1.3 sec in total
87 ms
1 sec
164 ms
Click here to check amazing Potomac School content for United States. Otherwise, check out these important facts you probably never knew about potomacschool.org
Learn more about the educational experience at The Potomac School - an independent and private school in the Washington, D.C. region with over 90 acres of space to learn, grow, thrive, and be a part o...
Visit potomacschool.orgWe analyzed Potomacschool.org page load time and found that the first response time was 87 ms and then it took 1.2 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.
potomacschool.org performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value12.2 s
0/100
25%
Value8.0 s
22/100
10%
Value550 ms
54/100
30%
Value0.378
28/100
15%
Value12.6 s
14/100
10%
87 ms
581 ms
31 ms
38 ms
20 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 95% of them (69 requests) were addressed to the original Potomacschool.org, 3% (2 requests) were made to Stats.g.doubleclick.net and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (581 ms) belongs to the original domain Potomacschool.org.
Page size can be reduced by 441.0 kB (22%)
2.0 MB
1.6 MB
In fact, the total size of Potomacschool.org main page is 2.0 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 30.4 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 30.4 kB or 83% of the original size.
Potential reduce by 67.4 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. Potomac School images are well optimized though.
Potential reduce by 148.2 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 148.2 kB or 66% of the original size.
Potential reduce by 195.0 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. Potomacschool.org needs all CSS files to be minified and compressed as it can save up to 195.0 kB or 87% of the original size.
Number of requests can be reduced by 39 (59%)
66
27
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Potomac School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.
potomacschool.org
87 ms
www.potomacschool.org
581 ms
dc.js
31 ms
si_behaviors-c.js
38 ms
si_onload.js
20 ms
jquery.min.js
14 ms
LinkedGallery.js
18 ms
jquery.group.min.js
19 ms
appendAround.js
20 ms
jquery.touchSwipe-1.6.3.min.js
24 ms
jquery.carouFredSel-6.2.1-packed.js
51 ms
matchMedia.js
34 ms
responsive-nav.min.js
32 ms
responsive.js
33 ms
jquery_onload.js
48 ms
jquery.masonry.min.js
48 ms
base.css
49 ms
news.css
56 ms
calendar.css
57 ms
gallery.css
58 ms
academics.css
59 ms
athletics.css
60 ms
directory.css
62 ms
notes.css
63 ms
resource.css
62 ms
home.css
64 ms
responsive.css
65 ms
jquery.touchSwipe.min.js
69 ms
jquery.carouFredSel-6.1.0-packed.js
72 ms
jquery.cycle.pack.js
67 ms
home.js
72 ms
fonts.css
22 ms
reset.css
21 ms
structure.css
19 ms
navigation.css
24 ms
html.css
26 ms
misc.css
30 ms
module.css
28 ms
gallery.css
24 ms
directory.css
23 ms
css
26 ms
module.css
9 ms
print.css
10 ms
__utm.gif
121 ms
slide1-1.jpg
115 ms
slide1-3.jpg
27 ms
slide1-2.jpg
28 ms
slide2-1.jpg
21 ms
slide2-3.jpg
35 ms
slide2-2.jpg
30 ms
slide3-1.jpg
39 ms
slide3-2.jpg
40 ms
slide3-3.jpg
37 ms
slide4-1.jpg
56 ms
slide4-2.jpg
51 ms
slide4-3.jpg
46 ms
slide5-1.jpg
48 ms
slide5-3.jpg
49 ms
slide5-2.jpg
53 ms
nav-subsites-resp.png
52 ms
social-sprite.png
54 ms
meganav-about.jpg
57 ms
meganav-admission.jpg
58 ms
meganav-academics.jpg
61 ms
meganav-arts.jpg
62 ms
meganav-athletics.jpg
63 ms
meganav-support.jpg
65 ms
meganav-alumni.jpg
67 ms
Roboto-Light-webfont.woff
68 ms
museo_slab_100-webfont.woff
77 ms
Roboto-Regular-webfont.woff
77 ms
fontawesome-webfont.woff
77 ms
Roboto-Bold-webfont.woff
77 ms
potomacschool.org 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
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
potomacschool.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
potomacschool.org 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
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Potomacschool.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 Potomacschool.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.
potomacschool.org
Open Graph description is not detected on the main page of Potomac School. 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: