Tools & Wizards About Us
www-td.fnal.gov screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

www-td.fnal.gov

Applied Physics and Superconducting Technology Directorate

Page Load Speed

843 ms in total

First Response

167 ms

Resources Loaded

549 ms

Page Rendered

127 ms

www-td.fnal.gov screenshot

About Website

Visit www-td.fnal.gov now to see the best up-to-date Www Td Fnal content for China and also check out these interesting facts you probably never knew about www-td.fnal.gov

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Key Findings

We analyzed Www-td.fnal.gov page load time and found that the first response time was 167 ms and then it took 676 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

www-td.fnal.gov performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value89.6 s

0/100

25%

SI (Speed Index)

Value28.1 s

0/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.172

70/100

15%

TTI (Time to Interactive)

Value42.2 s

0/100

10%

Network Requests Diagram

www-td.fnal.gov

167 ms

styles.css

74 ms

menuhp.js

113 ms

tdqm_loader.js

94 ms

tbrowser_ns6.js

72 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 93% of them (14 requests) were addressed to the original Www-td.fnal.gov, 7% (1 request) were made to Fnal.gov. The less responsive or slowest element that took the longest time to load (176 ms) belongs to the original domain Www-td.fnal.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.1 kB (46%)

Content Size

109.1 kB

After Optimization

59.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www-td.fnal.gov main page is 109.1 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. Images take 49.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 26.0 kB

  • Original 29.2 kB
  • After minification 26.7 kB
  • After compression 3.2 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 26.0 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 32 B

  • Original 49.0 kB
  • After minification 49.0 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. Www Td Fnal images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 22.6 kB

  • Original 29.2 kB
  • After minification 20.3 kB
  • After compression 6.6 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 22.6 kB or 78% of the original size.

CSS Optimization

-84%

Potential reduce by 1.4 kB

  • Original 1.7 kB
  • After minification 1.4 kB
  • After compression 276 B

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. Www-td.fnal.gov needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Td Fnal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

www-td.fnal.gov

www-td.fnal.gov

167 ms

styles.css

styles.css

74 ms

menuhp.js

menuhp.js

113 ms

tdqm_loader.js

tdqm_loader.js

94 ms

tbrowser_ns6.js

tbrowser_ns6.js

72 ms

logotop.gif

logotop.gif

132 ms

top_left_green.gif

top_left_green.gif

90 ms

tdqm_pixel.gif

tdqm_pixel.gif

65 ms

spacer.gif

spacer.gif

83 ms

FNAL_header.gif

FNAL_header.gif

86 ms

home_images.jpg

home_images.jpg

176 ms

top_right_green.gif

top_right_green.gif

85 ms

bottom_left_green.gif

bottom_left_green.gif

96 ms

bottom_right_green.gif

bottom_right_green.gif

131 ms

TD_Final_rev_15.jpg

TD_Final_rev_15.jpg

137 ms

Accessibility Review

www-td.fnal.gov accessibility score

81

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

www-td.fnal.gov best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

www-td.fnal.gov SEO score

83

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-td.fnal.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 Www-td.fnal.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

www-td.fnal.gov

Open Graph description is not detected on the main page of Www Td Fnal. 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: