6.3 sec in total
529 ms
4.8 sec
993 ms
Welcome to asahi-spectra.com homepage info - get ready to check Asahi Spectra best content for United Kingdom right away, or after learning these important things about asahi-spectra.com
Asahi Spectra supplies high-end optical filters for biotechnology, astronomy, defense, security or laboratory, and light sources for solar cells, photocatalyst, photochemistry or material research.
Visit asahi-spectra.comWe analyzed Asahi-spectra.com page load time and found that the first response time was 529 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
asahi-spectra.com performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value9.7 s
0/100
25%
Value8.1 s
21/100
10%
Value1,410 ms
15/100
30%
Value0.204
61/100
15%
Value10.0 s
26/100
10%
529 ms
923 ms
93 ms
113 ms
111 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 58% of them (21 requests) were addressed to the original Asahi-spectra.com, 11% (4 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Asahi-spectra.com.
Page size can be reduced by 40.1 kB (3%)
1.4 MB
1.4 MB
In fact, the total size of Asahi-spectra.com main page is 1.4 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. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 22.4 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 6.6 kB, which is 23% 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 22.4 kB or 80% of the original size.
Potential reduce by 8.2 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. Asahi Spectra images are well optimized though.
Potential reduce by 50 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.
Potential reduce by 9.4 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. Asahi-spectra.com needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 80% of the original size.
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 Asahi Spectra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
asahi-spectra.com
529 ms
asahi-spectra.com
923 ms
bootstrap.min.css
93 ms
font-awesome.min.css
113 ms
css2
111 ms
custom.css
341 ms
jquery-2.2.4.min.js
82 ms
jquery.touchSwipe.min.js
110 ms
popper.min.js
122 ms
bootstrap.min.js
87 ms
js
67 ms
asahiw.svg
190 ms
asahib.svg
283 ms
img_filters_2.jpg
893 ms
img_max303_2.jpg
973 ms
img_astrofilters_2.jpg
1873 ms
img_hal320_2.jpg
1577 ms
home_1_4.jpg
894 ms
home_2_4.jpg
1231 ms
img_uvfilter_4.jpg
1588 ms
img_astro-1_4.jpg
2244 ms
img_spectraviewer_4.jpg
1484 ms
img_photochemistry_4.jpg
2080 ms
img_solarsimulator_4.jpg
3005 ms
img_monochro_4.jpg
2769 ms
0098.jpg
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KFOmCnqEu92Fr1Me5Q.ttf
70 ms
KFOlCnqEu92Fr1MmEU9vAw.ttf
111 ms
KFOlCnqEu92Fr1MmSU5vAw.ttf
129 ms
TK3_WkUHHAIjg75cFRf3bXL8LICs18NvgUE.ttf
117 ms
fontawesome-webfont.woff
43 ms
analytics.js
46 ms
collect
27 ms
asahi-spectra.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
asahi-spectra.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
Page has valid source maps
asahi-spectra.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
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 Asahi-spectra.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 Asahi-spectra.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.
asahi-spectra.com
Open Graph description is not detected on the main page of Asahi Spectra. 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: