1.5 sec in total
253 ms
888 ms
380 ms
Visit spectralevolution.com now to see the best up-to-date Spectral Evolution content and also check out these interesting facts you probably never knew about spectralevolution.com
Spectral Evolution Manufactures the Most Reliable and Accurate UV-Vis-NIR Field-portable Spectrometers & Spectroradiometers
Visit spectralevolution.comWe analyzed Spectralevolution.com page load time and found that the first response time was 253 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
spectralevolution.com performance score
name
value
score
weighting
Value4.3 s
19/100
10%
Value4.7 s
33/100
25%
Value14.6 s
1/100
10%
Value620 ms
48/100
30%
Value0.096
90/100
15%
Value21.2 s
1/100
10%
253 ms
136 ms
137 ms
138 ms
134 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 94% of them (49 requests) were addressed to the original Spectralevolution.com, 2% (1 request) were made to L.yimg.com and 2% (1 request) were made to Visit.webhosting.yahoo.com. The less responsive or slowest element that took the longest time to load (532 ms) belongs to the original domain Spectralevolution.com.
Page size can be reduced by 153.8 kB (33%)
465.4 kB
311.6 kB
In fact, the total size of Spectralevolution.com main page is 465.4 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. 20% of websites need less resources to load. Images take 354.1 kB which makes up the majority of the site volume.
Potential reduce by 65.5 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 65.5 kB or 88% of the original size.
Potential reduce by 60.1 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, Spectral Evolution needs image optimization as it can save up to 60.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 28.2 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 28.2 kB or 77% of the original size.
Number of requests can be reduced by 8 (16%)
51
43
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spectral Evolution. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
spectralevolution.com
253 ms
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136 ms
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134 ms
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Contact_us.jpg
337 ms
LF-2500_X.jpg
379 ms
us_flag.gif
340 ms
SPECTRAL_EVOLUTION_CORPORATE_LOGO-_First_in_full_range_uv-vis-nir_spectroradiometer_spectrometer_and_spectrophotometer_products-420x146.jpg
357 ms
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9 ms
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423 ms
visit.gif
37 ms
PSR_Plus_lens_field2-152x216.jpg
494 ms
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21 ms
spectralevolution.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
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
spectralevolution.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
spectralevolution.com SEO score
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
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spectralevolution.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Spectralevolution.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
spectralevolution.com
Open Graph description is not detected on the main page of Spectral Evolution. 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: