604 ms in total
170 ms
269 ms
165 ms
Welcome to historytools.org homepage info - get ready to check History Tools best content for United States right away, or after learning these important things about historytools.org
Resources for the Study of American History. A collection of historical sources, edited for classroom use, along with brief essays and instructional materials about the practice of history.
Visit historytools.orgWe analyzed Historytools.org page load time and found that the first response time was 170 ms and then it took 434 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
historytools.org performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value3.6 s
59/100
25%
Value4.0 s
81/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.6 s
91/100
10%
170 ms
50 ms
17 ms
18 ms
17 ms
Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Historytools.org, 83% (5 requests) were made to Historytools.davidjvoelker.com. The less responsive or slowest element that took the longest time to load (170 ms) belongs to the original domain Historytools.org.
Page size can be reduced by 5.0 kB (70%)
7.1 kB
2.1 kB
In fact, the total size of Historytools.org main page is 7.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 7.1 kB which makes up the majority of the site volume.
Potential reduce by 5.0 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 5.0 kB or 70% of the original size.
We found no issues to fix!
4
4
The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of History Tools. According to our analytics all requests are already optimized.
historytools.org
170 ms
historytools.davidjvoelker.com
50 ms
header-htools.gif
17 ms
blue-gray-button-small.gif
18 ms
about-bar.gif
17 ms
about-bar-roll.gif
17 ms
historytools.org accessibility score
historytools.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
historytools.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Historytools.org 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 Historytools.org 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.
historytools.org
Open Graph description is not detected on the main page of History Tools. 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: