Tools & Wizards About Us
ld.ru screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ld.ru

Оборудование для лабораторий ИФА, ПЦР, шприцы дозаторы, амплификатор, анализатор газов крови, биохимический анализатор.

Page Load Speed

4.3 sec in total

First Response

525 ms

Resources Loaded

3.6 sec

Page Rendered

209 ms

ld.ru screenshot

About Website

Click here to check amazing Ld content for Russia. Otherwise, check out these important facts you probably never knew about ld.ru

ООО «Лабораторная Диагностика» осуществляет поставки оборудования и реагентов для лабораторий ИФА, ПЦР, в том числе шприцов дозаторов, амплификаторов, биохимических анализаторов и газов крови.

Visit ld.ru

Key Findings

We analyzed Ld.ru page load time and found that the first response time was 525 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ld.ru performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

ld.ru

525 ms

www.ld.ru

939 ms

defstyle.css

241 ms

jquery-1.11.0.min.js

370 ms

cart.js

381 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Ld.ru, 8% (3 requests) were made to Top-fwz1.mail.ru and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (939 ms) belongs to the original domain Ld.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.9 kB (25%)

Content Size

317.7 kB

After Optimization

236.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ld.ru main page is 317.7 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. 30% of websites need less resources to load. Images take 126.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 71.4 kB

  • Original 95.0 kB
  • After minification 93.8 kB
  • After compression 23.6 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 71.4 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 6.8 kB

  • Original 126.1 kB
  • After minification 119.3 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. Ld images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.3 kB

  • Original 93.8 kB
  • After minification 93.8 kB
  • After compression 91.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-17%

Potential reduce by 474 B

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 2.3 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. Ld.ru needs all CSS files to be minified and compressed as it can save up to 474 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (33%)

Requests Now

36

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ld.ru

ld.ru

525 ms

www.ld.ru

www.ld.ru

939 ms

defstyle.css

defstyle.css

241 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

370 ms

cart.js

cart.js

381 ms

js

js

63 ms

ld.png

ld.png

126 ms

ld-n.png

ld-n.png

127 ms

ld-b.png

ld-b.png

141 ms

s.gif

s.gif

144 ms

covid19-micro.jpg

covid19-micro.jpg

249 ms

HLA-120.jpg

HLA-120.jpg

252 ms

multiplex-120.jpg

multiplex-120.jpg

394 ms

pcr.jpg

pcr.jpg

270 ms

macsquant-120.jpg

macsquant-120.jpg

373 ms

elisa-120.jpg

elisa-120.jpg

372 ms

omnilog-120.jpg

omnilog-120.jpg

375 ms

co2incubators-120.jpg

co2incubators-120.jpg

387 ms

acl-120.jpg

acl-120.jpg

396 ms

indiko-120.jpg

indiko-120.jpg

495 ms

reproductive-120.jpg

reproductive-120.jpg

497 ms

pipettes-120.jpg

pipettes-120.jpg

499 ms

freezers-120.jpg

freezers-120.jpg

520 ms

centrifuges-120a.jpg

centrifuges-120a.jpg

521 ms

laminars-120a.jpg

laminars-120a.jpg

522 ms

nanophotometer-pearl-de-120.jpg

nanophotometer-pearl-de-120.jpg

618 ms

block-left.png

block-left.png

619 ms

twitter.gif

twitter.gif

622 ms

block-right.png

block-right.png

645 ms

search.png

search.png

647 ms

store.png

store.png

649 ms

ld-logo.png

ld-logo.png

741 ms

watch.js

watch.js

0 ms

code.js

code.js

880 ms

top100.js

top100.js

898 ms

s3.png

s3.png

687 ms

sync-loader.js

sync-loader.js

895 ms

counter

counter

126 ms

dyn-goal-config.js

dyn-goal-config.js

252 ms

Accessibility Review

ld.ru accessibility score

66

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

ld.ru best practices score

67

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

ld.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ld.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Ld.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

ld.ru

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