3 sec in total
110 ms
2.7 sec
235 ms
Visit blackspectacles.com now to see the best up-to-date Black Spectacles content for United States and also check out these interesting facts you probably never knew about blackspectacles.com
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Visit blackspectacles.comWe analyzed Blackspectacles.com page load time and found that the first response time was 110 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
blackspectacles.com performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value12.5 s
0/100
25%
Value7.1 s
31/100
10%
Value1,010 ms
27/100
30%
Value0.059
98/100
15%
Value11.8 s
17/100
10%
110 ms
1502 ms
75 ms
23 ms
51 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 42% of them (28 requests) were addressed to the original Blackspectacles.com, 6% (4 requests) were made to Fast.wistia.com and 6% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Blackspectacles.com.
Page size can be reduced by 721.9 kB (46%)
1.6 MB
839.4 kB
In fact, the total size of Blackspectacles.com main page is 1.6 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. 50% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 113.3 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 113.3 kB or 73% of the original size.
Potential reduce by 3.3 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. Black Spectacles images are well optimized though.
Potential reduce by 553.8 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 553.8 kB or 53% of the original size.
Potential reduce by 51.5 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. Blackspectacles.com needs all CSS files to be minified and compressed as it can save up to 51.5 kB or 80% of the original size.
Number of requests can be reduced by 33 (66%)
50
17
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Spectacles. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
blackspectacles.com
110 ms
blackspectacles.com
1502 ms
cloudflare.min.js
75 ms
default.css
23 ms
home.css
51 ms
font-awesome.min.css
97 ms
modernizr.custom.js
206 ms
jquery.min.js
109 ms
EGoUlE8i7kyufmUQz7cm
1044 ms
conversion.js
88 ms
addthis_widget.js
89 ms
E-v1.js
778 ms
plugins.js
254 ms
parsley.min.js
492 ms
default.js
252 ms
widgets.js
57 ms
bag2
10 ms
gtm.js
236 ms
prum.min.js
147 ms
pixel.gif
166 ms
160 ms
membership-badges-newaialogo2a.jpg
80 ms
individual-access.jpg
63 ms
business-access.jpg
63 ms
academic-access.jpg
113 ms
fbevents.js
193 ms
ga.js
193 ms
acmfvzqax8
343 ms
img.gif
72 ms
header-community.png
105 ms
search.png
105 ms
triangle.png
70 ms
learning-topics.gif
166 ms
course-aia-logo.png
78 ms
graph.png
69 ms
twitter.png
68 ms
Flama-Light.otf
41 ms
Flama-Ultralight.otf
49 ms
Flama-Basic.otf
42 ms
Flama-Medium.otf
123 ms
beacon.js
260 ms
180 ms
152 ms
__utm.gif
27 ms
analytics.js
179 ms
collect
183 ms
loader0.js
292 ms
300lo.json
108 ms
bg.jpg
94 ms
sh.7c7179124ea24ac6ba46caac.html
42 ms
eligible.jsonp
87 ms
collect
13 ms
collect
18 ms
collect
18 ms
ga-audiences
19 ms
print.css
7 ms
layers.3643cb2e25fb91c29386.js
13 ms
ga-audiences
55 ms
collect
53 ms
ga-audiences
28 ms
iframe_shim
86 ms
2f49927fa371791643b7a300765b6af94482fb98.jpg
145 ms
3448-185-10-1626.js
44 ms
postRoll-v1.js
34 ms
WistiaOpenSansLight.woff
20 ms
WistiaOpenSansSemiBold.woff
30 ms
blackspectacles.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
blackspectacles.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
Missing source maps for large first-party JavaScript
blackspectacles.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
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 Blackspectacles.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 Blackspectacles.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.
blackspectacles.com
Open Graph description is not detected on the main page of Black Spectacles. 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: