12.7 sec in total
1.7 sec
10.9 sec
133 ms
Welcome to navjack.com homepage info - get ready to check Nav Jack best content right away, or after learning these important things about navjack.com
NavJack是台灣3C配件品牌, 以Apple手機、iPad平板周邊為主. 堅持台灣品質設計及製造,曾經入選榮獲”2011美國葛萊美獎”以及”2011&2016奧斯卡獎”的禮物袋。\niPhone防摔殼首選│台灣設計,堅持品牌工藝的原創精神,提供消費者最佳防護設計為理念,讓想像成為實現,100% MIT設計製造,以卓越技術研發製作,讓品味質感進入每個人的生活。
Visit navjack.comWe analyzed Navjack.com page load time and found that the first response time was 1.7 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Navjack.com rating and web reputation
navjack.com performance score
name
value
score
weighting
Value7.7 s
0/100
10%
Value13.0 s
0/100
25%
Value13.4 s
2/100
10%
Value360 ms
72/100
30%
Value0
100/100
15%
Value11.4 s
19/100
10%
1741 ms
614 ms
1235 ms
615 ms
433 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 88% of them (37 requests) were addressed to the original Navjack.com, 5% (2 requests) were made to V2.zopim.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Navjack.com.
Page size can be reduced by 989.5 kB (36%)
2.8 MB
1.8 MB
In fact, the total size of Navjack.com main page is 2.8 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. 25% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 9.7 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 13% 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 9.7 kB or 75% of the original size.
Potential reduce by 267.4 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. Obviously, Nav Jack needs image optimization as it can save up to 267.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 584.5 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 584.5 kB or 70% of the original size.
Potential reduce by 127.9 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. Navjack.com needs all CSS files to be minified and compressed as it can save up to 127.9 kB or 87% of the original size.
Number of requests can be reduced by 9 (23%)
39
30
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nav Jack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
navjack.com
1741 ms
CSS_navjcak.css
614 ms
jquery-1.3.2.min.js
1235 ms
jquery.pngFix.js
615 ms
CSS_navjcak_link.css
433 ms
CSS_navjcak_ajax.css
435 ms
ext-all.css
1899 ms
ext-base.js
1459 ms
ext-all.js
3430 ms
common.js
1426 ms
widget_v2.134.js
17 ms
ga.js
40 ms
index_bg_01.jpg
412 ms
index_bt_bg_03.jpg
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index_bg_04.jpg
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index_31_new.png
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index_11.jpg
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index_07.jpg
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%7BImg%7D
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index_31_new23.png
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index_24.jpg
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index_04-08.jpg
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index_04.jpg
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index_13.png
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__utm.gif
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getdata.php
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avatar_simple_visitor.png
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Corium-Top-Small-news-shop.png
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iPhone6s&6sPlus-Twiggy%20Series-top-1.jpg
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iPhone6s&6sPlus-Nazca%20Series-top-1.jpg
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Stand-Nazca%20Series-TOP-1.jpg
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navjack.com accessibility score
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
navjack.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
Missing source maps for large first-party JavaScript
navjack.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Navjack.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 Navjack.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.
navjack.com
Open Graph description is not detected on the main page of Nav Jack. 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: