1.2 sec in total
173 ms
910 ms
115 ms
Click here to check amazing Ned Usgs content for United States. Otherwise, check out these important facts you probably never knew about ned.usgs.gov
Home pages of The National Map
Visit ned.usgs.govWe analyzed Ned.usgs.gov page load time and found that the first response time was 173 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
ned.usgs.gov performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value1.7 s
99/100
25%
Value3.0 s
94/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.7 s
100/100
10%
173 ms
158 ms
69 ms
196 ms
106 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ned.usgs.gov, 62% (34 requests) were made to Nationalmap.gov and 15% (8 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (400 ms) relates to the external source Nationalmap.gov.
Page size can be reduced by 323.5 kB (25%)
1.3 MB
958.4 kB
In fact, the total size of Ned.usgs.gov main page is 1.3 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. 25% of websites need less resources to load. Images take 799.8 kB which makes up the majority of the site volume.
Potential reduce by 15.5 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 3.7 kB, which is 18% 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 15.5 kB or 76% of the original size.
Potential reduce by 3.1 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. Ned Usgs images are well optimized though.
Potential reduce by 271.8 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 271.8 kB or 64% of the original size.
Potential reduce by 33.1 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. Ned.usgs.gov needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 86% of the original size.
Number of requests can be reduced by 38 (72%)
53
15
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ned Usgs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
ned.usgs.gov
173 ms
elevation.html
158 ms
lightbox.css
69 ms
jquery-1.11.0.min.js
196 ms
lightbox.js
106 ms
jquery.thumbnailScroller.css
74 ms
common.css
74 ms
tnm.css
74 ms
ie.css
104 ms
drop_down.js
108 ms
usgs-analytics.js
75 ms
jquery.extend.js
257 ms
JQuerySlider.js
181 ms
JQuerySlider16.js
141 ms
JQuerySlider16.css
143 ms
tnm_logo.jpg
144 ms
nav_spacer.jpg
176 ms
3dep1-400x350.jpg
381 ms
3dep2-400x350.jpg
330 ms
3dep3-400x350.jpg
357 ms
3dep4-400x350.jpg
400 ms
header_graphic_usgsIdentifier_white.jpg
107 ms
header_graphic_spacer.gif
202 ms
footer_graphic_usagov.jpg
118 ms
close.png
205 ms
loading.gif
224 ms
prev.png
241 ms
next.png
262 ms
custom.css
139 ms
foresee-trigger.js
121 ms
Universal-Federated-Analytics-Min.1.0.js
72 ms
usa-search.js
76 ms
ga.js
28 ms
elevation_banner.jpg
45 ms
button_back.jpg
43 ms
background.png
57 ms
nav_background.png
58 ms
nav_item_up.png
55 ms
back_button_up.png
56 ms
next_button_up.png
57 ms
play_button_up.png
57 ms
pause_button_up.png
86 ms
__utm.gif
14 ms
__utm.gif
9 ms
analytics.js
5 ms
iframe_api
47 ms
remote.loader.js
180 ms
collect
54 ms
collect
77 ms
collect
49 ms
collect
52 ms
collect
53 ms
collect
81 ms
collect
93 ms
www-widgetapi.js
18 ms
ned.usgs.gov accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
ned.usgs.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
ned.usgs.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ned.usgs.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 Ned.usgs.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.
ned.usgs.gov
Open Graph description is not detected on the main page of Ned Usgs. 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: