Log In · Signup for Free
EN  DE  FR  ES  IT  Pусский  한국어  日本語  简体中文  عربي

ACM.ORG

Load Performance

GET Requests · The number of requests for resources to load the page. acm.org made 296 requests for various resources. The average is 170 requests to load a page.
🅱️
⭐
✅
Improve
Excellent
JavaScript Requests · The number of .js files that were loaded. acm.org made 81 requests for external JavaScript files. The average JavaScript file load is 55.
🅱️
⭐
✅
Improve
Excellent
Stylesheet Requests · The number of .css files that were loaded. acm.org made 17 requests for StyleSheets. The average CSS file request load is 7.
🅱️
⭐
✅
Improve
Excellent
Document Size · The total amount of data transferred when loading acm.org was 5,768,587 bytes. The average is 2,247,876 bytes.
🅱️
⭐
✅
Improve
Excellent
HTML Size · The size of the main HTML page for acm.org was 20,832 bytes. The average is 45,845 bytes.
🅱️
⭐
✅
Improve
Excellent
Maximum Server Latency · The worse delay in time when connecting to resources on the page. acm.org worse server latency is 275.57ms. The average worse server latency is 228.45ms.
🅱️
⭐
✅
Improve
Excellent
Maximum Round Trip Time · The worse case RTT time for the furthest away resource on the page. acm.org worse RTT is 25.23ms. The average worse RTT is 71.19ms. All tests are carried out from Eastern USA.
⭐
Improve
Excellent

Page Performance

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

⭐ on the performance charts below represents where ACM.ORG scores.

Overall Score

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

Overall
🅱️
⭐
✅

acm.org scored 72% overall benchmark. Worse than the 81% average.

Performance
🅱️
⭐
✅
Best Practices
🅱️
⭐
✅
SEO
⭐
Accessibility
🅱️
⭐
✅
Filter by Performance

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

Issues
🤖 Robots.txt

Robots.txt file on this site was not valid when we visited it. 6% of sites tested have this issue.

🍫 Meta Description

The page is missing a meta description attribute, important for search engines. 12% of sites tested have this issue.

🪟 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.

🦮 Alternative Image Text

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

🖼 Image Sizes

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