40.9 sec in total
163 ms
28.6 sec
12.2 sec
Click here to check amazing OPT Corp content for United States. Otherwise, check out these important facts you probably never knew about optcorp.com
From Amateurs To Experts, Astrophotographers choose OPT Telescopes for all of their needs. Shop OPT for the best telescopes & customer service!
Visit optcorp.comWe analyzed Optcorp.com page load time and found that the first response time was 163 ms and then it took 40.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 22 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
optcorp.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value12.1 s
0/100
25%
Value19.5 s
0/100
10%
Value9,710 ms
0/100
30%
Value0.001
100/100
15%
Value39.5 s
0/100
10%
163 ms
1234 ms
365 ms
489 ms
1379 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 70% of them (64 requests) were addressed to the original Optcorp.com, 12% (11 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Opt.kayako.com. The less responsive or slowest element that took the longest time to load (20.7 sec) belongs to the original domain Optcorp.com.
Page size can be reduced by 219.5 kB (5%)
4.1 MB
3.9 MB
In fact, the total size of Optcorp.com main page is 4.1 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 4.0 MB which makes up the majority of the site volume.
Potential reduce by 112.4 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. This page needs HTML code to be minified as it can gain 22.5 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 112.4 kB or 86% of the original size.
Potential reduce by 103.3 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. OPT Corp images are well optimized though.
Potential reduce by 3.7 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.
Number of requests can be reduced by 21 (38%)
55
34
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPT Corp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
optcorp.com
163 ms
www.optcorp.com
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optcorp.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
button, link, and menuitem elements do not have accessible names.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
optcorp.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
optcorp.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
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 Optcorp.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 Optcorp.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.
optcorp.com
Open Graph description is not detected on the main page of OPT Corp. 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: