Tools & Wizards About Us
londoncoins.co.uk screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

londoncoins.co.uk

Buy and sell coins, banknotes, medals and bonds at auction. Investments and free valuations

Page Load Speed

6.4 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

497 ms

londoncoins.co.uk screenshot

About Website

Welcome to londoncoins.co.uk homepage info - get ready to check London Coins best content for United Kingdom right away, or after learning these important things about londoncoins.co.uk

Established international coin dealer buying and selling English and foreign coins, gold coins, Banknotes, Medals, Tokens, Bonds & Shares and other numismatic items. We offer coin investment plans and...

Visit londoncoins.co.uk

Key Findings

We analyzed Londoncoins.co.uk page load time and found that the first response time was 1.1 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

londoncoins.co.uk performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

londoncoins.co.uk

1085 ms

company_header.css

200 ms

index.css

200 ms

related_pages.css

197 ms

front_page.css

198 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 63% of them (78 requests) were addressed to the original Londoncoins.co.uk, 6% (7 requests) were made to Apis.google.com and 3% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Cdn.syndication.twimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 427.6 kB (25%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Londoncoins.co.uk main page is 1.7 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 136.6 kB

  • Original 166.5 kB
  • After minification 158.7 kB
  • After compression 29.9 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 136.6 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 186.0 kB

  • Original 1.4 MB
  • After minification 1.2 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. Obviously, London Coins needs image optimization as it can save up to 186.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 68.4 kB

  • Original 150.1 kB
  • After minification 140.5 kB
  • After compression 81.7 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 68.4 kB or 46% of the original size.

CSS Optimization

-83%

Potential reduce by 36.6 kB

  • Original 44.1 kB
  • After minification 28.0 kB
  • After compression 7.5 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. Londoncoins.co.uk needs all CSS files to be minified and compressed as it can save up to 36.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (39%)

Requests Now

121

After Optimization

74

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London 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 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

londoncoins.co.uk

londoncoins.co.uk

1085 ms

company_header.css

company_header.css

200 ms

index.css

index.css

200 ms

related_pages.css

related_pages.css

197 ms

front_page.css

front_page.css

198 ms

layout.css

layout.css

195 ms

top_menu.css

top_menu.css

275 ms

wwdi.css

wwdi.css

293 ms

jquery-ui.css

jquery-ui.css

22 ms

jquery.min.js

jquery.min.js

44 ms

jquery-ui.min.js

jquery-ui.min.js

60 ms

top_menu_ie.js

top_menu_ie.js

289 ms

catex13.js

catex13.js

334 ms

wwdi_rotation.js

wwdi_rotation.js

289 ms

front_block.css

front_block.css

334 ms

front_block_slides.css

front_block_slides.css

373 ms

page_index.css

page_index.css

384 ms

share.js

share.js

37 ms

in.js

in.js

7 ms

pinit.js

pinit.js

5 ms

dc.js

dc.js

31 ms

inpage_linkid.js

inpage_linkid.js

59 ms

all.js

all.js

46 ms

spreddit7.gif

spreddit7.gif

27 ms

pinit_fg_en_rect_gray_20.png

pinit_fg_en_rect_gray_20.png

25 ms

bluegradient.png

bluegradient.png

145 ms

rss_small.png

rss_small.png

214 ms

london_coins_logo.png

london_coins_logo.png

282 ms

white_and_gold_small.jpg

white_and_gold_small.jpg

136 ms

gold_centre.jpg

gold_centre.jpg

145 ms

blue_and_black.jpg

blue_and_black.jpg

137 ms

auction_cover_image.php

auction_cover_image.php

234 ms

CGS_small_background.jpg

CGS_small_background.jpg

413 ms

cgs_logo_cut.png

cgs_logo_cut.png

584 ms

white_and_gold.jpg

white_and_gold.jpg

233 ms

logo_glow.png

logo_glow.png

794 ms

auction_cover_image.php

auction_cover_image.php

427 ms

auction_cover_image.php

auction_cover_image.php

550 ms

img.php

img.php

389 ms

img.php

img.php

543 ms

img.php

img.php

546 ms

img.php

img.php

549 ms

img.php

img.php

700 ms

img.php

img.php

705 ms

img.php

img.php

707 ms

img.php

img.php

704 ms

img.php

img.php

708 ms

img.php

img.php

736 ms

img.php

img.php

767 ms

img.php

img.php

764 ms

img.php

img.php

766 ms

img.php

img.php

789 ms

img.php

img.php

832 ms

img.php

img.php

858 ms

img.php

img.php

875 ms

img.php

img.php

862 ms

img.php

img.php

892 ms

img.php

img.php

893 ms

img.php

img.php

933 ms

img.php

img.php

955 ms

widgets.js

widgets.js

50 ms

bntalogo.png

bntalogo.png

943 ms

__utm.gif

__utm.gif

25 ms

314 ms

xd_arbiter.php

xd_arbiter.php

86 ms

xd_arbiter.php

xd_arbiter.php

128 ms

iapn.png

iapn.png

840 ms

ana.png

ana.png

846 ms

ibns.png

ibns.png

848 ms

auction_on.jpg

auction_on.jpg

888 ms

platform.js

platform.js

163 ms

share_2.png

share_2.png

52 ms

secureAnonymousFramework

secureAnonymousFramework

91 ms

widgets.js

widgets.js

80 ms

timeline.1b43d11859b7663a2225b885f87704a5.js

timeline.1b43d11859b7663a2225b885f87704a5.js

85 ms

button.831500944bc3eb7ea5276ccdc3f71d2e.js

button.831500944bc3eb7ea5276ccdc3f71d2e.js

83 ms

events_widget.php

events_widget.php

872 ms

pinit_main.js

pinit_main.js

536 ms

mailing_list_on.jpg

mailing_list_on.jpg

912 ms

gold_on.jpg

gold_on.jpg

927 ms

184 ms

sprite_connect_v14.png

sprite_connect_v14.png

78 ms

stock_on.jpg

stock_on.jpg

803 ms

syndication

syndication

116 ms

337964654406029312

337964654406029312

3205 ms

tweet_button.6a78875565a912489e9aef879c881358.en.html

tweet_button.6a78875565a912489e9aef879c881358.en.html

39 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

32 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

59 ms

sharebutton

sharebutton

129 ms

share_button.php

share_button.php

171 ms

postmessageRelay

postmessageRelay

65 ms

slanted_cat.png

slanted_cat.png

950 ms

v_light_blue_and_white.jpg

v_light_blue_and_white.jpg

717 ms

badge_su.js

badge_su.js

193 ms

badges_su.css

badges_su.css

194 ms

slant_HQBC.png

slant_HQBC.png

1109 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

143 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

161 ms

rs=AGLTcCPhDrHY2vagSjsLFOxeufqSzVU3ow

rs=AGLTcCPhDrHY2vagSjsLFOxeufqSzVU3ow

21 ms

rs=AGLTcCMZ24_D1Vs5av1qyzS_mFtO7rUbgg

rs=AGLTcCMZ24_D1Vs5av1qyzS_mFtO7rUbgg

59 ms

api.js

api.js

83 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

120 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

99 ms

wwdi_logo_half.png

wwdi_logo_half.png

630 ms

bonds_small.png

bonds_small.png

760 ms

eng_banknotes_small.png

eng_banknotes_small.png

780 ms

world_banknotes_small.png

world_banknotes_small.png

792 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

73 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

139 ms

tokens_small.png

tokens_small.png

779 ms

badgeRect74x18.png

badgeRect74x18.png

95 ms

hammered_small.png

hammered_small.png

789 ms

eng_coins_small.png

eng_coins_small.png

809 ms

slabs_small.png

slabs_small.png

818 ms

world_coins_small.png

world_coins_small.png

745 ms

medals_small.png

medals_small.png

750 ms

misc_small.png

misc_small.png

811 ms

ancient_small.png

ancient_small.png

875 ms

eng_cased_small.png

eng_cased_small.png

905 ms

world_cased_small.png

world_cased_small.png

920 ms

eng_bulk_small.png

eng_bulk_small.png

828 ms

world_bulk_small.png

world_bulk_small.png

937 ms

eventsjs.js

eventsjs.js

563 ms

jot

jot

26 ms

Accessibility Review

londoncoins.co.uk accessibility score

81

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

londoncoins.co.uk 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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

londoncoins.co.uk SEO score

62

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Londoncoins.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Londoncoins.co.uk 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

londoncoins.co.uk

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