43.5 sec in total
201 ms
14.9 sec
28.3 sec
Click here to check amazing Space Weather content for United States. Otherwise, check out these important facts you probably never knew about spaceweather.com
Visit spaceweather.comWe analyzed Spaceweather.com page load time and found that the first response time was 201 ms and then it took 43.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
spaceweather.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value2.7 s
84/100
25%
Value7.5 s
27/100
10%
Value6,730 ms
0/100
30%
Value0.004
100/100
15%
Value11.8 s
17/100
10%
201 ms
53 ms
3351 ms
3335 ms
3526 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 87% of them (74 requests) were addressed to the original Spaceweather.com, 4% (3 requests) were made to Pagead2.googlesyndication.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Staticxx.facebook.com.
Page size can be reduced by 1.2 MB (23%)
5.3 MB
4.1 MB
In fact, the total size of Spaceweather.com main page is 5.3 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. 70% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.
Potential reduce by 121.6 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. This page needs HTML code to be minified as it can gain 41.2 kB, which is 30% 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 121.6 kB or 88% of the original size.
Potential reduce by 556.0 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, Space Weather needs image optimization as it can save up to 556.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 508.6 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 508.6 kB or 64% of the original size.
Potential reduce by 51.0 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. Spaceweather.com needs all CSS files to be minified and compressed as it can save up to 51.0 kB or 76% of the original size.
Number of requests can be reduced by 16 (19%)
84
68
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Space Weather. 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 as a result speed up the page load time.
spaceweather.com
201 ms
sw4_styles.css
53 ms
show_ads.js
3351 ms
ga.js
3335 ms
sdk.js
3526 ms
spacer.gif
2231 ms
sw4_header_slcntxt_r1_c1.jpg
2204 ms
sw4_header_slcntxt_r1_c4.jpg
2391 ms
subscribe_news_trans.gif
2392 ms
sw4_header_slcntxt_r2_c1.jpg
2235 ms
sw4_header_slcntxt_r2_c2.jpg
2462 ms
swcom_title.gif
2430 ms
sw4_header_slcntxt_r2_c3.jpg
2460 ms
sw4_header_slcntxt_r3_c2.jpg
2429 ms
navmenu_2015.jpg
2548 ms
left_table_top.jpg
2461 ms
left_tablebg_middle.jpg
2502 ms
current_conditions.jpg
2484 ms
gray_gradient_line.jpg
2485 ms
hmi200.gif
2521 ms
red_left_markerline.jpg
2520 ms
usa_thumb.jpg
2572 ms
coronalhole_sdo_200.gif
2575 ms
daisy_thumb.gif
2573 ms
corner_sunbeams_rebuilt.png
2572 ms
left_tablebg_bottom.jpg
2572 ms
center_tablebg_top_r1_c1.jpg
2573 ms
center_tablebg_top_r1_c3.jpg
2687 ms
center_tablebg_top_r1_c4.jpg
2859 ms
center_tablebg_top_r2_c1.jpg
2613 ms
center_tablebg_top_r2_c2.jpg
2857 ms
center_tablebg_middle.jpg
2869 ms
lapland_ad2017_pixmap_ani2.gif
2889 ms
BerntOlsen1_strip.jpg
2942 ms
watchthis.gif
2945 ms
rose_composite_strip.jpg
2942 ms
fireballs_tablebg.jpg
2872 ms
orbits_strip.gif
2856 ms
neo_satellite_tablebg.jpg
2837 ms
cosmicrays_tablebg2.jpg
2856 ms
everything_11sep16_strip.png
1556 ms
radplot_strip.png
1660 ms
links_binos_tablebg.jpg
1324 ms
link_button_graphic.gif
1326 ms
vertical_gradient_line.jpg
1305 ms
archives_title_white.jpg
1256 ms
alaskaphoto.gif
1256 ms
clearysummit.jpg
1398 ms
friedman_2016_pixmap2.jpg
1396 ms
daystar.gif
1432 ms
youngsphoto_icon_pixmap.jpg
1346 ms
josh_simpson_newplanets.jpg
1380 ms
aurora_phototours_pixmap.jpg
1346 ms
nightskyalerts.jpg
1310 ms
miketaylor.jpg
1345 ms
Gateway-to-Iceland_banner.gif
1310 ms
aurorazone.gif
1294 ms
rings2.jpg
1346 ms
advancesystems.png
1293 ms
AuroraHolidays_new.png
1346 ms
toddsalat2.gif
1508 ms
investorpanda.png
1291 ms
promocodewatch.jpg
1233 ms
socialseo.png
1387 ms
protoolzone.jpg
1384 ms
atc.jpg
1384 ms
emfurn2.jpg
1374 ms
youradhere_icon_pixmap.gif
1368 ms
swalerts_icon_white_pixmap.gif
1391 ms
vividress.jpg
1391 ms
metak_grain_color_sorter.png
1373 ms
center_tablebg_bottom.jpg
1372 ms
footer_gradient.jpg
1341 ms
daveparkhurst3.gif
1341 ms
submityourimages_icon_white_pixmap.gif
1337 ms
peterrosen_banner2.gif
3068 ms
HC-background.jpg
2896 ms
__utm.gif
1503 ms
zrt_lookup.html
5304 ms
show_ads_impl.js
325 ms
5096 ms
0sTQzbapM8j.js
4296 ms
0sTQzbapM8j.js
5392 ms
ads
3211 ms
osd.js
3352 ms
spaceweather.com 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
Form elements do not have associated labels
Links do not have a discernible name
spaceweather.com 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
spaceweather.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spaceweather.com 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 Spaceweather.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.
spaceweather.com
Open Graph description is not detected on the main page of Space Weather. 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: