Tools & Wizards About Us
smartcellular.us screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

smartcellular.us

Buy Refurbished and Used Mobile Phone, Tablets & Laptops Online at Best Prices

Page Load Speed

3.6 sec in total

First Response

545 ms

Resources Loaded

2.5 sec

Page Rendered

563 ms

smartcellular.us screenshot

About Website

Click here to check amazing Smartcellular content. Otherwise, check out these important facts you probably never knew about smartcellular.us

Check out wide range of used & refurbished mobile phones, tablets, laptops, macbook and much more online at best prices in United States. Buy pristine, good and excellent condition handsets with 12 mo...

Visit smartcellular.us

Key Findings

We analyzed Smartcellular.us page load time and found that the first response time was 545 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

smartcellular.us performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value27.2 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value4,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value41.6 s

0/100

10%

Network Requests Diagram

www.smartcellular.co.uk

545 ms

b73742e63599f7c2bdf2645696403c76.min.css

81 ms

styles-l.min.css

76 ms

font-awesome.min.css

160 ms

SC_Buy_eco-friendly.svg

96 ms

Our browser made a total of 241 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Smartcellular.us, 6% (14 requests) were made to Fonts.gstatic.com and 5% (13 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (837 ms) relates to the external source Smartcellular.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 733.1 kB (21%)

Content Size

3.6 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Smartcellular.us main page is 3.6 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. Only a small number of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 501.9 kB

  • Original 578.6 kB
  • After minification 528.7 kB
  • After compression 76.6 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 501.9 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 6.2 kB

  • Original 2.3 MB
  • After minification 2.3 MB

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. Smartcellular images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 21.6 kB

  • Original 475.7 kB
  • After minification 475.7 kB
  • After compression 454.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 203.4 kB

  • Original 250.6 kB
  • After minification 50.3 kB
  • After compression 47.2 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. Smartcellular.us needs all CSS files to be minified and compressed as it can save up to 203.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 76 (40%)

Requests Now

188

After Optimization

112

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smartcellular. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.smartcellular.co.uk

www.smartcellular.co.uk

545 ms

b73742e63599f7c2bdf2645696403c76.min.css

b73742e63599f7c2bdf2645696403c76.min.css

81 ms

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76 ms

font-awesome.min.css

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218 ms

out

out

13 ms

sendrolling.js

sendrolling.js

13 ms

ELE5JL53AFCRTJBEP4U2LC

ELE5JL53AFCRTJBEP4U2LC

11 ms

out

out

10 ms

out

out

20 ms

out

out

18 ms

out

out

19 ms

out

out

22 ms

out

out

22 ms

out

out

34 ms

out

out

33 ms

51 ms

main.js

main.js

178 ms

trigger

trigger

99 ms

koi

koi

102 ms

pixel

pixel

107 ms

tap.php

tap.php

93 ms

sd

sd

106 ms

Pug

Pug

90 ms

check

check

24 ms

xuid

xuid

7 ms

pixel

pixel

22 ms

sync

sync

54 ms

in

in

35 ms

bounce

bounce

39 ms

rum

rum

30 ms

print.min.css

print.min.css

16 ms

Accessibility Review

smartcellular.us accessibility score

82

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

smartcellular.us best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

smartcellular.us SEO score

78

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Smartcellular.us 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 Smartcellular.us 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

smartcellular.us

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