7.9 sec in total
519 ms
6.6 sec
773 ms
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Visit vuejsbook.comWe analyzed Vuejsbook.com page load time and found that the first response time was 519 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
vuejsbook.com performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value13.0 s
0/100
25%
Value9.1 s
14/100
10%
Value870 ms
33/100
30%
Value0.141
78/100
15%
Value16.5 s
5/100
10%
519 ms
1302 ms
49 ms
980 ms
23 ms
Our browser made a total of 138 requests to load all elements on the main page. We found that 43% of them (59 requests) were addressed to the original Vuejsbook.com, 9% (12 requests) were made to C.disquscdn.com and 4% (5 requests) were made to Idsync.rlcdn.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Vuejsbook.com.
Page size can be reduced by 2.1 MB (54%)
4.0 MB
1.9 MB
In fact, the total size of Vuejsbook.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. CSS take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 40.8 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 8.6 kB, which is 16% 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 40.8 kB or 74% of the original size.
Potential reduce by 44.3 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. Vuejsbook images are well optimized though.
Potential reduce by 583.9 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 583.9 kB or 67% of the original size.
Potential reduce by 1.5 MB
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. Vuejsbook.com needs all CSS files to be minified and compressed as it can save up to 1.5 MB or 91% of the original size.
Number of requests can be reduced by 99 (77%)
129
30
The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vuejsbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
vuejsbook.com
519 ms
vuejsbook.com
1302 ms
jquery-1.10.2.min.js
49 ms
animate.css
980 ms
wow.js
23 ms
bootstrap.css
1437 ms
flat-ui.css
1020 ms
icon-font.css
995 ms
animations.css
1016 ms
css
58 ms
style.css
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style.css
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style.css
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fstyle.css
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litetooltip.min.css
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hoveralls.css
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humane.js
2019 ms
flatty.css
2955 ms
etalage.css
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etalage.js
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ladda-themeless.min.css
3051 ms
bday-picker.js
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load.sumome.com
506 ms
spin.min.js
2441 ms
ladda.min.js
2450 ms
jquery-ui-1.10.3.custom.min.js
2468 ms
bootstrap.min.js
2475 ms
bootstrap-select.js
2479 ms
bootstrap-switch.js
2485 ms
jquery.scrollTo-1.4.3.1-min.js
2516 ms
modernizr.custom.js
2519 ms
page-transitions.js
2524 ms
easing.min.js
2537 ms
jquery.svg.js
2545 ms
jquery.svganim.js
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highlight.min.js
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railscasts.css
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jquery.parallax.min.js
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flatui-radio.js
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flatui-checkbox.js
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application.js
1955 ms
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css
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script.js
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css
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vuelogo.png
97 ms
menu-icon-dark.png
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vuebg.jpg
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vuebook.png
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widgets.js
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count.json
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all.js
53 ms
embed.js
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fbevents.js
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analytics.js
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button.3ccb64e61d4c01fae12cd2b0ed9b2bab.js
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share_button.php
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like.php
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vuejsbook.com accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
vuejsbook.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vuejsbook.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
ID
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vuejsbook.com can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed English language. Our system also found out that Vuejsbook.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.
vuejsbook.com
Open Graph description is not detected on the main page of Vuejsbook. 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: