2.5 sec in total
462 ms
1.9 sec
110 ms
Welcome to hydrology.pnnl.gov homepage info - get ready to check Hydrology PNNL best content for United States right away, or after learning these important things about hydrology.pnnl.gov
Visit hydrology.pnnl.govWe analyzed Hydrology.pnnl.gov page load time and found that the first response time was 462 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
hydrology.pnnl.gov performance score
name
value
score
weighting
Value8.5 s
0/100
10%
Value28.0 s
0/100
25%
Value11.2 s
5/100
10%
Value260 ms
83/100
30%
Value0.127
82/100
15%
Value17.0 s
4/100
10%
462 ms
228 ms
307 ms
80 ms
372 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 11% of them (3 requests) were addressed to the original Hydrology.pnnl.gov, 68% (19 requests) were made to Pnnl.gov and 14% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (526 ms) relates to the external source Pnnl.gov.
Page size can be reduced by 118.4 kB (62%)
191.6 kB
73.2 kB
In fact, the total size of Hydrology.pnnl.gov main page is 191.6 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. 15% of websites need less resources to load. Javascripts take 125.8 kB which makes up the majority of the site volume.
Potential reduce by 5.1 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 5.1 kB or 65% of the original size.
Potential reduce by 6.8 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. Obviously, Hydrology PNNL needs image optimization as it can save up to 6.8 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 82.3 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 82.3 kB or 65% of the original size.
Potential reduce by 24.2 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. Hydrology.pnnl.gov needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 78% of the original size.
Number of requests can be reduced by 18 (67%)
27
9
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hydrology 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 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
hydrology.pnnl.gov
462 ms
basic.css
228 ms
pnnl.css
307 ms
hydrology.css
80 ms
lightbox.css
372 ms
pnnl.js
526 ms
lightbox.js
447 ms
analytics.js
30 ms
hydrology_banner.jpg
236 ms
pnnl_logo_battelle.png
149 ms
doe_seal_plus_name.png
76 ms
search_button.png
76 ms
bullet_square.png
74 ms
subnav_header_bg.png
147 ms
related_bg.png
151 ms
related_header_bg.png
150 ms
email.png
147 ms
footer_tagline.png
149 ms
footer_right_corner.png
223 ms
offsite.gif
221 ms
linkid.js
3 ms
collect
12 ms
collect
13 ms
print.css
77 ms
handheld.css
76 ms
loading.gif
452 ms
overlay.png
80 ms
close.gif
526 ms
hydrology.pnnl.gov accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
hydrology.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
hydrology.pnnl.gov SEO score
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 Hydrology.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 Hydrology.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.
hydrology.pnnl.gov
Open Graph description is not detected on the main page of Hydrology 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: