4.2 sec in total
1.5 sec
2.5 sec
128 ms
Visit blackdiamondoptics.com now to see the best up-to-date Black Diamond Optics content and also check out these interesting facts you probably never knew about blackdiamondoptics.com
Black Diamond Optics offers high-quality hunting optics! Rifle Scopes, Binoculars, & Spotting Scopes
Visit blackdiamondoptics.comWe analyzed Blackdiamondoptics.com page load time and found that the first response time was 1.5 sec and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
blackdiamondoptics.com performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value7.7 s
3/100
25%
Value13.9 s
1/100
10%
Value4,850 ms
0/100
30%
Value0.001
100/100
15%
Value26.3 s
0/100
10%
1525 ms
85 ms
93 ms
102 ms
151 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Blackdiamondoptics.com, 41% (15 requests) were made to Static.wixstatic.com and 38% (14 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Blackdiamondoptics.com.
Page size can be reduced by 604.5 kB (75%)
809.8 kB
205.4 kB
In fact, the total size of Blackdiamondoptics.com main page is 809.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. HTML takes 727.0 kB which makes up the majority of the site volume.
Potential reduce by 603.8 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 603.8 kB or 83% of the original size.
Potential reduce by 0 B
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. Black Diamond Optics images are well optimized though.
Potential reduce by 644 B
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 8 (28%)
29
21
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Diamond Optics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.blackdiamondoptics.com
1525 ms
bt
85 ms
app.bundle.min.js
93 ms
minified.js
102 ms
fetch.umd.js
151 ms
bolt-custom-elements.min.js
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requirejs.min.js
151 ms
bolt-performance
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dynamicmodel
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wixcode-worker.js
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wix-perf-measure.bundle.min.js
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siteTags.bundle.min.js
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blackdiamondoptics.com accessibility score
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
Buttons do not have an accessible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
blackdiamondoptics.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
blackdiamondoptics.com SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackdiamondoptics.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 Blackdiamondoptics.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.
blackdiamondoptics.com
Open Graph data is detected on the main page of Black Diamond Optics. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: