Tools & Wizards About Us
the39clues.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

the39clues.com

39 Clues

Page Load Speed

2.7 sec in total

First Response

83 ms

Resources Loaded

2.1 sec

Page Rendered

544 ms

the39clues.com screenshot

About Website

Visit the39clues.com now to see the best up-to-date The 39 Clues content and also check out these interesting facts you probably never knew about the39clues.com

Take a quiz to see which branch of the Cahill family you are, unlock 39 clues around the world.

Visit the39clues.com

Key Findings

We analyzed The39clues.com page load time and found that the first response time was 83 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

the39clues.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value3,030 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.463

19/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

the39clues.com

83 ms

www.the39clues.com

48 ms

the39clues.scholastic.com

221 ms

navigation.css

117 ms

bootstrap_components.css

91 ms

Our browser made a total of 221 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original The39clues.com, 33% (73 requests) were made to S3.plus.scholastic.com and 30% (67 requests) were made to Cdn.static.the39clues.scholastic.com. The less responsive or slowest element that took the longest time to load (486 ms) relates to the external source Doublecross.scholastic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (27%)

Content Size

4.0 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of The39clues.com main page is 4.0 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 53.1 kB

  • Original 64.5 kB
  • After minification 62.6 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 53.1 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 136.2 kB

  • Original 2.7 MB
  • After minification 2.5 MB

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. The 39 Clues images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 747.8 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 327.4 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 747.8 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 160.8 kB

  • Original 194.9 kB
  • After minification 189.7 kB
  • After compression 34.0 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. The39clues.com needs all CSS files to be minified and compressed as it can save up to 160.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (26%)

Requests Now

216

After Optimization

160

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 216 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The 39 Clues. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

the39clues.com

the39clues.com

83 ms

www.the39clues.com

www.the39clues.com

48 ms

the39clues.scholastic.com

the39clues.scholastic.com

221 ms

navigation.css

navigation.css

117 ms

bootstrap_components.css

bootstrap_components.css

91 ms

base.css

base.css

103 ms

home.css

home.css

99 ms

umbrella.css

umbrella.css

121 ms

static.css

static.css

127 ms

mootools-core.js

mootools-core.js

119 ms

mootools-more.js

mootools-more.js

171 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

106 ms

jquery_ujs.js

jquery_ujs.js

123 ms

bootstrap_components.min.js

bootstrap_components.min.js

90 ms

medal.js

medal.js

90 ms

global.js

global.js

130 ms

popup.js

popup.js

88 ms

395ce004-90a7-41f6-9698-1b6babddacb9.js

395ce004-90a7-41f6-9698-1b6babddacb9.js

180 ms

omniture.js

omniture.js

111 ms

Bootstrap.js

Bootstrap.js

157 ms

kups.js

kups.js

112 ms

umbrella.js

umbrella.js

111 ms

swfobject.js

swfobject.js

110 ms

shared.js

shared.js

102 ms

LazyLoad.js

LazyLoad.js

103 ms

s_code.js

s_code.js

145 ms

footer.js

footer.js

144 ms

bg_mission_hindenburg.jpg

bg_mission_hindenburg.jpg

110 ms

bg_body.png

bg_body.png

10 ms

serverComponent.php

serverComponent.php

25 ms

multiverse

multiverse

15 ms

satelliteLib-eb3f9fd9f5d2970c2324a1d13c9689abca536b6c.js

satelliteLib-eb3f9fd9f5d2970c2324a1d13c9689abca536b6c.js

145 ms

15ec5cd3d9212846986c117d0693bfd3.js

15ec5cd3d9212846986c117d0693bfd3.js

8 ms

books_background.png

books_background.png

99 ms

nav-bg.jpg

nav-bg.jpg

115 ms

515.jpg

515.jpg

134 ms

516.jpg

516.jpg

132 ms

the39clues-logo.png

the39clues-logo.png

119 ms

nav-simple.png

nav-simple.png

118 ms

missions-submenu-full.png

missions-submenu-full.png

164 ms

books-submenu-full-center.png

books-submenu-full-center.png

162 ms

games-submenu-lite.png

games-submenu-lite.png

113 ms

frame_bg_lower.png

frame_bg_lower.png

124 ms

top_right.png

top_right.png

118 ms

top_left.png

top_left.png

119 ms

agent_data_top_bar.png

agent_data_top_bar.png

124 ms

button_down.png

button_down.png

122 ms

games_bg.png

games_bg.png

136 ms

cahill_command.jpg

cahill_command.jpg

134 ms

ccc_left_mask.png

ccc_left_mask.png

132 ms

ccc_right_mask.png

ccc_right_mask.png

126 ms

fullscreen.png

fullscreen.png

134 ms

tch_book1.jpg

tch_book1.jpg

161 ms

tch_book2.jpg

tch_book2.jpg

161 ms

tch_book3.jpg

tch_book3.jpg

156 ms

tch_book4.jpg

tch_book4.jpg

155 ms

tch_book5.jpg

tch_book5.jpg

168 ms

tch_book6.jpg

tch_book6.jpg

160 ms

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tch_book7.jpg

168 ms

tch_book8.jpg

tch_book8.jpg

168 ms

tch_book9.jpg

tch_book9.jpg

169 ms

tch_book10.jpg

tch_book10.jpg

150 ms

tch_book11.jpg

tch_book11.jpg

155 ms

cvv_book1.jpg

cvv_book1.jpg

156 ms

cvv_book2.jpg

cvv_book2.jpg

175 ms

cvv_book3.jpg

cvv_book3.jpg

173 ms

cvv_book4.jpg

cvv_book4.jpg

173 ms

cvv_book5.jpg

cvv_book5.jpg

173 ms

cvv_book6.jpg

cvv_book6.jpg

171 ms

tcf_book1.jpg

tcf_book1.jpg

174 ms

unstoppable_book1.jpg

unstoppable_book1.jpg

175 ms

unstoppable_book2.jpg

unstoppable_book2.jpg

175 ms

rd

rd

101 ms

tombquest_play.jpg

tombquest_play.jpg

87 ms

tombquest_create_tomb.png

tombquest_create_tomb.png

88 ms

scholastic_logo.png

scholastic_logo.png

85 ms

tch-btn.png

tch-btn.png

91 ms

cvv-btn.png

cvv-btn.png

85 ms

unstoppable-btn.png

unstoppable-btn.png

88 ms

doublecross-btn.png

doublecross-btn.png

80 ms

mission-status.png

mission-status.png

84 ms

books-spacer.png

books-spacer.png

80 ms

vesper-hunt-btn.png

vesper-hunt-btn.png

79 ms

arena39-btn.png

arena39-btn.png

75 ms

plus.scholastic.com

plus.scholastic.com

102 ms

iframe

iframe

486 ms

books_module_small.jpg

books_module_small.jpg

74 ms

books_module_wide.jpg

books_module_wide.jpg

72 ms

188fd1f6-eb69-4d6e-b4a7-948573a84fb8.ttf

188fd1f6-eb69-4d6e-b4a7-948573a84fb8.ttf

412 ms

id

id

312 ms

reset.min.css

reset.min.css

95 ms

font-awesome.min.css

font-awesome.min.css

75 ms

bootstrap.min.css

bootstrap.min.css

96 ms

app.min.css

app.min.css

121 ms

css

css

117 ms

socket.io.js

socket.io.js

111 ms

jquery.min.js

jquery.min.js

110 ms

jquery.cookie.js

jquery.cookie.js

176 ms

bootstrap.min.js

bootstrap.min.js

114 ms

marked.min.js

marked.min.js

189 ms

app.min.js

app.min.js

110 ms

standard

standard

320 ms

satellite-5612b8df3766396c2000048c.js

satellite-5612b8df3766396c2000048c.js

329 ms

satellite-565bb76764746d438b0016c2.js

satellite-565bb76764746d438b0016c2.js

329 ms

satellite-5612b7176361390014000a73.js

satellite-5612b7176361390014000a73.js

390 ms

s-code-contents-87ee6fd21c1181cc7afb10394b2e9cf96cb8cb32.js

s-code-contents-87ee6fd21c1181cc7afb10394b2e9cf96cb8cb32.js

385 ms

255 ms

beacon.js

beacon.js

184 ms

label_bg.png

label_bg.png

180 ms

nav_bg_middle_compact.png

nav_bg_middle_compact.png

180 ms

nav_bg_left_compact.png

nav_bg_left_compact.png

181 ms

nav_bg_right_compact.png

nav_bg_right_compact.png

169 ms

serverComponent.php

serverComponent.php

119 ms

id

id

98 ms

s26322432176675

s26322432176675

105 ms

lato.css

lato.css

100 ms

alegreya-sans.css

alegreya-sans.css

100 ms

newsfeed-ea562df494fd23db75f44bcdb1f7f91e.css

newsfeed-ea562df494fd23db75f44bcdb1f7f91e.css

100 ms

newsfeed_iframe-51b5ebe83352e8eeb229201dbb5154c0.js

newsfeed_iframe-51b5ebe83352e8eeb229201dbb5154c0.js

117 ms

fonts

fonts

136 ms

scholastic_kups

scholastic_kups

141 ms

scholastic_umbrella

scholastic_umbrella

322 ms

books_module_arrows.png

books_module_arrows.png

124 ms

9k-RPmcnxYEPm8CNFsH2gg.woff

9k-RPmcnxYEPm8CNFsH2gg.woff

108 ms

iframe.js

iframe.js

90 ms

nav-doublecross-logo.png

nav-doublecross-logo.png

23 ms

ajax-loader-big.gif

ajax-loader-big.gif

24 ms

lato.css

lato.css

37 ms

scholastic_logo_small.png

scholastic_logo_small.png

35 ms

bar_lock.png

bar_lock.png

23 ms

lato.woff

lato.woff

32 ms

lato_bold.woff

lato_bold.woff

31 ms

front_sm.jpg

front_sm.jpg

179 ms

wingsoffire_forum_logo.png

wingsoffire_forum_logo.png

91 ms

the39clues_forum_logo.png

the39clues_forum_logo.png

90 ms

bg_stripe_wof-fe7b401a101cf95a1edf14e1ac53d151.png

bg_stripe_wof-fe7b401a101cf95a1edf14e1ac53d151.png

89 ms

stars-1e96237b6dc2cc027c0a2054288ec332.png

stars-1e96237b6dc2cc027c0a2054288ec332.png

164 ms

bg_stripe_clues-89e8216074cb54dd4e65b54b1d777d81.png

bg_stripe_clues-89e8216074cb54dd4e65b54b1d777d81.png

168 ms

ajax-loader-small.gif

ajax-loader-small.gif

167 ms

front_sm.jpg

front_sm.jpg

168 ms

lato.woff

lato.woff

168 ms

lato_bold.woff

lato_bold.woff

168 ms

icon.png

icon.png

169 ms

bookseries_icon.svg

bookseries_icon.svg

154 ms

gamecontroller_icon.svg

gamecontroller_icon.svg

151 ms

community_icon.svg

community_icon.svg

171 ms

forums_icon.svg

forums_icon.svg

165 ms

chat_icon.svg

chat_icon.svg

167 ms

icon_ecc707e53d.png

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169 ms

icon.png

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156 ms

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180 ms

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190 ms

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Accessibility Review

the39clues.com accessibility score

98

Accessibility Issues

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.

Best Practices

the39clues.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

the39clues.com SEO score

75

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise The39clues.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that The39clues.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

the39clues.com

Open Graph description is not detected on the main page of The 39 Clues. 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: