743 ms in total
114 ms
476 ms
153 ms
Welcome to americancenturies.mass.edu homepage info - get ready to check American Centuries Mass best content for United States right away, or after learning these important things about americancenturies.mass.edu
Explore artifacts from our museum and historic manuscripts from our library that reveal the history of New England.
Visit americancenturies.mass.eduWe analyzed Americancenturies.mass.edu page load time and found that the first response time was 114 ms and then it took 629 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
americancenturies.mass.edu performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.7 s
99/100
25%
Value1.2 s
100/100
10%
Value460 ms
62/100
30%
Value0
100/100
15%
Value1.8 s
100/100
10%
114 ms
61 ms
105 ms
34 ms
55 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Americancenturies.mass.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (195 ms) belongs to the original domain Americancenturies.mass.edu.
Page size can be reduced by 24.6 kB (17%)
144.7 kB
120.1 kB
In fact, the total size of Americancenturies.mass.edu main page is 144.7 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. 20% of websites need less resources to load. Images take 113.7 kB which makes up the majority of the site volume.
Potential reduce by 12.0 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 12.0 kB or 79% of the original size.
Potential reduce by 0 B
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. American Centuries Mass images are well optimized though.
Potential reduce by 2.0 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 2.0 kB or 68% of the original size.
Potential reduce by 10.6 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. Americancenturies.mass.edu needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 83% of the original size.
We found no issues to fix!
44
44
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of American Centuries Mass. According to our analytics all requests are already optimized.
americancenturies.mass.edu
114 ms
amcen_scripts.js
61 ms
am_cen.css
105 ms
topleft.gif
34 ms
forkids.jpg
55 ms
collection.gif
60 ms
icon_search.gif
87 ms
icon_browse.gif
79 ms
icon_1704artifacts.gif
87 ms
icon_shaysartifacts.gif
88 ms
todo.gif
123 ms
icon_lens.gif
86 ms
icon_tools.gif
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icon_dressup.gif
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icon_map.gif
112 ms
exhibits.gif
153 ms
icon_turns.gif
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icon_impressions.gif
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icon_1704.gif
134 ms
icon_shays.gif
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icon_a&c.gif
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icon_aa.gif
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icon_civilwar.gif
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classroom.gif
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icon_activities.gif
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icon_landmarks.gif
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icon_1stperson.gif
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icon_aalessons.gif
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icon_everyday.gif
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bkgnd_chaulk.gif
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dropdown_about.jpg
25 ms
dropdown_research1.jpg
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dropdown_research2.jpg
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dropdown_teach1.jpg
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dropdown_teach2.jpg
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forkids_up.jpg
33 ms
todo1.jpg
48 ms
todo2.jpg
55 ms
classroom_anim1.gif
86 ms
classroom1.jpg
63 ms
collection_anim.gif
92 ms
collection1.jpg
73 ms
collection_anim.gif
100 ms
collection2.gif
84 ms
forkids_up.jpg
90 ms
americancenturies.mass.edu 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
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
americancenturies.mass.edu 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
americancenturies.mass.edu 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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Americancenturies.mass.edu 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 Americancenturies.mass.edu main page’s claimed encoding is iso-8859-1. 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.
americancenturies.mass.edu
Open Graph description is not detected on the main page of American Centuries Mass. 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: