Tools & Wizards About Us
optica-expo.ru screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

optica-expo.ru

Московская международная оптическая выставка

Page Load Speed

6.2 sec in total

First Response

529 ms

Resources Loaded

5.2 sec

Page Rendered

436 ms

optica-expo.ru screenshot

About Website

Click here to check amazing Optica Expo content for Russia. Otherwise, check out these important facts you probably never knew about optica-expo.ru

Единственное отечественное B2B-мероприятие, посвящённое оптике и очковой моде

Visit optica-expo.ru

Key Findings

We analyzed Optica-expo.ru page load time and found that the first response time was 529 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

optica-expo.ru performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

optica-expo.ru

529 ms

optica-expo.ru

542 ms

www.optica-expo.ru

929 ms

286 ms

js

62 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 87% of them (53 requests) were addressed to the original Optica-expo.ru, 5% (3 requests) were made to Mc.yandex.com and 3% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Crocus-expo.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 912.4 kB (33%)

Content Size

2.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optica-expo.ru main page is 2.8 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.7 kB

  • Original 55.0 kB
  • After minification 38.7 kB
  • After compression 10.2 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 16.3 kB, which is 30% 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 44.7 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 56.1 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. Optica Expo images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 807.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 401.6 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 807.3 kB or 67% of the original size.

CSS Optimization

-6%

Potential reduce by 4.3 kB

  • Original 67.7 kB
  • After minification 67.7 kB
  • After compression 63.4 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. Optica-expo.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (24%)

Requests Now

51

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica Expo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

optica-expo.ru

optica-expo.ru

529 ms

optica-expo.ru

optica-expo.ru

542 ms

www.optica-expo.ru

www.optica-expo.ru

929 ms

286 ms

js

js

62 ms

tag.js

tag.js

860 ms

ui.design-tokens.min.css

ui.design-tokens.min.css

138 ms

page_634f117a0125f82384df3e6bc0c8a0be_v1.css

page_634f117a0125f82384df3e6bc0c8a0be_v1.css

270 ms

template_db73d99048c498b48dfd0ab336723457_v1.css

template_db73d99048c498b48dfd0ab336723457_v1.css

675 ms

core.min.js

core.min.js

1021 ms

kernel_main_v1.js

kernel_main_v1.js

795 ms

dexie3.bundle.min.js

dexie3.bundle.min.js

664 ms

core_ls.min.js

core_ls.min.js

404 ms

core_frame_cache.min.js

core_frame_cache.min.js

403 ms

protobuf.min.js

protobuf.min.js

672 ms

model.min.js

model.min.js

541 ms

rest.client.min.js

rest.client.min.js

695 ms

pull.client.min.js

pull.client.min.js

798 ms

template_0d2e9ddf6e852b62dd49feab2584e51b_v1.js

template_0d2e9ddf6e852b62dd49feab2584e51b_v1.js

1217 ms

ba.js

ba.js

272 ms

crocus.svg

crocus.svg

1692 ms

logo_miof.png

logo_miof.png

528 ms

30_tg.png

30_tg.png

134 ms

bg_head202404.jpg

bg_head202404.jpg

139 ms

icon_1.png

icon_1.png

137 ms

icon_2.png

icon_2.png

136 ms

icon_3.png

icon_3.png

135 ms

icon_4.png

icon_4.png

265 ms

icon_5.png

icon_5.png

269 ms

bw12.jpg

bw12.jpg

541 ms

s1.jpg

s1.jpg

799 ms

s2.jpg

s2.jpg

678 ms

6t26h4vgt67actklat2b7dv0pghgs8mn.png

6t26h4vgt67actklat2b7dv0pghgs8mn.png

395 ms

170okohdmv8qiwatkccmh55ffdanqxf1.png

170okohdmv8qiwatkccmh55ffdanqxf1.png

399 ms

jeb9l844548r2jcnfa6zsmvirffzkkzl.png

jeb9l844548r2jcnfa6zsmvirffzkkzl.png

528 ms

crocus-expo_rus.png

crocus-expo_rus.png

532 ms

MAG.png

MAG.png

663 ms

luding.ru.png

luding.ru.png

659 ms

www.broadexpo.com.jpg

www.broadexpo.com.jpg

664 ms

taneva.com.tr.jpg

taneva.com.tr.jpg

672 ms

yycexpo.com.png

yycexpo.com.png

791 ms

OMR.png

OMR.png

797 ms

weboptica.gif

weboptica.gif

797 ms

vestnik.png

vestnik.png

802 ms

logo_mag_veko.jpg

logo_mag_veko.jpg

809 ms

logo_ochki.png

logo_ochki.png

922 ms

logoOchkinet.jpg

logoOchkinet.jpg

934 ms

medelement.com.v3.png

medelement.com.v3.png

931 ms

www.imopticas.com.png

www.imopticas.com.png

929 ms

medtourbridges.com.png

medtourbridges.com.png

943 ms

biv.png

biv.png

940 ms

telegram_60.png

telegram_60.png

1052 ms

FuturaPT-Book.woff

FuturaPT-Book.woff

1028 ms

FuturaPT-Medium.woff

FuturaPT-Medium.woff

998 ms

FuturaPT-Light.woff

FuturaPT-Light.woff

1011 ms

FuturaPT-Bold.woff

FuturaPT-Bold.woff

1010 ms

FuturaPT-Heavy.woff

FuturaPT-Heavy.woff

1010 ms

advert.gif

advert.gif

503 ms

bx_stat

bx_stat

181 ms

sync_cookie_image_decide

sync_cookie_image_decide

145 ms

1

1

154 ms

Accessibility Review

optica-expo.ru accessibility score

83

Accessibility Issues

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

Image elements do not have [alt] attributes

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

optica-expo.ru 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

SEO Factors

optica-expo.ru SEO score

81

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optica-expo.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Optica-expo.ru main page’s claimed encoding is windows-1251. 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.

Social Sharing Optimization

optica-expo.ru

Open Graph description is not detected on the main page of Optica Expo. 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: