2.7 sec in total
377 ms
2.1 sec
176 ms
Welcome to subscribe.airspacemag.com homepage info - get ready to check Subscribe Air Space Mag best content for United States right away, or after learning these important things about subscribe.airspacemag.com
Visit subscribe.airspacemag.comWe analyzed Subscribe.airspacemag.com page load time and found that the first response time was 377 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
subscribe.airspacemag.com performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value8.3 s
2/100
25%
Value7.5 s
26/100
10%
Value200 ms
90/100
30%
Value0.179
67/100
15%
Value9.7 s
29/100
10%
377 ms
70 ms
137 ms
228 ms
171 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Subscribe.airspacemag.com, 9% (5 requests) were made to Gstatic.com and 7% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (583 ms) relates to the external source Powermusic.com.
Page size can be reduced by 523.8 kB (48%)
1.1 MB
575.0 kB
In fact, the total size of Subscribe.airspacemag.com main page is 1.1 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. 30% of websites need less resources to load. Javascripts take 774.4 kB which makes up the majority of the site volume.
Potential reduce by 32.4 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 5.9 kB, which is 14% 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 32.4 kB or 76% of the original size.
Potential reduce by 2.6 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. Subscribe Air Space Mag images are well optimized though.
Potential reduce by 476.4 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 476.4 kB or 62% of the original size.
Potential reduce by 12.4 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. Subscribe.airspacemag.com needs all CSS files to be minified and compressed as it can save up to 12.4 kB or 73% of the original size.
Number of requests can be reduced by 37 (74%)
50
13
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Subscribe Air Space Mag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sub.php
377 ms
validator_proto.js
70 ms
primary.js
137 ms
prototype.js
228 ms
common.js
171 ms
scriptaculous.css
171 ms
builder.js
173 ms
effects.js
176 ms
dragdrop.js
204 ms
controls.js
241 ms
slider.js
240 ms
jquery-1.9.1.min.js
348 ms
2009_redesign.css
241 ms
conversion.js
39 ms
203279902.js
243 ms
api.js
39 ms
gtm.js
97 ms
76 ms
cvv.gif
583 ms
smithsonian_com.gif
75 ms
title_image_236.png
74 ms
arrow_for_error_note.gif
90 ms
button_submit_order.gif
89 ms
image_236.png
410 ms
background_header_top.gif
96 ms
background_header_top_left.gif
99 ms
header_shadow.gif
108 ms
background_section_title_left.gif
89 ms
background_section_title_right.gif
113 ms
38 ms
recaptcha__en.js
83 ms
background_gray_box_top_left.gif
153 ms
background_gray_box_top_right.gif
155 ms
background_gray_box_bottom_left.gif
155 ms
background_gray_box_bottom_right.gif
160 ms
dc.js
82 ms
ga.js
110 ms
analytics.js
108 ms
fallback
35 ms
__utm.gif
15 ms
__utm.gif
22 ms
__utm.gif
26 ms
fallback__ltr.css
19 ms
payload
21 ms
ec.js
17 ms
collect
12 ms
css
53 ms
collect
14 ms
logo_48.png
14 ms
refresh.png
19 ms
audio.png
28 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
69 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
85 ms
roundtrip.js
202 ms
subscribe.airspacemag.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
subscribe.airspacemag.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
Page has valid source maps
subscribe.airspacemag.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Subscribe.airspacemag.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 Subscribe.airspacemag.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.
subscribe.airspacemag.com
Open Graph description is not detected on the main page of Subscribe Air Space Mag. 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: