Tools & Wizards About Us
delc.ru screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

delc.ru

DELC - Видеонаблюдение, пожарная и охранная сигнализация, СКУД

Page Load Speed

6.8 sec in total

First Response

392 ms

Resources Loaded

6 sec

Page Rendered

493 ms

delc.ru screenshot

About Website

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

Продажа систем безопасности: видеонаблюдение, пожарная и охранная сигнализация, домофоны и другие категории товаров

Visit delc.ru

Key Findings

We analyzed Delc.ru page load time and found that the first response time was 392 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

delc.ru performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value4,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.479

18/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

delc.ru

392 ms

delc.ru

840 ms

jquery-2.1.1.min.js

146 ms

bootstrap.min.css

287 ms

bootstrap.min.js

399 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 85% of them (100 requests) were addressed to the original Delc.ru, 6% (7 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Delc.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (66%)

Content Size

4.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delc.ru main page is 4.7 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. 60% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 161.1 kB

  • Original 178.4 kB
  • After minification 143.3 kB
  • After compression 17.3 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 35.1 kB, which is 20% 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 161.1 kB or 90% of the original size.

Image Optimization

-67%

Potential reduce by 2.9 MB

  • Original 4.3 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. Obviously, DELC needs image optimization as it can save up to 2.9 MB or 67% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 3.1 kB

  • Original 114.3 kB
  • After minification 114.3 kB
  • After compression 111.2 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

-1%

Potential reduce by 244 B

  • Original 41.3 kB
  • After minification 41.3 kB
  • After compression 41.0 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. Delc.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (12%)

Requests Now

107

After Optimization

94

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DELC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delc.ru

delc.ru

392 ms

delc.ru

delc.ru

840 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

146 ms

bootstrap.min.css

bootstrap.min.css

287 ms

bootstrap.min.js

bootstrap.min.js

399 ms

font-awesome.min.css

font-awesome.min.css

398 ms

pe-icon-7-stroke.min.css

pe-icon-7-stroke.min.css

397 ms

owl.carousel.min.css

owl.carousel.min.css

405 ms

stylesheet.css

stylesheet.css

407 ms

common.js

common.js

424 ms

owl.carousel.min.js

owl.carousel.min.js

533 ms

js

js

62 ms

iTsCYwLF5l

iTsCYwLF5l

347 ms

css

css

31 ms

delc-blue1.png

delc-blue1.png

624 ms

osnovoils-1.png

osnovoils-1.png

2886 ms

banner_nst_main.png

banner_nst_main.png

2133 ms

delta_banner1.png

delta_banner1.png

1479 ms

osnovo_banner_news.png

osnovo_banner_news.png

770 ms

swing_gates1.jpg

swing_gates1.jpg

929 ms

iektitan.png

iektitan.png

1156 ms

osnovobannerulichnyjkommutator1.png

osnovobannerulichnyjkommutator1.png

1300 ms

teko-vacation4.jpg

teko-vacation4.jpg

1065 ms

supr3.jpg

supr3.jpg

1460 ms

iekchestnyevatty.png

iekchestnyevatty.png

1557 ms

b2530rzq-lp.jpg

b2530rzq-lp.jpg

1436 ms

teko-school1.jpg

teko-school1.jpg

1572 ms

sonar-mini.jpg

sonar-mini.jpg

1725 ms

iekarmat.png

iekarmat.png

2827 ms

650dd38b-1966-11ee-98ab-00155d008209_5234d023-1bed-11ee-98ab-00155d008209-200x200.jpeg

650dd38b-1966-11ee-98ab-00155d008209_5234d023-1bed-11ee-98ab-00155d008209-200x200.jpeg

1693 ms

e7d585b7-ef7a-11eb-8f80-00155d008209_013d5b99-ef81-11eb-8f80-00155d008209-200x200.jpeg

e7d585b7-ef7a-11eb-8f80-00155d008209_013d5b99-ef81-11eb-8f80-00155d008209-200x200.jpeg

1706 ms

92b6c387-5278-11e3-a4ed-00155d00651b_4a05a134-ecaa-11e8-a2f5-00155d00651b-200x200.jpeg

92b6c387-5278-11e3-a4ed-00155d00651b_4a05a134-ecaa-11e8-a2f5-00155d00651b-200x200.jpeg

1830 ms

774ed0b8-eb1e-11ed-98ab-00155d008209_774ed0bb-eb1e-11ed-98ab-00155d008209-200x200.jpeg

774ed0b8-eb1e-11ed-98ab-00155d008209_774ed0bb-eb1e-11ed-98ab-00155d008209-200x200.jpeg

1840 ms

2e66011c-e06b-11e9-8720-00155d00651b_e740d8a8-e4e6-11e9-8720-00155d00651b-250x250.jpeg

2e66011c-e06b-11e9-8720-00155d00651b_e740d8a8-e4e6-11e9-8720-00155d00651b-250x250.jpeg

1859 ms

bc1f513b-cfa2-11e9-8720-00155d00651b_bc1f5152-cfa2-11e9-8720-00155d00651b-250x250.jpeg

bc1f513b-cfa2-11e9-8720-00155d00651b_bc1f5152-cfa2-11e9-8720-00155d00651b-250x250.jpeg

1966 ms

f93210ec-1b0a-11ee-98ab-00155d008209_e66b93c9-2bac-11ee-98ab-00155d008209-250x250.jpeg

f93210ec-1b0a-11ee-98ab-00155d008209_e66b93c9-2bac-11ee-98ab-00155d008209-250x250.jpeg

1972 ms

3fe6c2ec-1afd-11ee-98ab-00155d008209_e66b93d8-2bac-11ee-98ab-00155d008209-250x250.jpeg

3fe6c2ec-1afd-11ee-98ab-00155d008209_e66b93d8-2bac-11ee-98ab-00155d008209-250x250.jpeg

1993 ms

project4.png

project4.png

2680 ms

341b4fb9-8847-11e5-a881-00155d00651b_341b4fbf-8847-11e5-a881-00155d00651b-200x200.jpeg

341b4fb9-8847-11e5-a881-00155d00651b_341b4fbf-8847-11e5-a881-00155d00651b-200x200.jpeg

2107 ms

51b67108-30d4-11ec-a5b5-00155d008209_51b6710f-30d4-11ec-a5b5-00155d008209-200x200.jpeg

51b67108-30d4-11ec-a5b5-00155d008209_51b6710f-30d4-11ec-a5b5-00155d008209-200x200.jpeg

2128 ms

b9e5381a-f40a-11ea-b975-00155d00651b_759a5529-2a2c-11eb-a965-00155d00651b-200x200.jpeg

b9e5381a-f40a-11ea-b975-00155d00651b_759a5529-2a2c-11eb-a965-00155d00651b-200x200.jpeg

2241 ms

a47f95be-7b9a-11ed-98ab-00155d008209_288197c5-f86a-11ed-98ab-00155d008209-200x200.jpeg

a47f95be-7b9a-11ed-98ab-00155d008209_288197c5-f86a-11ed-98ab-00155d008209-200x200.jpeg

2262 ms

banner-micro1.png

banner-micro1.png

2266 ms

registratori.png

registratori.png

2375 ms

electrica-banner.png

electrica-banner.png

2397 ms

185ee30f-14ce-11e1-8058-00155d006502_08944149-e698-11e1-87a3-00155d006502-200x200.jpeg

185ee30f-14ce-11e1-8058-00155d006502_08944149-e698-11e1-87a3-00155d006502-200x200.jpeg

2402 ms

185ee30c-14ce-11e1-8058-00155d006502_08944148-e698-11e1-87a3-00155d006502-200x200.jpeg

185ee30c-14ce-11e1-8058-00155d006502_08944148-e698-11e1-87a3-00155d006502-200x200.jpeg

2508 ms

d4a7af7c-14cd-11e1-8058-00155d006502_e21cf560-e208-11e1-87a3-00155d006502-200x200.jpeg

d4a7af7c-14cd-11e1-8058-00155d006502_e21cf560-e208-11e1-87a3-00155d006502-200x200.jpeg

2531 ms

32b9b64a-14ce-11e1-8058-00155d006502_3cfc59e2-e75c-11e1-9b4b-00155d006502-200x200.png

32b9b64a-14ce-11e1-8058-00155d006502_3cfc59e2-e75c-11e1-9b4b-00155d006502-200x200.png

2538 ms

tag.js

tag.js

963 ms

60009cc7-339c-11e2-ac44-00155d006502_60009cc9-339c-11e2-ac44-00155d006502-200x200.jpeg

60009cc7-339c-11e2-ac44-00155d006502_60009cc9-339c-11e2-ac44-00155d006502-200x200.jpeg

2609 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw9aX8.ttf

48 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw9aX8.ttf

288 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw9aX8.ttf

289 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw9aX8.ttf

291 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w9aX8.ttf

289 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w9aX8.ttf

290 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w9aX8.ttf

290 ms

iTsCYwLF5l

iTsCYwLF5l

200 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2179 ms

Pe-icon-7-stroke.woff

Pe-icon-7-stroke.woff

2055 ms

iTsCYwLF5l

iTsCYwLF5l

621 ms

d4a7af49-14cd-11e1-8058-00155d006502_e21cf553-e208-11e1-87a3-00155d006502-200x200.jpeg

d4a7af49-14cd-11e1-8058-00155d006502_e21cf553-e208-11e1-87a3-00155d006502-200x200.jpeg

1850 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

215 ms

advert.gif

advert.gif

697 ms

79699667-0af7-11e7-8a18-00155d00651b_7969966a-0af7-11e7-8a18-00155d00651b-200x200.jpeg

79699667-0af7-11e7-8a18-00155d00651b_7969966a-0af7-11e7-8a18-00155d00651b-200x200.jpeg

1762 ms

00c1f31e-14ce-11e1-8058-00155d006502_0ef94f94-e506-11e1-87a3-00155d006502-200x200.jpeg

00c1f31e-14ce-11e1-8058-00155d006502_0ef94f94-e506-11e1-87a3-00155d006502-200x200.jpeg

1758 ms

rtrg

rtrg

123 ms

ognetushitel-banner.png

ognetushitel-banner.png

1767 ms

datchik-banner.png

datchik-banner.png

1510 ms

gsm-banner.png

gsm-banner.png

1627 ms

aea5bdfa-b126-11ea-b975-00155d00651b_fa9ca29e-b21a-11ea-b975-00155d00651b-200x200.jpeg

aea5bdfa-b126-11ea-b975-00155d00651b_fa9ca29e-b21a-11ea-b975-00155d00651b-200x200.jpeg

1478 ms

aea5bdf7-b126-11ea-b975-00155d00651b_0c3f5a1a-b208-11ea-b975-00155d00651b-200x200.jpeg

aea5bdf7-b126-11ea-b975-00155d00651b_0c3f5a1a-b208-11ea-b975-00155d00651b-200x200.jpeg

1460 ms

a2b69b5a-358b-11ec-a5b5-00155d008209_1a1ec205-38a8-11ec-a5b5-00155d008209-200x200.jpeg

a2b69b5a-358b-11ec-a5b5-00155d008209_1a1ec205-38a8-11ec-a5b5-00155d008209-200x200.jpeg

1474 ms

f93210ef-1b0a-11ee-98ab-00155d008209_4117fe38-2c62-11ee-98ab-00155d008209-200x200.jpeg

f93210ef-1b0a-11ee-98ab-00155d008209_4117fe38-2c62-11ee-98ab-00155d008209-200x200.jpeg

1389 ms

df26f244-1987-11ee-98ab-00155d008209_df26f246-1987-11ee-98ab-00155d008209-200x200.jpeg

df26f244-1987-11ee-98ab-00155d008209_df26f246-1987-11ee-98ab-00155d008209-200x200.jpeg

1384 ms

c7360ba1-14cd-11e1-8058-00155d006502_d1885c7a-dd2c-11e1-87a3-00155d006502-200x200.jpeg

c7360ba1-14cd-11e1-8058-00155d006502_d1885c7a-dd2c-11e1-87a3-00155d006502-200x200.jpeg

1425 ms

sync_cookie_image_decide

sync_cookie_image_decide

158 ms

ec14f114-5089-11e5-9191-00155d00651b_ab6fe088-53d5-11e6-a4b9-00155d00651b-200x200.jpeg

ec14f114-5089-11e5-9191-00155d00651b_ab6fe088-53d5-11e6-a4b9-00155d00651b-200x200.jpeg

1350 ms

c7360b8e-14cd-11e1-8058-00155d006502_d1885c73-dd2c-11e1-87a3-00155d006502-200x200.jpeg

c7360b8e-14cd-11e1-8058-00155d006502_d1885c73-dd2c-11e1-87a3-00155d006502-200x200.jpeg

1361 ms

setguard.png

setguard.png

1623 ms

optimus-130x100.jpg

optimus-130x100.jpg

1265 ms

cmo-130x100.png

cmo-130x100.png

1260 ms

beward_logo_small-130x100.jpg

beward_logo_small-130x100.jpg

1293 ms

1

1

147 ms

came-130x100.png

came-130x100.png

1206 ms

teko_logotype-2021_-130x100.png

teko_logotype-2021_-130x100.png

1207 ms

doorhan-130x100.png

doorhan-130x100.png

1231 ms

altonika-130x100.png

altonika-130x100.png

1121 ms

hikvision_logo-130x100.png

hikvision_logo-130x100.png

1157 ms

commax-130x100.jpg

commax-130x100.jpg

1180 ms

macroscop-130x100.png

macroscop-130x100.png

1092 ms

67f7afb991a90bb3a66b3f98cc049156-130x100.png

67f7afb991a90bb3a66b3f98cc049156-130x100.png

1100 ms

delta-130x100.png

delta-130x100.png

1096 ms

promrukav-130x100.jpg

promrukav-130x100.jpg

1044 ms

payment-icon1.png

payment-icon1.png

1050 ms

payment-icon3.png

payment-icon3.png

1063 ms

payment-icon4.png

payment-icon4.png

977 ms

banner-micro-bg.jpg

banner-micro-bg.jpg

953 ms

e7d585b7-ef7a-11eb-8f80-00155d008209_b604e84d-65b1-11ed-a60e-00155d008209-228x228.jpeg

e7d585b7-ef7a-11eb-8f80-00155d008209_b604e84d-65b1-11ed-a60e-00155d008209-228x228.jpeg

139 ms

92b6c387-5278-11e3-a4ed-00155d00651b_8bff5b02-cf42-11eb-a4ed-00155d008209-228x228.png

92b6c387-5278-11e3-a4ed-00155d00651b_8bff5b02-cf42-11eb-a4ed-00155d008209-228x228.png

269 ms

774ed0b8-eb1e-11ed-98ab-00155d008209_cc1bf8c3-1988-11ee-98ab-00155d008209-228x228.jpeg

774ed0b8-eb1e-11ed-98ab-00155d008209_cc1bf8c3-1988-11ee-98ab-00155d008209-228x228.jpeg

137 ms

2e66011c-e06b-11e9-8720-00155d00651b_9525e6bf-8ae6-11eb-afef-00155d008209-228x228.jpeg

2e66011c-e06b-11e9-8720-00155d00651b_9525e6bf-8ae6-11eb-afef-00155d008209-228x228.jpeg

141 ms

f93210ec-1b0a-11ee-98ab-00155d008209_e66b93ca-2bac-11ee-98ab-00155d008209-228x228.jpeg

f93210ec-1b0a-11ee-98ab-00155d008209_e66b93ca-2bac-11ee-98ab-00155d008209-228x228.jpeg

138 ms

341b4fb9-8847-11e5-a881-00155d00651b_71b8643c-8e8e-11ee-874a-00155d008209-228x228.jpeg

341b4fb9-8847-11e5-a881-00155d00651b_71b8643c-8e8e-11ee-874a-00155d008209-228x228.jpeg

140 ms

51b67108-30d4-11ec-a5b5-00155d008209_59d5f3d8-e58d-11ed-98ab-00155d008209-228x228.jpeg

51b67108-30d4-11ec-a5b5-00155d008209_59d5f3d8-e58d-11ed-98ab-00155d008209-228x228.jpeg

273 ms

b9e5381a-f40a-11ea-b975-00155d00651b_f22ac0c2-9364-11ee-874a-00155d008209-228x228.jpeg

b9e5381a-f40a-11ea-b975-00155d00651b_f22ac0c2-9364-11ee-874a-00155d008209-228x228.jpeg

275 ms

185ee30f-14ce-11e1-8058-00155d006502_781e37cb-d8cc-11eb-a4ed-00155d008209-228x228.jpeg

185ee30f-14ce-11e1-8058-00155d006502_781e37cb-d8cc-11eb-a4ed-00155d008209-228x228.jpeg

273 ms

185ee30c-14ce-11e1-8058-00155d006502_74ae21fb-fff9-11eb-b01b-00155d008209-228x228.jpeg

185ee30c-14ce-11e1-8058-00155d006502_74ae21fb-fff9-11eb-b01b-00155d008209-228x228.jpeg

276 ms

d4a7af7c-14cd-11e1-8058-00155d006502_7abfaee7-267f-11ec-a5b5-00155d008209-228x228.jpeg

d4a7af7c-14cd-11e1-8058-00155d006502_7abfaee7-267f-11ec-a5b5-00155d008209-228x228.jpeg

274 ms

60009cc7-339c-11e2-ac44-00155d006502_969e2d81-8b13-11eb-afef-00155d008209-228x228.jpeg

60009cc7-339c-11e2-ac44-00155d006502_969e2d81-8b13-11eb-afef-00155d008209-228x228.jpeg

402 ms

d4a7af49-14cd-11e1-8058-00155d006502_d00e715a-0ba0-11ef-874a-00155d008209-228x228.jpeg

d4a7af49-14cd-11e1-8058-00155d006502_d00e715a-0ba0-11ef-874a-00155d008209-228x228.jpeg

408 ms

aea5bdfa-b126-11ea-b975-00155d00651b_a9868f47-9bb8-11ec-a799-00155d008209-228x228.jpeg

aea5bdfa-b126-11ea-b975-00155d00651b_a9868f47-9bb8-11ec-a799-00155d008209-228x228.jpeg

406 ms

aea5bdf7-b126-11ea-b975-00155d00651b_59d5f3d6-e58d-11ed-98ab-00155d008209-228x228.jpeg

aea5bdf7-b126-11ea-b975-00155d00651b_59d5f3d6-e58d-11ed-98ab-00155d008209-228x228.jpeg

410 ms

df26f244-1987-11ee-98ab-00155d008209_5219a6e8-3112-11ee-98ab-00155d008209-228x228.jpeg

df26f244-1987-11ee-98ab-00155d008209_5219a6e8-3112-11ee-98ab-00155d008209-228x228.jpeg

407 ms

c7360ba1-14cd-11e1-8058-00155d006502_46ee495c-3830-11ee-98ab-00155d008209-228x228.jpeg

c7360ba1-14cd-11e1-8058-00155d006502_46ee495c-3830-11ee-98ab-00155d008209-228x228.jpeg

411 ms

ec14f114-5089-11e5-9191-00155d00651b_47ab7cbf-3cd7-11ee-98ab-00155d008209-228x228.jpeg

ec14f114-5089-11e5-9191-00155d00651b_47ab7cbf-3cd7-11ee-98ab-00155d008209-228x228.jpeg

535 ms

c7360b8e-14cd-11e1-8058-00155d006502_8e2d566e-400e-11ee-98ab-00155d008209-228x228.jpeg

c7360b8e-14cd-11e1-8058-00155d006502_8e2d566e-400e-11ee-98ab-00155d008209-228x228.jpeg

540 ms

Accessibility Review

delc.ru accessibility score

86

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

delc.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

delc.ru SEO score

98

Search Engine Optimization Advices

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

    UTF-8

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

delc.ru

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