Tools & Wizards About Us
crossbowbook.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

crossbowbook.com

The Crossbow > Its Construction, History and Management > by Sir Ralph Payne-Gallwey Free Online

Page Load Speed

2 sec in total

First Response

210 ms

Resources Loaded

412 ms

Page Rendered

1.3 sec

crossbowbook.com screenshot

About Website

Welcome to crossbowbook.com homepage info - get ready to check Crossbow Book best content right away, or after learning these important things about crossbowbook.com

Unabridged, online version of The Crossbow, Medieval and Modern, Military and Sporting, Its Construction, History and Management, With a Treatise on the Ballista and Catapult of the Ancients and an Ap...

Visit crossbowbook.com

Key Findings

We analyzed Crossbowbook.com page load time and found that the first response time was 210 ms and then it took 1.7 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

crossbowbook.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

crossbowbook.com

210 ms

bgtrebuchetstore.jpg

62 ms

parchment.jpg

62 ms

view_cart.gif

63 ms

Gravity.gif

70 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 Crossbowbook.com and no external sources were called. The less responsive or slowest element that took the longest time to load (210 ms) belongs to the original domain Crossbowbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.1 kB (15%)

Content Size

409.1 kB

After Optimization

346.0 kB

  • HTML
  • Images

In fact, the total size of Crossbowbook.com main page is 409.1 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. 40% of websites need less resources to load. Images take 341.5 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 60.3 kB

  • Original 67.6 kB
  • After minification 66.9 kB
  • After compression 7.3 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 60.3 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 2.8 kB

  • Original 341.5 kB
  • After minification 338.7 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. Crossbow Book images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

29

After Optimization

29

  • Images

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crossbow Book. According to our analytics all requests are already optimized.

Network Requests Diagram

crossbowbook.com

crossbowbook.com

210 ms

bgtrebuchetstore.jpg

bgtrebuchetstore.jpg

62 ms

parchment.jpg

parchment.jpg

62 ms

view_cart.gif

view_cart.gif

63 ms

Gravity.gif

Gravity.gif

70 ms

the-crossbow-desktop-banner.jpg

the-crossbow-desktop-banner.jpg

117 ms

plansdealsbutton.gif

plansdealsbutton.gif

67 ms

shipping.jpg

shipping.jpg

44 ms

international_logo.GIF

international_logo.GIF

66 ms

bp1_cover_parch.gif

bp1_cover_parch.gif

66 ms

tp6_cover_parch.gif

tp6_cover_parch.gif

69 ms

cp2_cover_parch.gif

cp2_cover_parch.gif

74 ms

tp5_cover_parch.gif

tp5_cover_parch.gif

111 ms

sc-but-03.gif

sc-but-03.gif

89 ms

tp2_cover_parch.gif

tp2_cover_parch.gif

121 ms

tp1_cover_parch.gif

tp1_cover_parch.gif

100 ms

tp3_cover_parch.gif

tp3_cover_parch.gif

99 ms

tp4_cover_parch.gif

tp4_cover_parch.gif

128 ms

op1_cover_parch.gif

op1_cover_parch.gif

127 ms

mp1_cover_parch.gif

mp1_cover_parch.gif

122 ms

cp1_cover_parch.gif

cp1_cover_parch.gif

134 ms

rc1_cover_parch.gif

rc1_cover_parch.gif

138 ms

ws1_cover_parch.gif

ws1_cover_parch.gif

144 ms

tp7_cover_parch.gif

tp7_cover_parch.gif

149 ms

Amazon%20Build%20Three%20Catapults%20Cover%20224p%20wide.jpg

Amazon%20Build%20Three%20Catapults%20Cover%20224p%20wide.jpg

210 ms

Amazon%20Build%20Three%20Catapults%20Back%20Cover%20224p%20wide.jpg

Amazon%20Build%20Three%20Catapults%20Back%20Cover%20224p%20wide.jpg

205 ms

build%203%20catapult%20amazon%20prime%20ad%20copy%20230p%20wide.jpg

build%203%20catapult%20amazon%20prime%20ad%20copy%20230p%20wide.jpg

207 ms

trebuchetmodelkit.gif

trebuchetmodelkit.gif

210 ms

availability_button.gif

availability_button.gif

206 ms

trebuchetmodeldavinci.gif

trebuchetmodeldavinci.gif

207 ms

Accessibility Review

crossbowbook.com accessibility score

69

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

crossbowbook.com best practices score

75

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

crossbowbook.com SEO score

58

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 Crossbowbook.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 Crossbowbook.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

crossbowbook.com

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