.d9952e04.svg

644 ms

write.930a8131.svg

write.930a8131.svg

669 ms

checkbox.80ca8e1f.svg

checkbox.80ca8e1f.svg

692 ms

logo-total.a7163cd6.svg

logo-total.a7163cd6.svg

718 ms

logo-tribodiagnostic.c38737cd.svg

logo-tribodiagnostic.c38737cd.svg

721 ms

11_a644ec0ed5adf80749f43d5200ffa106_large.jpg

11_a644ec0ed5adf80749f43d5200ffa106_large.jpg

1155 ms

31_93f2282e88aa80b33993cdf0a46bca5e_medium.jpg

31_93f2282e88aa80b33993cdf0a46bca5e_medium.jpg

1251 ms

30_313ccad5ab7bcca1f75734ae1b7ff7ea_medium.jpg

30_313ccad5ab7bcca1f75734ae1b7ff7ea_medium.jpg

1618 ms

32_255083b34fa5388554715bcaf7e10af4_medium.jpg

32_255083b34fa5388554715bcaf7e10af4_medium.jpg

1525 ms

59_20295b08d4726f9e6d990e001f803c53_medium.jpg

59_20295b08d4726f9e6d990e001f803c53_medium.jpg

1620 ms

8_80d0327320545343ee472d07b88f5dd9_medium.jpg

8_80d0327320545343ee472d07b88f5dd9_medium.jpg

1620 ms

Roboto-Regular.c5867568.woff

Roboto-Regular.c5867568.woff

814 ms

Roboto-Bold.d4b81101.woff

Roboto-Bold.d4b81101.woff

769 ms

Pano-Bold.b8b9d585.woff

Pano-Bold.b8b9d585.woff

755 ms

Pano-Regular.88ce7c06.woff

Pano-Regular.88ce7c06.woff

731 ms

Accessibility Review

novakoil.cz accessibility score

93

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

Image elements do not have [alt] attributes

Best Practices

novakoil.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

novakoil.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 Novakoil.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 Novakoil.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

novakoil.cz

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