3.1 sec in total
540 ms
1.4 sec
1.2 sec
Click here to check amazing AP Gilder Lehrman content for United States. Otherwise, check out these important facts you probably never knew about ap.gilderlehrman.org
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Visit ap.gilderlehrman.orgWe analyzed Ap.gilderlehrman.org page load time and found that the first response time was 540 ms and then it took 2.5 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.
ap.gilderlehrman.org performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value19.7 s
0/100
25%
Value4.3 s
76/100
10%
Value860 ms
33/100
30%
Value0
100/100
15%
Value7.9 s
44/100
10%
540 ms
44 ms
16 ms
19 ms
26 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 46% of them (32 requests) were addressed to the original Ap.gilderlehrman.org, 14% (10 requests) were made to Player.vimeo.com and 9% (6 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (540 ms) belongs to the original domain Ap.gilderlehrman.org.
Page size can be reduced by 749.7 kB (17%)
4.5 MB
3.7 MB
In fact, the total size of Ap.gilderlehrman.org main page is 4.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.
Potential reduce by 14.4 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. 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 14.4 kB or 69% of the original size.
Potential reduce by 65.4 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. AP Gilder Lehrman images are well optimized though.
Potential reduce by 411.4 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 411.4 kB or 61% of the original size.
Potential reduce by 258.5 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. Ap.gilderlehrman.org needs all CSS files to be minified and compressed as it can save up to 258.5 kB or 85% of the original size.
Number of requests can be reduced by 42 (62%)
68
26
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AP Gilder Lehrman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ap.gilderlehrman.org
540 ms
jquery.min.js
44 ms
bootstrap.min.js
16 ms
css_5eb72cab93d9109077f5e64e7c7885cf.css
19 ms
css_0a9caac7879e28a1d55dfdd59d4a53df.css
26 ms
jquery-1.6.4.min.js
22 ms
drupal.js
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fb.js
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ui.core.min.js
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ui.datepicker.min.js
20 ms
flowplayer-3.2.6.min.js
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gli_mweb.js
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gli_resource_list.js
28 ms
UTIL.js
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nkbase.js
27 ms
nkbase_favorites.js
29 ms
nkbase_header_image.js
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og.js
34 ms
panels.js
29 ms
uc_roles.js
34 ms
uc_varprice_show_arb.js
35 ms
submit_animated.js
33 ms
GLI.js
31 ms
dropdown.js
31 ms
css
105 ms
vimeowrap.js
140 ms
vimeowrap.carousel.js
143 ms
vimeowrap.lightsout.js
147 ms
vimeowrap.playlist.js
145 ms
vimeowrap.infobox.js
149 ms
ap_us_history_banner_logo.png
235 ms
105053027
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all.js
53 ms
analytics.js
53 ms
ga.js
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period1loc.jpg
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period2.jpg
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133 ms
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__utm.gif
82 ms
xd_arbiter.php
91 ms
xd_arbiter.php
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player.js
180 ms
player.css
149 ms
ga.js
88 ms
vuid.min.js
177 ms
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proxy.html
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ap.gilderlehrman.org accessibility score
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
<frame> or <iframe> elements do not have a title
ap.gilderlehrman.org 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
Browser errors were logged to the console
ap.gilderlehrman.org SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ap.gilderlehrman.org 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 Ap.gilderlehrman.org 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.
ap.gilderlehrman.org
Open Graph description is not detected on the main page of AP Gilder Lehrman. 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: