Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sedwickcoins.com

Shipwreck Coins and Artifacts of all Nations - Spanish Colonial & Latin American Coins by Daniel Frank Sedwick, LLC

Page Load Speed

821 ms in total

First Response

102 ms

Resources Loaded

475 ms

Page Rendered

244 ms

sedwickcoins.com screenshot

About Website

Visit sedwickcoins.com now to see the best up-to-date Sedwick Coins content for Costa Rica and also check out these interesting facts you probably never knew about sedwickcoins.com

Professional numismatists specialist in Spanish Colonial and Latin American Coinage, Shipwreck Coins and Artifacts of all Nations. Professional Auctioneers.

Visit sedwickcoins.com

Key Findings

We analyzed Sedwickcoins.com page load time and found that the first response time was 102 ms and then it took 719 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

sedwickcoins.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

sedwickcoins.com

102 ms

back.css

31 ms

124.jpg

325 ms

sedwickfondo2.jpg

107 ms

sedwick_front2_01.jpg

161 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that all of those requests were addressed to Sedwickcoins.com and no external sources were called. The less responsive or slowest element that took the longest time to load (325 ms) belongs to the original domain Sedwickcoins.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.0 kB (6%)

Content Size

561.4 kB

After Optimization

526.4 kB

In fact, the total size of Sedwickcoins.com main page is 561.4 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 544.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 13.1 kB

  • Original 16.6 kB
  • After minification 16.6 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. 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 13.1 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 21.8 kB

  • Original 544.5 kB
  • After minification 522.7 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. Sedwick Coins images are well optimized though.

CSS Optimization

-58%

Potential reduce by 154 B

  • Original 266 B
  • After minification 144 B
  • After compression 112 B

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. Sedwickcoins.com needs all CSS files to be minified and compressed as it can save up to 154 B or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (23%)

Requests Now

52

After Optimization

40

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sedwick Coins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

sedwickcoins.com accessibility score

66

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

sedwickcoins.com 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

SEO Factors

sedwickcoins.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sedwickcoins.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 Sedwickcoins.com 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

Open Graph description is not detected on the main page of Sedwick 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: