Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

davidrsear.com

David R Sear, Numismatist. - Ancient Coins, Numismatics, Greek Coins, Roman Coins, Classical Coins

Page Load Speed

1.8 sec in total

First Response

166 ms

Resources Loaded

1.5 sec

Page Rendered

85 ms

About Website

Welcome to davidrsear.com homepage info - get ready to check David R Sear best content right away, or after learning these important things about davidrsear.com

David R Sear: A site dedicated to ancient numismatics - Greek, Roman and Byzantine coinage. Browse through books on ancient coins, read about the Ancient Coin Certification Service, purchase featured ...

Visit davidrsear.com

Key Findings

We analyzed Davidrsear.com page load time and found that the first response time was 166 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

davidrsear.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

davidrsear.com

166 ms

davidrsear.com

256 ms

home.js

421 ms

hpic_book_dim.gif

195 ms

hpic_book_lit.gif

340 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Davidrsear.com and no external sources were called. The less responsive or slowest element that took the longest time to load (693 ms) belongs to the original domain Davidrsear.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.3 kB (51%)

Content Size

14.4 kB

After Optimization

7.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Davidrsear.com main page is 14.4 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. Only 10% of websites need less resources to load. HTML takes 10.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.1 kB

  • Original 10.0 kB
  • After minification 9.6 kB
  • After compression 2.9 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 7.1 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.8 kB
  • After minification 3.8 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. David R Sear images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 147 B

  • Original 576 B
  • After minification 576 B
  • After compression 429 B

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 147 B or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (29%)

Requests Now

28

After Optimization

20

  • Images
  • JavaScript

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of David R Sear. 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.

Network Requests Diagram

Accessibility Review

davidrsear.com accessibility score

93

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

Best Practices

davidrsear.com best practices score

67

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

SEO Factors

davidrsear.com SEO score

75

Search Engine Optimization Advices

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 Davidrsear.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 Davidrsear.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 David R Sear. 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: