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AAOS.ORG

Load Performance

GET Requests · The number of requests for resources to load the page. aaos.org made 142 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. aaos.org made 66 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. aaos.org made 7 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 aaos.org was 8,247,865 bytes. The average is 2,247,876 bytes.
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Excellent
HTML Size · The size of the main HTML page for aaos.org was 66,231 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. aaos.org worse server latency is 334.1ms. 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. aaos.org worse RTT is 41.95ms. 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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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 AAOS.ORG scores.

Overall Score

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

Overall
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aaos.org scored 75% overall benchmark. Worse 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
🪟 Meta Viewport

Meta Viewport is missing or is configured in a way that it does not support mobile devices properly. 16% of sites tested have this issue.

🏷 Aria Label Issue

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

🦮 Alternative Image Text

The page has images with missing alternative text. 35% 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.

🎨 Color Contrast

The page has contrast issues which may affect accessibility. 58% of sites tested have this issue.

🖼 Image Sizes

Images on the page don't have width, height or aspect ratio. 72% of sites tested have this issue.