Tools & Wizards About Us
silverdolphinbooks.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

silverdolphinbooks.com

Silver Dolphin Books | Bestselling Children's Books | Activity Books for Kids

Page Load Speed

4.1 sec in total

First Response

220 ms

Resources Loaded

3.8 sec

Page Rendered

106 ms

silverdolphinbooks.com screenshot

About Website

Welcome to silverdolphinbooks.com homepage info - get ready to check Silver Dolphin Books best content for United States right away, or after learning these important things about silverdolphinbooks.com

Silver Dolphin Books is an imprint of Printers Row Publishing Group which publishes award-winning activity books, book games, and more.

Visit silverdolphinbooks.com

Key Findings

We analyzed Silverdolphinbooks.com page load time and found that the first response time was 220 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

silverdolphinbooks.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value20.3 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

silverdolphinbooks.com

220 ms

CategoryInfo.aspx

3364 ms

sitemap.css

29 ms

style.css

31 ms

WebResource.axd

10 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 96% of them (54 requests) were addressed to the original Silverdolphinbooks.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Silverdolphinbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 601.7 kB (57%)

Content Size

1.1 MB

After Optimization

453.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Silverdolphinbooks.com main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 633.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 32.7 kB

  • Original 43.3 kB
  • After minification 39.0 kB
  • After compression 10.6 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 32.7 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 25.4 kB

  • Original 364.8 kB
  • After minification 339.4 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. Silver Dolphin Books images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 531.4 kB

  • Original 633.0 kB
  • After minification 427.5 kB
  • After compression 101.5 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 531.4 kB or 84% of the original size.

CSS Optimization

-84%

Potential reduce by 12.1 kB

  • Original 14.5 kB
  • After minification 9.7 kB
  • After compression 2.4 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. Silverdolphinbooks.com needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (48%)

Requests Now

54

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silver Dolphin Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

silverdolphinbooks.com

silverdolphinbooks.com

220 ms

CategoryInfo.aspx

CategoryInfo.aspx

3364 ms

sitemap.css

sitemap.css

29 ms

style.css

style.css

31 ms

WebResource.axd

WebResource.axd

10 ms

ScriptResource.axd

ScriptResource.axd

29 ms

ScriptResource.axd

ScriptResource.axd

45 ms

ScriptResource.axd

ScriptResource.axd

65 ms

ScriptResource.axd

ScriptResource.axd

42 ms

ScriptResource.axd

ScriptResource.axd

64 ms

ScriptResource.axd

ScriptResource.axd

63 ms

ScriptResource.axd

ScriptResource.axd

43 ms

ScriptResource.axd

ScriptResource.axd

71 ms

ScriptResource.axd

ScriptResource.axd

76 ms

ScriptResource.axd

ScriptResource.axd

72 ms

ScriptResource.axd

ScriptResource.axd

73 ms

WebResource.axd

WebResource.axd

79 ms

submit.gif

submit.gif

45 ms

silver-dolphin.png

silver-dolphin.png

74 ms

innovative-childrens-books.png

innovative-childrens-books.png

74 ms

submit.gif

submit.gif

73 ms

twitter.gif

twitter.gif

74 ms

facebook_small.jpg

facebook_small.jpg

74 ms

whats-new.gif

whats-new.gif

74 ms

browse-books.gif

browse-books.gif

80 ms

awards.gif

awards.gif

81 ms

spacer.gif

spacer.gif

74 ms

blog_off.jpg

blog_off.jpg

80 ms

safety.gif

safety.gif

81 ms

to-order.gif

to-order.gif

80 ms

about-us.gif

about-us.gif

98 ms

SD_Home_Smithsonian.jpg

SD_Home_Smithsonian.jpg

100 ms

featured-shadow-header_01.png

featured-shadow-header_01.png

98 ms

arrow-left.gif

arrow-left.gif

80 ms

212-553-Product_LargeToThumbImage-thumb.jpeg

212-553-Product_LargeToThumbImage-thumb.jpeg

80 ms

spacer.gif

spacer.gif

80 ms

212-528-Product_LargeToThumbImage-thumb.jpeg

212-528-Product_LargeToThumbImage-thumb.jpeg

96 ms

212-560-Product_LargeToThumbImage-thumb.jpeg

212-560-Product_LargeToThumbImage-thumb.jpeg

97 ms

212-562-Product_LargeToThumbImage-thumb.jpeg

212-562-Product_LargeToThumbImage-thumb.jpeg

98 ms

arrow-right.gif

arrow-right.gif

98 ms

featured-shadow-footer.png

featured-shadow-footer.png

98 ms

browse-by-age-group.gif

browse-by-age-group.gif

100 ms

ddn.png

ddn.png

95 ms

ddn-hover.png

ddn-hover.png

90 ms

go.gif

go.gif

108 ms

enewsletter-signup.gif

enewsletter-signup.gif

101 ms

submit.gif

submit.gif

66 ms

ga.js

ga.js

14 ms

navigation-bg.gif

navigation-bg.gif

69 ms

featured-shadow-left.png

featured-shadow-left.png

60 ms

featured-arrow-left-bg.gif

featured-arrow-left-bg.gif

70 ms

more_SD_btn.gif

more_SD_btn.gif

80 ms

featured-arrow-right-bg.gif

featured-arrow-right-bg.gif

75 ms

featured-shadow-right.png

featured-shadow-right.png

73 ms

get-the-fall-catalog_no_text.png

get-the-fall-catalog_no_text.png

81 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

silverdolphinbooks.com accessibility score

89

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

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

Links do not have a discernible name

Best Practices

silverdolphinbooks.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

silverdolphinbooks.com SEO score

89

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

silverdolphinbooks.com

Open Graph description is not detected on the main page of Silver Dolphin Books. 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: