5.8 sec in total
545 ms
4.5 sec
844 ms
Click here to check amazing Gcmrc content. Otherwise, check out these important facts you probably never knew about gcmrc.gov
The Southwest Biological Science Center measures effects of Glen Canyon Dam operations on downstream Colorado River resources. We also work to understand river ecosystems in the southwest U.S. and con...
Visit gcmrc.govWe analyzed Gcmrc.gov page load time and found that the first response time was 545 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
gcmrc.gov performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value6.4 s
9/100
25%
Value10.2 s
8/100
10%
Value340 ms
74/100
30%
Value0
100/100
15%
Value13.3 s
12/100
10%
545 ms
351 ms
4 ms
1804 ms
151 ms
Our browser made a total of 158 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Gcmrc.gov, 80% (127 requests) were made to Usgs.gov and 6% (9 requests) were made to D9-wret.s3.us-west-2.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Usgs.gov.
Page size can be reduced by 165.1 kB (8%)
2.1 MB
1.9 MB
In fact, the total size of Gcmrc.gov main page is 2.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 147.3 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 37.6 kB, which is 22% 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 147.3 kB or 87% of the original size.
Potential reduce by 3.8 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. Gcmrc images are well optimized though.
Potential reduce by 10.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 3.9 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. Gcmrc.gov has all CSS files already compressed.
Number of requests can be reduced by 120 (85%)
141
21
The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gcmrc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 76 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.
gcmrc.gov
545 ms
351 ms
gcmrc
4 ms
gcmrc
1804 ms
gtm.js
151 ms
core.css
46 ms
controlgroup.css
87 ms
checkboxradio.css
87 ms
resizable.css
89 ms
button.css
97 ms
dialog.css
98 ms
ajax-progress.module.css
95 ms
align.module.css
98 ms
autocomplete-loading.module.css
97 ms
fieldgroup.module.css
99 ms
container-inline.module.css
98 ms
clearfix.module.css
100 ms
details.module.css
98 ms
hidden.module.css
98 ms
item-list.module.css
96 ms
js.module.css
99 ms
nowrap.module.css
108 ms
position-container.module.css
108 ms
progress.module.css
109 ms
reset-appearance.module.css
101 ms
resize.module.css
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sticky-header.module.css
105 ms
system-status-counter.css
106 ms
system-status-report-counters.css
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system-status-report-general-info.css
113 ms
tabledrag.module.css
111 ms
tablesort.module.css
115 ms
tree-child.module.css
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responsive-table-filter.css
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tabs.css
110 ms
theme.css
231 ms
addtoany.css
115 ms
extlink.css
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improved_multi_select.css
115 ms
paragraphs.unpublished.css
117 ms
all.css
302 ms
IMG_0062_MikeMoranPhoto.JPG
1005 ms
page.js
99 ms
big-bend-natl-park-lidar-dave-dean.JPG
999 ms
View2.JPG
1000 ms
styles.css
149 ms
jquery.min.js
102 ms
css.escape.js
99 ms
jquery.once.min.js
96 ms
drupalSettingsLoader.js
86 ms
drupal.js
83 ms
drupal.init.js
81 ms
version-min.js
79 ms
data-min.js
80 ms
disable-selection-min.js
137 ms
escape-selector-min.js
135 ms
focusable-min.js
133 ms
form-min.js
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ie-min.js
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jquery-1-7-min.js
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keycode-min.js
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plugin-min.js
131 ms
safe-active-element-min.js
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safe-blur-min.js
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scroll-parent-min.js
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unique-id-min.js
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widget-min.js
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controlgroup-min.js
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form-reset-mixin-min.js
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labels-min.js
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mouse-min.js
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checkboxradio-min.js
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draggable-min.js
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resizable-min.js
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button-min.js
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dialog-min.js
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index.umd.min.js
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addtoany.js
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extlink.js
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improved_multi_select.js
153 ms
uswds.min.js
128 ms
usgs-tables.js
113 ms
usgs-tantalum.js
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jquery.tabbable.shim.js
121 ms
tabs-min.js
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usgs-tabs.js
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masonry.pkgd.min.js
119 ms
usgs-masonry.js
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slick.min.js
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dotdotdot.js
74 ms
usgs-truncate.js
74 ms
usgs-carousel.js
71 ms
usgs-transcript.js
70 ms
mobile-nav.js
74 ms
back-to-top.js
71 ms
group-topic-view.js
70 ms
progress.js
358 ms
ajax.js
358 ms
debounce.js
66 ms
displace.js
151 ms
position.js
67 ms
dialog.js
150 ms
dialog.position.js
269 ms
dialog.jquery-ui.js
364 ms
dialog.ajax.js
268 ms
hotjar-606685.js
660 ms
webmon.js
659 ms
tltagv.js
249 ms
config.js
247 ms
MathJax.js
343 ms
setup.js
351 ms
us_flag_small.png
650 ms
icon-dot-gov.svg
725 ms
icon-https.svg
713 ms
usgs_logo.png
712 ms
expand_more.svg
635 ms
search.png
603 ms
menu.png
605 ms
back-top.png
603 ms
facebook.svg
605 ms
twitter.svg
607 ms
youtube.svg
610 ms
instagram.svg
618 ms
rss_feed.svg
611 ms
PublicSans-Regular.woff
402 ms
PublicSans-Light.woff
405 ms
PublicSans-SemiBold.woff
400 ms
PublicSans-Bold.woff
403 ms
Latin-Merriweather-Regular.woff
405 ms
Latin-Merriweather-Light.woff
413 ms
Latin-Merriweather-Bold.woff
406 ms
PublicSans-Italic.woff
407 ms
PublicSans-LightItalic.woff
407 ms
PublicSans-SemiBoldItalic.woff
411 ms
PublicSans-BoldItalic.woff
410 ms
fa-solid-900.woff
412 ms
fa-regular-400.woff
413 ms
eso.e18d3993.js
407 ms
TeX-AMS-MML_HTMLorMML.js
392 ms
sm.23.html
144 ms
20130710_AZ_GlenCanyon_dherasimtschuk%20_96A6951-MODIFIED-LARGE%20IMAGE.png
494 ms
Colorado_River_Grand_Canyon_Mike_Moran_USGS.jpg
394 ms
Lake%20Powell_SBSC_research_boat.jpg
394 ms
20190826_AZ_GrandCanyonBugWork2_DHerasimtschuk%20_DSC1053_0.jpg
418 ms
KwaguntMarsh_1965To2013_edit-01.jpg
558 ms
canyon-release-full.jpg
574 ms
Universal-Federated-Analytics-Min.js
137 ms
modules.61e17720cf639c3e96a7.js
223 ms
icons.30.svg.js
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analytics.js
172 ms
iframe_api
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box-69edcc3187336f9b0a3fbb4c73be9fe6.html
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accessibility-menu.js
141 ms
collect
67 ms
collect
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collect
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www-widgetapi.js
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gcmrc.gov accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
ARIA IDs are not unique
gcmrc.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
gcmrc.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gcmrc.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 Gcmrc.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.
gcmrc.gov
Open Graph description is not detected on the main page of Gcmrc. 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: