1.8 sec in total
38 ms
898 ms
816 ms
Visit sealevelrise.org now to see the best up-to-date Sea Level Rise content and also check out these interesting facts you probably never knew about sealevelrise.org
Sea level rise is speeding up and flooding has increased by an average of 233% in the last 20 years. Nationally, sea levels have risen 6.5 inches since 1950.
Visit sealevelrise.orgWe analyzed Sealevelrise.org page load time and found that the first response time was 38 ms and then it took 1.7 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.
sealevelrise.org performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value22.7 s
0/100
25%
Value5.4 s
57/100
10%
Value500 ms
58/100
30%
Value0.001
100/100
15%
Value7.9 s
43/100
10%
38 ms
353 ms
4 ms
10 ms
26 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 22% of them (6 requests) were addressed to the original Sealevelrise.org, 41% (11 requests) were made to Assets.sealevelrise.org and 7% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (353 ms) belongs to the original domain Sealevelrise.org.
Page size can be reduced by 106.9 kB (2%)
4.5 MB
4.4 MB
In fact, the total size of Sealevelrise.org main page is 4.5 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. 50% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.
Potential reduce by 104.1 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 104.1 kB or 84% of the original size.
Potential reduce by 0 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. Sea Level Rise images are well optimized though.
Potential reduce by 50 B
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 2.8 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. Sealevelrise.org has all CSS files already compressed.
Number of requests can be reduced by 8 (33%)
24
16
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sea Level Rise. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
sealevelrise.org
38 ms
sealevelrise.org
353 ms
style.min.css
4 ms
bundle.css
10 ms
font-awesome.min.css
26 ms
vendor.bundle.js
16 ms
app.bundle.js
91 ms
css
29 ms
css
42 ms
gtm.js
289 ms
analytics.js
288 ms
b311441af2bb6e5541f1f25f6a85ebb4-logo.png
208 ms
b9648a3fdb86d6c4276845072fd28f64-sea-level-rise-logo-mobile.svg
121 ms
fe23917ce7058088ad251a7ea05bbe9e-flooding.png
127 ms
8b7d253af7bb3e09e875d8f517721c32-map.png
218 ms
f0bd0bfe81f6ab5006d840402b7e3b0f-measurements-buoy.png
128 ms
26112027f4987924b8ecd58123558f4c-home-hero-GettyImages-920156838.jpg
150 ms
cd0976a645cc356897ea63b82c92398d-TX-hero-sunset.jpg
135 ms
af1833a25a132a284783d754d041910f-hp-hero.png
137 ms
981fd8b8348cf29adf303795caa7ff51-logo.png
128 ms
2f0773cf24eb26e6b982b62694182ad0-national-landing-hero.png
160 ms
2099b2f5e5d42d420ac2a543eadd659c-selector-background-sprite.png
133 ms
fontawesome-webfont.woff
31 ms
collect
13 ms
collect
27 ms
js
35 ms
ga-audiences
80 ms
sealevelrise.org 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
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.
sealevelrise.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sealevelrise.org SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sealevelrise.org 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 Sealevelrise.org 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.
sealevelrise.org
Open Graph data is detected on the main page of Sea Level Rise. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: