Tools & Wizards About Us
sds.spb.ru screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sds.spb.ru

Дезинфекция в СПб, дератизация и дезинфекция, дезинсекция. Уничтожение клопов, тараканов, крыс

Page Load Speed

3.2 sec in total

First Response

459 ms

Resources Loaded

2.6 sec

Page Rendered

164 ms

sds.spb.ru screenshot

About Website

Visit sds.spb.ru now to see the best up-to-date Sds Spb content for Russia and also check out these interesting facts you probably never knew about sds.spb.ru

Дезинфекция, дезинсекция, дератизация и дезинфекция в Санкт-Петербурге. Уничтожение тараканов, клопов и крыс

Visit sds.spb.ru

Key Findings

We analyzed Sds.spb.ru page load time and found that the first response time was 459 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sds.spb.ru performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

dezinfekciya-spb.ru

459 ms

style.css

240 ms

jquery.js

468 ms

ie.js

243 ms

highslide-with-gallery.js

481 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sds.spb.ru, 5% (2 requests) were made to Yastatic.net and 5% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (674 ms) relates to the external source Dezinfekciya-spb.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.6 kB (36%)

Content Size

713.8 kB

After Optimization

458.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sds.spb.ru main page is 713.8 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 350.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 38.3 kB

  • Original 47.9 kB
  • After minification 47.0 kB
  • After compression 9.6 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 38.3 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 5.5 kB

  • Original 350.6 kB
  • After minification 345.1 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. Sds Spb images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 156.6 kB

  • Original 246.6 kB
  • After minification 246.2 kB
  • After compression 90.0 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 156.6 kB or 63% of the original size.

CSS Optimization

-80%

Potential reduce by 55.3 kB

  • Original 68.7 kB
  • After minification 67.7 kB
  • After compression 13.5 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. Sds.spb.ru needs all CSS files to be minified and compressed as it can save up to 55.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (47%)

Requests Now

36

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sds Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dezinfekciya-spb.ru

dezinfekciya-spb.ru

459 ms

style.css

style.css

240 ms

jquery.js

jquery.js

468 ms

ie.js

ie.js

243 ms

highslide-with-gallery.js

highslide-with-gallery.js

481 ms

callme.css

callme.css

242 ms

jquery.min.js

jquery.min.js

598 ms

jquery.storage.js

jquery.storage.js

359 ms

callme.js

callme.js

358 ms

highslide.css

highslide.css

483 ms

style_r.css

style_r.css

484 ms

for-mob.js

for-mob.js

483 ms

share.js

share.js

500 ms

css

css

38 ms

dezinfekciya-spb.ru

dezinfekciya-spb.ru

143 ms

callme.gif

callme.gif

125 ms

callme.png

callme.png

123 ms

header.jpg

header.jpg

124 ms

gerb.png

gerb.png

120 ms

dez1.png

dez1.png

121 ms

dez2.png

dez2.png

118 ms

dez3.png

dez3.png

235 ms

dez4.png

dez4.png

240 ms

offer.png

offer.png

241 ms

fam.png

fam.png

599 ms

b_m.png

b_m.png

242 ms

border.png

border.png

242 ms

b_h1.png

b_h1.png

352 ms

li.png

li.png

360 ms

img0.jpg

img0.jpg

358 ms

img1.jpg

img1.jpg

360 ms

img2.jpg

img2.jpg

361 ms

img3.jpg

img3.jpg

468 ms

footer.png

footer.png

434 ms

century_gothic.ttf

century_gothic.ttf

674 ms

hit

hit

280 ms

b-share-icon.png

b-share-icon.png

141 ms

watch.js

watch.js

0 ms

dezinfekciya-spb.ru

dezinfekciya-spb.ru

365 ms

hit

hit

559 ms

rounded-white.png

rounded-white.png

121 ms

zoomout.cur

zoomout.cur

123 ms

loader.white.gif

loader.white.gif

121 ms

Accessibility Review

sds.spb.ru accessibility score

71

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.

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

Image elements do not have [alt] attributes

Best Practices

sds.spb.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

sds.spb.ru SEO score

90

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

    N/A

  • Encoding

    WINDOWS-1251

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

sds.spb.ru

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