786 ms in total
262 ms
523 ms
1 ms
Visit trailhead.mines.edu now to see the best up-to-date Trailhead Mines content for United States and also check out these interesting facts you probably never knew about trailhead.mines.edu
Visit trailhead.mines.eduWe analyzed Trailhead.mines.edu page load time and found that the first response time was 262 ms and then it took 524 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.
trailhead.mines.edu performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value3.5 s
62/100
25%
Value2.9 s
94/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.5 s
92/100
10%
262 ms
258 ms
Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Trailhead.mines.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (262 ms) belongs to the original domain Trailhead.mines.edu.
Page size can be reduced by 2.8 kB (70%)
4.0 kB
1.2 kB
In fact, the total size of Trailhead.mines.edu main page is 4.0 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 3.5 kB which makes up the majority of the site volume.
Potential reduce by 247 B
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 247 B or 49% of the original size.
Potential reduce by 2.6 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 2.6 kB or 73% of the original size.
We found no issues to fix!
1
1
The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trailhead Mines. According to our analytics all requests are already optimized.
trailhead.mines.edu
262 ms
clientsniffer.js
258 ms
trailhead.mines.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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
trailhead.mines.edu 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
trailhead.mines.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 doesn't use legible font sizes
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trailhead.mines.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 Trailhead.mines.edu 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.
trailhead.mines.edu
Open Graph description is not detected on the main page of Trailhead Mines. 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: