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Welcome to usahistory.info homepage info - get ready to check Usahistory best content for United States right away, or after learning these important things about usahistory.info
An online history of the USA, including maps, the stories of all the original colonies, colonial wars, and the American Revolution
Visit usahistory.infoWe analyzed Usahistory.info page load time and found that the first response time was 109 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
usahistory.info performance score
name
value
score
weighting
Value2.3 s
76/100
10%
Value3.3 s
68/100
25%
Value2.3 s
99/100
10%
Value120 ms
97/100
30%
Value0.171
70/100
15%
Value4.2 s
85/100
10%
109 ms
72 ms
9 ms
7 ms
60 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 12% of them (6 requests) were addressed to the original Usahistory.info, 12% (6 requests) were made to C.betrad.com and 10% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (190 ms) relates to the external source Cache.specificmedia.com.
Page size can be reduced by 105.2 kB (56%)
187.7 kB
82.5 kB
In fact, the total size of Usahistory.info main page is 187.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 154.3 kB which makes up the majority of the site volume.
Potential reduce by 8.3 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 8.3 kB or 69% of the original size.
Potential reduce by 2.8 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, Usahistory needs image optimization as it can save up to 2.8 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 94.1 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 94.1 kB or 61% of the original size.
Number of requests can be reduced by 28 (61%)
46
18
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usahistory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
usahistory.info
109 ms
history-bg.gif
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show_ads.js
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urchin.js
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osd.js
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activityi;src=4236808;type=invmedia;cat=qk1cfvwl;ord=-1969213947
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activityi;src=4236808;type=invmedia;cat=aoyjbkr6;ord=-1969213947
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activityi;src=4236808;type=invmedia;cat=ijhardnr;ord=-1969213947
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activityi;src=4236808;type=invmedia;cat=4ztf2oue;ord=-1969213947
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a.js;p=11022203414307;a=11022203414409;idfa=;idfa_lat=;aaid=;aaid_lat=;cache=1458463744
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usahistory.info 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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
usahistory.info 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
Page has valid source maps
usahistory.info 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
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usahistory.info 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 Usahistory.info main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
usahistory.info
Open Graph description is not detected on the main page of Usahistory. 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: