8.6 sec in total
2.4 sec
6.1 sec
108 ms
Welcome to chemfilt.com homepage info - get ready to check CHEMFILT best content right away, or after learning these important things about chemfilt.com
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Visit chemfilt.comWe analyzed Chemfilt.com page load time and found that the first response time was 2.4 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
chemfilt.com performance score
name
value
score
weighting
Value9.2 s
0/100
10%
Value21.5 s
0/100
25%
Value18.5 s
0/100
10%
Value420 ms
65/100
30%
Value0.455
20/100
15%
Value17.7 s
4/100
10%
2375 ms
1764 ms
2030 ms
1284 ms
1054 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 87% of them (52 requests) were addressed to the original Chemfilt.com, 10% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Chemfilt.com.
Page size can be reduced by 1.4 MB (26%)
5.4 MB
4.0 MB
In fact, the total size of Chemfilt.com main page is 5.4 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. 55% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 127.2 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. This page needs HTML code to be minified as it can gain 62.5 kB, which is 46% 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 127.2 kB or 94% of the original size.
Potential reduce by 62.7 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. CHEMFILT images are well optimized though.
Potential reduce by 609.1 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 609.1 kB or 73% of the original size.
Potential reduce by 585.1 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. Chemfilt.com needs all CSS files to be minified and compressed as it can save up to 585.1 kB or 87% of the original size.
Number of requests can be reduced by 30 (60%)
50
20
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CHEMFILT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
chemfilt.com
2375 ms
responsive.css
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bootstrap.min.css
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font-awesome.min.css
1284 ms
owl.carousel.min.css
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bootstrap-select.min.css
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magnific-popup.min.css
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style.css
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flaticon.min.css
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lc_lightbox.css
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skin-9.css
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settings.css
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navigation.css
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jquery-3.5.1.min.js
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popper.min.js
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bootstrap.min.js
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bootstrap-select.min.js
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magnific-popup.min.js
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waypoints.min.js
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counterup.min.js
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waypoints-sticky.min.js
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isotope.pkgd.min.js
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owl.carousel.min.js
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theia-sticky-sidebar.js
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jquery.bootstrap-touchspin.js
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custom.js
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lc_lightbox.lite.js
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jquery.themepunch.tools.min.js
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chemfilt.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
chemfilt.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
chemfilt.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemfilt.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 Chemfilt.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.
chemfilt.com
Open Graph description is not detected on the main page of CHEMFILT. 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: