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t-mobile-coverage.t-mobile.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

t-mobile-coverage.t-mobile.com

T-Mobile® Official Site: Get Even More Without Paying More | T-Mobile & Sprint Merged to Give You More

Page Load Speed

2.5 sec in total

First Response

373 ms

Resources Loaded

1.9 sec

Page Rendered

266 ms

t-mobile-coverage.t-mobile.com screenshot

About Website

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Key Findings

We analyzed T-mobile-coverage.t-mobile.com page load time and found that the first response time was 373 ms and then it took 2.1 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.

Performance Metrics

t-mobile-coverage.t-mobile.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value8,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.221

56/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

4gcitylist.html

373 ms

clientlibs_base_embed.css

186 ms

clientlibs_generic.css

217 ms

jsglobals.js

236 ms

clientlibs_base_embed.js

321 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original T-mobile-coverage.t-mobile.com, 10% (9 requests) were made to Tags.bluekai.com and 5% (5 requests) were made to T-mobile.com. The less responsive or slowest element that took the longest time to load (608 ms) relates to the external source Events.medio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (76%)

Content Size

2.9 MB

After Optimization

697.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of T-mobile-coverage.t-mobile.com main page is 2.9 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. 60% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 79.3 kB

  • Original 101.2 kB
  • After minification 85.7 kB
  • After compression 21.9 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 15.5 kB, which is 15% 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 79.3 kB or 78% of the original size.

Image Optimization

-27%

Potential reduce by 25.5 kB

  • Original 94.9 kB
  • After minification 69.3 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. Obviously, T Mobile Coverage T needs image optimization as it can save up to 25.5 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 1.7 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 525.7 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 1.7 MB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 409.5 kB

  • Original 490.4 kB
  • After minification 476.8 kB
  • After compression 80.8 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. T-mobile-coverage.t-mobile.com needs all CSS files to be minified and compressed as it can save up to 409.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (77%)

Requests Now

73

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of T Mobile Coverage T. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

4gcitylist.html

4gcitylist.html

373 ms

clientlibs_base_embed.css

clientlibs_base_embed.css

186 ms

clientlibs_generic.css

clientlibs_generic.css

217 ms

jsglobals.js

jsglobals.js

236 ms

clientlibs_base_embed.js

clientlibs_base_embed.js

321 ms

clientlibs_generic.js

clientlibs_generic.js

299 ms

Bootstrap.js

Bootstrap.js

22 ms

inqChatLaunch343.js

inqChatLaunch343.js

473 ms

conversion_async.js

conversion_async.js

39 ms

target.js

target.js

12 ms

serverComponent.php

serverComponent.php

17 ms

rd

rd

10 ms

93ace3a5f62cc1a2dcc3f9986ca2c88f.js

93ace3a5f62cc1a2dcc3f9986ca2c88f.js

49 ms

19c307d6-6fd8-47d3-a56d-fa998322491a.woff

19c307d6-6fd8-47d3-a56d-fa998322491a.woff

49 ms

6f8c05f7-2d01-4282-ba89-505635df2953.woff

6f8c05f7-2d01-4282-ba89-505635df2953.woff

49 ms

unavService.json

unavService.json

108 ms

tradeinservice.json

tradeinservice.json

189 ms

BrightcoveExperiences.js

BrightcoveExperiences.js

24 ms

QueryCart

QueryCart

197 ms

ds.js

ds.js

25 ms

mediasource-A137170-5712-4e83-b749-97d5a9c7d2561-c-3290.js

mediasource-A137170-5712-4e83-b749-97d5a9c7d2561-c-3290.js

26 ms

8128747a455cfb58495773ace9fe7bcf.js

8128747a455cfb58495773ace9fe7bcf.js

23 ms

99c0f54865493010d24b20bb1a8a83ec.js

99c0f54865493010d24b20bb1a8a83ec.js

44 ms

id

id

59 ms

57 ms

t_mobile.js

t_mobile.js

76 ms

json

json

22 ms

SmartPlayerAPI.js

SmartPlayerAPI.js

5 ms

87 ms

ajax

ajax

113 ms

ajax

ajax

114 ms

tmo_loader.gif

tmo_loader.gif

80 ms

tmo-logo156.png

tmo-logo156.png

46 ms

glyphicons-halflings.png

glyphicons-halflings.png

48 ms

medium-glyphicons-sprite.png

medium-glyphicons-sprite.png

77 ms

52844fb2-eeab-4f8f-a452-7ec45dfbdf64.woff

52844fb2-eeab-4f8f-a452-7ec45dfbdf64.woff

76 ms

inqChat.html

inqChat.html

97 ms

pixel.gif

pixel.gif

56 ms

38 ms

jssdk

jssdk

608 ms

gateway.min.js

gateway.min.js

102 ms

52 ms

12015924.js

12015924.js

45 ms

bk-coretag.js

bk-coretag.js

43 ms

1358406c534bc94d0a490d4d-adobeorg.xml

1358406c534bc94d0a490d4d-adobeorg.xml

30 ms

bat.js

bat.js

154 ms

3290

3290

29 ms

59da913a-f40f-446d-a5b7-14ba41aa17ac.js

59da913a-f40f-446d-a5b7-14ba41aa17ac.js

10 ms

1

1

161 ms

59da913a-f40f-446d-a5b7-14ba41aa17ac.js

59da913a-f40f-446d-a5b7-14ba41aa17ac.js

56 ms

WRf4.js

WRf4.js

55 ms

65 ms

site_343_default.js

site_343_default.js

330 ms

foresee_trigger.js

foresee_trigger.js

68 ms

28 ms

15156

15156

57 ms

b2c-lp-img-chicago-2-100-4GLTE.png

b2c-lp-img-chicago-2-100-4GLTE.png

235 ms

3 ms

16 ms

pix.js

pix.js

14 ms

set_partner_uid

set_partner_uid

42 ms

bk

bk

40 ms

pixel

pixel

40 ms

bk

bk

39 ms

bk

bk

38 ms

pix.js

pix.js

10 ms

32 ms

16365

16365

137 ms

usersync

usersync

27 ms

1

1

83 ms

rtset

rtset

86 ms

275 ms

pixel

pixel

97 ms

pxj

pxj

50 ms

15525

15525

134 ms

2981

2981

70 ms

16645

16645

190 ms

4499

4499

187 ms

rum

rum

50 ms

tap.php

tap.php

45 ms

3085

3085

196 ms

19505

19505

37 ms

26763

26763

102 ms

20931

20931

105 ms

pixel

pixel

27 ms

google

google

40 ms

src=4979526;type=invmedia;cat=h7znp5ux;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=1

src=4979526;type=invmedia;cat=h7znp5ux;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=1

61 ms

18 ms

21 ms

18 ms

152 ms

frameWorker.html

frameWorker.html

41 ms

foresee_frame_controller.js

foresee_frame_controller.js

21 ms

Accessibility Review

t-mobile-coverage.t-mobile.com accessibility score

98

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.

Best Practices

t-mobile-coverage.t-mobile.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

t-mobile-coverage.t-mobile.com SEO score

86

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

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

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 T-mobile-coverage.t-mobile.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 T-mobile-coverage.t-mobile.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

t-mobile-coverage.t-mobile.com

Open Graph description is not detected on the main page of T Mobile Coverage T. 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: