Tools & Wizards About Us

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lepidoptera.sk

Úvod | Motýle Slovenskej republiky

Page Load Speed

2.7 sec in total

First Response

561 ms

Resources Loaded

1.7 sec

Page Rendered

408 ms

About Website

Visit lepidoptera.sk now to see the best up-to-date Lepidoptera content and also check out these interesting facts you probably never knew about lepidoptera.sk

Úvod

Visit lepidoptera.sk

Key Findings

We analyzed Lepidoptera.sk page load time and found that the first response time was 561 ms and then it took 2.1 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

lepidoptera.sk performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

lepidoptera.sk

561 ms

css_7b09dfcd6ffb9af05ab97338e21a94b4.css

132 ms

js_ad8189cb9ce36fe2281327df0b3281de.js

361 ms

zadok.jpg

182 ms

stred.jpg

404 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Lepidoptera.sk, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (749 ms) belongs to the original domain Lepidoptera.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.9 kB (39%)

Content Size

322.1 kB

After Optimization

196.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lepidoptera.sk main page is 322.1 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. 25% of websites need less resources to load. Images take 153.4 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 16.2 kB

  • Original 25.3 kB
  • After minification 23.9 kB
  • After compression 9.1 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. 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 16.2 kB or 64% of the original size.

Image Optimization

-11%

Potential reduce by 16.2 kB

  • Original 153.4 kB
  • After minification 137.2 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. Obviously, Lepidoptera needs image optimization as it can save up to 16.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 66.2 kB

  • Original 108.1 kB
  • After minification 85.1 kB
  • After compression 41.9 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 66.2 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 27.3 kB

  • Original 35.2 kB
  • After minification 34.3 kB
  • After compression 7.9 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. Lepidoptera.sk needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lepidoptera. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

lepidoptera.sk accessibility score

74

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lepidoptera.sk best practices score

58

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

SEO Factors

lepidoptera.sk SEO score

69

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

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 Lepidoptera.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 Lepidoptera.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 description is not detected on the main page of Lepidoptera. 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: