Tools & Wizards About Us
us-coins.pl screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

us-coins.pl

AN Gulden Gdańsk: Sprzedaż, Skup, Komis. Monety, banknoty, medale

Page Load Speed

3.5 sec in total

First Response

345 ms

Resources Loaded

3 sec

Page Rendered

119 ms

us-coins.pl screenshot

About Website

Click here to check amazing Us Coins content. Otherwise, check out these important facts you probably never knew about us-coins.pl

Antykwariat Numizmatyczny Gulden Gdańsk. Monety złote, srebrne, obiegowe, banknoty, medale, odznaczenia. Sprzedaż, skup, komis

Visit us-coins.pl

Key Findings

We analyzed Us-coins.pl page load time and found that the first response time was 345 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

us-coins.pl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

us-coins.pl

345 ms

us-coins.pl

576 ms

jquery.fancybox.css

110 ms

main.css

338 ms

stylesheet.css

321 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 65% of them (47 requests) were addressed to the original Us-coins.pl, 11% (8 requests) were made to Tpc.googlesyndication.com and 8% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (747 ms) belongs to the original domain Us-coins.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.8 kB (6%)

Content Size

985.6 kB

After Optimization

926.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Us-coins.pl main page is 985.6 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. 45% of websites need less resources to load. Images take 498.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.4 kB

  • Original 29.8 kB
  • After minification 29.0 kB
  • After compression 7.4 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 22.4 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 19.7 kB

  • Original 498.5 kB
  • After minification 478.7 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. Us Coins images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 408.6 kB
  • After minification 408.6 kB
  • After compression 407.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-31%

Potential reduce by 15.2 kB

  • Original 48.7 kB
  • After minification 48.7 kB
  • After compression 33.5 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. Us-coins.pl needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (79%)

Requests Now

67

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Us Coins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

us-coins.pl

us-coins.pl

345 ms

us-coins.pl

us-coins.pl

576 ms

jquery.fancybox.css

jquery.fancybox.css

110 ms

main.css

main.css

338 ms

stylesheet.css

stylesheet.css

321 ms

library.php

library.php

635 ms

nivo-slider.css

nivo-slider.css

346 ms

adsbygoogle.js

adsbygoogle.js

105 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

345 ms

fontawesome.css

fontawesome.css

349 ms

ptak_hurt.css

ptak_hurt.css

426 ms

message0.css

message0.css

445 ms

login_panel.css

login_panel.css

470 ms

login_panel.js

login_panel.js

453 ms

1355403559_granat_czarny.jpg

1355403559_granat_czarny.jpg

216 ms

menu_tlo.png

menu_tlo.png

111 ms

szukaj.png

szukaj.png

106 ms

uscoinspl_1_baner.jpg

uscoinspl_1_baner.jpg

339 ms

loading.gif

loading.gif

106 ms

uscoinspl_1.1_baner.jpg

uscoinspl_1.1_baner.jpg

340 ms

uscoinspl_1.2_baner.jpg

uscoinspl_1.2_baner.jpg

420 ms

5_rubles_mikolaj_ii_2.png

5_rubles_mikolaj_ii_2.png

524 ms

aukcje%20uscoins-pl%20na%20allegro.jpg

aukcje%20uscoins-pl%20na%20allegro.jpg

356 ms

show_ads_impl.js

show_ads_impl.js

238 ms

box1.jpg

box1.jpg

307 ms

box2.jpg

box2.jpg

389 ms

box3.jpg

box3.jpg

407 ms

box4.jpg

box4.jpg

415 ms

box5.jpg

box5.jpg

419 ms

lista.png

lista.png

478 ms

box6.jpg

box6.jpg

499 ms

box7.jpg

box7.jpg

520 ms

box8.jpg

box8.jpg

523 ms

box9.jpg

box9.jpg

528 ms

box1.jpg

box1.jpg

582 ms

box2.jpg

box2.jpg

583 ms

box3.jpg

box3.jpg

608 ms

box4.jpg

box4.jpg

634 ms

box5.jpg

box5.jpg

630 ms

box6.jpg

box6.jpg

638 ms

box7.jpg

box7.jpg

689 ms

box8.jpg

box8.jpg

700 ms

box9.jpg

box9.jpg

716 ms

_standardowy.png

_standardowy.png

739 ms

stopka_tlo.png

stopka_tlo.png

747 ms

washcaresymbols.css

washcaresymbols.css

735 ms

zrt_lookup.html

zrt_lookup.html

28 ms

ads

ads

402 ms

reactive_library.js

reactive_library.js

147 ms

ca-pub-5873246415647412

ca-pub-5873246415647412

63 ms

opensans.css

opensans.css

170 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

397 ms

load_preloaded_resource.js

load_preloaded_resource.js

46 ms

icon.png

icon.png

22 ms

abg_lite.js

abg_lite.js

231 ms

s

s

22 ms

window_focus.js

window_focus.js

230 ms

qs_click_protection.js

qs_click_protection.js

45 ms

ufs_web_display.js

ufs_web_display.js

42 ms

cd4a99796a94d0c9d381e4cfe43efd64.js

cd4a99796a94d0c9d381e4cfe43efd64.js

229 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

244 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

248 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

234 ms

5576997747900315397

5576997747900315397

235 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

235 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

235 ms

zamknij.png

zamknij.png

216 ms

css

css

163 ms

activeview

activeview

176 ms

XKVjlGMZ-9Co2xOMMN0j_EFrFyX9juKw-kmGvwQcBeY.js

XKVjlGMZ-9Co2xOMMN0j_EFrFyX9juKw-kmGvwQcBeY.js

28 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

138 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

138 ms

Accessibility Review

us-coins.pl accessibility score

61

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

Form elements do not have associated labels

Best Practices

us-coins.pl best practices score

75

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

Page has valid source maps

SEO Factors

us-coins.pl SEO score

62

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

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

    N/A

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us-coins.pl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Polish. Our system also found out that Us-coins.pl 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

us-coins.pl

Open Graph description is not detected on the main page of Us Coins. 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: