1.7 sec in total
217 ms
1.4 sec
145 ms
Welcome to itis.gov homepage info - get ready to check Itis best content for United States right away, or after learning these important things about itis.gov
Hosted by the USGS Core Science Analytics and Synthesis. Page designed through the cooperative efforts of interagency ITIS Teams. Point of Contact: itiswebmaster@itis.gov.
Visit itis.govWe analyzed Itis.gov page load time and found that the first response time was 217 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
itis.gov performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value3.6 s
60/100
25%
Value4.1 s
79/100
10%
Value320 ms
76/100
30%
Value0.003
100/100
15%
Value6.8 s
55/100
10%
217 ms
472 ms
109 ms
270 ms
139 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 55% of them (18 requests) were addressed to the original Itis.gov, 15% (5 requests) were made to Google-analytics.com and 12% (4 requests) were made to Usgs.gov. The less responsive or slowest element that took the longest time to load (472 ms) belongs to the original domain Itis.gov.
Page size can be reduced by 193.4 kB (63%)
309.1 kB
115.7 kB
In fact, the total size of Itis.gov main page is 309.1 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. 15% of websites need less resources to load. Javascripts take 269.1 kB which makes up the majority of the site volume.
Potential reduce by 23.1 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. This page needs HTML code to be minified as it can gain 7.5 kB, which is 26% 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 23.1 kB or 81% of the original size.
Potential reduce by 28 B
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. Itis images are well optimized though.
Potential reduce by 163.0 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 163.0 kB or 61% of the original size.
Potential reduce by 7.2 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. Itis.gov needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 82% of the original size.
Number of requests can be reduced by 23 (74%)
31
8
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
itis.gov
217 ms
www.itis.gov
472 ms
itisstyle.css
109 ms
jquery-1.7.min.js
270 ms
superfish.js
139 ms
supersubs.js
159 ms
jquery.hoverIntent.minified.js
144 ms
superfish.css
147 ms
superfish-vertical.css
208 ms
usgs-analytics.js
130 ms
foresee-trigger.js
405 ms
Universal-Federated-Analytics-Min.1.0.js
119 ms
usa-search.js
82 ms
ga.js
44 ms
bg.gif
123 ms
maintoplogo.gif
198 ms
homebanner.gif
85 ms
spacer.gif
136 ms
leftbar.gif
90 ms
feed-icon-14x14.png
179 ms
bar.gif
185 ms
arrows-ffffff.png
153 ms
shadow.png
184 ms
__utm.gif
12 ms
remote.loader.js
174 ms
analytics.js
12 ms
iframe_api
57 ms
collect
55 ms
collect
64 ms
collect
54 ms
collect
64 ms
www-widgetapi.js
21 ms
stats.js
80 ms
itis.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.
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
itis.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
itis.gov SEO score
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itis.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 Itis.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.
itis.gov
Open Graph description is not detected on the main page of Itis. 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: