Access jammerfun.com. Cell Phone Jammers - GPS Jammer + Wifi Jammer + Cell Phone Booster

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.49

17/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

jammerfun.com

2536 ms

9049d9b5cdaeeb211d217fe5b483565f.css

258 ms

ad217a3dc69668e7ac3d3c193175a8db.js

537 ms

element.js

18 ms

buttons.js

77 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 66% of them (79 requests) were addressed to the original Jammerfun.com, 9% (11 requests) were made to W.sharethis.com and 4% (5 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Jammerfun.com.

Content Size

1.5 MB

After Optimization

654.6 kB

In fact, the total size of Jammerfun.com main page is 1.5 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. Javascripts take 940.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 89.8 kB

Original 103.0 kB
After minification 85.5 kB
After compression 13.2 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 17% 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 89.8 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 16.2 kB

Original 357.0 kB
After minification 340.8 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. Jammer Fun images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 663.5 kB

Original 940.3 kB
After minification 831.4 kB
After compression 276.9 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 663.5 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 104.4 kB

Original 128.1 kB
After minification 107.4 kB
After compression 23.7 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. Jammerfun.com needs all CSS files to be minified and compressed as it can save up to 104.4 kB or 81% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jammer Fun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jammerfun.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Jammerfun.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.

Social Sharing Optimization

jammerfun.com

Open Graph description is not detected on the main page of Jammer Fun. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Cell Phone Jammers - GPS Jammer + Wifi Jammer + Cell Phone Booster - China Wholesale

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jammerfun.com

9049d9b5cdaeeb211d217fe5b483565f.css

ad217a3dc69668e7ac3d3c193175a8db.js

element.js

buttons.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jammerfun.com

9049d9b5cdaeeb211d217fe5b483565f.css

ad217a3dc69668e7ac3d3c193175a8db.js

element.js

buttons.js

new-background.gif

header_bg.jpg

logo.gif

top_links_top_left_bg.png

top_links_top_right_bg.png

top_links_bg.png

nav_divider.png

menu_top_left.gif

menu_bg.gif

toolbar-icons.gif

bkg_button.gif

jammerfun-dhl-banner.jpg

msn.gif

skype.gif

CL.GIF

GB.GIF

CO.GIF

AU.GIF

tg1041-06.jpg

tg1252-v18.jpg

jatg281310-fun_6__1.jpg

tg1251-m18.jpg

jatg281314-fun_2_.jpg

mobile-jammers-broad-spectrum-cell-phone-jammer-tg1001.jpg

multifunctional-jammer-portable-gps-jammer-mobile-phone-jammer-tg1014.jpg

jatg281315-fun_2_.jpg

jatg281267-7.jpg

extreme-cool-edition-high-power-signal-jamming-device-for-gps-cell-phone-3g-tg1018.jpg

01.jpg

02.jpg

03.jpg

04.jpg

favourite.jpg

cell-phone-jammer.jpg

gps-jammer.jpg

wifi-jamemr.jpg

translateelement.css

main.js