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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

nist.time.gov

National Institute of Standards and Technology | NIST

Page Load Speed

559 ms in total

First Response

93 ms

Resources Loaded

322 ms

Page Rendered

144 ms

nist.time.gov screenshot

About Website

Visit nist.time.gov now to see the best up-to-date NIST Time content for United States and also check out these interesting facts you probably never knew about nist.time.gov

NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.

Visit nist.time.gov

Key Findings

We analyzed Nist.time.gov page load time and found that the first response time was 93 ms and then it took 466 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

nist.time.gov performance score

0

Network Requests Diagram

nist.time.gov

93 ms

embed-compressed.js

26 ms

bgndteal.gif

76 ms

LFCdhtml.js

70 ms

starstripe-bg.jpg

105 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 27% of them (4 requests) were addressed to the original Nist.time.gov, 73% (11 requests) were made to Time.gov. The less responsive or slowest element that took the longest time to load (108 ms) relates to the external source Time.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 502.3 kB (76%)

Content Size

663.4 kB

After Optimization

161.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nist.time.gov main page is 663.4 kB. 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 5% of websites need less resources to load. Javascripts take 623.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.9 kB

  • Original 14.0 kB
  • After minification 12.9 kB
  • After compression 4.2 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 9.9 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 90 B

  • Original 26.0 kB
  • After minification 25.9 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. NIST Time images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 492.3 kB

  • Original 623.3 kB
  • After minification 614.3 kB
  • After compression 131.0 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 492.3 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIST Time. According to our analytics all requests are already optimized.

Network Requests Diagram

nist.time.gov

nist.time.gov

93 ms

embed-compressed.js

embed-compressed.js

26 ms

bgndteal.gif

bgndteal.gif

76 ms

LFCdhtml.js

LFCdhtml.js

70 ms

starstripe-bg.jpg

starstripe-bg.jpg

105 ms

starstripe.jpg

starstripe.jpg

105 ms

rightnow3.gif

rightnow3.gif

108 ms

horz2line.gif

horz2line.gif

105 ms

night.jpg

night.jpg

107 ms

sunshine.gif

sunshine.gif

107 ms

timeby.gif

timeby.gif

107 ms

privacyc.gif

privacyc.gif

107 ms

timeexhibits_sm.gif

timeexhibits_sm.gif

107 ms

170N.jpg

170N.jpg

108 ms

nist_time.lzx.js

nist_time.lzx.js

51 ms

SEO Factors

nist.time.gov SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nist.time.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nist.time.gov 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

nist.time.gov

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