2 sec in total
189 ms
1.6 sec
279 ms
Click here to check amazing Sev Lternet content for United States. Otherwise, check out these important facts you probably never knew about sev.lternet.edu
Visit sev.lternet.eduWe analyzed Sev.lternet.edu page load time and found that the first response time was 189 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
sev.lternet.edu performance score
name
value
score
weighting
Value0.8 s
100/100
10%
Value0.8 s
100/100
25%
Value0.8 s
100/100
10%
Value0 ms
100/100
30%
Value0.096
91/100
15%
Value0.8 s
100/100
10%
189 ms
132 ms
118 ms
123 ms
118 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Sev.lternet.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (947 ms) belongs to the original domain Sev.lternet.edu.
Page size can be reduced by 252.5 kB (25%)
1.0 MB
762.4 kB
In fact, the total size of Sev.lternet.edu main page is 1.0 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. Only 10% of websites need less resources to load. Images take 715.2 kB which makes up the majority of the site volume.
Potential reduce by 39.6 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. 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 39.6 kB or 80% of the original size.
Potential reduce by 22.1 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. Sev Lternet images are well optimized though.
Potential reduce by 129.6 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 129.6 kB or 75% of the original size.
Potential reduce by 61.2 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. Sev.lternet.edu needs all CSS files to be minified and compressed as it can save up to 61.2 kB or 78% of the original size.
Number of requests can be reduced by 10 (29%)
35
25
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sev Lternet. 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 8 to 1 for CSS and as a result speed up the page load time.
sev.lternet.edu
189 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
132 ms
css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
118 ms
css_0ysLgz1t7YXNG-pZBbLfRgHf2wHr0uLYvEZQnjgMvcU.css
123 ms
css_yYVvPPDeGR6A0XEl2gEMdpOWHbmBn5Tz3wnu02Ze6oA.css
118 ms
css_WkIQlS2V8h4Vh16HARhGTGX8u2nA_FzvuTZ5-DXLwaQ.css
111 ms
css_0n-px455ZKousvmwmvBbfhjfSGuW_yn-scJ0WXXSf88.css
130 ms
css_R29eaCMoUp8H6pGmuqS9mP2Q5PDWTkf9knWBpm5h0Tk.css
166 ms
css_aDdvEZz2SqH5U863kTTq2vBtAkXaQxxLgK5J-XRR7Cg.css
172 ms
js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js
283 ms
js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js
194 ms
js_NpX2cwCeepkWZZ194B6-ViyVBHleaYLOx5R9EWBOMRU.js
194 ms
js_SGud9qXJqVTIBBeQaljuijvMuIK6vMJzHnQkad1uSVk.js
243 ms
bg-wall.png
53 ms
header-tile.png
306 ms
header.png
56 ms
logo.png
198 ms
15_antelope3_0.jpg
161 ms
18_dcp_2558_0.jpg
206 ms
IMG_0062_0.jpg
206 ms
99_Ken_Hanson_sunset2_0.jpg
115 ms
Flux_west1%20copy.jpg
223 ms
11_C_Hickman_place_windmill_002.jpg
268 ms
DSC01893.jpg
947 ms
15_Plant_Caleb_Hickman_0.jpg
268 ms
S_Gate_Rain_1.JPG
265 ms
S_Creek1.jpg
329 ms
McKenzieFlats_front_0.jpg
372 ms
bullet-round.png
320 ms
unm_logo.jpg
321 ms
nsf_logo.jpg
356 ms
lter_logo.jpg
375 ms
fws_logo.jpg
375 ms
extlink_s.png
379 ms
arrows-ffffff.png
493 ms
shadow.png
430 ms
sev.lternet.edu 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
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
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sev.lternet.edu 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
sev.lternet.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Sev.lternet.edu 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 Sev.lternet.edu 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.
sev.lternet.edu
Open Graph description is not detected on the main page of Sev Lternet. 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: