Tools & Wizards About Us
denlys.com screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

denlys.com

Collectible Currency, Collectible Paper Money, U.S. Paper Money - Denlys of Boston

Page Load Speed

1.4 sec in total

First Response

587 ms

Resources Loaded

745 ms

Page Rendered

100 ms

denlys.com screenshot

About Website

Visit denlys.com now to see the best up-to-date Denlys content and also check out these interesting facts you probably never knew about denlys.com

We offer services in Coin & Stamp Dealers & Supplies. We specialize in National Banknotes, Large Size Type Notes, Obsolete Banknotes, Fractional Banknotes, M.P.C.'s, Small Size Notes in Nationwide. We...

Visit denlys.com

Key Findings

We analyzed Denlys.com page load time and found that the first response time was 587 ms and then it took 845 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

denlys.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

denlys.com

587 ms

style.css

21 ms

jquery.js

22 ms

jquery.colorbox-min.js

35 ms

colorbox.css

34 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 97% of them (30 requests) were addressed to the original Denlys.com, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (587 ms) belongs to the original domain Denlys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.2 kB (33%)

Content Size

91.5 kB

After Optimization

61.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denlys.com main page is 91.5 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. 25% of websites need less resources to load. Javascripts take 54.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.4 kB

  • Original 11.5 kB
  • After minification 9.9 kB
  • After compression 3.0 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. This page needs HTML code to be minified as it can gain 1.6 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.4 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 111 B

  • Original 23.9 kB
  • After minification 23.8 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. Denlys images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 21.1 kB

  • Original 54.3 kB
  • After minification 54.3 kB
  • After compression 33.2 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 21.1 kB or 39% of the original size.

CSS Optimization

-29%

Potential reduce by 548 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.3 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. Denlys.com needs all CSS files to be minified and compressed as it can save up to 548 B or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (37%)

Requests Now

30

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denlys. 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

denlys.com

denlys.com

587 ms

style.css

style.css

21 ms

jquery.js

jquery.js

22 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

35 ms

colorbox.css

colorbox.css

34 ms

topnav_topbar.gif

topnav_topbar.gif

22 ms

topnav_logo.gif

topnav_logo.gif

18 ms

topnav_buttons.gif

topnav_buttons.gif

25 ms

topnav_endbar.gif

topnav_endbar.gif

27 ms

topnav_mainimage.gif

topnav_mainimage.gif

32 ms

header_aboutdenlys.gif

header_aboutdenlys.gif

23 ms

side_featuredtop.gif

side_featuredtop.gif

41 ms

spacer.gif

spacer.gif

39 ms

subhead_introduction.gif

subhead_introduction.gif

41 ms

butn_ourpeople.gif

butn_ourpeople.gif

45 ms

butn_history.gif

butn_history.gif

42 ms

updated.jpg

updated.jpg

50 ms

butn_shows.gif

butn_shows.gif

57 ms

body_homefishing.jpg

body_homefishing.jpg

59 ms

body_homelocation.gif

body_homelocation.gif

58 ms

notesadded.jpg

notesadded.jpg

60 ms

side_featuredbottom.gif

side_featuredbottom.gif

61 ms

footer_leftspacer.gif

footer_leftspacer.gif

72 ms

footer_sitemap.gif

footer_sitemap.gif

73 ms

footer_searchdatabase.gif

footer_searchdatabase.gif

74 ms

footer_disclaimer.gif

footer_disclaimer.gif

75 ms

footer_returns.gif

footer_returns.gif

79 ms

footer_contactus.gif

footer_contactus.gif

78 ms

footer_privacy.gif

footer_privacy.gif

89 ms

overlay.png

overlay.png

90 ms

main.js

main.js

79 ms

Accessibility Review

denlys.com accessibility score

58

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

denlys.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

denlys.com 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

    N/A

  • Encoding

    ISO-8859-1

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

denlys.com

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