Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

martinus.sk

Martinus - Najväčšie internetové kníhkupectvo | Martinus

Page Load Speed

3 sec in total

First Response

776 ms

Resources Loaded

1.7 sec

Page Rendered

497 ms

About Website

Click here to check amazing Martinus content for Slovakia. Otherwise, check out these important facts you probably never knew about martinus.sk

Milujeme knihy rovnako ako vy. Viac ako 300 000 titulov zo všetkých oblastí, rýchla expedícia, ľudský zákaznícky servis, výhodné ceny a vždy bezpečný nákup.

Visit martinus.sk

Key Findings

We analyzed Martinus.sk page load time and found that the first response time was 776 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

martinus.sk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value2,770 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

www.martinus.sk

776 ms

martinus.async.js

46 ms

uc.js

43 ms

style.css

59 ms

modernizr.js

89 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Martinus.sk, 42% (14 requests) were made to Mrtns.sk and 18% (6 requests) were made to Rs4.martinus.sk. The less responsive or slowest element that took the longest time to load (776 ms) belongs to the original domain Martinus.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.8 kB (31%)

Content Size

709.4 kB

After Optimization

486.6 kB

In fact, the total size of Martinus.sk main page is 709.4 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. 60% of websites need less resources to load. Javascripts take 304.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 134.8 kB

  • Original 167.1 kB
  • After minification 148.4 kB
  • After compression 32.3 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. This page needs HTML code to be minified as it can gain 18.7 kB, which is 11% 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 134.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 199.2 kB
  • After minification 199.2 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. Martinus images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 88.0 kB

  • Original 304.6 kB
  • After minification 304.6 kB
  • After compression 216.6 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 88.0 kB or 29% of the original size.

CSS Optimization

-0%

Potential reduce by 12 B

  • Original 38.4 kB
  • After minification 38.4 kB
  • After compression 38.4 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. Martinus.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Martinus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

martinus.sk accessibility score

87

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-*] attributes do not match their roles

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

martinus.sk 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

martinus.sk SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Martinus.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Martinus.sk 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 Martinus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: