3.9 sec in total
120 ms
2.8 sec
939 ms
Click here to check amazing Bolted Book content. Otherwise, check out these important facts you probably never knew about boltedbook.com
Welcome to the official website for the Bolted Book, featuring the first exact copy of Fortunato Depero’s 1927 masterpiece of graphic design and bookmaking—Depero Futurista.
Visit boltedbook.comWe analyzed Boltedbook.com page load time and found that the first response time was 120 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
boltedbook.com performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value10.8 s
0/100
25%
Value6.2 s
43/100
10%
Value710 ms
42/100
30%
Value0.028
100/100
15%
Value32.4 s
0/100
10%
120 ms
1314 ms
51 ms
74 ms
136 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 73% of them (45 requests) were addressed to the original Boltedbook.com, 11% (7 requests) were made to Use.typekit.net and 5% (3 requests) were made to Secure.gravatar.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Boltedbook.com.
Page size can be reduced by 715.6 kB (58%)
1.2 MB
522.1 kB
In fact, the total size of Boltedbook.com main page is 1.2 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. 55% of websites need less resources to load. Images take 435.2 kB which makes up the majority of the site volume.
Potential reduce by 289.7 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 289.7 kB or 95% of the original size.
Potential reduce by 63.1 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. Obviously, Bolted Book needs image optimization as it can save up to 63.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 101.2 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 101.2 kB or 58% of the original size.
Potential reduce by 261.6 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. Boltedbook.com needs all CSS files to be minified and compressed as it can save up to 261.6 kB or 81% of the original size.
Number of requests can be reduced by 35 (67%)
52
17
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bolted Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
boltedbook.com
120 ms
www.boltedbook.com
1314 ms
analytics.js
51 ms
wp-emoji-release.min.js
74 ms
style.min.css
136 ms
font-awesome.scss
186 ms
font-awesome.css
241 ms
font-awesome.min.css
247 ms
favorites.css
186 ms
bootstrap.min.css
353 ms
bst-new.css
195 ms
swipebox.css
249 ms
jetpack.css
361 ms
frontend.min.js
255 ms
jquery.js
371 ms
jquery-migrate.min.js
308 ms
favorites.min.js
385 ms
fonts.css
516 ms
kcu8acx.js
126 ms
so-css-bst-master.css
312 ms
owl.carousel.css
385 ms
widgets.css
385 ms
comment_count.js
409 ms
devicepx-jetpack.js
43 ms
jquery.matchHeight-min.js
414 ms
matchHeight-init.js
415 ms
gprofiles.js
44 ms
wpgroho.js
419 ms
jquery.sonar.min.js
425 ms
lazy-load.js
434 ms
modernizr-2.8.3.min.js
470 ms
bootstrap.min.js
475 ms
jquery.swipebox.js
474 ms
bst.js
480 ms
wp-embed.min.js
483 ms
owl.carousel.min.js
495 ms
e-202240.js
41 ms
collect
21 ms
logo.png
136 ms
Bolted-Book-Facsimile-and-Readers-Guide.jpg
379 ms
projectImage400.jpg
301 ms
Bolted-Book-unbolted-pages-fanned-two-bolts-500.jpg
79 ms
1x1.trans.gif
80 ms
fontawesome-webfont.woff
222 ms
count.js
209 ms
Depero-Bolted-Book-128-front_rev-400x300.jpg
81 ms
Depero-Bolted-Book-03-400x300.jpg
71 ms
Depero-Bolted-Book-04-400x300.jpg
72 ms
Depero-Bolted-Book-05-400x300.jpg
71 ms
Depero-Bolted-Book-06-400x300.jpg
72 ms
Depero-Bolted-Book-07-400x300.jpg
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Depero-Bolted-Book-08-400x300.jpg
71 ms
Depero-Bolted-Book-09-400x300.jpg
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client.js
58 ms
hovercard.min.css
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services.min.css
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boltedbook.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
boltedbook.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
boltedbook.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Boltedbook.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 Boltedbook.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.
boltedbook.com
Open Graph data is detected on the main page of Bolted Book. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: