--- title: "IT Deweloper Blog — website development and SEO" description: "Articles on building and promoting websites: practical breakdowns, guides and hands-on experience from IT Deweloper for business owners in Poland and the EU." url: "https://www.it-deweloper.pl/en/blog" date: "2026-10-25T06:31:05+00:00" language: "en-GB" --- [Skip to main content](#tm-main) - [ Home](https://www.it-deweloper.pl/en "IT Deweloper web studio home page") - [Contact](https://www.it-deweloper.pl/en/contact "Contact the IT Deweloper web studio") - [ +48 731 190 041](tel:+48731190041 "Phone") - [ office@it-deweloper.pl](mailto:office@it-deweloper.pl "E-mail") - [ Nowogródzka 4A, Białystok, Poland](https://maps.app.goo.gl/BNjvryytwRyv4omA7 "Address") - [ WhatsApp](https://wa.me/48731190041 "WhatsApp") - [ Telegram](https://t.me/+48731190041 "Telegram") - [Solutions](https://www.it-deweloper.pl/en/web "IT Deweloper's web development solutions") - [How we workStages of work](https://www.it-deweloper.pl/en/web/process "Website development stages and timelines") - [SEOSearch engine optimization](https://www.it-deweloper.pl/en/web/seo "SEO promotion: optimization, links, positions in Google") - [GEOWebsite promotion in AI](https://www.it-deweloper.pl/en/web/geo "GEO optimization: website promotion in ChatGPT, Gemini and Perplexity answers") - [AIArtificial intelligence on the website](https://www.it-deweloper.pl/en/web/ai) - [JoomlaWebsite management system](https://www.it-deweloper.pl/en/web/joomla "Joomla website development") - [GoogleGoogle services setup](https://www.it-deweloper.pl/en/web/google "Google services setup for your website") - [Cost](https://www.it-deweloper.pl/en/cost "Rates and cost of services") - [PricingIndicative website development prices](https://www.it-deweloper.pl/en/cost/pricing "Website development prices") - [CalculatorSelf-service online estimate](https://www.it-deweloper.pl/en/cost/calculator "Calculate your website cost online") - [BriefGet an accurate project quote](https://www.it-deweloper.pl/en/cost/brief "Fill out the website development brief") - 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[ Home](https://www.it-deweloper.pl/en "IT Deweloper web studio home page") - [Contact](https://www.it-deweloper.pl/en/contact "Contact the IT Deweloper web studio") - [ +48 731 190 041](tel:+48731190041 "Phone") - [ office@it-deweloper.pl](mailto:office@it-deweloper.pl "E-mail") - [ Nowogródzka 4A, Białystok, Poland](https://maps.app.goo.gl/BNjvryytwRyv4omA7 "Address") - [ WhatsApp](https://wa.me/48731190041 "WhatsApp") - [ Telegram](https://t.me/+48731190041 "Telegram") - [Solutions](https://www.it-deweloper.pl/en/web "IT Deweloper's web development solutions") - [How we workStages of work](https://www.it-deweloper.pl/en/web/process "Website development stages and timelines") - [SEOSearch engine optimization](https://www.it-deweloper.pl/en/web/seo "SEO promotion: optimization, links, positions in Google") - [GEOWebsite promotion in AI](https://www.it-deweloper.pl/en/web/geo "GEO optimization: website promotion in ChatGPT, Gemini and Perplexity answers") - [AIArtificial intelligence on the website](https://www.it-deweloper.pl/en/web/ai) - [JoomlaWebsite management system](https://www.it-deweloper.pl/en/web/joomla "Joomla website development") - [GoogleGoogle services setup](https://www.it-deweloper.pl/en/web/google "Google services setup for your website") - [Cost](https://www.it-deweloper.pl/en/cost "Rates and cost of services") - [PricingIndicative website development prices](https://www.it-deweloper.pl/en/cost/pricing "Website development prices") - [CalculatorSelf-service online estimate](https://www.it-deweloper.pl/en/cost/calculator "Calculate your website cost online") - [BriefGet an accurate project quote](https://www.it-deweloper.pl/en/cost/brief "Fill out the website development brief") - [Portfolio](https://www.it-deweloper.pl/en/portfolio "Portfolio and examples of our work") - [About us](https://www.it-deweloper.pl/en/about "About the founder — Victor Parhimchik") - [FAQ](https://www.it-deweloper.pl/en/faq "Frequently asked questions about website development") - [Blog](https://www.it-deweloper.pl/en/blog "Articles on website development and promotion") # IT Deweloper Blog Everything we learn at work and find worth sharing: technology and design, search and AI, security, tools, other people's mistakes and our own. Welcome to the blog of the IT Deweloper web studio. Follow us - [](https://www.facebook.com/ITdeweloper) - [](https://www.linkedin.com/company/it-deweloper) - [](https://t.me/IT_deweloper) - [](https://www.instagram.com/it_deweloper/) ![](https://www.it-deweloper.pl/images/yootheme/demo/blog-hero.svg) [ ![A database icon in a browser window, a step checklist and a question mark — a guide to first queries on GA4 data in BigQuery](https://www.it-deweloper.pl/images/blog/ga4-bigquery-first-query-cover.webp) 2026-10-17 ## How to Write Your First Query on GA4 Data in BigQuery Once Google Analytics 4 is linked to BigQuery, raw events appear in your warehouse every day: every page view, click and enquiry with all its parameters. That gives you freedom th… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=300:ga4-bigquery-first-query&catid=29&lang=en-GB) [ ![A gateway arch with an arrow in a browser window, a step checklist and a question mark — an explanation of how Google tag gateway works](https://www.it-deweloper.pl/images/blog/how-google-tag-gateway-works-cover.webp) 2026-10-17 ## How Google Tag Gateway Works and Whether to Turn It On Google tag gateway is a feature that lets you load Google tags from your own domain instead of Google’s servers. It’s often described as a way to “bypass blockers and recover all… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=299:how-google-tag-gateway-works&catid=29&lang=en-GB) [ ![A speed gauge with a needle in a browser window, a step checklist and a question mark — a guide to checking Core Web Vitals](https://www.it-deweloper.pl/images/blog/check-core-web-vitals-cover.webp) 2026-10-17 ## How to Check Your Core Web Vitals and Read the Numbers Core Web Vitals are three metrics Google uses to judge how comfortable a page is to use: how quickly the main content appears, how quickly the page responds to taps and clicks, an… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=298:check-core-web-vitals&catid=29&lang=en-GB) [ ![An envelope in a browser window, a step checklist and a question mark — a guide to setting up SPF, DKIM and DMARC for Google Workspace](https://www.it-deweloper.pl/images/blog/google-workspace-spf-dkim-dmarc-cover.webp) 2026-10-17 ## How to Set Up SPF, DKIM and DMARC for Google Workspace If emails from your domain land in spam or don’t arrive at all, the first thing to check is three DNS records: SPF, DKIM and DMARC. Since 2024, Gmail has required all senders to h… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=297:google-workspace-spf-dkim-dmarc&catid=29&lang=en-GB) [ ![A shield with a padlock in a browser window, a step checklist and a question mark — a guide to choosing reCAPTCHA and getting keys](https://www.it-deweloper.pl/images/blog/choose-recaptcha-version-cover.webp) 2026-10-17 ## How to Choose reCAPTCHA for a Form and Get the Keys reCAPTCHA protects your website forms from spam bots. During 2025, Google moved all reCAPTCHA keys to Google Cloud, so many older guides are out of date: keys are now created and… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=296:choose-recaptcha-version&catid=29&lang=en-GB) [ ![A map pin in a browser window, a step checklist and a question mark — a guide to embedding a Google map on a website](https://www.it-deweloper.pl/images/blog/embed-google-map-on-website-cover.webp) 2026-10-17 ## How to Embed a Google Map on Your Website Without an API Key A map on your Contact page helps customers see where you are and get directions straight away. You don’t need an API key or a payment card in Google Cloud for that: a simple map c… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=295:embed-google-map-on-website&catid=29&lang=en-GB) [ ![A target with an arrow in a browser window, a step checklist and a question mark — a guide to checking Google Ads conversions](https://www.it-deweloper.pl/images/blog/check-google-ads-conversions-cover.webp) 2026-10-17 ## How to Check That Google Ads Conversions Are Tracked Google Ads learns from conversions: enquiries, calls, purchases. If they’re counted wrongly, the system optimises your campaigns blind — spending budget on clicks that bring nothi… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=294:check-google-ads-conversions&catid=29&lang=en-GB) [ ![Pie and bar charts in a browser window, a step checklist and a question mark — a guide to building a Data Studio report](https://www.it-deweloper.pl/images/blog/data-studio-first-report-cover.webp) 2026-10-17 ## How to Build a Data Studio Report from Analytics and GSC Data Studio is Google’s free tool for reports and dashboards. In April 2026 Google brought back this name; for several years before that it was called Looker Studio. A report conn… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=293:data-studio-first-report&catid=29&lang=en-GB) [ ![A cookie icon in a browser window, a step checklist and a question mark — a guide to checking Google Consent Mode](https://www.it-deweloper.pl/images/blog/check-consent-mode-v2-cover.webp) 2026-10-17 ## How to Check If Consent Mode v2 Works on Your Website Google Consent Mode v2 passes the choice a visitor made in your cookie banner to Google Analytics and Google Ads. A banner can look perfect and still pass nothing on — and then yo… ](https://www.it-deweloper.pl/index.php?option=com_content&view=article&id=292:check-consent-mode-v2&catid=29&lang=en-GB) --- ## Build your website Find out what your website will cost [ Pricing ](https://www.it-deweloper.pl/index.php?Itemid=262&lang=en-GB) ![](https://www.it-deweloper.pl/media/yootheme/cache/3c/background-square-01-3c44c74f.png?src=images/yootheme/demo/background-square-01.png&thumbnail=900,900,&hash=72c31958) ![](https://www.it-deweloper.pl/media/yootheme/cache/cb/background-square-03-cbb341a0.png?src=images/yootheme/demo/background-square-03.png&thumbnail=600,600,&hash=6e9dde93) ### [ Contact ](https://www.it-deweloper.pl/index.php?Itemid=277&lang=en-GB) Web studio IT Deweloper website development, Poland. 5423493188 SEOAIAdsWebSMM ### Address Nowogródzka 4A Białystok, 15-490, PL [ ### Phone +48 731 190 041 ](tel:+48731190041) [ ### Email This email address is being protected from spambots. You need JavaScript enabled to view it. ](mailto:office@it-deweloper.pl) [ ### WhatsApp ](https://wa.me/48731190041) [ ### Telegram ](https://t.me/+48731190041) Opening hours: - Monday 0900–1800 - Tuesday 0900–1800 - Wednesday 0900–1800 - Thursday 0900–1800 - Friday 0900–1800 - Saturday 0900–1600 - Sunday closed ![IT Deweloper](https://www.it-deweloper.pl/images/Logo.webp) Web development can be interesting! Our social media, with content about building websites. - [](https://www.facebook.com/ITdeweloper) - [](https://www.linkedin.com/company/it-deweloper) - [](https://t.me/IT_deweloper) - [](https://www.instagram.com/it_deweloper/) **it-deweloper** — a web development studio. We design and build modern websites and online stores. © [it-deweloper](https://it-deweloper.pl/en). All rights reserved. [Privacy Policy](https://www.it-deweloper.pl/index.php?Itemid=313&lang=en)