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petra-aqua.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

petra-aqua.com

Petra - Aqua

Page Load Speed

2.9 sec in total

First Response

256 ms

Resources Loaded

2.5 sec

Page Rendered

172 ms

petra-aqua.com screenshot

About Website

Welcome to petra-aqua.com homepage info - get ready to check Petra Aqua best content for Czech Republic right away, or after learning these important things about petra-aqua.com

Velkoobchod se sladkovodními tropickými a studenovodními akvaijními rybami, s mořskými rybami, terarijními živočichy a veškerým příslušenstvím od krmiv až po techniku. Dodavatel pro kamenné zverimexy ...

Visit petra-aqua.com

Key Findings

We analyzed Petra-aqua.com page load time and found that the first response time was 256 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

petra-aqua.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

petra-aqua.com

256 ms

532 ms

bootstrap.min.css

501 ms

colorbox.css

411 ms

style.css

517 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 88% of them (22 requests) were addressed to the original Petra-aqua.com, 8% (2 requests) were made to Ssl.google-analytics.com and 4% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (788 ms) belongs to the original domain Petra-aqua.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.2 kB (28%)

Content Size

924.5 kB

After Optimization

662.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Petra-aqua.com main page is 924.5 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. 20% of websites need less resources to load. Images take 501.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 19.1 kB

  • Original 22.8 kB
  • After minification 15.0 kB
  • After compression 3.6 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 7.7 kB, which is 34% 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 19.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 13.3 kB

  • Original 501.8 kB
  • After minification 488.5 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. Petra Aqua images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 109.5 kB

  • Original 254.3 kB
  • After minification 252.5 kB
  • After compression 144.8 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 109.5 kB or 43% of the original size.

CSS Optimization

-83%

Potential reduce by 120.2 kB

  • Original 145.6 kB
  • After minification 144.4 kB
  • After compression 25.4 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. Petra-aqua.com needs all CSS files to be minified and compressed as it can save up to 120.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petra Aqua. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

petra-aqua.com

petra-aqua.com

256 ms

532 ms

bootstrap.min.css

bootstrap.min.css

501 ms

colorbox.css

colorbox.css

411 ms

style.css

style.css

517 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

639 ms

bootstrap.min.js

bootstrap.min.js

515 ms

js

js

71 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

456 ms

bootstrap-typeahead.min.js

bootstrap-typeahead.min.js

503 ms

script.js

script.js

521 ms

ga-set.js

ga-set.js

558 ms

petra-aqua-logo.png

petra-aqua-logo.png

174 ms

theme-neonky-2961.jpg

theme-neonky-2961.jpg

788 ms

thmb-k705-stiphodon-sp-undio-blue-3734.jpg

thmb-k705-stiphodon-sp-undio-blue-3734.jpg

200 ms

thmb-p120-3543.jpg

thmb-p120-3543.jpg

192 ms

thmb-p329-3557.jpg

thmb-p329-3557.jpg

346 ms

thmb-marine-aquaristic-praha-brevnov-2976.jpg

thmb-marine-aquaristic-praha-brevnov-2976.jpg

275 ms

petra-aqua-logo-small.png

petra-aqua-logo-small.png

294 ms

FenomenSans-Book.woff

FenomenSans-Book.woff

301 ms

FenomenSans-Bold.woff

FenomenSans-Bold.woff

311 ms

socicon.woff

socicon.woff

352 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

385 ms

ga.js

ga.js

17 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

petra-aqua.com accessibility score

95

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

Links do not have a discernible name

Best Practices

petra-aqua.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

petra-aqua.com SEO score

83

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

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petra-aqua.com can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Petra-aqua.com 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

petra-aqua.com

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