Access numismaster.com. NumisMaster | Collector coin and paper money data and values and numismatic news since 1952.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,800 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

numismaster.com

194 ms

numis.jsp

93 ms

common.js

218 ms

admin_page.js

174 ms

numis.js

92 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 70% of them (76 requests) were addressed to the original Numismaster.com, 11% (12 requests) were made to Ox-d.fwmedia.com and 7% (8 requests) were made to Ox-i.fwmedia.com. The less responsive or slowest element that took the longest time to load (723 ms) belongs to the original domain Numismaster.com.

Content Size

749.2 kB

After Optimization

506.7 kB

In fact, the total size of Numismaster.com main page is 749.2 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 355.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.6 kB

Original 55.1 kB
After minification 54.4 kB
After compression 11.4 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 43.6 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 7.2 kB

Original 355.9 kB
After minification 348.7 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. Numis Master images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 171.2 kB

Original 313.3 kB
After minification 285.9 kB
After compression 142.0 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 171.2 kB or 55% of the original size.

CSS Optimization

-82%

Potential reduce by 20.5 kB

Original 25.0 kB
After minification 19.3 kB
After compression 4.5 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. Numismaster.com needs all CSS files to be minified and compressed as it can save up to 20.5 kB or 82% of the original size.

Requests Now

106

After Optimization

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numis Master. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Numismaster.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Numismaster.com main page’s claimed encoding is . 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

numismaster.com

Open Graph description is not detected on the main page of Numis Master. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

NumisMaster | Collector coin and paper money data and values and numismatic news since 1952.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

numismaster.com

numis.jsp

common.js

admin_page.js

numis.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

numismaster.com

numis.jsp

common.js

admin_page.js

numis.js

dhtml.js

menu_bar.css

numis_admin.css

jstag

mkt32Validate.js

ga.js

1

sync

i.js

__utm.gif

collect

acj

bkg_gd-wht_gld.gif

px.gif

des_numis-logo.gif

Loading.gif

PlayButtonSmall.gif

QuestionMarkSmall.gif

PageError.gif

PageWarning.gif

PageMessage.gif

PageInform.gif

left_box_home.gif

left_box_register.gif

left_box_login.gif

left_box_newsletter.gif

left_box_col_info.gif

left_box_in_print.gif

left_box_site_map.gif

HEROnum_01.gif

HEROnum_02.gif

HEROnum_03.gif

tag_id_news_blu_lt.gif

ArtAvatar28216.jpg

ArtAvatar28215.jpg

ArtAvatar28214.jpg

ArtAvatar28213.jpg

tag_id_featcoin_blu_lt.gif