4.9 sec in total
250 ms
2.8 sec
1.9 sec
Click here to check amazing Czech W Underground content for United States. Otherwise, check out these important facts you probably never knew about czech.wunderground.com
Weather Underground provides local & long-range weather forecasts, weather reports, maps & tropical weather conditions for locations worldwide
Visit czech.wunderground.comWe analyzed Czech.wunderground.com page load time and found that the first response time was 250 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
czech.wunderground.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value9.5 s
0/100
25%
Value13.0 s
2/100
10%
Value6,590 ms
0/100
30%
Value0.096
90/100
15%
Value30.4 s
0/100
10%
250 ms
176 ms
32 ms
99 ms
183 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Czech.wunderground.com, 72% (34 requests) were made to Wunderground.com and 9% (4 requests) were made to Api.weather.com. The less responsive or slowest element that took the longest time to load (820 ms) relates to the external source Fonts.gstatic.com.
Page size can be reduced by 188.6 kB (8%)
2.4 MB
2.2 MB
In fact, the total size of Czech.wunderground.com main page is 2.4 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 118.3 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 118.3 kB or 82% of the original size.
Potential reduce by 21.9 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. Czech W Underground images are well optimized though.
Potential reduce by 48.4 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 48.4 kB or 65% of the original size.
Potential reduce by 59 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. Czech.wunderground.com has all CSS files already compressed.
Number of requests can be reduced by 21 (51%)
41
20
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czech W Underground. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
czech.wunderground.com
250 ms
www.wunderground.com
176 ms
styles.35d0ae4ca8a2be628c65.css
32 ms
icon
99 ms
eum.min.js
183 ms
runtime-es2015.dd81382231b54511b4e6.js
81 ms
runtime-es5.dd81382231b54511b4e6.js
81 ms
polyfills-es5.a50f65b9fe40964fdbfa.js
190 ms
polyfills-es2015.965f31b88fc8f450e2c5.js
338 ms
scripts.93f12e1d851ab2ee4f9c.js
187 ms
main-es2015.a12f49c8f778896a441b.js
621 ms
main-es5.a12f49c8f778896a441b.js
340 ms
sprite-common-grid.png
536 ms
undefined
539 ms
sprite-common-vert.png
536 ms
0-es5.637830ea30a9ac3b28d1.js
105 ms
1-es5.c6887850a3608a78573a.js
225 ms
3-es5.a6cdbce8eac6ebc911a0.js
226 ms
5-es5.0f14c0be9fd1ef37791f.js
104 ms
6-es5.ce147206aa5f94fedd8f.js
109 ms
8-es5.b4a6944f006a8d750458.js
106 ms
7-es5.aaa12632a76bb0e578e5.js
109 ms
9-es5.30f3ec005ee023e5c07e.js
111 ms
12-es5.338913a5cc055a2dc2d1.js
108 ms
14-es5.4496f4fe0c380c8af1f0.js
113 ms
common-es5.a016a0ef8b0e0bf8533a.js
110 ms
57-es5.896c1203c9375d50b60d.js
115 ms
69-es5.5ea8897df863ea07d22f.js
109 ms
flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf
820 ms
sso
665 ms
dprSdkScript.js
625 ms
v3alertsHeadlines;v3-wx-observations-current;v3-location-point
594 ms
content-media
198 ms
solita.svg
70 ms
undefined
76 ms
ea-logo-desktop.svg
48 ms
ibm-8-bar.svg
36 ms
logo-ibm-twc-wu.svg
153 ms
point
177 ms
30.svg
138 ms
atlantic-27aug22-pm.jpg
181 ms
28.svg
118 ms
32.svg
120 ms
near
106 ms
TrinityRiverBA824.jpg
117 ms
freeze_0.png
116 ms
near
107 ms
czech.wunderground.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
Image elements do not have [alt] attributes
Links do not have a discernible name
czech.wunderground.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
czech.wunderground.com 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
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 Czech.wunderground.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 Czech.wunderground.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.
czech.wunderground.com
Open Graph description is not detected on the main page of Czech W Underground. 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: