Tools & Wizards About Us
blackshoes.com.br screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

blackshoes.com.br

Arzun

Page Load Speed

5 sec in total

First Response

305 ms

Resources Loaded

3.3 sec

Page Rendered

1.3 sec

blackshoes.com.br screenshot

About Website

Visit blackshoes.com.br now to see the best up-to-date Blackshoes content and also check out these interesting facts you probably never knew about blackshoes.com.br

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Visit blackshoes.com.br

Key Findings

We analyzed Blackshoes.com.br page load time and found that the first response time was 305 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

blackshoes.com.br performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value3,440 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.119

1/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

www.arzun.com.br

305 ms

js

64 ms

cart_preview.min.css

338 ms

bootstrap-modal.min.css

336 ms

suggestion.min.css

335 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blackshoes.com.br, 5% (6 requests) were made to Arzun.com.br and 3% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Images.tcdn.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 646.3 kB (12%)

Content Size

5.4 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackshoes.com.br main page is 5.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 327.3 kB

  • Original 376.4 kB
  • After minification 357.3 kB
  • After compression 49.1 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 327.3 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 114.3 kB

  • Original 4.5 MB
  • After minification 4.3 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. Blackshoes images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 45.3 kB

  • Original 351.3 kB
  • After minification 351.3 kB
  • After compression 306.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 45.3 kB or 13% of the original size.

CSS Optimization

-70%

Potential reduce by 159.4 kB

  • Original 226.2 kB
  • After minification 226.2 kB
  • After compression 66.8 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. Blackshoes.com.br needs all CSS files to be minified and compressed as it can save up to 159.4 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (45%)

Requests Now

109

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackshoes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.arzun.com.br

www.arzun.com.br

305 ms

js

js

64 ms

cart_preview.min.css

cart_preview.min.css

338 ms

bootstrap-modal.min.css

bootstrap-modal.min.css

336 ms

suggestion.min.css

suggestion.min.css

335 ms

bootstrap.min.css

bootstrap.min.css

340 ms

photoswipe-core.css

photoswipe-core.css

337 ms

photoswipe-default-skin.css

photoswipe-default-skin.css

346 ms

theme.min.css

theme.min.css

411 ms

custom.css

custom.css

16 ms

style.css

style.css

408 ms

style-media-screen.css

style-media-screen.css

407 ms

searchHidden.css

searchHidden.css

419 ms

pva2iqo.css

pva2iqo.css

157 ms

css2

css2

38 ms

modal.css

modal.css

419 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

420 ms

simplebar.min.css

simplebar.min.css

478 ms

lead.js

lead.js

260 ms

js

js

124 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

608 ms

pag-lazy.js

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608 ms

ga4.js

ga4.js

608 ms

autocomplete.min.js

autocomplete.min.js

609 ms

facebook-conversion.js

facebook-conversion.js

657 ms

tray_ssc.min.js

tray_ssc.min.js

116 ms

mastertag.js

mastertag.js

329 ms

push.js

push.js

135 ms

jquery-migrate-3.3.2.min.js

jquery-migrate-3.3.2.min.js

656 ms

bootstrap-3.4.1.min.js

bootstrap-3.4.1.min.js

657 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

655 ms

application-2.0.min.js

application-2.0.min.js

654 ms

init.js

init.js

654 ms

pageview.min.js

pageview.min.js

849 ms

bootstrap-native.min.js

bootstrap-native.min.js

762 ms

slick.min.js

slick.min.js

761 ms

photoswipe-core.js

photoswipe-core.js

762 ms

photoswipe-ui.js

photoswipe-ui.js

849 ms

photoswipe-init.js

photoswipe-init.js

848 ms

simplebar.min.js

simplebar.min.js

855 ms

lazyload.min.js

lazyload.min.js

855 ms

theme.min.js

theme.min.js

868 ms

main.js

main.js

971 ms

searchHidden.js

searchHidden.js

969 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

974 ms

p.css

p.css

36 ms

ga.js

ga.js

182 ms

updateGTM.js

updateGTM.js

286 ms

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loading.svg

195 ms

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505 ms

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627 ms

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628 ms

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647 ms

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657 ms

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718 ms

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911 ms

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682 ms

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751 ms

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796 ms

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804 ms

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904 ms

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864 ms

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817 ms

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864 ms

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1100 ms

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1326 ms

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153 ms

d

d

107 ms

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204 ms

d

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136 ms

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202 ms

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919 ms

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937 ms

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1235 ms

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887 ms

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1204 ms

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1217 ms

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1144 ms

app.php

app.php

230 ms

__utm.gif

__utm.gif

109 ms

allminer.js

allminer.js

224 ms

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1091 ms

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1108 ms

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1216 ms

js

js

84 ms

analytics.js

analytics.js

49 ms

collect

collect

121 ms

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1170 ms

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1397 ms

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1284 ms

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257 ms

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1260 ms

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collect

49 ms

ga-audiences

ga-audiences

182 ms

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1183 ms

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175 ms

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1193 ms

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1274 ms

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1541 ms

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1323 ms

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1135 ms

Accessibility Review

blackshoes.com.br accessibility score

70

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

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

blackshoes.com.br best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

blackshoes.com.br SEO score

91

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

    PT

  • Language Claimed

    PT

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackshoes.com.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Blackshoes.com.br main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

blackshoes.com.br

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