2.5 sec in total
235 ms
1.8 sec
441 ms
Visit alienswarm.com now to see the best up-to-date Alien Swarm content and also check out these interesting facts you probably never knew about alienswarm.com
Co-operative multiplayer game and complete code base available for free.
Visit alienswarm.comWe analyzed Alienswarm.com page load time and found that the first response time was 235 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 40% of websites can load faster.
alienswarm.com performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value11.1 s
0/100
25%
Value7.1 s
31/100
10%
Value830 ms
35/100
30%
Value0.692
7/100
15%
Value17.9 s
3/100
10%
235 ms
853 ms
35 ms
25 ms
46 ms
Our browser made a total of 112 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Alienswarm.com, 60% (67 requests) were made to Store.akamai.steamstatic.com and 38% (42 requests) were made to Cdn.akamai.steamstatic.com. The less responsive or slowest element that took the longest time to load (853 ms) relates to the external source Store.steampowered.com.
Page size can be reduced by 758.4 kB (58%)
1.3 MB
541.6 kB
In fact, the total size of Alienswarm.com main page is 1.3 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. 60% of websites need less resources to load. Javascripts take 435.1 kB which makes up the majority of the site volume.
Potential reduce by 99.5 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 99.5 kB or 83% of the original size.
Potential reduce by 52.4 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, Alien Swarm needs image optimization as it can save up to 52.4 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 323.2 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 323.2 kB or 74% of the original size.
Potential reduce by 283.3 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. Alienswarm.com needs all CSS files to be minified and compressed as it can save up to 283.3 kB or 82% of the original size.
Number of requests can be reduced by 37 (35%)
107
70
The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alien Swarm. 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 from 10 to 1 for CSS and as a result speed up the page load time.
alienswarm.com
235 ms
853 ms
motiva_sans.css
35 ms
shared_global.css
25 ms
buttons.css
46 ms
store.css
38 ms
user_reviews.css
50 ms
store_game_shared.css
50 ms
game.css
54 ms
recommended.css
68 ms
apphub.css
77 ms
shared_responsive.css
85 ms
jquery-1.8.3.min.js
93 ms
tooltip.js
127 ms
shared_global.js
127 ms
main.js
125 ms
dynamicstore.js
139 ms
jquery.appear.js
138 ms
gamehighlightplayer.js
138 ms
user_reviews.js
148 ms
dselect.js
149 ms
app_tagging.js
146 ms
game.js
152 ms
swfobject.js
155 ms
shared_responsive_adapter.js
150 ms
ga.js
129 ms
page_bg_generated_v6b.jpg
168 ms
logo_valve_footer.png
55 ms
local_menu_hamburger.png
56 ms
header_menu_hamburger.png
55 ms
header_logo.png
58 ms
globalheader_logo.png
55 ms
btn_header_installsteam_green.png
56 ms
btn_arrow_down_padded.png
57 ms
btn_arrow_down_padded.png
57 ms
store_header_search.png
57 ms
blank.gif
57 ms
game_page_background_shadow.png
56 ms
game_highlight_image_spacer.gif
56 ms
game_highlight_activethumb.png
56 ms
ico_game_highlight_video.png
55 ms
icon_cluster_controls.png
55 ms
ico_singlePlayer.png
55 ms
ico_multiPlayer.png
55 ms
ico_coop.png
56 ms
ico_achievements.png
55 ms
ico_cc.png
55 ms
ico_cloud.png
56 ms
ico_stats.png
56 ms
ico_editor.png
56 ms
ico_bluecheck.png
56 ms
ico_external_link.gif
57 ms
icons_16.png
57 ms
mc_logo_inverted_small.png
57 ms
iconExternalLink.gif
57 ms
icon_platform_win.png
58 ms
maincol_gradient_rule.png
59 ms
group_border_32.png
58 ms
67126b5081b423af53f5e88e8e81d91b15daa644.jpg
112 ms
header.jpg
144 ms
movie.184x123.jpg
113 ms
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259 ms
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256 ms
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358 ms
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259 ms
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353 ms
throbber.gif
50 ms
comment_quoteicon.png
50 ms
icon_thumbsUp_v6.png
51 ms
facebook.gif
51 ms
twitter.gif
50 ms
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354 ms
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351 ms
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443 ms
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429 ms
reddit.gif
67 ms
ico_rss2.gif
67 ms
logo_valve_footer.png
68 ms
ico_facebook.gif
66 ms
ico_twitter.gif
66 ms
motiva-sans.woff
50 ms
motiva-sans-light.woff
51 ms
motiva-sans-thin.woff
50 ms
capsule_184x69.jpg
146 ms
capsule_184x69.jpg
136 ms
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139 ms
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150 ms
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236 ms
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509 ms
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301 ms
alienswarm.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
Heading elements are not in a sequentially-descending order
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
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>).
alienswarm.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
alienswarm.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alienswarm.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 Alienswarm.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.
alienswarm.com
Open Graph description is not detected on the main page of Alien Swarm. 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: