1.7 sec in total
195 ms
964 ms
527 ms
Click here to check amazing Vision Therapy Pa content. Otherwise, check out these important facts you probably never knew about vision-therapy-pa.com
Steven Gallop, behavioral optometist, uses vision therapy for people with autism, concussions, brain injury, reading and learning issues, strabismus, lazy eye and amblyopia.
Visit vision-therapy-pa.comWe analyzed Vision-therapy-pa.com page load time and found that the first response time was 195 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
vision-therapy-pa.com performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value7.7 s
3/100
25%
Value3.7 s
85/100
10%
Value780 ms
37/100
30%
Value0
100/100
15%
Value7.4 s
48/100
10%
195 ms
23 ms
27 ms
71 ms
55 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 21% of them (10 requests) were addressed to the original Vision-therapy-pa.com, 42% (20 requests) were made to Cdcssl.ibsrv.net and 6% (3 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (707 ms) relates to the external source My.imatrix.com.
Page size can be reduced by 428.7 kB (16%)
2.8 MB
2.3 MB
In fact, the total size of Vision-therapy-pa.com main page is 2.8 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. 70% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 124.0 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 124.0 kB or 77% of the original size.
Potential reduce by 301.2 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. Obviously, Vision Therapy Pa needs image optimization as it can save up to 301.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 3.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 284 B
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. Vision-therapy-pa.com has all CSS files already compressed.
Number of requests can be reduced by 16 (36%)
45
29
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Therapy Pa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
vision-therapy-pa.com
195 ms
b8d4f194d328ec15ef9cc8d25f8fbc0e.opt-min.cr.js
23 ms
bba28afa687d263195cb65e8b116a48e.opt-min.cr.css
27 ms
bootstrap.min.css
71 ms
jquery-3.2.1.slim.min.js
55 ms
popper.min.js
66 ms
bootstrap.min.js
99 ms
jquery-1.11.1.min.js
42 ms
smb-number-changer.js
95 ms
5ab181c88e094d2e85b1f512a679bd7d.opt-min.co.js
169 ms
custom.js
40 ms
js-defer.js
115 ms
5a3be6e04ef7e_S15Optologonew.png.webp
72 ms
2nd-edition-front-cover.png
448 ms
btn_buynowCC_LG.gif
61 ms
webscr
474 ms
exc1v3.png
650 ms
both-book2.png
707 ms
pixel.gif
61 ms
cid_sigimg1def7ca476a9d4e3cb9e6ac032afd954e.jpg.webp
295 ms
5a3bddf4e9502_IMG00108-20130213-1423.jpg.webp
153 ms
5a3bdfb38718a_Steveoffice.png.webp
165 ms
web-slide-1-version-2.png.webp
102 ms
5c5afe87cb80c_stressnoshadow.jpg.webp
113 ms
5c5aff0d75d12_S15OptohomeMASTER35.png.webp
35 ms
5c5afe95ebac6_Learningnoshadow.png.webp
36 ms
5c5afead93646_childnoshadowedited.png.webp
45 ms
5c5afebd69f85_sportsnoshadow.png.webp
53 ms
Woman-holds-contact-lens-on-her-finger-1--713072.png
63 ms
Old-man-struggles-to-read--710282.png
76 ms
Man-wears-safety-glasses-on-the-factory-floor--710276.png
99 ms
Couple-with-healthy-eyes-prepare-dinner--709029.png
113 ms
Old-woman-struggles-with-both-vision-and-hearing-loss--708542.png
112 ms
Woman-wears-mirrored-sunglasses-during-fall--705051.png
118 ms
Woman-has-a-migraine--705039.png
117 ms
SS_251696401_girl_with_glasses_sad-196779.jpg
116 ms
Pain_management-153489-190316.jpg
116 ms
shutterstock_60383311_1500-153679-190539.jpg
117 ms
jquery-3.2.1.slim.min.js
2 ms
javascript,window.pagespeed.psatemp%3D0%3B
1 ms
popper.min.js
10 ms
bootstrap.min.js
11 ms
Ke-CYyy8Vv2YS_sppPc2ML6I
461 ms
jquery-1.11.1.min.js
14 ms
smb-number-changer.js
15 ms
5ab181c88e094d2e85b1f512a679bd7d.opt-min.co.js
14 ms
custom.js
11 ms
shoppingcart
149 ms
vision-therapy-pa.com 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-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
vision-therapy-pa.com 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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vision-therapy-pa.com 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vision-therapy-pa.com 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 Vision-therapy-pa.com 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.
vision-therapy-pa.com
Open Graph data is detected on the main page of Vision Therapy Pa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: