6.3 sec in total
1.2 sec
4.4 sec
665 ms
Welcome to opticsfair.com homepage info - get ready to check Optics Fair best content right away, or after learning these important things about opticsfair.com
Must-attend event and a strategic platform for optical importers & buyers from the worldwide B2B trade.
Visit opticsfair.comWe analyzed Opticsfair.com page load time and found that the first response time was 1.2 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
opticsfair.com performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value6.7 s
8/100
25%
Value9.0 s
14/100
10%
Value290 ms
79/100
30%
Value0.02
100/100
15%
Value7.4 s
48/100
10%
1227 ms
663 ms
666 ms
664 ms
1002 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Opticsfair.com, 65% (31 requests) were made to Expoimg.donnor.com and 15% (7 requests) were made to Cdn.staticfile.org. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cdn.bootcdn.net.
Page size can be reduced by 93.3 kB (5%)
1.9 MB
1.8 MB
In fact, the total size of Opticsfair.com main page is 1.9 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. 45% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 39.0 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 39.0 kB or 82% of the original size.
Potential reduce by 25.2 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. Optics Fair images are well optimized though.
Potential reduce by 9.8 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 9.8 kB or 32% of the original size.
Potential reduce by 19.1 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. Opticsfair.com needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 77% of the original size.
Number of requests can be reduced by 14 (30%)
47
33
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optics Fair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.opticsfair.com
1227 ms
swiper.min.css
663 ms
bootstrap.min.css
666 ms
jquery.fancybox.min.css
664 ms
navik-horizontal-default-menu.min.css
1002 ms
common.css
193 ms
expo_icons_svg.js
1081 ms
swiper.min.js
671 ms
jquery.min.js
947 ms
bootstrap.bundle.min.js
1100 ms
jquery.fancybox.min.js
1124 ms
navik.menu.js
1100 ms
iframeResizer.min.js
1680 ms
common.js
381 ms
gtm.js
136 ms
z.js
1342 ms
2023041910155682353382.png
667 ms
20231225140036235962698.png
774 ms
20231122084938317332792.webp
816 ms
20231121145405880640262.jpg
820 ms
20231121161841473610640.webp
780 ms
202311281407219246135805.png
887 ms
202401091341564712105640.jpg
773 ms
20240102104918128088714.jpg
899 ms
20240115161536025224245.jpg
814 ms
202401090954032510264849.png
828 ms
202311151632181971127561.png
962 ms
201901280955256735.jpg
1033 ms
20230907162653926881056.png
908 ms
2021011210085886037383.jpg
868 ms
20200526104027517833984.jpg
910 ms
201805231642496876.jpg
925 ms
201906201712074824751337.jpg
1063 ms
201807231451170490.jpg
945 ms
20201125175330377188425.jpg
947 ms
201712271644367740.jpg
964 ms
20190724110039770255184.jpg
984 ms
2021010813191513233594.png
987 ms
20230424102247037511191.png
998 ms
201712271624189772.jpg
1000 ms
20210312094658328735050.JPG
1032 ms
201712271645406647.jpg
1030 ms
201805231629494064.gif
1044 ms
201712271639523365.jpg
1036 ms
20230424103845199894142.png
1078 ms
20220608092228961267644.png
1080 ms
2021042015425553997293.png
1070 ms
js
44 ms
opticsfair.com accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
opticsfair.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
Page has valid source maps
opticsfair.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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticsfair.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 Opticsfair.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.
opticsfair.com
Open Graph description is not detected on the main page of Optics Fair. 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: