Tools & Wizards About Us
fcoptics.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

fcoptics.com

China Sunglasses, Optical Frame, Reading Glasses Manufacturers, Factory - FC OPTICS

Page Load Speed

3.3 sec in total

First Response

399 ms

Resources Loaded

2.6 sec

Page Rendered

280 ms

fcoptics.com screenshot

About Website

Welcome to fcoptics.com homepage info - get ready to check FC OPTICS best content right away, or after learning these important things about fcoptics.com

Wenzhou FC Optics Limited: We're professional sunglasses, optical frame, reading glasses, clip on, eyewear accessories manufacturers in China for 20 years, specialized in providing customized products...

Visit fcoptics.com

Key Findings

We analyzed Fcoptics.com page load time and found that the first response time was 399 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

fcoptics.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

fcoptics.com

399 ms

www.fcoptics.com

527 ms

swiper.min.css

334 ms

style.css

363 ms

jquery.js

346 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 50% of them (42 requests) were addressed to the original Fcoptics.com, 19% (16 requests) were made to Css02.v15cdn.com and 19% (16 requests) were made to Img01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Fcoptics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.6 kB (4%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fcoptics.com main page is 1.2 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.7 kB

  • Original 35.4 kB
  • After minification 33.9 kB
  • After compression 7.6 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 27.7 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 14.0 kB

  • Original 1.0 MB
  • After minification 999.5 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. FC OPTICS images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 11.2 kB

  • Original 162.6 kB
  • After minification 162.6 kB
  • After compression 151.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 1.8 kB

  • Original 21.5 kB
  • After minification 21.5 kB
  • After compression 19.7 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. Fcoptics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (49%)

Requests Now

76

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FC OPTICS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fcoptics.com

fcoptics.com

399 ms

www.fcoptics.com

www.fcoptics.com

527 ms

swiper.min.css

swiper.min.css

334 ms

style.css

style.css

363 ms

jquery.js

jquery.js

346 ms

sitecommon.js

sitecommon.js

350 ms

other.css

other.css

74 ms

font-awesome.min.css

font-awesome.min.css

149 ms

Site_Common.js

Site_Common.js

347 ms

swiper.min.js

swiper.min.js

354 ms

count2.js

count2.js

347 ms

style.js

style.js

330 ms

liteyt.js

liteyt.js

352 ms

float24640.js

float24640.js

216 ms

privacy-policy.js

privacy-policy.js

353 ms

im.js

im.js

213 ms

gtm.js

gtm.js

144 ms

logo201912101701121616374.png

logo201912101701121616374.png

102 ms

amore.webp

amore.webp

314 ms

nav_icon.png

nav_icon.png

88 ms

search.png

search.png

97 ms

leftbar.png

leftbar.png

106 ms

rightbar.png

rightbar.png

107 ms

newsmore.png

newsmore.png

107 ms

Facebook.png

Facebook.png

106 ms

twitter.png

twitter.png

108 ms

Vimeo.png

Vimeo.png

108 ms

YouTube.png

YouTube.png

115 ms

input.png

input.png

115 ms

en.webp

en.webp

301 ms

de.webp

de.webp

304 ms

ua.webp

ua.webp

306 ms

ar.webp

ar.webp

307 ms

yua.webp

yua.webp

311 ms

no.webp

no.webp

306 ms

ro.webp

ro.webp

308 ms

tr.webp

tr.webp

313 ms

ht.webp

ht.webp

315 ms

bg.webp

bg.webp

314 ms

il.webp

il.webp

316 ms

mww.webp

mww.webp

316 ms

300.webp

300.webp

323 ms

81.webp

81.webp

338 ms

20240827033123441f9.jpg

20240827033123441f9.jpg

968 ms

20240827033230ac7d8.jpg

20240827033230ac7d8.jpg

907 ms

ba202208080844059213753.jpg

ba202208080844059213753.jpg

695 ms

201912160910263694446.jpg

201912160910263694446.jpg

141 ms

201912160911015191525.jpg

201912160911015191525.jpg

217 ms

201912160912367819415.jpg

201912160912367819415.jpg

282 ms

110016565700.jpg

110016565700.jpg

502 ms

202204061445341a429507a0aa4af9ae8275cec4e6a0b0.jpg

202204061445341a429507a0aa4af9ae8275cec4e6a0b0.jpg

362 ms

2022040614453527800b968056468e8c708db9c198c515.jpg

2022040614453527800b968056468e8c708db9c198c515.jpg

364 ms

20220406144535caab2b79c6e541438c4e51e3a3e6030b.jpg

20220406144535caab2b79c6e541438c4e51e3a3e6030b.jpg

573 ms

20220406144535510b73c6adc64d3682c82c3c928ba892.jpg

20220406144535510b73c6adc64d3682c82c3c928ba892.jpg

556 ms

p20240328160248d25a1.jpg

p20240328160248d25a1.jpg

575 ms

p202403281605431fcfe.jpg

p202403281605431fcfe.jpg

647 ms

p2024032816041294ad4.jpg

p2024032816041294ad4.jpg

685 ms

p2024032816050272898.jpg

p2024032816050272898.jpg

755 ms

acetate-square-sunglassesd1a8f.jpg

acetate-square-sunglassesd1a8f.jpg

850 ms

acetate-on-sunglasses69848.jpg

acetate-on-sunglasses69848.jpg

884 ms

black-acetate-sunglassesd0b4a.jpg

black-acetate-sunglassesd0b4a.jpg

824 ms

acetate-frame-sunglasses01b09.jpg

acetate-frame-sunglasses01b09.jpg

934 ms

transparent-acetate-glassesd1f0a.jpg

transparent-acetate-glassesd1f0a.jpg

1014 ms

acetate-polarized-sunglasses23f13.jpg

acetate-polarized-sunglasses23f13.jpg

986 ms

men-s-square-acetate-sunglasses4c807.jpg

men-s-square-acetate-sunglasses4c807.jpg

1042 ms

acetate-frame-glassesb8366.jpg

acetate-frame-glassesb8366.jpg

1086 ms

s

s

1078 ms

Roboto-Medium.ttf

Roboto-Medium.ttf

56 ms

Times%20Roman.ttf

Times%20Roman.ttf

39 ms

Lato-Regular_0.ttf

Lato-Regular_0.ttf

56 ms

Lato-Bold_0.ttf

Lato-Bold_0.ttf

56 ms

Times%20Bold.ttf

Times%20Bold.ttf

56 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1082 ms

app.css

app.css

1030 ms

chunk-vendors.js

chunk-vendors.js

1006 ms

app.js

app.js

1034 ms

wechat.jpg

wechat.jpg

1152 ms

wmkc-ico24.webp

wmkc-ico24.webp

31 ms

gic-fuwu.png

gic-fuwu.png

94 ms

serhead.png

serhead.png

95 ms

back.png

back.png

95 ms

img.png

img.png

95 ms

fj.png

fj.png

96 ms

send.png

send.png

164 ms

Accessibility Review

fcoptics.com accessibility score

93

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

fcoptics.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

fcoptics.com SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fcoptics.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 Fcoptics.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.

Social Sharing Optimization

fcoptics.com

Open Graph data is detected on the main page of FC OPTICS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: