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T-MOBILE.COM

Load Performance

GET Requests · The number of requests for resources to load the page. t-mobile.com made 230 requests for various resources. The average is 170 requests to load a page.
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Excellent
JavaScript Requests · The number of .js files that were loaded. t-mobile.com made 115 requests for external JavaScript files. The average JavaScript file load is 55.
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Excellent
Stylesheet Requests · The number of .css files that were loaded. t-mobile.com made 11 requests for StyleSheets. The average CSS file request load is 7.
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Excellent
Document Size · The total amount of data transferred when loading t-mobile.com was 2,051,736 bytes. The average is 2,247,876 bytes.
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Excellent
HTML Size · The size of the main HTML page for t-mobile.com was 47,277 bytes. The average is 45,845 bytes.
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Excellent
Maximum Server Latency · The worse delay in time when connecting to resources on the page. t-mobile.com worse server latency is 322.08ms. The average worse server latency is 228.45ms.
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Excellent
Maximum Round Trip Time · The worse case RTT time for the furthest away resource on the page. t-mobile.com worse RTT is 34.33ms. The average worse RTT is 71.19ms. All tests are carried out from Eastern USA.
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Excellent

Page Performance

First Render · The performance of rendering the webpage to the end user.
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⭐
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Excellent
Render Blocking Scripts · Scripts that block rendering of content to the page.
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Excellent
Layout Shift · The shifting of the content of the page as it loads images and other resources.
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Excellent
Page Redirects · Resource that delay by redirecting to other resources before loading.
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Excellent
HTTP2 · HTTP2 providers performance improvements over HTTP1.
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Excellent
Text Compression · Gzip and other compression algorithms to render content.
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Excellent
Minified JavaScript · Compressed and minified JavaScript resources.
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Excellent
Minified CSS · Compressed and minified CSS resources.
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Excellent
Duplicate JavaScript · JavaScript duplication across the site.
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Excellent
Unused CSS · CSS rules not used by the webpage.
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Excellent

⭐ on the performance charts below represents where T-MOBILE.COM scores.

Overall Score

Our scores are based on the average of our testing across top sites on the Internet.

Overall
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t-mobile.com scored 85% overall benchmark. Better than the 81% average.

Performance
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✅
Best Practices
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SEO
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Accessibility
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Filter by Performance

Use BuiltWith Pro to find sites using specific technologies that have poor, average and good performance. Learn More.

Issues
🏷 Aria Label Issue

Labels don't match their link text on the page. 31% of sites tested have this issue.

😁 Header Order

The page has H[x] elements that are not in the correct order. 37% of sites tested have this issue.

📄 Document Write

The page has document.write JavaScript which is considered bad. 41% of sites tested have this issue.

🔃 Unload Listeners

The page has an unload listener which affects browser memory caches. 44% of sites tested have this issue.