4.3 sec in total
816 ms
3.3 sec
161 ms
Visit spectrumtelescope.com now to see the best up-to-date Spectrum Telescope content for United States and also check out these interesting facts you probably never knew about spectrumtelescope.com
Spectrum Telescope solar filters allow you to see sunspots, surface granulation, and of course a solar eclipse when present
Visit spectrumtelescope.comWe analyzed Spectrumtelescope.com page load time and found that the first response time was 816 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
spectrumtelescope.com performance score
name
value
score
weighting
Value11.0 s
0/100
10%
Value17.2 s
0/100
25%
Value18.3 s
0/100
10%
Value9,020 ms
0/100
30%
Value0.098
90/100
15%
Value21.7 s
1/100
10%
816 ms
58 ms
119 ms
51 ms
179 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 68% of them (40 requests) were addressed to the original Spectrumtelescope.com, 10% (6 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (816 ms) belongs to the original domain Spectrumtelescope.com.
Page size can be reduced by 788.9 kB (49%)
1.6 MB
815.2 kB
In fact, the total size of Spectrumtelescope.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. 55% of websites need less resources to load. Images take 665.1 kB which makes up the majority of the site volume.
Potential reduce by 40.2 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 40.2 kB or 80% of the original size.
Potential reduce by 87.5 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, Spectrum Telescope needs image optimization as it can save up to 87.5 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 205.2 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 205.2 kB or 62% of the original size.
Potential reduce by 456.0 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. Spectrumtelescope.com needs all CSS files to be minified and compressed as it can save up to 456.0 kB or 82% of the original size.
Number of requests can be reduced by 34 (68%)
50
16
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spectrum Telescope. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
spectrumtelescope.com
816 ms
wp-emoji-release.min.js
58 ms
layerslider.css
119 ms
css
51 ms
style.css
179 ms
style.min.css
219 ms
selectize.min.css
122 ms
price-slider.min.css
125 ms
product-search.min.css
154 ms
wc-blocks-vendors-style.css
162 ms
wc-blocks-style.css
292 ms
woocommerce-layout.css
180 ms
woocommerce.css
242 ms
dashicons.min.css
234 ms
css
46 ms
style.css
213 ms
jquery.min.js
303 ms
jquery-migrate.min.js
257 ms
layerslider.utils.js
324 ms
layerslider.kreaturamedia.jquery.js
351 ms
layerslider.transitions.js
301 ms
responsive-menu.js
322 ms
js
71 ms
jquery.t-countdown.js
346 ms
jquery.blockUI.min.js
346 ms
add-to-cart.min.js
347 ms
js.cookie.min.js
380 ms
woocommerce.min.js
426 ms
cart-fragments.min.js
427 ms
jquery.ix.typewatch.min.js
426 ms
product-search.min.js
427 ms
gtm.js
55 ms
site_header_logo.png
107 ms
symbol-defs.svg
105 ms
ST-Products-image-2.jpg
108 ms
how-to-measure-optical-device.jpg
52 ms
Solar-Eclipse-slider-image-3.jpg
186 ms
Glass-STG-white-bk1-9-2-16-400x300.jpg
108 ms
New-shots-9-2-16-039-sq-sm-400x300.jpg
161 ms
threaded-camera-filter-T-55mm-400x300.png
185 ms
threaded-camera-filter-T-77mm-400x282.png
186 ms
threaded-camera-filter-T-67mm-400x280.png
162 ms
conversion_async.js
121 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf
111 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf
168 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf
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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf
191 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf
184 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf
190 ms
spectrumtelescope.com
676 ms
46 ms
66 ms
53 ms
28 ms
405 ms
34 ms
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woocommerce-smallscreen.css
52 ms
spectrumtelescope.com accessibility score
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
Image elements do not have [alt] attributes
spectrumtelescope.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
spectrumtelescope.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Spectrumtelescope.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 Spectrumtelescope.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.
spectrumtelescope.com
Open Graph description is not detected on the main page of Spectrum Telescope. 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: