2.6 sec in total
13 ms
1.9 sec
636 ms
Welcome to jackbackpack.org homepage info - get ready to check Jackbackpack best content right away, or after learning these important things about jackbackpack.org
Visit jackbackpack.orgWe analyzed Jackbackpack.org page load time and found that the first response time was 13 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.
jackbackpack.org performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value15.1 s
0/100
25%
Value5.8 s
50/100
10%
Value1,110 ms
23/100
30%
Value0.27
45/100
15%
Value6.3 s
61/100
10%
13 ms
845 ms
62 ms
43 ms
52 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Jackbackpack.org, 41% (31 requests) were made to Xprs.imcreator.com and 35% (26 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (845 ms) belongs to the original domain Jackbackpack.org.
Page size can be reduced by 685.8 kB (21%)
3.2 MB
2.5 MB
In fact, the total size of Jackbackpack.org main page is 3.2 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 125.4 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. This page needs HTML code to be minified as it can gain 17.6 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 125.4 kB or 92% of the original size.
Potential reduce by 70.7 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. Jackbackpack images are well optimized though.
Potential reduce by 337.4 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 337.4 kB or 59% of the original size.
Potential reduce by 152.3 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. Jackbackpack.org needs all CSS files to be minified and compressed as it can save up to 152.3 kB or 43% of the original size.
Number of requests can be reduced by 36 (50%)
72
36
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jackbackpack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
jackbackpack.org
13 ms
www.jackbackpack.org
845 ms
iframe_api
62 ms
common.css
43 ms
font-awesome.min.css
52 ms
stripe_default_css
139 ms
stripe_default_css
231 ms
stripe_data_css
187 ms
fonts.css
107 ms
effects.css
65 ms
lightbox.css
64 ms
flex_arranger.css
68 ms
stripes_arranger.css
82 ms
matrix_arranger.css
80 ms
middle_layout.css
96 ms
multi_layout.css
94 ms
menu_layout.css
101 ms
spimeview.css
102 ms
static_style
197 ms
jquery-2.1.0.min.js
123 ms
js
94 ms
xprs_helper.js
112 ms
jquery.mobile.custom.min.js
121 ms
flex_arranger.js
128 ms
stripes_arranger.js
131 ms
matrix_arranger.js
138 ms
middle_layout.js
137 ms
multi_layout.js
141 ms
menu_layout.js
145 ms
lightbox.js
149 ms
spimeengine.js
151 ms
www-widgetapi.js
32 ms
css
59 ms
css
71 ms
css
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css
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css
87 ms
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lightbox_arrow_left.png
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common.js
402 ms
util.js
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geocoder.js
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map_styles.json
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paginator.png
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jackbackpack.org 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
Image elements do not have [alt] attributes
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.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
jackbackpack.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
jackbackpack.org SEO score
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 doesn't use legible font sizes
PT
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jackbackpack.org can be misinterpreted by Google and other search engines. Our service has detected that Portuguese 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 Jackbackpack.org 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.
jackbackpack.org
Open Graph description is not detected on the main page of Jackbackpack. 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: