3.4 sec in total
408 ms
2.3 sec
707 ms
Welcome to openweathermap.com homepage info - get ready to check Open Weather Map best content for United States right away, or after learning these important things about openweathermap.com
Get current weather, hourly forecast, daily forecast for 16 days, and 3-hourly forecast 5 days for your city. Historical weather data for 40 years back for any coordinate. Helpful stats, graphics, and...
Visit openweathermap.comWe analyzed Openweathermap.com page load time and found that the first response time was 408 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster. This domain responded with an error, which can significantly jeopardize Openweathermap.com rating and web reputation
openweathermap.com performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value15.3 s
0/100
25%
Value8.3 s
19/100
10%
Value530 ms
55/100
30%
Value0.108
87/100
15%
Value13.4 s
11/100
10%
408 ms
204 ms
248 ms
881 ms
762 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 38% of them (20 requests) were addressed to the original Openweathermap.com, 11% (6 requests) were made to B.maps.owm.io and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (977 ms) belongs to the original domain Openweathermap.com.
Page size can be reduced by 795.0 kB (19%)
4.2 MB
3.4 MB
In fact, the total size of Openweathermap.com main page is 4.2 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. 60% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 48.8 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 8.0 kB, which is 13% 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 48.8 kB or 80% of the original size.
Potential reduce by 696.5 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. Obviously, Open Weather Map needs image optimization as it can save up to 696.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 49.7 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 49.7 kB or 32% of the original size.
Potential reduce by 65 B
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. Openweathermap.com needs all CSS files to be minified and compressed as it can save up to 65 B or 27% of the original size.
Number of requests can be reduced by 13 (28%)
46
33
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Weather Map. 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.
openweathermap.com
408 ms
70a60c128cef9af892512b63a908cc49-1456039778
204 ms
8fe3ca7be900f2e412aa9e32d4c0c5cd-1402933099
248 ms
css
881 ms
css
762 ms
d101692439773a09e020146fe251340a-1400776594
496 ms
b7eb41e2d0a01892b96d0bca3d4594e5-1400774443
727 ms
adsbygoogle.js
7 ms
cd70f72c4911208557ac5aa4ffda7623-1393649958
320 ms
1f267b7d68c9a2b5e545f6efaa3d1821-1391751372
362 ms
ga.js
124 ms
watch.js
666 ms
09n.png
244 ms
logo_OpenWeatherMap_orange_website.png
111 ms
owm_weather.png
901 ms
owm_precipitation.png
648 ms
satellite.png
977 ms
slide-1.jpg
368 ms
fontawesome-webfont.woff
366 ms
ca-pub-9649553505534207.js
93 ms
zrt_lookup.html
299 ms
show_ads_impl.js
84 ms
forecast
145 ms
days
389 ms
style.css
508 ms
ads
308 ms
osd.js
160 ms
10n.png
94 ms
10d.png
181 ms
5.png
327 ms
5.png
427 ms
6.png
306 ms
6.png
375 ms
5.png
368 ms
5.png
406 ms
6.png
233 ms
6.png
233 ms
5.png
336 ms
5.png
336 ms
6.png
319 ms
6.png
318 ms
css
99 ms
m_js_controller.js
76 ms
abg.js
75 ms
advert.gif
127 ms
favicon
75 ms
nessie_icon_tiamat_white.png
39 ms
s
25 ms
googlelogo_color_112x36dp.png
46 ms
x_button_blue2.png
14 ms
MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js
7 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
69 ms
1
92 ms
openweathermap.com accessibility score
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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
openweathermap.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the geolocation permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
openweathermap.com 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
Image elements do not have [alt] attributes
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 Openweathermap.com 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 Openweathermap.com 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.
openweathermap.com
Open Graph description is not detected on the main page of Open Weather Map. 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: