3.9 sec in total
355 ms
3 sec
544 ms
Visit pnnl.gov now to see the best up-to-date PNNL content for United States and also check out these interesting facts you probably never knew about pnnl.gov
PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges.
Visit pnnl.govWe analyzed Pnnl.gov page load time and found that the first response time was 355 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
pnnl.gov performance score
name
value
score
weighting
Value8.4 s
0/100
10%
Value14.5 s
0/100
25%
Value16.3 s
0/100
10%
Value42,310 ms
0/100
30%
Value0.102
89/100
15%
Value59.4 s
0/100
10%
355 ms
150 ms
157 ms
356 ms
229 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 84% of them (32 requests) were addressed to the original Pnnl.gov, 16% (6 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Pnnl.gov.
Page size can be reduced by 383.0 kB (4%)
10.0 MB
9.6 MB
In fact, the total size of Pnnl.gov main page is 10.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 9.8 MB which makes up the majority of the site volume.
Potential reduce by 19.6 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. This page needs HTML code to be minified as it can gain 6.0 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.6 kB or 78% of the original size.
Potential reduce by 248.3 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. PNNL images are well optimized though.
Potential reduce by 77.4 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 77.4 kB or 53% of the original size.
Potential reduce by 37.7 kB
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. Pnnl.gov needs all CSS files to be minified and compressed as it can save up to 37.7 kB or 80% of the original size.
Number of requests can be reduced by 21 (57%)
37
16
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PNNL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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pnnl.gov accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
pnnl.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
pnnl.gov SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pnnl.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Pnnl.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.
{{og_description}}
pnnl.gov
Open Graph description is not detected on the main page of PNNL. 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: